Double Star Calculator - Results


STF 2576 FG - Astrometric and kinematic properties
Gaia Source ID - Star A          : 2035020964491479552     Simbad
Gaia Source ID - Star B          : 2035021028896869888     Simbad
Observation Epoch : J2025.491 / 2025-06-29 Angular Separation : 3.240 ± 0.0002 arcsec Position Angle : 153.06 ± 0.0041 degree
Star A/B Epoch : J2016.000 / J2016.000 Angular Separation : 3.056 < 0.0001 arcsec Position Angle : 156.74 ± 0.0003 degree Projected Separation : 64 au Spatial Separation : 5554 ± 2100 au Parallax Significance : 2.64 σ 3D Space Velocity Angle : 3.51 ± 0.07 degree ΔProper Motion Angle : 3.46 ± 0.00 degree ΔTotal Proper Motion : 9.87 ± 0.03 mas/yr ΔTangential Velocity : 1.04 ± 0.02 km/s ΔRadial Velocity : 0.64 ± 0.27 km/s ΔSpeed (scalar) : 1.10 ± 0.03 km/s ΔRelative Velocity (3D) : 2.96 ± 0.06 km/s

Aladin Lite Sky Atlas



Star A - Stellar Data
Gaia Source ID                   : 2035020964491479552           VizieR
Epoch : J2016.000 Right Ascension (RA) : 19h 45m 33.54s Declination (Dec) : 33° 36' 0.13" Distance : 20.98 ± 0.01 pc Distance : 68.42 ± 0.02 ly Magnitude (G-band) : 8.02 mag Absolute Magnitude : 6.41 ± <0.01 mag Stellar Extinction : 0.00 ± <0.01 mag Spectral Type (BP/RP) : K Bolometric correction : -0.63 mag Luminosity : 0.38 + 0.00 / − 0.00 L☉ Log(Luminosity) : -0.41773 Effective temperature (Teff) : 4665.52 + 1.19 / - 2.43 K Log(Teff) : 3.66890 Mass estimation : 0.89 M☉ RUWE : 0.94 Position Angle of Proper Motion : 178.87 ± 0.00 degree Total Proper Motion : 443.10 ± 0.02 mas/yr Tangential Velocity : 44.06 ± 0.02 km/s Radial Velocity (Simbad) : 4.06 ± 0.20 km/s Bibcode : 2002A&A...382..118T Space Velocity : 44.25 ± 0.02 km/s

Star A - Selected astrophysical parameters
DSC-Combmod binary star          :       0.00
DSC-Specmod binary star          :       0.26
Radius from GSP-Phot Aeneas      :       0.75  ±   0.00          R☉
Spectral type from ESP-ELS       :          K
Radius of the star from FLAME    :       0.75  ±   0.02          R☉
Bolometric correction            :      -0.12                    mag
Luminosity of the star (FLAME)   :       0.24  ±   0.01          L☉
Mass of the star from FLAME      :       0.75  ±   0.04          M☉
FLAME quality indicators         :         00
  Quality                        :       OK
  Source                         :       Parallax used
Evolutionary stage from FLAME    :        332      Main Sequence (mid)

Star A - Double Star Quality Metrics
Parallax over error :   2939.741 : very good
RUWE                :      0.940 : good astrometric fit (single star)
Non Single Star     :            : Single Star
Duplicated source   :      false : single source
G magnitude         :      8.023 : G > 3 mag, photometry reliable
Excess noise        :      0.105 : Very good fit
  Significance      :      6.821 :   Reliable single-star astrometry
BP-RP excess factor :      1.247 : photometry consistent
Visibility periods  :         27 : high, indicates well observed star
IPD multi-peak frac :         0% : single peak detected
IDP GoF harmonic amp:      0.007 : unobtrusive (single star source)


Star B - Stellar Data
Gaia Source ID                   : 2035021028896869888           VizieR
Epoch : J2016.000 Right Ascension (RA) : 19h 45m 33.63s Declination (Dec) : 33° 35' 57.32" Distance : 21.00 ± 0.01 pc Distance : 68.51 ± 0.02 ly Magnitude (G-band) : 8.16 mag Absolute Magnitude : 6.54 ± <0.01 mag Stellar Extinction : 0.00 ± <0.01 mag Spectral Type (BP/RP) : K Bolometric correction : -0.63 mag Luminosity : 0.34 + 0.00 / − 0.00 L☉ Log(Luminosity) : -0.46955 Effective temperature (Teff) : 4658.05 + 3.23 / -11.66 K Log(Teff) : 3.66820 Mass estimation : 0.86 M☉ RUWE : 0.96 Position Angle of Proper Motion : 175.41 ± 0.00 degree Total Proper Motion : 452.98 ± 0.02 mas/yr Tangential Velocity : 45.10 ± 0.02 km/s Radial Velocity (Simbad) : 4.70 ± 0.18 km/s Bibcode : 2002A&A...382..118T Space Velocity : 45.35 ± 0.02 km/s

Star B - Selected astrophysical parameters
DSC-Combmod binary star          :       0.00
DSC-Specmod binary star          :       0.12
Radius from GSP-Phot Aeneas      :       0.71  ±   0.00          R☉
Spectral type from ESP-ELS       :          K
Radius of the star from FLAME    :       0.71  ±   0.02          R☉
Bolometric correction            :      -0.12                    mag
Luminosity of the star (FLAME)   :       0.21  ±   0.01          L☉
Mass of the star from FLAME      :       0.75  ±   0.04          M☉
FLAME quality indicators         :         00
  Quality                        :       OK
  Source                         :       Parallax used
Evolutionary stage from FLAME    :        162      Main Sequence (early)

Star B - Double Star Quality Metrics
Parallax over error :   2892.634 : very good
RUWE                :      0.960 : good astrometric fit (single star)
Non Single Star     :            : Single Star
Duplicated source   :       true : possible close pair or data artifact
G magnitude         :      8.155 : G > 3 mag, photometry reliable
Excess noise        :      0.111 : Very good fit
  Significance      :      7.711 :   Reliable single-star astrometry
BP-RP excess factor :      1.257 : photometry consistent
Visibility periods  :         26 : high, indicates well observed star
IPD multi-peak frac :         0% : single peak detected
IDP GoF harmonic amp:      0.003 : 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)          :        0.06     (CPM)

