Double Star Calculator - Results


STF 2486 AB - Astrometric and kinematic properties
Gaia Source ID - Star A          : 2132788541955849984     Simbad
Gaia Source ID - Star B          : 2132788541955849216     Simbad
Observation Epoch : J2025.491 / 2025-06-29 Angular Separation : 7.015 ± 0.0002 arcsec Position Angle : 202.79 ± 0.0020 degree
Star A/B Epoch : J2016.000 / J2016.000 Angular Separation : 7.188 < 0.0001 arcsec Position Angle : 204.26 ± 0.0001 degree Projected Separation : 182 au Spatial Separation : 370 ± 2464 au Parallax Significance : 0.11 σ 3D Space Velocity Angle : 2.07 ± 0.03 degree ΔProper Motion Angle : 2.30 ± 0.00 degree ΔTotal Proper Motion : 1.13 ± 0.03 mas/yr ΔTangential Velocity : 0.14 ± 0.04 km/s ΔRadial Velocity : 0.73 ± 0.30 km/s ΔSpeed (scalar) : 0.47 ± 0.15 km/s ΔRelative Velocity (3D) : 3.25 ± 0.07 km/s

Aladin Lite Sky Atlas



Star A - Stellar Data
Gaia Source ID                   : 2132788541955849984           VizieR
Epoch : J2016.000 Right Ascension (RA) : 19h 12m 4.68s Declination (Dec) : 49° 51' 30.63" Distance : 25.26 ± 0.01 pc Distance : 82.40 ± 0.03 ly Magnitude (G-band) : 6.38 mag Absolute Magnitude : 4.37 ± <0.01 mag Stellar Extinction : 0.00 ± <0.01 mag Spectral Type (BP/RP) : G Bolometric correction : -0.10 mag Luminosity : 1.55 + 0.00 / − 0.00 L☉ Log(Luminosity) : 0.19132 Effective temperature (Teff) : 5675.31 + 0.74 / - 0.69 K Log(Teff) : 3.75399 Mass estimation : 1.10 M☉ RUWE : 0.99 Position Angle of Proper Motion : 341.27 ± 0.00 degree Total Proper Motion : 655.78 ± 0.02 mas/yr Tangential Velocity : 78.54 ± 0.03 km/s Radial Velocity (Gaia) : -41.08 ± 0.18 km/s Space Velocity : 88.64 ± 0.09 km/s

Star A - Selected astrophysical parameters
DSC-Combmod binary star          :       1.00
DSC-Specmod binary star          :       1.00
Radius from GSP-Phot Aeneas      :       1.19  ±   0.00          R☉
Spectral type from ESP-ELS       :          G
Radius of the star from FLAME    :       1.19  ±   0.02          R☉
Bolometric correction            :       0.07                    mag
Luminosity of the star (FLAME)   :       1.32  ±   0.01          L☉
Mass of the star from FLAME      :       0.94  ±   0.04          M☉
FLAME quality indicators         :         00
  Quality                        :       OK
  Source                         :       Parallax used
Evolutionary stage from FLAME    :        386      Main Sequence (late)

Star A - Double Star Quality Metrics
Parallax over error :   2528.579 : very good
RUWE                :      0.990 : good astrometric fit (single star)
Non Single Star     :            : Single Star
Duplicated source   :      false : single source
G magnitude         :      6.379 : G > 3 mag, photometry reliable
Excess noise        :      0.125 : Good fit
  Significance      :     19.550 :   Minor noise, likely negligible
BP-RP excess factor :      1.204 : photometry consistent
Visibility periods  :         21 : high, indicates well observed star
IPD multi-peak frac :         0% : single peak detected
IDP GoF harmonic amp:      0.004 : unobtrusive (single star source)


Star B - Stellar Data
Gaia Source ID                   : 2132788541955849216           VizieR
Epoch : J2016.000 Right Ascension (RA) : 19h 12m 4.37s Declination (Dec) : 49° 51' 24.08" Distance : 25.27 ± 0.01 pc Distance : 82.41 ± 0.03 ly Magnitude (G-band) : 6.54 mag Absolute Magnitude : 4.53 ± <0.01 mag Stellar Extinction : 0.00 ± <0.01 mag Spectral Type (BP/RP) : G Bolometric correction : -0.10 mag Luminosity : 1.34 + 0.00 / − 0.00 L☉ Log(Luminosity) : 0.12728 Effective temperature (Teff) : 5616.26 + 1.21 / - 1.17 K Log(Teff) : 3.74945 Mass estimation : 1.07 M☉ RUWE : 0.98 Position Angle of Proper Motion : 343.58 ± 0.00 degree Total Proper Motion : 656.91 ± 0.02 mas/yr Tangential Velocity : 78.68 ± 0.03 km/s Radial Velocity (Gaia) : -41.82 ± 0.24 km/s Space Velocity : 89.11 ± 0.12 km/s

Star B - Selected astrophysical parameters
DSC-Combmod binary star          :       0.01
DSC-Specmod binary star          :       0.41
Radius from GSP-Phot Aeneas      :       1.14  ±   0.00          R☉
Spectral type from ESP-ELS       :          G
Radius of the star from FLAME    :       1.13  ±   0.02          R☉
Bolometric correction            :       0.06                    mag
Luminosity of the star (FLAME)   :       1.15  ±   0.01          L☉
Mass of the star from FLAME      :       0.92  ±   0.04          M☉
FLAME quality indicators         :         00
  Quality                        :       OK
  Source                         :       Parallax used
Evolutionary stage from FLAME    :        377      Main Sequence (late)

Star B - Double Star Quality Metrics
Parallax over error :   2690.750 : very good
RUWE                :      0.980 : good astrometric fit (single star)
Non Single Star     :            : Single Star
Duplicated source   :      false : single source
G magnitude         :      6.540 : G > 3 mag, photometry reliable
Excess noise        :      0.129 : Good fit
  Significance      :     20.203 :   Minor noise, likely negligible
BP-RP excess factor :      1.205 : photometry consistent
Visibility periods  :         24 : high, indicates well observed star
IPD multi-peak frac :         0% : single peak detected
IDP GoF harmonic amp:      0.028 : unobtrusive (single star source)

Hertzsprung-Russell Diagram of the Double-Star
Positions of both components within the HRD, either derived from calculated luminosities and
effective temperatures (Teff) from the Gaia GSP-Phot Aeneas library (plotted as solid circles)
or estimated from the color index (bp_rp) measured by Gaia (plotted as open circles).


