Double Star Calculator - Results


STFA 26 AB - Astrometric and kinematic properties
Gaia Source ID - Star A          : 1511727333122255744     Simbad
Gaia Source ID - Star B          : 1511727371779512704     Simbad
Observation Epoch : J2025.329 / 2025-05-01 Angular Separation : 38.988 ± 0.0008 arcsec Position Angle : 32.67 ± 0.0012 degree
Star A/B Epoch : J2016.000 / J2016.000 Angular Separation : 38.940 ± 0.0001 arcsec Position Angle : 32.65 ± 0.0001 degree Projected Separation : 1147 au Spatial Separation : 25828 ± 15372 au Parallax Significance : 1.68 σ 3D Space Velocity Angle : 3.08 ± 2.65 degree ΔProper Motion Angle : 1.70 ± 0.03 degree ΔTotal Proper Motion : 0.98 ± 0.08 mas/yr ΔTangential Velocity : 0.24 ± 0.06 km/s ΔRadial Velocity : 1.97 ± 2.00 km/s ΔSpeed (scalar) : 1.35 ± 1.22 km/s ΔRelative Velocity (3D) : 2.11 ± 1.87 km/s

Aladin Lite Sky Atlas



Star A - Stellar Data
Gaia Source ID                   : 1511727333122255744           VizieR
Epoch : J2016.000 Right Ascension (RA) : 14h 16m 9.67s Declination (Dec) : 51° 22' 3.45" Distance : 29.51 ± 0.07 pc Distance : 96.25 ± 0.23 ly Magnitude (G-band) : 4.69 mag Absolute Magnitude : 2.34 ± 0.01 mag Stellar Extinction : 0.00 ± <0.01 mag Spectral Type (BP/RP) : A Bolometric correction : 0.00 mag Luminosity : 9.10 + 0.04 / − 0.04 L☉ Log(Luminosity) : 0.95923 Effective temperature (Teff) : 7763.68 + 3.49 / - 7.74 K Log(Teff) : 3.89007 Mass estimation : 1.73 M☉ RUWE : 0.87 Position Angle of Proper Motion : 300.84 ± 0.03 degree Total Proper Motion : 173.86 ± 0.08 mas/yr Tangential Velocity : 24.32 ± 0.06 km/s Radial Velocity (Simbad) : -18.70 ± 2.00 km/s Bibcode : 1979IAUS...30...57E Space Velocity : 30.68 ± 1.22 km/s

Star A - Selected astrophysical parameters
DSC-Combmod binary star          :       1.00
DSC-Specmod binary star          :       1.00
Radius from GSP-Phot Aeneas      :       1.72  ±   0.04          R☉
Spectral type from ESP-ELS       :          A
Radius of the star from FLAME    :       1.69  ±   0.03          R☉
Bolometric correction            :       0.02                    mag
Luminosity of the star (FLAME)   :       8.90  ±   0.07          L☉
Mass of the star from FLAME      :       1.65  ±   0.04          M☉
FLAME quality indicators         :         00
  Quality                        :       OK
  Source                         :       Parallax used
Evolutionary stage from FLAME    :        179      Main Sequence (early)

Star A - Double Star Quality Metrics
Parallax over error :    413.131 : very good
RUWE                :      0.870 : good astrometric fit (single star)
Non Single Star     :            : Single Star
Duplicated source   :      false : single source
G magnitude         :      4.692 : G > 3 mag, photometry reliable
Excess noise        :      0.642 : Good fit
  Significance      :    522.935 :   Minor noise, likely negligible
BP-RP excess factor :      1.160 : photometry consistent
Visibility periods  :         21 : high, indicates well observed star
IPD multi-peak frac :         0% : single peak detected
IDP GoF harmonic amp:      0.020 : unobtrusive (single star source)


Star B - Stellar Data
Gaia Source ID                   : 1511727371779512704           VizieR
Epoch : J2016.000 Right Ascension (RA) : 14h 16m 11.92s Declination (Dec) : 51° 22' 36.24" Distance : 29.39 ± 0.02 pc Distance : 95.84 ± 0.07 ly Magnitude (G-band) : 8.05 mag Absolute Magnitude : 5.71 ± <0.01 mag Stellar Extinction : 0.00 ± <0.01 mag Spectral Type (BP/RP) : G Bolometric correction : -0.10 mag Luminosity : 0.45 + 0.00 / − 0.00 L☉ Log(Luminosity) : -0.34611 Effective temperature (Teff) : 5090.46 +17.09 / - 4.14 K Log(Teff) : 3.70676 Mass estimation : 0.88 M☉ RUWE : 0.97 Position Angle of Proper Motion : 302.54 ± 0.01 degree Total Proper Motion : 172.88 ± 0.02 mas/yr Tangential Velocity : 24.08 ± 0.02 km/s Radial Velocity (Gaia) : -16.73 ± 0.13 km/s Space Velocity : 29.33 ± 0.08 km/s