Co-Moving

UWLE for Co-Moving Pairs (3D)      :
===================================
COMOV: Velocity Evidence Indicator :        0.70     (Strong)
COMOV: Distance Evidence Indicator :        1.00     (Strong)
Co-Moving Total Evidence Indicator :        0.84     (Strong)

rPM/COMOV Agreement                :                 (High)

Binarity

Separation, Sigma and Reliability  :
===================================
Projected Separation               :          64     au
Spatial Separation                 :        5554  ±     2100  au
  1-Sigma Range                    : [      3455,       7654] au
  Significance                     :        2.64     σ
  Note: 3D distance not significantly resolved

3D spatial distance probabilities : =================================== P(D-3D <= 128 au) : 0.0 % (2.0 * D-projected) P(D-3D <= 356 au) : 0.2 % (D-critical) P(D-3D <= 1000 au) : 1.1 % (Intermediate) P(D-3D <= 2500 au) : 6.9 % (Wide binary) P(D-3D <= 10000 au) : 98.3 % (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)          :        0.06     (CPM)
ΔRelative Velocity (3D)            :        2.96  ±  0.06   km/s

UWLE for Wide Binaries (3D)        :
===================================
WBS: Velocity Evidence Indicator   :        0.00     (Unlikely)
WBS: Distance Evidence Indicator   :        0.92     (Strong)
Binarity Total Evidence Indicator  :        0.00     (Unlikely)


UWLE for Wide Binaries (2D)        :
===================================
WBS: Velocity Evidence Indicator   :        0.88     (Strong)
WBS: Distance Evidence Indicator   :        1.00     (Strong)
Binarity Total Evidence Indicator  :        0.94     (Strong)

Orbital & Binding Dynamics         :
-----------------------------------
Est. orbital period at lower bound :      336.60            years
Escape Velocity                    :        6.96            km/s (Bound)
3D Velocity Difference             :        2.96  ±  0.06   km/s
Circular Orbital Velocity          :        4.92            km/s
Binding Indicator η                :        0.18     (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 : 0.88 (Strong) TBS: Distance Evidence Indicator : 1.00 (Strong) Binarity Total Evidence Indicator : 0.94 (Strong) Orbital & Binding Dynamics : ----------------------------------- Est. orbital period at lower bound : 336.60 years Escape Velocity : 6.96 km/s (Bound) 3D Velocity Difference : 2.96 ± 0.06 km/s Circular Orbital Velocity : 4.92 km/s Binding Indicator η : 0.18 (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]         :     -0.2626  ± 0.0088 dex
  Metallicity reliability factor A :        0.60
Metallicity Star B - [M/H]         :      0.1884  ± 0.0400 dex
  Metallicity reliability factor B :        0.50
Metallicity Difference             :      0.4510           dex
Combined uncertainty               :      0.2139           dex
Sigma-Distance (Z-Score)           :      2.11 σ
  Compatibility                    :  Marginal (possible agreement)

Note: For close visual binaries (<5"), Gaia DR3 GSP-Phot metallicities
should be treated with caution due to possible BP/RP spectral contamination.