Double Star plausibility checks
Common Proper Motion

Classification acc. to Harshaw     :
===================================
rPM (Proper Motion Ratio)          :        0.04     (CPM)

Co-Moving

UWLE for Co-Moving Pairs (3D)      :
===================================
COMOV: Velocity Evidence Indicator :        0.66     (Moderate)
COMOV: Distance Evidence Indicator :        1.00     (Strong)
Co-Moving Total Evidence Indicator :        0.81     (Strong)

rPM/COMOV Agreement                :                 (High)

Binarity

Separation, Sigma and Reliability  :
===================================
Projected Separation               :         182     au
Spatial Separation                 :         370  ±     2464  au
  1-Sigma Range                    : [       182,       2834] au
  Significance                     :        0.11     σ
  Note: 3D distance not significantly resolved

3D spatial distance probabilities : =================================== P(D-3D <= 363 au) : 5.5 % (2.0 * D-projected) P(D-3D <= 364 au) : 5.6 % (D-critical) P(D-3D <= 1000 au) : 24.8 % (Intermediate) P(D-3D <= 2500 au) : 63.5 % (Wide binary) P(D-3D <= 10000 au) : 100.0 % (Wide binary) P(D-3D <= 20000 au) : 100.0 % (Very wide binary) P(D-3D <= 50000 au) : 100.0 % (Extremely wide) P(D-3D <= 206265 au) : 100.0 % (Jacobi radius)

Proper Motion and Velocity         :
===================================
rPM (Proper Motion Ratio)          :        0.04     (CPM)
ΔRelative Velocity (3D)            :        3.25  ±  0.07   km/s

UWLE for Wide Binaries (3D)        :
===================================
WBS: Velocity Evidence Indicator   :        0.41     (Moderate)
WBS: Distance Evidence Indicator   :        0.99     (Strong)
Binarity Total Evidence Indicator  :        0.64     (Moderate)

Orbital & Binding Dynamics         :
-----------------------------------
Est. orbital period at 3D Sep.     :     4195.00            years
Escape Velocity                    :        3.22            km/s (Barely bound)
3D Velocity Difference             :        3.25  ±  0.07   km/s
Circular Orbital Velocity          :        2.28            km/s
Binding Indicator η                :        1.02     (Unbound)
  η < 0.5 : Strongly bound / 0.5 ≤ η < 1.0: Bound / η ≥ 1.0 : Unbound


UWLE for Wide Binaries (2D)        :
===================================
WBS: Velocity Evidence Indicator   :        0.65     (Moderate)
WBS: Distance Evidence Indicator   :        0.99     (Strong)
Binarity Total Evidence Indicator  :        0.80     (Strong)

Orbital & Binding Dynamics         :
-----------------------------------
Est. orbital period at lower bound :     1442.20            years
Escape Velocity                    :        4.60            km/s (Bound)
3D Velocity Difference             :        3.25  ±  0.07   km/s
Circular Orbital Velocity          :        3.25            km/s
Binding Indicator η                :        0.50     (Strongly Bound)
  η < 0.5 : Strongly bound / 0.5 ≤ η < 1.0: Bound / η ≥ 1.0 : Unbound

UWLE for Tight Binaries (2D) : =================================== TBS: Velocity Evidence Indicator : 0.65 (Moderate) TBS: Distance Evidence Indicator : 0.97 (Strong) Binarity Total Evidence Indicator : 0.79 (Strong) Orbital & Binding Dynamics : ----------------------------------- Est. orbital period at lower bound : 1442.20 years Escape Velocity : 4.60 km/s (Bound) 3D Velocity Difference : 3.25 ± 0.07 km/s Circular Orbital Velocity : 3.25 km/s Binding Indicator η : 0.50 (Strongly Bound) η < 0.5 : Strongly bound / 0.5 ≤ η < 1.0: Bound / η ≥ 1.0 : Unbound
UWLE Evidence Indicators - Parametrization:
===========================================
Mode                 Condition  s0         v0              Δx         Uncertainty
---------------------------------------------------------------------------------
Co-Moving                -         1.0 pc    5 km/s        spatial    σspatial
Wide Binaries (3D)       -      20,000 au  ∝√1/dspatial     spatial    σspatial
Wide Binaries (2D)   RI < 3.0   20,000 au  ∝√1/dprojected   projected  σspatial
Tight Binaries (2D)  RI < 3.0    1,000 au  ∝√1/dprojected   projected  σprojected

Metallicity (Experimental / Not validated)

Metallicity (Gaia DR3, GSP-Phot)   :
===================================
Metallicity Star A - [M/H]         :     -0.0752  ± 0.0016 dex
  Metallicity reliability factor A :        0.98
Metallicity Star B - [M/H]         :     -0.2934  ± 0.0081 dex
  Metallicity reliability factor B :        0.58
Metallicity Difference             :      0.2182           dex
Combined uncertainty               :      0.2102           dex
Sigma-Distance (Z-Score)           :      1.04 σ
  Compatibility                    :  Consistent (good agreement)

Note: Z-Score calculation accounts for a 0.21 dex systematic uncertainty
      floor based on Gaia DR3 GSP-Phot validation studies

-- Experimental module – results are preliminary and not validated --

RUWE parameters
RUWE probability for a binary system (Star A) :  0.99 : Zero
RUWE probability for a binary system (Star B) :  0.98 : Zero

Separation and position angle as a function of Julian Epoch
Note: Separation and position angle for different epochs are derived solely
from Gaia proper motion measurements; possible orbital motion is not considered.