Star B - Selected astrophysical parameters
DSC-Combmod binary star          :       0.01
DSC-Specmod binary star          :       0.41
Radius from GSP-Phot Aeneas      :       0.82  ±   0.01          R☉
Spectral type from ESP-ELS       :          G
Radius of the star from FLAME    :       0.82  ±   0.02          R☉
Bolometric correction            :      -0.01                    mag
Luminosity of the star (FLAME)   :       0.41  ±   0.01          L☉
Mass of the star from FLAME      :       0.81  ±   0.04          M☉
FLAME quality indicators         :         00
  Quality                        :       OK
  Source                         :       Parallax used
Evolutionary stage from FLAME    :        306      Main Sequence (mid)

Star B - Double Star Quality Metrics
Parallax over error :   1367.074 : very good
RUWE                :      0.970 : good astrometric fit (single star)
Non Single Star     :            : Single Star
Duplicated source   :      false : single source
G magnitude         :      8.051 : G > 3 mag, photometry reliable
Excess noise        :      0.196 : Good fit
  Significance      :     23.586 :   Minor noise, likely negligible
BP-RP excess factor :      1.219 : photometry consistent
Visibility periods  :         27 : high, indicates well observed star
IPD multi-peak frac :         0% : single peak detected
IDP GoF harmonic amp:      0.050 : 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)          :        0.03     (CPM)

Co-Moving

UWLE for Co-Moving Pairs (3D)      :
===================================
COMOV: Velocity Evidence Indicator :        0.80     (Strong)
COMOV: Distance Evidence Indicator :        0.98     (Strong)
Co-Moving Total Evidence Indicator :        0.89     (Strong)

rPM/COMOV Agreement                :                 (High)

Binarity

Separation, Sigma and Reliability  :
===================================
Projected Separation               :        1147     au
Spatial Separation                 :       25828  ±    15372  au
  1-Sigma Range                    : [     10456,      41199] au
  Significance                     :        1.68     σ
  Note: 3D distance not significantly resolved

3D spatial distance probabilities : =================================== P(D-3D <= 2293 au) : 0.9 % (2.0 * D-projected) P(D-3D <= 2500 au) : 1.1 % (Wide binary) P(D-3D <= 10000 au) : 10.3 % (Wide binary) P(D-3D <= 20000 au) : 31.5 % (Very wide binary) P(D-3D <= 50000 au) : 93.9 % (Extremely wide) P(D-3D <= 206265 au) : 100.0 % (Jacobi radius)

Proper Motion and Velocity         :
===================================
rPM (Proper Motion Ratio)          :        0.03     (CPM)
ΔRelative Velocity (3D)            :        2.11  ±  1.87   km/s

UWLE for Wide Binaries (3D)        :
===================================
WBS: Velocity Evidence Indicator   :        0.06     (Unlikely)
WBS: Distance Evidence Indicator   :        0.28     (Weak)
Binarity Total Evidence Indicator  :        0.13     (Weak)


UWLE for Wide Binaries (2D)        :
===================================
WBS: Velocity Evidence Indicator   :        0.40     (Moderate)
WBS: Distance Evidence Indicator   :        0.79     (Strong)
Binarity Total Evidence Indicator  :        0.56     (Moderate)