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) :  0.94 : Zero
RUWE probability for a binary system (Star B) :  0.96 : 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      2.693    0.003     227.444    0.057
1901.0      2.678    0.003     226.912    0.057
1902.0      2.664    0.003     226.375    0.057
1903.0      2.650    0.003     225.831    0.057
1904.0      2.637    0.003     225.282    0.057
1905.0      2.623    0.003     224.728    0.056
1906.0      2.610    0.003     224.168    0.056
1907.0      2.597    0.003     223.602    0.056
1908.0      2.584    0.003     223.030    0.056
1909.0      2.572    0.003     222.453    0.056
1910.0      2.560    0.003     221.870    0.056
1911.0      2.548    0.003     221.282    0.055
1912.0      2.536    0.003     220.689    0.055
1913.0      2.525    0.003     220.090    0.055
1914.0      2.514    0.003     219.485    0.055
1915.0      2.503    0.003     218.876    0.055
1916.0      2.493    0.003     218.261    0.054
1917.0      2.483    0.002     217.641    0.054
1918.0      2.473    0.002     217.016    0.054
1919.0      2.463    0.002     216.386    0.054
1920.0      2.454    0.002     215.751    0.053
1921.0      2.445    0.002     215.112    0.053
1922.0      2.436    0.002     214.467    0.053
1923.0      2.428    0.002     213.819    0.052
1924.0      2.419    0.002     213.165    0.052
1925.0      2.412    0.002     212.508    0.052
1926.0      2.404    0.002     211.846    0.051
1927.0      2.397    0.002     211.181    0.051
1928.0      2.390    0.002     210.511    0.051
1929.0      2.384    0.002     209.838    0.050
1930.0      2.378    0.002     209.161    0.050
1931.0      2.372    0.002     208.481    0.050
1932.0      2.366    0.002     207.797    0.049
1933.0      2.361    0.002     207.111    0.049
1934.0      2.357    0.002     206.421    0.048
1935.0      2.352    0.002     205.729    0.048
1936.0      2.348    0.002     205.034    0.047
1937.0      2.344    0.002     204.337    0.047
1938.0      2.341    0.002     203.638    0.046
1939.0      2.338    0.002     202.937    0.046
1940.0      2.335    0.002     202.234    0.045
1941.0      2.333    0.002     201.530    0.045
1942.0      2.331    0.002     200.824    0.044
1943.0      2.329    0.002     200.117    0.044
1944.0      2.328    0.002     199.410    0.043
1945.0      2.327    0.002     198.701    0.043
1946.0      2.326    0.002     197.992    0.042
1947.0      2.326    0.002     197.283    0.042
1948.0      2.326    0.002     196.574    0.041
1949.0      2.327    0.002     195.865    0.041
1950.0      2.327    0.002     195.157    0.040
1951.0      2.329    0.002     194.449    0.039
1952.0      2.330    0.002     193.742    0.039
1953.0      2.332    0.002     193.036    0.038
1954.0      2.334    0.002     192.331    0.038
1955.0      2.337    0.002     191.627    0.037
1956.0      2.340    0.002     190.926    0.036
1957.0      2.343    0.001     190.226    0.036
1958.0      2.347    0.001     189.528    0.035
1959.0      2.351    0.001     188.833    0.034
1960.0      2.355    0.001     188.140    0.034
1961.0      2.360    0.001     187.450    0.033
1962.0      2.365    0.001     186.762    0.032
1963.0      2.370    0.001     186.078    0.032
1964.0      2.376    0.001     185.397    0.031
1965.0      2.382    0.001     184.719    0.030
1966.0      2.388    0.001     184.044    0.030
1967.0      2.395    0.001     183.374    0.029
1968.0      2.402    0.001     182.707    0.028
1969.0      2.410    0.001     182.044    0.028
1970.0      2.417    0.001     181.385    0.027
1971.0      2.425    0.001     180.731    0.026
1972.0      2.434    0.001     180.081    0.026
1973.0      2.442    0.001     179.435    0.025
1974.0      2.451    0.001     178.794    0.024
1975.0      2.460    0.001     178.158    0.024
1976.0      2.470    0.001     177.526    0.023
1977.0      2.480    0.001     176.900    0.022
1978.0      2.490    0.001     176.278    0.022
1979.0      2.500    0.001     175.662    0.021
1980.0      2.511    0.001     175.051    0.020
1981.0      2.522    0.001     174.445    0.020
1982.0      2.533    0.001     173.844    0.019
1983.0      2.545    0.001     173.249    0.018
1984.0      2.557    0.001     172.659    0.018
1985.0      2.569    0.001     172.075    0.017
1986.0      2.581    0.001     171.496    0.016
1987.0      2.594    0.001     170.923    0.016
1988.0      2.606    0.001     170.356    0.015
1989.0      2.620    0.001     169.794    0.015
1990.0      2.633    0.001     169.237    0.014
1991.0      2.647    0.001     168.687    0.013
1992.0      2.660    0.001     168.142    0.013
1993.0      2.675    0.001     167.602    0.012
1994.0      2.689    0.001     167.069    0.012
1995.0      2.703    0.001     166.541    0.011
1996.0      2.718    0.001     166.019    0.010
1997.0      2.733    0.000     165.502    0.010
1998.0      2.748    0.000     164.991    0.009
1999.0      2.764    0.000     164.486    0.009
2000.0      2.780    0.000     163.987    0.008
2001.0      2.795    0.000     163.493    0.008
2002.0      2.811    0.000     163.005    0.007
2003.0      2.828    0.000     162.522    0.006
2004.0      2.844    0.000     162.045    0.006
2005.0      2.861    0.000     161.573    0.005
2006.0      2.878    0.000     161.107    0.005
2007.0      2.895    0.000     160.647    0.004
2008.0      2.912    0.000     160.191    0.004
2009.0      2.929    0.000     159.742    0.003
2010.0      2.947    0.000     159.297    0.003
2011.0      2.965    0.000     158.858    0.002
2012.0      2.983    0.000     158.424    0.002
2013.0      3.001    0.000     157.995    0.001
2014.0      3.019    0.000     157.572    0.001
2015.0      3.038    0.000     157.153    0.001
2016.0      3.056    0.000     156.740    0.000
2017.0      3.075    0.000     156.332    0.001
2018.0      3.094    0.000     155.928    0.001
2019.0      3.113    0.000     155.530    0.001
2020.0      3.132    0.000     155.136    0.002
2021.0      3.151    0.000     154.747    0.002
2022.0      3.171    0.000     154.363    0.003
2023.0      3.191    0.000     153.984    0.003
2024.0      3.210    0.000     153.610    0.003
2025.0      3.230    0.000     153.239    0.004
2026.0      3.250    0.000     152.874    0.004
2027.0      3.270    0.000     152.513    0.005
2028.0      3.291    0.000     152.156    0.005
2029.0      3.311    0.000     151.804    0.005
2030.0      3.332    0.000     151.456    0.006
2031.0      3.352    0.000     151.113    0.006
2032.0      3.373    0.000     150.773    0.007
2033.0      3.394    0.000     150.438    0.007
2034.0      3.415    0.000     150.107    0.007
2035.0      3.436    0.000     149.780    0.008
2036.0      3.458    0.001     149.457    0.008
2037.0      3.479    0.001     149.138    0.008
2038.0      3.500    0.001     148.823    0.009
2039.0      3.522    0.001     148.512    0.009
2040.0      3.544    0.001     148.204    0.009
2041.0      3.565    0.001     147.901    0.010
2042.0      3.587    0.001     147.601    0.010
2043.0      3.609    0.001     147.304    0.010
2044.0      3.631    0.001     147.011    0.011
2045.0      3.653    0.001     146.722    0.011
2046.0      3.676    0.001     146.436    0.011
2047.0      3.698    0.001     146.154    0.011
2048.0      3.721    0.001     145.875    0.012
2049.0      3.743    0.001     145.599    0.012
2050.0      3.766    0.001     145.327    0.012
2051.0      3.788    0.001     145.058    0.013
2052.0      3.811    0.001     144.792    0.013
2053.0      3.834    0.001     144.530    0.013
2054.0      3.857    0.001     144.270    0.013
2055.0      3.880    0.001     144.014    0.014
2056.0      3.903    0.001     143.760    0.014
2057.0      3.926    0.001     143.510    0.014
2058.0      3.949    0.001     143.262    0.014
2059.0      3.973    0.001     143.018    0.015
2060.0      3.996    0.001     142.776    0.015
2061.0      4.020    0.001     142.537    0.015
2062.0      4.043    0.001     142.301    0.015
2063.0      4.067    0.001     142.067    0.016
2064.0      4.090    0.001     141.837    0.016
2065.0      4.114    0.001     141.608    0.016
2066.0      4.138    0.001     141.383    0.016
2067.0      4.162    0.001     141.160    0.017
2068.0      4.186    0.001     140.940    0.017
2069.0      4.210    0.001     140.722    0.017
2070.0      4.234    0.001     140.507    0.017
2071.0      4.258    0.001     140.294    0.017
2072.0      4.282    0.001     140.083    0.018
2073.0      4.306    0.001     139.875    0.018
2074.0      4.330    0.001     139.669    0.018
2075.0      4.355    0.001     139.466    0.018
2076.0      4.379    0.002     139.264    0.018
2077.0      4.403    0.002     139.065    0.019
2078.0      4.428    0.002     138.868    0.019
2079.0      4.452    0.002     138.674    0.019
2080.0      4.477    0.002     138.481    0.019
2081.0      4.502    0.002     138.291    0.019
2082.0      4.526    0.002     138.102    0.020
2083.0      4.551    0.002     137.916    0.020
2084.0      4.576    0.002     137.732    0.020
2085.0      4.601    0.002     137.549    0.020
2086.0      4.625    0.002     137.369    0.020
2087.0      4.650    0.002     137.190    0.020
2088.0      4.675    0.002     137.014    0.021
2089.0      4.700    0.002     136.839    0.021
2090.0      4.725    0.002     136.666    0.021
2091.0      4.750    0.002     136.495    0.021
2092.0      4.776    0.002     136.326    0.021
2093.0      4.801    0.002     136.159    0.021
2094.0      4.826    0.002     135.993    0.022
2095.0      4.851    0.002     135.829    0.022
2096.0      4.877    0.002     135.667    0.022
2097.0      4.902    0.002     135.506    0.022
2098.0      4.927    0.002     135.347    0.022
2099.0      4.953    0.002     135.190    0.022
2100.0      4.978    0.002     135.034    0.022