-- For epoch J[1900-2100], computed using Gaia proper motions --

Click to expand/collapse - Separation and Position Angle for J-Epoch:
Epoch      Sep[″]   e_Sep[″]    PA[°]     e_PA[°]
-------------------------------------------------
1900.0      9.583    0.003     217.508    0.017
1901.0      9.561    0.003     217.423    0.017
1902.0      9.539    0.003     217.338    0.017
1903.0      9.516    0.003     217.252    0.017
1904.0      9.494    0.003     217.165    0.017
1905.0      9.472    0.003     217.078    0.017
1906.0      9.450    0.003     216.991    0.016
1907.0      9.428    0.003     216.904    0.016
1908.0      9.405    0.003     216.816    0.016
1909.0      9.383    0.003     216.727    0.016
1910.0      9.361    0.003     216.639    0.016
1911.0      9.339    0.003     216.549    0.016
1912.0      9.317    0.003     216.460    0.016
1913.0      9.295    0.003     216.370    0.016
1914.0      9.273    0.003     216.279    0.016
1915.0      9.251    0.003     216.188    0.015
1916.0      9.229    0.003     216.097    0.015
1917.0      9.207    0.003     216.005    0.015
1918.0      9.185    0.003     215.913    0.015
1919.0      9.163    0.003     215.820    0.015
1920.0      9.142    0.003     215.727    0.015
1921.0      9.120    0.002     215.633    0.015
1922.0      9.098    0.002     215.539    0.015
1923.0      9.076    0.002     215.445    0.015
1924.0      9.054    0.002     215.350    0.014
1925.0      9.033    0.002     215.255    0.014
1926.0      9.011    0.002     215.159    0.014
1927.0      8.989    0.002     215.062    0.014
1928.0      8.968    0.002     214.966    0.014
1929.0      8.946    0.002     214.868    0.014
1930.0      8.924    0.002     214.771    0.014
1931.0      8.903    0.002     214.673    0.014
1932.0      8.881    0.002     214.574    0.013
1933.0      8.860    0.002     214.475    0.013
1934.0      8.838    0.002     214.375    0.013
1935.0      8.817    0.002     214.275    0.013
1936.0      8.795    0.002     214.175    0.013
1937.0      8.774    0.002     214.073    0.013
1938.0      8.752    0.002     213.972    0.013
1939.0      8.731    0.002     213.870    0.013
1940.0      8.710    0.002     213.767    0.012
1941.0      8.688    0.002     213.664    0.012
1942.0      8.667    0.002     213.561    0.012
1943.0      8.646    0.002     213.457    0.012
1944.0      8.625    0.002     213.352    0.012
1945.0      8.603    0.002     213.247    0.012
1946.0      8.582    0.002     213.141    0.012
1947.0      8.561    0.002     213.035    0.012
1948.0      8.540    0.002     212.928    0.011
1949.0      8.519    0.002     212.821    0.011
1950.0      8.498    0.002     212.714    0.011
1951.0      8.477    0.002     212.605    0.011
1952.0      8.456    0.002     212.496    0.011
1953.0      8.435    0.002     212.387    0.011
1954.0      8.414    0.002     212.277    0.011
1955.0      8.393    0.002     212.167    0.010
1956.0      8.372    0.002     212.056    0.010
1957.0      8.351    0.002     211.944    0.010
1958.0      8.330    0.002     211.832    0.010
1959.0      8.310    0.001     211.720    0.010
1960.0      8.289    0.001     211.606    0.010
1961.0      8.268    0.001     211.493    0.010
1962.0      8.248    0.001     211.378    0.009
1963.0      8.227    0.001     211.263    0.009
1964.0      8.206    0.001     211.148    0.009
1965.0      8.186    0.001     211.032    0.009
1966.0      8.165    0.001     210.915    0.009
1967.0      8.145    0.001     210.798    0.009
1968.0      8.124    0.001     210.680    0.009
1969.0      8.104    0.001     210.562    0.008
1970.0      8.083    0.001     210.443    0.008
1971.0      8.063    0.001     210.323    0.008
1972.0      8.043    0.001     210.203    0.008
1973.0      8.022    0.001     210.082    0.008
1974.0      8.002    0.001     209.961    0.008
1975.0      7.982    0.001     209.838    0.007
1976.0      7.962    0.001     209.716    0.007
1977.0      7.942    0.001     209.592    0.007
1978.0      7.921    0.001     209.469    0.007
1979.0      7.901    0.001     209.344    0.007
1980.0      7.881    0.001     209.219    0.007
1981.0      7.861    0.001     209.093    0.006
1982.0      7.841    0.001     208.966    0.006
1983.0      7.821    0.001     208.839    0.006
1984.0      7.802    0.001     208.712    0.006
1985.0      7.782    0.001     208.583    0.006
1986.0      7.762    0.001     208.454    0.006
1987.0      7.742    0.001     208.324    0.005
1988.0      7.722    0.001     208.194    0.005
1989.0      7.703    0.001     208.063    0.005
1990.0      7.683    0.001     207.931    0.005
1991.0      7.663    0.001     207.799    0.005
1992.0      7.644    0.001     207.666    0.005
1993.0      7.624    0.001     207.532    0.004
1994.0      7.605    0.001     207.398    0.004
1995.0      7.585    0.001     207.262    0.004
1996.0      7.566    0.001     207.127    0.004
1997.0      7.547    0.000     206.990    0.004
1998.0      7.527    0.000     206.853    0.004
1999.0      7.508    0.000     206.715    0.003
2000.0      7.489    0.000     206.576    0.003
2001.0      7.470    0.000     206.437    0.003
2002.0      7.451    0.000     206.297    0.003
2003.0      7.432    0.000     206.156    0.003
2004.0      7.412    0.000     206.015    0.002
2005.0      7.393    0.000     205.873    0.002
2006.0      7.375    0.000     205.730    0.002
2007.0      7.356    0.000     205.586    0.002
2008.0      7.337    0.000     205.441    0.002
2009.0      7.318    0.000     205.296    0.001
2010.0      7.299    0.000     205.150    0.001
2011.0      7.280    0.000     205.004    0.001
2012.0      7.262    0.000     204.856    0.001
2013.0      7.243    0.000     204.708    0.001
2014.0      7.225    0.000     204.559    0.000
2015.0      7.206    0.000     204.409    0.000
2016.0      7.188    0.000     204.259    0.000
2017.0      7.169    0.000     204.108    0.000
2018.0      7.151    0.000     203.956    0.000
2019.0      7.132    0.000     203.803    0.001
2020.0      7.114    0.000     203.649    0.001
2021.0      7.096    0.000     203.495    0.001
2022.0      7.078    0.000     203.340    0.001
2023.0      7.060    0.000     203.184    0.001
2024.0      7.042    0.000     203.027    0.002
2025.0      7.024    0.000     202.870    0.002
2026.0      7.006    0.000     202.711    0.002
2027.0      6.988    0.000     202.552    0.002
2028.0      6.970    0.000     202.392    0.003
2029.0      6.952    0.000     202.231    0.003
2030.0      6.934    0.000     202.070    0.003
2031.0      6.917    0.000     201.907    0.003
2032.0      6.899    0.000     201.744    0.003
2033.0      6.882    0.000     201.580    0.004
2034.0      6.864    0.000     201.415    0.004
2035.0      6.847    0.000     201.249    0.004
2036.0      6.829    0.001     201.082    0.004
2037.0      6.812    0.001     200.915    0.005
2038.0      6.795    0.001     200.746    0.005
2039.0      6.777    0.001     200.577    0.005
2040.0      6.760    0.001     200.407    0.005
2041.0      6.743    0.001     200.236    0.006
2042.0      6.726    0.001     200.064    0.006
2043.0      6.709    0.001     199.892    0.006
2044.0      6.692    0.001     199.718    0.006
2045.0      6.675    0.001     199.544    0.006
2046.0      6.658    0.001     199.368    0.007
2047.0      6.642    0.001     199.192    0.007
2048.0      6.625    0.001     199.015    0.007
2049.0      6.608    0.001     198.837    0.007
2050.0      6.592    0.001     198.658    0.008
2051.0      6.575    0.001     198.479    0.008
2052.0      6.559    0.001     198.298    0.008
2053.0      6.543    0.001     198.116    0.008
2054.0      6.526    0.001     197.934    0.009
2055.0      6.510    0.001     197.750    0.009
2056.0      6.494    0.001     197.566    0.009
2057.0      6.478    0.001     197.381    0.009
2058.0      6.462    0.001     197.195    0.010
2059.0      6.446    0.001     197.008    0.010
2060.0      6.430    0.001     196.820    0.010
2061.0      6.414    0.001     196.631    0.011
2062.0      6.398    0.001     196.441    0.011
2063.0      6.383    0.001     196.250    0.011
2064.0      6.367    0.001     196.059    0.011
2065.0      6.352    0.001     195.866    0.012
2066.0      6.336    0.001     195.673    0.012
2067.0      6.321    0.001     195.478    0.012
2068.0      6.306    0.001     195.283    0.012
2069.0      6.290    0.001     195.086    0.013
2070.0      6.275    0.001     194.889    0.013
2071.0      6.260    0.001     194.691    0.013
2072.0      6.245    0.001     194.491    0.014
2073.0      6.230    0.001     194.291    0.014
2074.0      6.215    0.002     194.090    0.014
2075.0      6.201    0.002     193.888    0.014
2076.0      6.186    0.002     193.685    0.015
2077.0      6.171    0.002     193.481    0.015
2078.0      6.157    0.002     193.276    0.015
2079.0      6.142    0.002     193.070    0.016
2080.0      6.128    0.002     192.863    0.016
2081.0      6.114    0.002     192.655    0.016
2082.0      6.099    0.002     192.446    0.016
2083.0      6.085    0.002     192.236    0.017
2084.0      6.071    0.002     192.025    0.017
2085.0      6.057    0.002     191.813    0.017
2086.0      6.043    0.002     191.601    0.018
2087.0      6.029    0.002     191.387    0.018
2088.0      6.016    0.002     191.172    0.018
2089.0      6.002    0.002     190.956    0.018
2090.0      5.988    0.002     190.740    0.019
2091.0      5.975    0.002     190.522    0.019
2092.0      5.962    0.002     190.303    0.019
2093.0      5.948    0.002     190.084    0.020
2094.0      5.935    0.002     189.863    0.020
2095.0      5.922    0.002     189.641    0.020
2096.0      5.909    0.002     189.419    0.021
2097.0      5.896    0.002     189.195    0.021
2098.0      5.883    0.002     188.971    0.021
2099.0      5.870    0.002     188.745    0.022
2100.0      5.858    0.002     188.519    0.022




Measurements for STF 2486 AB
 
WDS ID      Discovr     Comp  #    Sep      PA       Epoch      Obs  Telescope     Camera    Note
-------------------------------------------------------------------------------------------------
19121+4951  STF 2486    AB    1    7.07"    202.9°   B2025.493  HWI  120/900 APO   ASI678MM  

-- Image of STF-2486-AB-taken with Equinox 120/900 APO --


WDS record for STF 2486 AB
wds_id                       : 19121+4951
discoverer_code              : STF
discoverer_number            : 2486
discoverer_components        : AB
date_first                   : 1819
date_last                    : 2024
num_of_obs                   : 329
pa_first                     : 223
pa_last                      : 203
sep_first                    : 9.0
sep_last                     : 7.0
mag_primary                  : 6.54
mag_secondary                : 6.67
spectral_type                : G2V+G3V
primary_proper_motion_RA     : -211
primary_proper_motion_DEC    : 621
secondary_proper_motion_RA   : -186
secondary_proper_motion_DEC  : 630
dm_number                    : +49 2959
notes                        : NO
precise_coordinate           : 191205.03+495120.7
                             : 19:12:05.03 +49:51:20.7

WDS Notes:
----------
N: Notes found in WDSNOT MEMO of WDS
O: Orbit described in WDSNOT MEMO and has entry in Orbit Catalog


Orbital Elements for STF 2486 AB
WDS: STF 2486 AB WDS ID/Discoverer
P: 3100.000 Orbital period (years)
a: 12.75 Semi-major axis (arcseconds)
i: 119.06 Inclination (degrees)
Ω: 255.22 Longitude of ascending node (degrees)
T: 2520.000 Epoch of periastron passage (year)
e: 0.5 Eccentricity
ω: 186.09 Argument of periastron (degrees)
Start-Year: 475.000 Year
End-Year: 3575.000 Year
Epoch: 2025.49 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for STF 2486 AB
Position: 191205.03+495120.7 Epoch-2000 right ascension and declination
WDS-ID: 19121+4951 WDS designation
Discoverer Code: STF 2486 AB Discover designation and components
ADS number: 12169 Aitken Double Star catalog
HD number: 179958 HD catalog number
Hipparcos number: 94336 Hipparcos catalog number
V1: 6.54 Magnitude of the primary
V2: 6.67 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 1991 Date of last observation
Orbit grade: 4 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
8 = Interferometric
9 = Astrometric
Flags: n Flags
Ephemerides: Ephemerides
Code: Hle1994 Reference

Double Star Orbit for STF 2486 AB



WDS 6th Orbit including measures of STF 2486 AB

-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --


Legend:
Green plus signs:Visual (micrometric) measures
Violet asterisks:Photographic measures
Blue symbols:Various interferometric techniques
Dot-dash line:Indicates the line of nodes