Measurements for STF 2576 FG
 
WDS ID      Discovr     Comp  #    Sep      PA       Epoch      Obs  Telescope     Camera    Note
-------------------------------------------------------------------------------------------------
19464+3344  STF 2576    FG    1    3.24"    154.0°   B2025.493  HWI  120/900 APO   ASI678MM  

-- Image of STF-2576-FG-taken with Equinox 120/900 APO --


WDS record for STF 2576 FG
wds_id                       : 19464+3344
discoverer_code              : STF
discoverer_number            : 2576
discoverer_components        : FG
date_first                   : 1828
date_last                    : 2023
num_of_obs                   : 490
pa_first                     : 144
pa_last                      : 155
sep_first                    : 2.8
sep_last                     : 3.1
mag_primary                  : 8.47
mag_secondary                : 8.58
spectral_type                : K5V+K5V
primary_proper_motion_RA     : 9
primary_proper_motion_DEC    : -443
secondary_proper_motion_RA   : 36
secondary_proper_motion_DEC  : -452
dm_number                    : +33 3582
notes                        : NO T
precise_coordinate           : 194533.53+333607.1
                             : 19:45:33.53 +33:36:07.1

WDS Notes:
----------
N: Notes found in WDSNOT MEMO of WDS
O: Orbit described in WDSNOT MEMO and has entry in Orbit Catalog
T: Similar parallax/proper motion: physical


Orbital Elements for STF 2576 FG
WDS: STF 2576 FG WDS ID/Discoverer
P: 232.000 Orbital period (years)
a: 2.07 Semi-major axis (arcseconds)
i: 156.0 Inclination (degrees)
Ω: 91.0 Longitude of ascending node (degrees)
T: 1945.300 Epoch of periastron passage (year)
e: 0.77 Eccentricity
ω: 128.0 Argument of periastron (degrees)
Start-Year: 1909.000 Year
End-Year: 2141.000 Year
Epoch: 2025.49 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for STF 2576 FG
Position: 194533.53+333607.1 Epoch-2000 right ascension and declination
WDS-ID: 19464+3344 WDS designation
Discoverer Code: STF 2576 FG Discover designation and components
ADS number: 12889 Aitken Double Star catalog
HD number: 186858 HD catalog number
Hipparcos number: 97222 Hipparcos catalog number
V1: 8.47 Magnitude of the primary
V2: 8.58 Magnitude of the secondary
Equinox: 2000 Equinox
Date: Date of last observation
Orbit grade: 2 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
8 = Interferometric
9 = Astrometric
Flags: n Flags
Ephemerides: Ephemerides
Code: Sod1999 Reference