Ephemeris of STF 2486 AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.49    7.055   202.64
--------------------------
470.00   17.032   263.92
480.00   17.125   263.65
490.00   17.216   263.38
500.00   17.305   263.11
510.00   17.391   262.85
520.00   17.475   262.59
530.00   17.557   262.33
540.00   17.637   262.07
550.00   17.715   261.82
560.00   17.790   261.57
570.00   17.863   261.32
580.00   17.934   261.07
590.00   18.003   260.82
600.00   18.069   260.58
610.00   18.134   260.34
620.00   18.196   260.09
630.00   18.256   259.86
640.00   18.314   259.62
650.00   18.370   259.38
660.00   18.424   259.15
670.00   18.475   258.91
680.00   18.524   258.68
690.00   18.572   258.45
700.00   18.617   258.22
710.00   18.660   257.99
720.00   18.700   257.77
730.00   18.739   257.54
740.00   18.776   257.31
750.00   18.810   257.09
760.00   18.843   256.86
770.00   18.873   256.64
780.00   18.901   256.42
790.00   18.927   256.20
800.00   18.951   255.97
810.00   18.973   255.75
820.00   18.993   255.53
830.00   19.011   255.31
840.00   19.026   255.09
850.00   19.040   254.87
860.00   19.052   254.66
870.00   19.061   254.44
880.00   19.068   254.22
890.00   19.074   254.00
900.00   19.077   253.78
910.00   19.078   253.56
920.00   19.077   253.35
930.00   19.075   253.13
940.00   19.070   252.91
950.00   19.063   252.69
960.00   19.054   252.47
970.00   19.043   252.25
980.00   19.029   252.03
990.00   19.014   251.81
1000.00   18.997   251.59
1010.00   18.978   251.37
1020.00   18.957   251.15
1030.00   18.933   250.93
1040.00   18.908   250.71
1050.00   18.881   250.49
1060.00   18.851   250.27
1070.00   18.820   250.04
1080.00   18.787   249.82
1090.00   18.751   249.59
1100.00   18.714   249.37
1110.00   18.674   249.14
1120.00   18.633   248.91
1130.00   18.589   248.68
1140.00   18.544   248.45
1150.00   18.496   248.22
1160.00   18.447   247.99
1170.00   18.395   247.75
1180.00   18.342   247.52
1190.00   18.286   247.28
1200.00   18.228   247.04
1210.00   18.169   246.80
1220.00   18.107   246.56
1230.00   18.044   246.32
1240.00   17.978   246.07
1250.00   17.910   245.83
1260.00   17.841   245.58
1270.00   17.769   245.33
1280.00   17.695   245.07
1290.00   17.619   244.82
1300.00   17.542   244.56
1310.00   17.462   244.30
1320.00   17.380   244.04
1330.00   17.297   243.78
1340.00   17.211   243.51
1350.00   17.123   243.24
1360.00   17.033   242.97
1370.00   16.942   242.69
1380.00   16.848   242.42
1390.00   16.752   242.13
1400.00   16.654   241.85
1410.00   16.555   241.56
1420.00   16.453   241.27
1430.00   16.349   240.97
1440.00   16.243   240.68
1450.00   16.136   240.37
1460.00   16.026   240.07
1470.00   15.914   239.75
1480.00   15.800   239.44
1490.00   15.685   239.12
1500.00   15.567   238.79
1510.00   15.447   238.46
1520.00   15.326   238.13
1530.00   15.202   237.79
1540.00   15.077   237.44
1550.00   14.949   237.09
1560.00   14.819   236.73
1570.00   14.688   236.36
1580.00   14.555   235.99
1590.00   14.419   235.61
1600.00   14.282   235.23
1610.00   14.143   234.84
1620.00   14.002   234.43
1630.00   13.859   234.03
1640.00   13.714   233.61
1650.00   13.567   233.18
1660.00   13.419   232.74
1670.00   13.268   232.30
1680.00   13.116   231.84
1690.00   12.962   231.38
1700.00   12.806   230.90
1710.00   12.648   230.41
1720.00   12.489   229.90
1730.00   12.328   229.39
1740.00   12.165   228.86
1750.00   12.000   228.31
1760.00   11.834   227.76
1770.00   11.666   227.18
1780.00   11.497   226.59
1790.00   11.326   225.98
1800.00   11.154   225.35
1810.00   10.980   224.70
1820.00   10.805   224.03
1830.00   10.628   223.34
1840.00   10.450   222.63
1850.00   10.271   221.89
1860.00   10.091   221.12
1870.00    9.910   220.33
1880.00    9.728   219.50
1890.00    9.545   218.65
1900.00    9.361   217.76
1910.00    9.176   216.83
1920.00    8.991   215.87
1930.00    8.806   214.87
1940.00    8.621   213.82
1950.00    8.435   212.73
1960.00    8.250   211.59
1970.00    8.065   210.39
1980.00    7.880   209.15
1990.00    7.696   207.84
2000.00    7.514   206.46
2010.00    7.332   205.02
2020.00    7.153   203.51
2030.00    6.975   201.92
2040.00    6.800   200.24
2050.00    6.628   198.48
2060.00    6.459   196.62
2070.00    6.294   194.67
2080.00    6.133   192.61
2090.00    5.977   190.44
2100.00    5.827   188.16
2110.00    5.683   185.77
2120.00    5.546   183.24
2130.00    5.416   180.60
2140.00    5.295   177.83
2150.00    5.184   174.94
2160.00    5.082   171.92
2170.00    4.991   168.79
2180.00    4.912   165.55
2190.00    4.845   162.21
2200.00    4.791   158.79
2210.00    4.749   155.30
2220.00    4.722   151.75
2230.00    4.707   148.18
2240.00    4.707   144.59
2250.00    4.719   141.02
2260.00    4.745   137.47
2270.00    4.782   133.97
2280.00    4.832   130.53
2290.00    4.892   127.17
2300.00    4.961   123.90
2310.00    5.039   120.72
2320.00    5.124   117.64
2330.00    5.215   114.67
2340.00    5.311   111.80
2350.00    5.410   109.04
2360.00    5.511   106.38
2370.00    5.612   103.81
2380.00    5.712   101.33
2390.00    5.810    98.94
2400.00    5.905    96.62
2410.00    5.995    94.38
2420.00    6.078    92.20
2430.00    6.154    90.08
2440.00    6.221    88.00
2450.00    6.279    85.97
2460.00    6.326    83.97
2470.00    6.362    82.00
2480.00    6.385    80.05
2490.00    6.396    78.10
2500.00    6.393    76.16
2510.00    6.377    74.21
2520.00    6.348    72.25
2530.00    6.305    70.27
2540.00    6.249    68.25
2550.00    6.181    66.20
2560.00    6.101    64.09
2570.00    6.010    61.93
2580.00    5.909    59.69
2590.00    5.800    57.38
2600.00    5.684    54.97
2610.00    5.562    52.46
2620.00    5.436    49.83
2630.00    5.308    47.08
2640.00    5.179    44.19
2650.00    5.052    41.15
2660.00    4.927    37.96
2670.00    4.808    34.61
2680.00    4.697    31.09
2690.00    4.594    27.41
2700.00    4.503    23.57
2710.00    4.424    19.58
2720.00    4.360    15.46
2730.00    4.312    11.24
2740.00    4.281     6.93
2750.00    4.269     2.58
2760.00    4.275   358.23
2770.00    4.300   353.91
2780.00    4.344   349.65
2790.00    4.406   345.50
2800.00    4.485   341.48
2810.00    4.581   337.61
2820.00    4.692   333.91
2830.00    4.817   330.40
2840.00    4.955   327.07
2850.00    5.104   323.93
2860.00    5.263   320.97
2870.00    5.431   318.19
2880.00    5.606   315.59
2890.00    5.789   313.14
2900.00    5.977   310.84
2910.00    6.170   308.69
2920.00    6.367   306.67
2930.00    6.567   304.77
2940.00    6.770   302.98
2950.00    6.975   301.30
2960.00    7.182   299.71
2970.00    7.390   298.22
2980.00    7.599   296.80
2990.00    7.809   295.47
3000.00    8.018   294.20
3010.00    8.228   292.99
3020.00    8.437   291.85
3030.00    8.645   290.76
3040.00    8.853   289.72
3050.00    9.060   288.73
3060.00    9.266   287.79
3070.00    9.470   286.88
3080.00    9.673   286.02
3090.00    9.875   285.18
3100.00   10.075   284.39
3110.00   10.273   283.62
3120.00   10.469   282.88
3130.00   10.664   282.17
3140.00   10.857   281.48
3150.00   11.048   280.82
3160.00   11.236   280.18
3170.00   11.423   279.56
3180.00   11.608   278.96
3190.00   11.790   278.38
3200.00   11.971   277.82
3210.00   12.149   277.27
3220.00   12.325   276.74
3230.00   12.499   276.23
3240.00   12.670   275.73
3250.00   12.839   275.24
3260.00   13.006   274.76
3270.00   13.171   274.30
3280.00   13.333   273.85
3290.00   13.493   273.41
3300.00   13.651   272.98
3310.00   13.806   272.55
3320.00   13.959   272.14
3330.00   14.110   271.74
3340.00   14.259   271.34
3350.00   14.405   270.96
3360.00   14.548   270.58
3370.00   14.690   270.21
3380.00   14.829   269.84
3390.00   14.966   269.48
3400.00   15.100   269.13
3410.00   15.232   268.79
3420.00   15.362   268.45
3430.00   15.489   268.11
3440.00   15.614   267.79
3450.00   15.737   267.46
3460.00   15.858   267.15
3470.00   15.976   266.83
3480.00   16.092   266.52
3490.00   16.205   266.22
3500.00   16.317   265.92
3510.00   16.426   265.62
3520.00   16.532   265.33
3530.00   16.637   265.04
3540.00   16.739   264.76
3550.00   16.839   264.47
3560.00   16.936   264.20
3570.00   17.032   263.92
3580.00   17.125   263.65