Double Star Orbit for STF 2576 FG



WDS 6th Orbit including measures of STF 2576 FG

-- 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 2576 FG
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.49    3.184   152.74
--------------------------
1909.00    2.322   107.75
1910.00    2.286   107.02
1911.00    2.249   106.26
1912.00    2.211   105.48
1913.00    2.173   104.68
1914.00    2.133   103.84
1915.00    2.092   102.97
1916.00    2.051   102.07
1917.00    2.008   101.13
1918.00    1.965   100.15
1919.00    1.920    99.12
1920.00    1.874    98.04
1921.00    1.828    96.91
1922.00    1.779    95.72
1923.00    1.730    94.46
1924.00    1.679    93.13
1925.00    1.628    91.71
1926.00    1.574    90.20
1927.00    1.519    88.58
1928.00    1.463    86.83
1929.00    1.405    84.95
1930.00    1.346    82.90
1931.00    1.284    80.66
1932.00    1.221    78.19
1933.00    1.157    75.45
1934.00    1.090    72.37
1935.00    1.022    68.90
1936.00    0.952    64.91
1937.00    0.880    60.29
1938.00    0.808    54.84
1939.00    0.735    48.31
1940.00    0.663    40.36
1941.00    0.595    30.53
1942.00    0.533    18.28
1943.00    0.484     3.19
1944.00    0.454   345.44
1945.00    0.448   326.22
1946.00    0.465   307.49
1947.00    0.501   290.78
1948.00    0.548   276.63
1949.00    0.601   264.85
1950.00    0.658   255.05
1951.00    0.716   246.82
1952.00    0.774   239.83
1953.00    0.833   233.82
1954.00    0.891   228.60
1955.00    0.948   224.01
1956.00    1.004   219.93
1957.00    1.059   216.29
1958.00    1.113   213.00
1959.00    1.167   210.02
1960.00    1.219   207.29
1961.00    1.270   204.79
1962.00    1.321   202.48
1963.00    1.370   200.34
1964.00    1.419   198.35
1965.00    1.466   196.49
1966.00    1.513   194.74
1967.00    1.559   193.10
1968.00    1.604   191.55
1969.00    1.648   190.08
1970.00    1.691   188.69
1971.00    1.734   187.37
1972.00    1.776   186.11
1973.00    1.817   184.91
1974.00    1.857   183.76
1975.00    1.896   182.66
1976.00    1.935   181.60
1977.00    1.973   180.59
1978.00    2.011   179.61
1979.00    2.047   178.67
1980.00    2.084   177.76
1981.00    2.119   176.88
1982.00    2.154   176.04
1983.00    2.188   175.21
1984.00    2.222   174.42
1985.00    2.255   173.64
1986.00    2.287   172.89
1987.00    2.319   172.16
1988.00    2.351   171.45
1989.00    2.381   170.76
1990.00    2.412   170.08
1991.00    2.441   169.42
1992.00    2.471   168.78
1993.00    2.499   168.15
1994.00    2.527   167.54
1995.00    2.555   166.94
1996.00    2.582   166.35
1997.00    2.609   165.78
1998.00    2.635   165.21
1999.00    2.661   164.66
2000.00    2.686   164.12
2001.00    2.711   163.59
2002.00    2.735   163.06
2003.00    2.759   162.55
2004.00    2.782   162.05
2005.00    2.805   161.55
2006.00    2.828   161.06
2007.00    2.850   160.58
2008.00    2.871   160.11
2009.00    2.893   159.64
2010.00    2.913   159.18
2011.00    2.934   158.73
2012.00    2.954   158.28
2013.00    2.973   157.84
2014.00    2.992   157.40
2015.00    3.011   156.97
2016.00    3.030   156.55
2017.00    3.047   156.13
2018.00    3.065   155.71
2019.00    3.082   155.30
2020.00    3.099   154.90
2021.00    3.115   154.49
2022.00    3.131   154.10
2023.00    3.147   153.70
2024.00    3.162   153.31
2025.00    3.177   152.93
2026.00    3.191   152.55
2027.00    3.205   152.17
2028.00    3.219   151.79
2029.00    3.232   151.42
2030.00    3.245   151.05
2031.00    3.258   150.68
2032.00    3.270   150.32
2033.00    3.282   149.96
2034.00    3.294   149.60
2035.00    3.305   149.24
2036.00    3.315   148.89
2037.00    3.326   148.54
2038.00    3.336   148.19
2039.00    3.346   147.84
2040.00    3.355   147.50
2041.00    3.364   147.15
2042.00    3.373   146.81
2043.00    3.381   146.47
2044.00    3.389   146.13
2045.00    3.396   145.80
2046.00    3.404   145.46
2047.00    3.410   145.13
2048.00    3.417   144.80
2049.00    3.423   144.46
2050.00    3.429   144.13
2051.00    3.434   143.81
2052.00    3.440   143.48
2053.00    3.444   143.15
2054.00    3.449   142.82
2055.00    3.453   142.50
2056.00    3.457   142.17
2057.00    3.460   141.85
2058.00    3.463   141.53
2059.00    3.466   141.20
2060.00    3.468   140.88
2061.00    3.470   140.56
2062.00    3.472   140.24
2063.00    3.473   139.92
2064.00    3.474   139.59
2065.00    3.475   139.27
2066.00    3.475   138.95
2067.00    3.475   138.63
2068.00    3.474   138.31
2069.00    3.473   137.99
2070.00    3.472   137.67
2071.00    3.471   137.35
2072.00    3.469   137.02
2073.00    3.467   136.70
2074.00    3.464   136.38
2075.00    3.461   136.06
2076.00    3.458   135.73
2077.00    3.454   135.41
2078.00    3.450   135.08
2079.00    3.446   134.76
2080.00    3.441   134.43
2081.00    3.436   134.10
2082.00    3.430   133.77
2083.00    3.424   133.44
2084.00    3.418   133.11
2085.00    3.411   132.78
2086.00    3.404   132.45
2087.00    3.397   132.11
2088.00    3.389   131.77
2089.00    3.381   131.44
2090.00    3.372   131.10
2091.00    3.363   130.75
2092.00    3.354   130.41
2093.00    3.344   130.06
2094.00    3.334   129.72
2095.00    3.324   129.37
2096.00    3.313   129.02
2097.00    3.302   128.66
2098.00    3.290   128.30
2099.00    3.278   127.95
2100.00    3.265   127.58
2101.00    3.252   127.22
2102.00    3.239   126.85
2103.00    3.225   126.48
2104.00    3.211   126.10
2105.00    3.196   125.73
2106.00    3.181   125.35
2107.00    3.165   124.96
2108.00    3.149   124.57
2109.00    3.133   124.18
2110.00    3.116   123.78
2111.00    3.098   123.38
2112.00    3.080   122.97
2113.00    3.062   122.56
2114.00    3.043   122.15
2115.00    3.024   121.73
2116.00    3.004   121.30
2117.00    2.984   120.87
2118.00    2.963   120.43
2119.00    2.942   119.99
2120.00    2.920   119.53
2121.00    2.897   119.08
2122.00    2.874   118.61
2123.00    2.851   118.14
2124.00    2.827   117.66
2125.00    2.802   117.17
2126.00    2.777   116.67
2127.00    2.751   116.16
2128.00    2.725   115.65
2129.00    2.698   115.12
2130.00    2.670   114.58
2131.00    2.642   114.03
2132.00    2.613   113.47
2133.00    2.584   112.90
2134.00    2.554   112.31
2135.00    2.523   111.71
2136.00    2.491   111.09
2137.00    2.459   110.46
2138.00    2.426   109.81
2139.00    2.392   109.14
2140.00    2.358   108.45
2141.00    2.322   107.75


Parsed GAIA Input Data
Click to expand/collapse the Gaia Input Data:
Star A - gaiadr3.gaia_source
solution_id = 1636148068921376768
designation = Gaia DR3 2035020964491479552
source_id = 2035020964491479552
random_index = 786219004
ref_epoch = 2016.0
ra = 296.38974173757515
ra_error = 0.012847651
dec = 33.60003558627211
dec_error = 0.013670013
parallax = 47.67111290338257
parallax_error = 0.016216096
parallax_over_error = 2939.7405
pm = 443.10342
pmra = 8.756960305052942
pmra_error = 0.017202191
pmdec = -443.0168929625007
pmdec_error = 0.017631514
ra_dec_corr = -0.06732008
ra_parallax_corr = -0.16190074
ra_pmra_corr = -0.1371445
ra_pmdec_corr = 0.08035425
dec_parallax_corr = 0.04919687
dec_pmra_corr = 0.0741212
dec_pmdec_corr = -0.22653857
parallax_pmra_corr = -0.0030972497
parallax_pmdec_corr = -0.055578746
pmra_pmdec_corr = -0.04877665
astrometric_n_obs_al = 438
astrometric_n_obs_ac = 438
astrometric_n_good_obs_al = 438
astrometric_n_bad_obs_al = 0
astrometric_gof_al = -1.7997055
astrometric_chi2_al = 788.59015
astrometric_excess_noise = 0.10497327
astrometric_excess_noise_sig = 6.8210692
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.4748775
astrometric_matched_transits = 50
visibility_periods_used = 27
astrometric_sigma5d_max = 0.02508824
matched_transits = 53
new_matched_transits = 21
matched_transits_removed = 2
ipd_gof_harmonic_amplitude = 0.0067368825
ipd_gof_harmonic_phase = 3.5408158
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 0.9387173
duplicated_source = false
phot_g_n_obs = 439
phot_g_mean_flux = 11634049.710125316
phot_g_mean_flux_error = 2693.5955
phot_g_mean_flux_over_error = 4319.1523
phot_g_mean_mag = 8.02304
phot_bp_n_obs = 40
phot_bp_mean_flux = 5254613.845956948
phot_bp_mean_flux_error = 6293.06
phot_bp_mean_flux_over_error = 834.9855
phot_bp_mean_mag = 8.53719
phot_rp_n_obs = 40
phot_rp_mean_flux = 9257680.381568836
phot_rp_mean_flux_error = 13982.803
phot_rp_mean_flux_over_error = 662.0762
phot_rp_mean_mag = 7.3316402
phot_bp_rp_excess_factor = 1.2473984
phot_bp_n_contaminated_transits = 10
phot_bp_n_blended_transits = 14
phot_rp_n_contaminated_transits = 7
phot_rp_n_blended_transits = 16
phot_proc_mode = 0
bp_rp = 1.2055502
bp_g = 0.5141506
g_rp = 0.6913996
phot_variable_flag = NOT_AVAILABLE
l = 68.60699883521508
b = 4.525713141084243
ecl_lon = 308.5596244984353
ecl_lat = 53.563730689351075
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 = 1.3750302e-13
classprob_dsc_combmod_galaxy = 6.868207e-13
classprob_dsc_combmod_star = 0.99648726
teff_gspphot = 4665.525
teff_gspphot_lower = 4663.0947
teff_gspphot_upper = 4666.716
logg_gspphot = 4.5419
logg_gspphot_lower = 4.5396
logg_gspphot_upper = 4.5431
mh_gspphot = -0.2626
mh_gspphot_lower = -0.2724
mh_gspphot_upper = -0.2547
distance_gspphot = 20.976
distance_gspphot_lower = 20.9641
distance_gspphot_upper = 21.0238
azero_gspphot = 0.0
azero_gspphot_lower = 0.0
azero_gspphot_upper = 0.0002
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
radial_velocity = 4.06
radial_velocity_error = 0.2
    Star B - gaiadr3.gaia_source
solution_id = 1636148068921376768
designation = Gaia DR3 2035021028896869888
source_id = 2035021028896869888
random_index = 1091573076
ref_epoch = 2016.0
ra = 296.3901442292474
ra_error = 0.012854058
dec = 33.599255652596426
dec_error = 0.014184107
parallax = 47.61000095060265
parallax_error = 0.01645905
parallax_over_error = 2892.6338
pm = 452.97562
pmra = 36.26412964531748
pmra_error = 0.01787621
pmdec = -451.5216598406904
pmdec_error = 0.017973533
ra_dec_corr = -0.07784328
ra_parallax_corr = -0.1157805
ra_pmra_corr = -0.068620615
ra_pmdec_corr = 0.10628227
dec_parallax_corr = 0.04243369
dec_pmra_corr = 0.10071669
dec_pmdec_corr = -0.20596434
parallax_pmra_corr = -0.02495904
parallax_pmdec_corr = -0.04093045
pmra_pmdec_corr = -0.00023777373
astrometric_n_obs_al = 431
astrometric_n_obs_ac = 431
astrometric_n_good_obs_al = 431
astrometric_n_bad_obs_al = 0
astrometric_gof_al = -1.133892
astrometric_chi2_al = 803.7201
astrometric_excess_noise = 0.11080955
astrometric_excess_noise_sig = 7.7114754
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.4660364
astrometric_matched_transits = 49
visibility_periods_used = 26
astrometric_sigma5d_max = 0.025201164
matched_transits = 52
new_matched_transits = 20
matched_transits_removed = 3
ipd_gof_harmonic_amplitude = 0.0026253336
ipd_gof_harmonic_phase = 68.09097
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 0.96063393
duplicated_source = true
phot_g_n_obs = 419
phot_g_mean_flux = 10298037.063418576
phot_g_mean_flux_error = 2001.6526
phot_g_mean_flux_over_error = 5144.7676
phot_g_mean_mag = 8.15548
phot_bp_n_obs = 34
phot_bp_mean_flux = 4566625.199957398
phot_bp_mean_flux_error = 5997.79
phot_bp_mean_flux_over_error = 761.38464
phot_bp_mean_mag = 8.689554
phot_rp_n_obs = 33
phot_rp_mean_flux = 8375692.295306518
phot_rp_mean_flux_error = 11846.224
phot_rp_mean_flux_over_error = 707.0348
phot_rp_mean_mag = 7.440344
phot_bp_rp_excess_factor = 1.2567751
phot_bp_n_contaminated_transits = 0
phot_bp_n_blended_transits = 34