Parsed GAIA Input Data
Click to expand/collapse the Gaia Input Data:
Star A - gaiadr3.gaia_source
solution_id = 1636148068921376768
designation = Gaia DR3 2132788541955849984
source_id = 2132788541955849984
random_index = 827589573
ref_epoch = 2016.0
ra = 288.019487966497
ra_error = 0.015895005
dec = 49.85850904811307
dec_error = 0.01448241
parallax = 39.58086000897815
parallax_error = 0.0156534
parallax_over_error = 2528.579
pm = 655.7814
pmra = -210.53840649708008
pmra_error = 0.020600889
pmdec = 621.0658443037639
pmdec_error = 0.0189702
ra_dec_corr = -0.19625553
ra_parallax_corr = -0.05493233
ra_pmra_corr = 0.059793603
ra_pmdec_corr = -0.08705083
dec_parallax_corr = -0.02887177
dec_pmra_corr = -0.036465235
dec_pmdec_corr = -0.21143569
parallax_pmra_corr = -0.20585617
parallax_pmdec_corr = 0.016772814
pmra_pmdec_corr = -0.33688465
astrometric_n_obs_al = 238
astrometric_n_obs_ac = 238
astrometric_n_good_obs_al = 237
astrometric_n_bad_obs_al = 1
astrometric_gof_al = -0.118002325
astrometric_chi2_al = 778.4215
astrometric_excess_noise = 0.12467984
astrometric_excess_noise_sig = 19.550442
astrometric_params_solved = 31
astrometric_primary_flag = true
nu_eff_used_in_astrometry = 1.5602044
astrometric_matched_transits = 27
visibility_periods_used = 21
astrometric_sigma5d_max = 0.03186094
matched_transits = 30
new_matched_transits = 12
matched_transits_removed = 21
ipd_gof_harmonic_amplitude = 0.0036458494
ipd_gof_harmonic_phase = 51.920486
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 0.9930931
duplicated_source = false
phot_g_n_obs = 259
phot_g_mean_flux = 52873751.94032313
phot_g_mean_flux_error = 10565.78
phot_g_mean_flux_over_error = 5004.245
phot_g_mean_mag = 6.3792667
phot_bp_n_obs = 26
phot_bp_mean_flux = 28556509.54567889
phot_bp_mean_flux_error = 34071.61
phot_bp_mean_flux_over_error = 838.1321
phot_bp_mean_mag = 6.6992793
phot_rp_n_obs = 21
phot_rp_mean_flux = 35110454.467033856
phot_rp_mean_flux_error = 29511.254
phot_rp_mean_flux_over_error = 1189.7311
phot_rp_mean_mag = 5.8843045
phot_bp_rp_excess_factor = 1.2041317
phot_bp_n_contaminated_transits = 0
phot_bp_n_blended_transits = 1
phot_rp_n_contaminated_transits = 0
phot_rp_n_blended_transits = 1
phot_proc_mode = 0
bp_rp = 0.8149748
bp_g = 0.32001257
g_rp = 0.49496222
radial_velocity = -41.083805
radial_velocity_error = 0.18341973
rv_method_used = 1
rv_nb_transits = 14
rv_nb_deblended_transits = 0
rv_visibility_periods_used = 14
rv_expected_sig_to_noise = 573.2274
rv_renormalised_gof = 5.4266696
rv_chisq_pvalue = 8.233636e-11
rv_time_duration = 852.11096
rv_amplitude_robust = 1.9315491
rv_template_teff = 5750.0
rv_template_logg = 4.5
rv_template_fe_h = 0.0
rv_atm_param_origin = 222
grvs_mag = 5.699036
grvs_mag_error = 0.06533362
grvs_mag_nb_transits = 14
phot_variable_flag = NOT_AVAILABLE
l = 80.67932446244691
b = 17.27611854480902
ecl_lon = 307.6613141627892
ecl_lat = 70.94988704294587
in_qso_candidates = false
in_galaxy_candidates = false
non_single_star = 0
has_xp_continuous = true
has_xp_sampled = true
has_rvs = false
has_epoch_photometry = false
has_epoch_rv = false
has_mcmc_gspphot = true
has_mcmc_msc = true
in_andromeda_survey = false
classprob_dsc_combmod_quasar = 1.0202512e-11
classprob_dsc_combmod_galaxy = 5.0961034e-11
classprob_dsc_combmod_star = 1.0000273e-06
teff_gspphot = 5675.3115
teff_gspphot_lower = 5674.6196
teff_gspphot_upper = 5676.056
logg_gspphot = 4.2367
logg_gspphot_lower = 4.2363
logg_gspphot_upper = 4.2372
mh_gspphot = -0.0752
mh_gspphot_lower = -0.0769
mh_gspphot_upper = -0.0736
distance_gspphot = 25.243
distance_gspphot_lower = 25.2304
distance_gspphot_upper = 25.2535
azero_gspphot = 0.0
azero_gspphot_lower = 0.0
azero_gspphot_upper = 0.0001
ag_gspphot = 0.0
ag_gspphot_lower = 0.0
ag_gspphot_upper = 0.0001
ebpminrp_gspphot = 0.0
ebpminrp_gspphot_lower = 0.0
ebpminrp_gspphot_upper = 0.0001
libname_gspphot = MARCS
    Star B - gaiadr3.gaia_source
solution_id = 1636148068921376768
designation = Gaia DR3 2132788541955849216
source_id = 2132788541955849216
random_index = 108308571
ref_epoch = 2016.0
ra = 288.01821557984215
ra_error = 0.013472578
dec = 49.85668878637743
dec_error = 0.014643133
parallax = 39.578411311616
parallax_error = 0.014709061
parallax_over_error = 2690.7502
pm = 656.9117
pmra = -185.72360965615798
pmra_error = 0.016981447
pmdec = 630.1108783316924
pmdec_error = 0.01781501
ra_dec_corr = -0.10731651
ra_parallax_corr = -0.13734084
ra_pmra_corr = -0.00045816242
ra_pmdec_corr = 0.026516452
dec_parallax_corr = 0.20133626
dec_pmra_corr = 0.014940908
dec_pmdec_corr = -0.32956758
parallax_pmra_corr = -0.1544216
parallax_pmdec_corr = -0.0018844008
pmra_pmdec_corr = -0.14602117
astrometric_n_obs_al = 302
astrometric_n_obs_ac = 302
astrometric_n_good_obs_al = 301
astrometric_n_bad_obs_al = 1
astrometric_gof_al = -0.503344
astrometric_chi2_al = 896.45935
astrometric_excess_noise = 0.12867041
astrometric_excess_noise_sig = 20.203192
astrometric_params_solved = 31
astrometric_primary_flag = true
nu_eff_used_in_astrometry = 1.557857
astrometric_matched_transits = 34
visibility_periods_used = 24
astrometric_sigma5d_max = 0.026257427
matched_transits = 37
new_matched_transits = 14
matched_transits_removed = 11
ipd_gof_harmonic_amplitude = 0.028426232
ipd_gof_harmonic_phase = 8.5856085
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 0.97826606
duplicated_source = false
phot_g_n_obs = 323
phot_g_mean_flux = 45619035.96986655
phot_g_mean_flux_error = 7118.0713
phot_g_mean_flux_over_error = 6408.9043
phot_g_mean_mag = 6.5395017
phot_bp_n_obs = 29
phot_bp_mean_flux = 24488318.057731718
phot_bp_mean_flux_error = 33114.72
phot_bp_mean_flux_over_error = 739.4995
phot_bp_mean_mag = 6.8661447
phot_rp_n_obs = 27
phot_rp_mean_flux = 30476543.352481987
phot_rp_mean_flux_error = 24311.629
phot_rp_mean_flux_over_error = 1253.5789
phot_rp_mean_mag = 6.037981
phot_bp_rp_excess_factor = 1.2048668
phot_bp_n_contaminated_transits = 8
phot_bp_n_blended_transits = 8