phot_rp_n_contaminated_transits = 0
phot_rp_n_blended_transits = 33
phot_proc_mode = 0
bp_rp = 1.2492104
bp_g = 0.5340738
g_rp = 0.7151365
phot_variable_flag = NOT_AVAILABLE
l = 68.60648673660576
b = 4.525034853919091
ecl_lon = 308.559772452862
ecl_lat = 53.562886317478075
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 = 1.160294e-13
classprob_dsc_combmod_galaxy = 5.7956103e-13
classprob_dsc_combmod_star = 0.99861324
teff_gspphot = 4658.0493
teff_gspphot_lower = 4646.39
teff_gspphot_upper = 4661.275
logg_gspphot = 4.6194
logg_gspphot_lower = 4.6016
logg_gspphot_upper = 4.6264
mh_gspphot = 0.1884
mh_gspphot_lower = 0.1345
mh_gspphot_upper = 0.2144
distance_gspphot = 20.9426
distance_gspphot_lower = 20.9149
distance_gspphot_upper = 20.9756
azero_gspphot = 0.0001
azero_gspphot_lower = 0.0
azero_gspphot_upper = 0.0003
ag_gspphot = 0.0001
ag_gspphot_lower = 0.0
ag_gspphot_upper = 0.0003
ebpminrp_gspphot = 0.0001
ebpminrp_gspphot_lower = 0.0
ebpminrp_gspphot_upper = 0.0002
libname_gspphot = MARCS
radial_velocity = 4.7
radial_velocity_error = 0.18
- gaiadr3.astrophysical_parameters
solution_id = 1636148068921376768
source_id = 2035020964491479552
classprob_dsc_combmod_quasar = 1.3750302e-13
classprob_dsc_combmod_galaxy = 6.868207e-13
classprob_dsc_combmod_star = 0.99648726
classprob_dsc_combmod_whitedwarf = 2.6990153e-12
classprob_dsc_combmod_binarystar = 0.0035127662
classprob_dsc_specmod_quasar = 0.0
classprob_dsc_specmod_galaxy = 0.0
classprob_dsc_specmod_star = 0.73935795
classprob_dsc_specmod_whitedwarf = 0.0
classprob_dsc_specmod_binarystar = 0.26064208
classprob_dsc_allosmod_quasar = 0.0
classprob_dsc_allosmod_galaxy = 0.0
classprob_dsc_allosmod_star = 1.0
teff_gspphot = 4665.525
teff_gspphot_lower = 4663.0947
teff_gspphot_upper = 4666.716
logg_gspphot = 4.5419
logg_gspphot_lower = 4.5396
logg_gspphot_upper = 4.5431
mh_gspphot = -0.2626
mh_gspphot_lower = -0.2724
mh_gspphot_upper = -0.2547
distance_gspphot = 20.976
distance_gspphot_lower = 20.9641
distance_gspphot_upper = 21.0238
azero_gspphot = 0.0
azero_gspphot_lower = 0.0
azero_gspphot_upper = 0.0002
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 = 0.0002
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 = 6.4058
mg_gspphot_lower = 6.4011
mg_gspphot_upper = 6.407
radius_gspphot = 0.749
radius_gspphot_lower = 0.7481
radius_gspphot_upper = 0.7517
logposterior_gspphot = -5049.349
mcmcaccept_gspphot = 0.3973041
libname_gspphot = MARCS
teff_gspspec = 4897.0
teff_gspspec_lower = 4891.0
teff_gspspec_upper = 4907.0
logg_gspspec = 4.74
logg_gspspec_lower = 4.73
logg_gspspec_upper = 4.76
mh_gspspec = -0.28
mh_gspspec_lower = -0.29
mh_gspspec_upper = -0.28
alphafe_gspspec = 0.08
alphafe_gspspec_lower = 0.08
alphafe_gspspec_upper = 0.08
fem_gspspec = 0.01
fem_gspspec_lower = -0.03
fem_gspspec_upper = 0.04
fem_gspspec_nlines = 8
fem_gspspec_linescatter = 0.1
sife_gspspec = -0.08
sife_gspspec_lower = -0.13
sife_gspspec_upper = -0.03
sife_gspspec_nlines = 3
sife_gspspec_linescatter = 0.16
cafe_gspspec = 0.07
cafe_gspspec_lower = 0.07
cafe_gspspec_upper = 0.08
cafe_gspspec_nlines = 7
cafe_gspspec_linescatter = 0.02
tife_gspspec = 0.3
tife_gspspec_lower = 0.24
tife_gspspec_upper = 0.35
tife_gspspec_nlines = 3
tife_gspspec_linescatter = 0.03
mgfe_gspspec = 0.28
mgfe_gspspec_lower = 0.2
mgfe_gspspec_upper = 0.35
mgfe_gspspec_nlines = 1
mgfe_gspspec_linescatter = 0.0
dib_gspspec_lambda = 862.535
dib_gspspec_lambda_uncertainty = 0.008878929
dibew_gspspec = 0.01
dibew_gspspec_uncertainty = 0.001
dibewnoise_gspspec_uncertainty = 0.001
dibp0_gspspec = -0.0105
dibp2_gspspec = 0.3764
dibp2_gspspec_uncertainty = 0.0964
dibqf_gspspec = 5
flags_gspspec = 00000000000009920009900009900999999999995
logchisq_gspspec = -4.100843
ew_espels_halpha = -0.008149322
ew_espels_halpha_uncertainty = 0.017003262
ew_espels_halpha_flag = 1
ew_espels_halpha_model = -0.007396
flags_esphs = 93
spectraltype_esphs = K
activityindex_espcs = 0.027896235
activityindex_espcs_uncertainty = 0.00013107268
activityindex_espcs_input = M1
radius_flame = 0.746818
radius_flame_lower = 0.7299448
radius_flame_upper = 0.76369107
lum_flame = 0.23810102
lum_flame_lower = 0.23309606
lum_flame_upper = 0.24310583
mass_flame = 0.7450337
mass_flame_lower = 0.70503366
mass_flame_upper = 0.7850337
age_flame = 11.099625
age_flame_lower = 8.681536
age_flame_upper = 13.5
flags_flame = 00
evolstage_flame = 332
gravredshift_flame = 0.6038908
gravredshift_flame_lower = 0.6026528
gravredshift_flame_upper = 0.60484195
bc_flame = -0.11718412
mh_msc = -0.21841908
mh_msc_upper = 0.17133287
mh_msc_lower = -1.0
azero_msc = 0.30075634
azero_msc_upper = 0.6926068
azero_msc_lower = 0.11288458
distance_msc = 22.12371
distance_msc_upper = 23.602955
distance_msc_lower = 19.489834
teff_msc1 = 4814.4136
teff_msc1_upper = 4973.2954
teff_msc1_lower = 4589.7407
teff_msc2 = 3976.413
teff_msc2_upper = 4142.785
teff_msc2_lower = 3744.7017
logg_msc1 = 4.8053226
logg_msc1_upper = 5.1633177
logg_msc1_lower = 4.651724
logg_msc2 = 4.791044
logg_msc2_upper = 5.014185
logg_msc2_lower = 4.306878
ag_msc = 0.23065278