phot_rp_n_contaminated_transits = 7
phot_rp_n_blended_transits = 9
phot_proc_mode = 0
bp_rp = 0.8281636
bp_g = 0.326643
g_rp = 0.50152063
radial_velocity = -41.818756
radial_velocity_error = 0.24230477
rv_method_used = 1
rv_nb_transits = 17
rv_nb_deblended_transits = 0
rv_visibility_periods_used = 17
rv_expected_sig_to_noise = 587.20123
rv_renormalised_gof = 1.6521859
rv_chisq_pvalue = 0.033999
rv_time_duration = 913.0877
rv_amplitude_robust = 0.6834831
rv_template_teff = 5750.0
rv_template_logg = 4.5
rv_template_fe_h = 0.0
rv_atm_param_origin = 222
grvs_mag = 5.8500037
grvs_mag_error = 0.08001436
grvs_mag_nb_transits = 17
phot_variable_flag = NOT_AVAILABLE
l = 80.67723544575375
b = 17.27620298442962
ecl_lon = 307.65688423371955
ecl_lat = 70.94851029178645
in_qso_candidates = false
in_galaxy_candidates = false
non_single_star = 0
has_xp_continuous = true
has_xp_sampled = true
has_rvs = false
has_epoch_photometry = false
has_epoch_rv = false
has_mcmc_gspphot = true
has_mcmc_msc = true
in_andromeda_survey = false
classprob_dsc_combmod_quasar = 1.7308995e-13
classprob_dsc_combmod_galaxy = 8.6457566e-13
classprob_dsc_combmod_star = 0.99296397
teff_gspphot = 5616.256
teff_gspphot_lower = 5615.0874
teff_gspphot_upper = 5617.4614
logg_gspphot = 4.3393
logg_gspphot_lower = 4.3385
logg_gspphot_upper = 4.3401
mh_gspphot = -0.2934
mh_gspphot_lower = -0.3016
mh_gspphot_upper = -0.2855
distance_gspphot = 25.2521
distance_gspphot_lower = 25.2425
distance_gspphot_upper = 25.2614
azero_gspphot = 0.0
azero_gspphot_lower = 0.0
azero_gspphot_upper = 0.0001
ag_gspphot = 0.0
ag_gspphot_lower = 0.0
ag_gspphot_upper = 0.0001
ebpminrp_gspphot = 0.0
ebpminrp_gspphot_lower = 0.0
ebpminrp_gspphot_upper = 0.0001
libname_gspphot = MARCS
- gaiadr3.astrophysical_parameters
solution_id = 1636148068921376768
source_id = 2132788541955849984
classprob_dsc_combmod_quasar = 1.0202512e-11
classprob_dsc_combmod_galaxy = 5.0961034e-11
classprob_dsc_combmod_star = 1.0000273e-06
classprob_dsc_combmod_whitedwarf = 2.0026275e-10
classprob_dsc_combmod_binarystar = 0.999999
classprob_dsc_specmod_quasar = 0.0
classprob_dsc_specmod_galaxy = 0.0
classprob_dsc_specmod_star = 0.0
classprob_dsc_specmod_whitedwarf = 0.0
classprob_dsc_specmod_binarystar = 1.0
classprob_dsc_allosmod_quasar = 0.0
classprob_dsc_allosmod_galaxy = 0.0
classprob_dsc_allosmod_star = 1.0
teff_gspphot = 5675.3115
teff_gspphot_lower = 5674.6196
teff_gspphot_upper = 5676.056
logg_gspphot = 4.2367
logg_gspphot_lower = 4.2363
logg_gspphot_upper = 4.2372
mh_gspphot = -0.0752
mh_gspphot_lower = -0.0769
mh_gspphot_upper = -0.0736
distance_gspphot = 25.243
distance_gspphot_lower = 25.2304
distance_gspphot_upper = 25.2535
azero_gspphot = 0.0
azero_gspphot_lower = 0.0
azero_gspphot_upper = 0.0001
ag_gspphot = 0.0
ag_gspphot_lower = 0.0
ag_gspphot_upper = 0.0001
abp_gspphot = 0.0
abp_gspphot_lower = 0.0
abp_gspphot_upper = 0.0001
arp_gspphot = 0.0
arp_gspphot_lower = 0.0
arp_gspphot_upper = 0.0001
ebpminrp_gspphot = 0.0
ebpminrp_gspphot_lower = 0.0
ebpminrp_gspphot_upper = 0.0001
mg_gspphot = 4.3498
mg_gspphot_lower = 4.3488
mg_gspphot_upper = 4.3509
radius_gspphot = 1.1908
radius_gspphot_lower = 1.19
radius_gspphot_upper = 1.1913
logposterior_gspphot = -3258.1284
mcmcaccept_gspphot = 0.40808776
libname_gspphot = MARCS
teff_gspspec = 5790.0
teff_gspspec_lower = 5740.0
teff_gspspec_upper = 5817.0
logg_gspspec = 4.39
logg_gspspec_lower = 4.35
logg_gspspec_upper = 4.78
mh_gspspec = -0.03
mh_gspspec_lower = -0.14
mh_gspspec_upper = -0.02
alphafe_gspspec = 0.06
alphafe_gspspec_lower = 0.03
alphafe_gspspec_upper = 0.13
fem_gspspec = -0.13
fem_gspspec_lower = -0.21
fem_gspspec_upper = -0.06
fem_gspspec_nlines = 8
fem_gspspec_linescatter = 0.17
sife_gspspec = -0.09
sife_gspspec_lower = -0.14
sife_gspspec_upper = 0.01
sife_gspspec_nlines = 3
sife_gspspec_linescatter = 0.15
cafe_gspspec = 0.04
cafe_gspspec_lower = -0.01
cafe_gspspec_upper = 0.11
cafe_gspspec_nlines = 7
cafe_gspspec_linescatter = 0.03
mgfe_gspspec = 0.21
mgfe_gspspec_lower = 0.08
mgfe_gspspec_upper = 0.36
mgfe_gspspec_nlines = 1
mgfe_gspspec_linescatter = 0.0
feiim_gspspec = 0.11
feiim_gspspec_lower = 0.03
feiim_gspspec_upper = 0.31
feiim_gspspec_nlines = 1
feiim_gspspec_linescatter = 0.0
sfe_gspspec = 0.06
sfe_gspspec_lower = -0.06
sfe_gspspec_upper = 0.19
sfe_gspspec_nlines = 2
sfe_gspspec_linescatter = 0.14
nfe_gspspec = 0.12
nfe_gspspec_lower = -0.09
nfe_gspspec_upper = 0.22
nfe_gspspec_nlines = 1
nfe_gspspec_linescatter = 0.0
nife_gspspec = 0.03
nife_gspspec_lower = -0.19
nife_gspspec_upper = 0.18
nife_gspspec_nlines = 1
nife_gspspec_linescatter = 0.0
dibqf_gspspec = -1
flags_gspspec = 00000010000001010000000999900011199999999
logchisq_gspspec = -4.1269403
ew_espels_halpha = 0.042833623
ew_espels_halpha_uncertainty = 0.021621937
ew_espels_halpha_flag = 0
ew_espels_halpha_model = 0.10371
flags_esphs = 92
spectraltype_esphs = G
radius_flame = 1.1871709
radius_flame_lower = 1.1633164
radius_flame_upper = 1.211025
lum_flame = 1.3172781
lum_flame_lower = 1.3121754
lum_flame_upper = 1.3223729
mass_flame = 0.9439248
mass_flame_lower = 0.9039235
mass_flame_upper = 0.9839371
age_flame = 11.690868
age_flame_lower = 10.499348
age_flame_upper = 12.880102
flags_flame = 00
evolstage_flame = 386
gravredshift_flame = 0.47498053
gravredshift_flame_lower = 0.4748126
gravredshift_flame_upper = 0.47520137
bc_flame = 0.07290727
mh_msc = -0.20011926
mh_msc_upper = -0.1921297
mh_msc_lower = -0.21020332
azero_msc = 0.1998222
azero_msc_upper = 0.21680804
azero_msc_lower = 0.19467027
distance_msc = 25.291489
distance_msc_upper = 25.521915
distance_msc_lower = 25.174168
teff_msc1 = 5893.824
teff_msc1_upper = 5956.4365
teff_msc1_lower = 5861.0557
teff_msc2 = 5008.882
teff_msc2_upper = 6625.4785
teff_msc2_lower = 4921.1963
logg_msc1 = 4.55502
logg_msc1_upper = 5.0128407
logg_msc1_lower = 4.526586
logg_msc2 = 4.714071
logg_msc2_upper = 5.2
logg_msc2_lower = 4.597055
ag_msc = 0.16512926
ag_msc_upper = 0.18130894
ag_msc_lower = 0.16075115
logposterior_msc = -534.42224
mcmcaccept_msc = 0.24768497
mcmcdrift_msc = 0.39740968
flags_msc = 0
    - gaiadr3.astrophysical_parameters
solution_id = 1636148068921376768
source_id = 2132788541955849216
classprob_dsc_combmod_quasar = 1.7308995e-13
classprob_dsc_combmod_galaxy = 8.6457566e-13
classprob_dsc_combmod_star = 0.99296397
classprob_dsc_combmod_whitedwarf = 3.397543e-12
classprob_dsc_combmod_binarystar = 0.0070360494
classprob_dsc_specmod_quasar = 0.0
classprob_dsc_specmod_galaxy = 0.0
classprob_dsc_specmod_star = 0.5852708
classprob_dsc_specmod_whitedwarf = 0.0
classprob_dsc_specmod_binarystar = 0.41472915
classprob_dsc_allosmod_quasar = 0.0
classprob_dsc_allosmod_galaxy = 0.0
classprob_dsc_allosmod_star = 1.0
teff_gspphot = 5616.256
teff_gspphot_lower = 5615.0874
teff_gspphot_upper = 5617.4614
logg_gspphot = 4.3393
logg_gspphot_lower = 4.3385
logg_gspphot_upper = 4.3401
mh_gspphot = -0.2934
mh_gspphot_lower = -0.3016
mh_gspphot_upper = -0.2855
distance_gspphot = 25.2521
distance_gspphot_lower = 25.2425
distance_gspphot_upper = 25.2614
azero_gspphot = 0.0
azero_gspphot_lower = 0.0
azero_gspphot_upper = 0.0001
ag_gspphot = 0.0
ag_gspphot_lower = 0.0
ag_gspphot_upper = 0.0001
abp_gspphot = 0.0
abp_gspphot_lower = 0.0
abp_gspphot_upper = 0.0001
arp_gspphot = 0.0
arp_gspphot_lower = 0.0
arp_gspphot_upper = 0.0001
ebpminrp_gspphot = 0.0
ebpminrp_gspphot_lower = 0.0
ebpminrp_gspphot_upper = 0.0001
mg_gspphot = 4.5132
mg_gspphot_lower = 4.5123
mg_gspphot_upper = 4.5141
radius_gspphot = 1.1377
radius_gspphot_lower = 1.1369
radius_gspphot_upper = 1.1386
logposterior_gspphot = -2218.405
mcmcaccept_gspphot = 0.45868337
libname_gspphot = MARCS
teff_gspspec = 5753.0
teff_gspspec_lower = 5727.0
teff_gspspec_upper = 5891.0
logg_gspspec = 4.49
logg_gspspec_lower = 4.46
logg_gspspec_upper = 4.62
mh_gspspec = -0.01
mh_gspspec_lower = -0.04
mh_gspspec_upper = -0.0
alphafe_gspspec = 0.05
alphafe_gspspec_lower = 0.02
alphafe_gspspec_upper = 0.07
fem_gspspec = -0.16
fem_gspspec_lower = -0.24
fem_gspspec_upper = -0.1
fem_gspspec_nlines = 8
fem_gspspec_linescatter = 0.18
sife_gspspec = -0.22
sife_gspspec_lower = -0.26
sife_gspspec_upper = -0.18
sife_gspspec_nlines = 2
sife_gspspec_linescatter = 0.13
cafe_gspspec = 0.01
cafe_gspspec_lower = -0.03
cafe_gspspec_upper = 0.03
cafe_gspspec_nlines = 7
cafe_gspspec_linescatter = 0.05
tife_gspspec = 0.19
tife_gspspec_lower = 0.1
tife_gspspec_upper = 0.27
tife_gspspec_nlines = 1
tife_gspspec_linescatter = 0.0
mgfe_gspspec = 0.15
mgfe_gspspec_lower = -0.0
mgfe_gspspec_upper = 0.26
mgfe_gspspec_nlines = 1
mgfe_gspspec_linescatter = 0.0
feiim_gspspec = 0.16
feiim_gspspec_lower = 0.06
feiim_gspspec_upper = 0.27
feiim_gspspec_nlines = 1
feiim_gspspec_linescatter = 0.0
sfe_gspspec = 0.0
sfe_gspspec_lower = -0.13
sfe_gspspec_upper = 0.11
sfe_gspspec_nlines = 2
sfe_gspspec_linescatter = 0.08
nfe_gspspec = 0.18
nfe_gspspec_lower = -0.04
nfe_gspspec_upper = 0.37
nfe_gspspec_nlines = 1
nfe_gspspec_linescatter = 0.0
nife_gspspec = 0.04
nife_gspspec_lower = -0.08
nife_gspspec_upper = 0.16
nife_gspspec_nlines = 1
nife_gspspec_linescatter = 0.0
dib_gspspec_lambda = 862.5208
dib_gspspec_lambda_uncertainty = 0.003503052
dibew_gspspec = 0.007
dibew_gspspec_uncertainty = 0.002
dibewnoise_gspspec_uncertainty = 0.0013
dibp0_gspspec = -0.0135
dibp2_gspspec = 0.2087
dibp2_gspspec_uncertainty = 0.0423
dibqf_gspspec = 5
flags_gspspec = 00000000000001210001000009900000099999995
logchisq_gspspec = -3.808936
ew_espels_halpha = 0.049474295
ew_espels_halpha_uncertainty = 0.024608657
ew_espels_halpha_flag = 0
ew_espels_halpha_model = 0.096697
flags_esphs = 92
spectraltype_esphs = G
activityindex_espcs = 0.015147153
activityindex_espcs_uncertainty = 0.0006044856
activityindex_espcs_input = M1
radius_flame = 1.1344544
radius_flame_lower = 1.1116271
radius_flame_upper = 1.157281
lum_flame = 1.153592
lum_flame_lower = 1.1484909
lum_flame_upper = 1.1586803
mass_flame = 0.917427
mass_flame_lower = 0.8774258
mass_flame_upper = 0.95742834
age_flame = 12.836643
age_flame_lower = 11.54117
age_flame_upper = 13.5
flags_flame = 00
evolstage_flame = 377
gravredshift_flame = 0.5750001
gravredshift_flame_lower = 0.57438993
gravredshift_flame_upper = 0.57560265
bc_flame = 0.05686928
mh_msc = 0.04244478
mh_msc_upper = 0.5
mh_msc_lower = -0.45175982
azero_msc = 0.021054102
azero_msc_upper = 1.0868849
azero_msc_lower = 0.0
distance_msc = 25.66093
distance_msc_upper = 26.257816
distance_msc_lower = 24.857822
teff_msc1 = 5804.8813
teff_msc1_upper = 6557.1226
teff_msc1_lower = 4857.0737
teff_msc2 = 5277.3506
teff_msc2_upper = 5580.4463
teff_msc2_lower = 3000.0
logg_msc1 = 4.8088713
logg_msc1_upper = 4.893853
logg_msc1_lower = 3.4137936
logg_msc2 = 4.673851
logg_msc2_upper = 4.911292
logg_msc2_lower = 3.9087324
ag_msc = 0.017114764
ag_msc_upper = 0.8941108
ag_msc_lower = 0.0
logposterior_msc = -8809.1
mcmcaccept_msc = 0.20539379
mcmcdrift_msc = 0.03436225
flags_msc = 1
neuron_oa_id = 202105281205440445
neuron_oa_dist = 1.1263769e-05
neuron_oa_dist_percentile_rank = 75
flags_oa = 0012




Observation Date:


Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2026. Unless otherwise noted, all output generated by the Double Star Calculator including orbit diagrams, ephemerides, and analytical reports is licensed under CC BY 4.0.


Acknowledgements
The Double Star Calculator makes use of data from the European Space Agency (ESA) mission Gaia, processed by the Gaia Data Processing and Analysis Consortium (DPAC). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement. Additionally, it incorporates data from the Washington Double Star Catalog, maintained at the U.S. Naval Observatory, and makes use of the Aladin Sky Atlas developed at CDS, Strasbourg Observatory, France.


Report Information
Double Star Calculator: Version 1.2 ($Rev: 2591 $)
Report created: 2026-09-09 08:38:49 +0200



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