ag_msc_upper = 0.52482164
ag_msc_lower = 0.08988449
logposterior_msc = -42966.746
mcmcaccept_msc = 0.27221957
mcmcdrift_msc = 1.0424902
flags_msc = 1
neuron_oa_id = 202105281205440713
neuron_oa_dist = 1.6322907e-05
neuron_oa_dist_percentile_rank = 75
flags_oa = 0013
    - gaiadr3.astrophysical_parameters
solution_id = 1636148068921376768
source_id = 2035021028896869888
classprob_dsc_combmod_quasar = 1.160294e-13
classprob_dsc_combmod_galaxy = 5.7956103e-13
classprob_dsc_combmod_star = 0.99861324
classprob_dsc_combmod_whitedwarf = 2.2775145e-12
classprob_dsc_combmod_binarystar = 0.0013867696
classprob_dsc_specmod_quasar = 0.0
classprob_dsc_specmod_galaxy = 0.0
classprob_dsc_specmod_star = 0.87806064
classprob_dsc_specmod_whitedwarf = 0.0
classprob_dsc_specmod_binarystar = 0.121939324
classprob_dsc_allosmod_quasar = 0.0
classprob_dsc_allosmod_galaxy = 0.0
classprob_dsc_allosmod_star = 1.0
teff_gspphot = 4658.0493
teff_gspphot_lower = 4646.39
teff_gspphot_upper = 4661.275
logg_gspphot = 4.6194
logg_gspphot_lower = 4.6016
logg_gspphot_upper = 4.6264
mh_gspphot = 0.1884
mh_gspphot_lower = 0.1345
mh_gspphot_upper = 0.2144
distance_gspphot = 20.9426
distance_gspphot_lower = 20.9149
distance_gspphot_upper = 20.9756
azero_gspphot = 0.0001
azero_gspphot_lower = 0.0
azero_gspphot_upper = 0.0003
ag_gspphot = 0.0001
ag_gspphot_lower = 0.0
ag_gspphot_upper = 0.0003
abp_gspphot = 0.0001
abp_gspphot_lower = 0.0
abp_gspphot_upper = 0.0003
arp_gspphot = 0.0001
arp_gspphot_lower = 0.0
arp_gspphot_upper = 0.0002
ebpminrp_gspphot = 0.0001
ebpminrp_gspphot_lower = 0.0
ebpminrp_gspphot_upper = 0.0002
mg_gspphot = 6.5446
mg_gspphot_lower = 6.5411
mg_gspphot_upper = 6.5476
radius_gspphot = 0.7053
radius_gspphot_lower = 0.7038
radius_gspphot_upper = 0.7112
logposterior_gspphot = -6336.9927
mcmcaccept_gspphot = 0.37460816
libname_gspphot = MARCS
teff_gspspec = 4771.0
teff_gspspec_lower = 4761.0
teff_gspspec_upper = 4781.0
logg_gspspec = 4.68
logg_gspspec_lower = 4.66
logg_gspspec_upper = 4.7
mh_gspspec = -0.32
mh_gspspec_lower = -0.33
mh_gspspec_upper = -0.3
alphafe_gspspec = 0.1
alphafe_gspspec_lower = 0.1
alphafe_gspspec_upper = 0.11
fem_gspspec = -0.01
fem_gspspec_lower = -0.05
fem_gspspec_upper = 0.04
fem_gspspec_nlines = 8
fem_gspspec_linescatter = 0.1
sife_gspspec = -0.05
sife_gspspec_lower = -0.11
sife_gspspec_upper = 0.02
sife_gspspec_nlines = 3
sife_gspspec_linescatter = 0.09
cafe_gspspec = 0.1
cafe_gspspec_lower = 0.09
cafe_gspspec_upper = 0.11
cafe_gspspec_nlines = 7
cafe_gspspec_linescatter = 0.03
tife_gspspec = 0.23
tife_gspspec_lower = 0.16
tife_gspspec_upper = 0.28
tife_gspspec_nlines = 3
tife_gspspec_linescatter = 0.04
mgfe_gspspec = 0.17
mgfe_gspspec_lower = 0.11
mgfe_gspspec_upper = 0.31
mgfe_gspspec_nlines = 1
mgfe_gspspec_linescatter = 0.0
zrfe_gspspec = 1.25
zrfe_gspspec_lower = 1.04
zrfe_gspspec_upper = 1.47
zrfe_gspspec_nlines = 1
zrfe_gspspec_linescatter = 0.0
nife_gspspec = -0.01
nife_gspspec_lower = -0.29
nife_gspspec_upper = 0.16
nife_gspspec_nlines = 1
nife_gspspec_linescatter = 0.0
dibqf_gspspec = -1
flags_gspspec = 00000000000009920009900009900990222999999
logchisq_gspspec = -4.243439
ew_espels_halpha = -0.04197859
ew_espels_halpha_uncertainty = 0.017225431
ew_espels_halpha_flag = 1
ew_espels_halpha_model = -0.027789
flags_esphs = 93
spectraltype_esphs = K
activityindex_espcs = 0.02004399
activityindex_espcs_uncertainty = 0.00014019101
activityindex_espcs_input = M1
radius_flame = 0.7051371
radius_flame_lower = 0.6887355
radius_flame_upper = 0.7215887
lum_flame = 0.21091408
lum_flame_lower = 0.20590454
lum_flame_upper = 0.21598193
mass_flame = 0.7532872
mass_flame_lower = 0.71182424
mass_flame_upper = 0.7933831
age_flame = 4.7299156
age_flame_lower = 2.2765932
age_flame_upper = 8.510405
flags_flame = 00
evolstage_flame = 162
gravredshift_flame = 0.6791479
gravredshift_flame_lower = 0.6590065
gravredshift_flame_upper = 0.6887517
bc_flame = -0.11504583
mh_msc = -0.98156023
mh_msc_upper = -0.8264588
mh_msc_lower = -1.0
azero_msc = 0.41139722
azero_msc_upper = 0.6242293
azero_msc_lower = 0.19301474
distance_msc = 21.187887
distance_msc_upper = 21.50506
distance_msc_lower = 20.912714
teff_msc1 = 4649.5786
teff_msc1_upper = 4795.389
teff_msc1_lower = 4506.488
teff_msc2 = 3990.6968
teff_msc2_upper = 4104.9326
teff_msc2_lower = 3661.229
logg_msc1 = 4.7936325
logg_msc1_upper = 4.8831635
logg_msc1_lower = 4.7164564
logg_msc2 = 4.930948
logg_msc2_upper = 5.2
logg_msc2_lower = 4.6719346
ag_msc = 0.31566846
ag_msc_upper = 0.4684608
ag_msc_lower = 0.14600384
logposterior_msc = -5790.9175
mcmcaccept_msc = 0.26300716
mcmcdrift_msc = 0.37332338
flags_msc = 1
neuron_oa_id = 202105281205440772
neuron_oa_dist = 1.7400549e-05
neuron_oa_dist_percentile_rank = 68
flags_oa = 0023




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. This research has made use of the SIMBAD database, operated at CDS, Strasbourg, France.


Report Information
Double Star Calculator: Version 1.2 ($Rev: 2591 $)
Report created: 2026-09-09 08:39:32 +0200



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