Orbital & Binding Dynamics         :
-----------------------------------
Est. orbital period at lower bound :    20853.80            years
Escape Velocity                    :        2.01            km/s (Barely bound)
3D Velocity Difference             :        2.11  ±  1.87   km/s
Circular Orbital Velocity          :        1.42            km/s
Binding Indicator η                :        1.10     (Unbound)
  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]         :     -0.3173  ± 0.0069 dex
  Metallicity reliability factor A :        1.00
Metallicity Star B - [M/H]         :     -0.2627  ± 0.0691 dex
  Metallicity reliability factor B :        1.00
Metallicity Difference             :      0.0546           dex
Combined uncertainty               :      0.2212           dex
Sigma-Distance (Z-Score)           :      0.25 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) :  0.87 : Zero
RUWE probability for a binary system (Star B) :  0.97 : 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     38.344    0.010      32.505    0.015
1901.0     38.349    0.010      32.507    0.014
1902.0     38.354    0.010      32.508    0.014
1903.0     38.359    0.010      32.509    0.014
1904.0     38.364    0.010      32.511    0.014
1905.0     38.369    0.010      32.512    0.014
1906.0     38.375    0.010      32.513    0.014
1907.0     38.380    0.010      32.514    0.014
1908.0     38.385    0.010      32.516    0.014
1909.0     38.390    0.010      32.517    0.013
1910.0     38.395    0.010      32.518    0.013
1911.0     38.400    0.009      32.520    0.013
1912.0     38.405    0.009      32.521    0.013
1913.0     38.411    0.009      32.522    0.013
1914.0     38.416    0.009      32.524    0.013
1915.0     38.421    0.009      32.525    0.013
1916.0     38.426    0.009      32.526    0.012
1917.0     38.431    0.009      32.528    0.012
1918.0     38.436    0.009      32.529    0.012
1919.0     38.441    0.009      32.530    0.012
1920.0     38.447    0.009      32.531    0.012
1921.0     38.452    0.009      32.533    0.012
1922.0     38.457    0.008      32.534    0.012
1923.0     38.462    0.008      32.535    0.012
1924.0     38.467    0.008      32.537    0.011
1925.0     38.472    0.008      32.538    0.011
1926.0     38.477    0.008      32.539    0.011
1927.0     38.483    0.008      32.541    0.011
1928.0     38.488    0.008      32.542    0.011
1929.0     38.493    0.008      32.543    0.011
1930.0     38.498    0.008      32.544    0.011
1931.0     38.503    0.008      32.546    0.011
1932.0     38.508    0.008      32.547    0.010
1933.0     38.513    0.008      32.548    0.010
1934.0     38.519    0.007      32.550    0.010
1935.0     38.524    0.007      32.551    0.010
1936.0     38.529    0.007      32.552    0.010
1937.0     38.534    0.007      32.554    0.010
1938.0     38.539    0.007      32.555    0.010
1939.0     38.544    0.007      32.556    0.010
1940.0     38.549    0.007      32.557    0.009
1941.0     38.555    0.007      32.559    0.009
1942.0     38.560    0.007      32.560    0.009
1943.0     38.565    0.007      32.561    0.009
1944.0     38.570    0.007      32.563    0.009
1945.0     38.575    0.006      32.564    0.009
1946.0     38.580    0.006      32.565    0.009
1947.0     38.585    0.006      32.566    0.009
1948.0     38.591    0.006      32.568    0.008
1949.0     38.596    0.006      32.569    0.008
1950.0     38.601    0.006      32.570    0.008
1951.0     38.606    0.006      32.572    0.008
1952.0     38.611    0.006      32.573    0.008
1953.0     38.616    0.006      32.574    0.008
1954.0     38.621    0.006      32.576    0.008
1955.0     38.627    0.006      32.577    0.008
1956.0     38.632    0.005      32.578    0.007
1957.0     38.637    0.005      32.579    0.007
1958.0     38.642    0.005      32.581    0.007
1959.0     38.647    0.005      32.582    0.007
1960.0     38.652    0.005      32.583    0.007
1961.0     38.657    0.005      32.585    0.007
1962.0     38.663    0.005      32.586    0.007
1963.0     38.668    0.005      32.587    0.007
1964.0     38.673    0.005      32.588    0.006
1965.0     38.678    0.005      32.590    0.006
1966.0     38.683    0.005      32.591    0.006
1967.0     38.688    0.004      32.592    0.006
1968.0     38.693    0.004      32.594    0.006
1969.0     38.699    0.004      32.595    0.006
1970.0     38.704    0.004      32.596    0.006
1971.0     38.709    0.004      32.597    0.006
1972.0     38.714    0.004      32.599    0.005
1973.0     38.719    0.004      32.600    0.005
1974.0     38.724    0.004      32.601    0.005
1975.0     38.729    0.004      32.603    0.005
1976.0     38.735    0.004      32.604    0.005
1977.0     38.740    0.004      32.605    0.005
1978.0     38.745    0.003      32.606    0.005
1979.0     38.750    0.003      32.608    0.005
1980.0     38.755    0.003      32.609    0.004
1981.0     38.760    0.003      32.610    0.004
1982.0     38.765    0.003      32.612    0.004
1983.0     38.771    0.003      32.613    0.004
1984.0     38.776    0.003      32.614    0.004
1985.0     38.781    0.003      32.615    0.004
1986.0     38.786    0.003      32.617    0.004
1987.0     38.791    0.003      32.618    0.004
1988.0     38.796    0.003      32.619    0.003
1989.0     38.801    0.002      32.620    0.003
1990.0     38.807    0.002      32.622    0.003
1991.0     38.812    0.002      32.623    0.003
1992.0     38.817    0.002      32.624    0.003
1993.0     38.822    0.002      32.626    0.003
1994.0     38.827    0.002      32.627    0.003
1995.0     38.832    0.002      32.628    0.003
1996.0     38.837    0.002      32.629    0.002
1997.0     38.843    0.002      32.631    0.002
1998.0     38.848    0.002      32.632    0.002
1999.0     38.853    0.002      32.633    0.002
2000.0     38.858    0.001      32.635    0.002
2001.0     38.863    0.001      32.636    0.002
2002.0     38.868    0.001      32.637    0.002
2003.0     38.873    0.001      32.638    0.002
2004.0     38.879    0.001      32.640    0.001
2005.0     38.884    0.001      32.641    0.001
2006.0     38.889    0.001      32.642    0.001
2007.0     38.894    0.001      32.643    0.001
2008.0     38.899    0.001      32.645    0.001
2009.0     38.904    0.001      32.646    0.001
2010.0     38.909    0.001      32.647    0.001
2011.0     38.915    0.000      32.649    0.001
2012.0     38.920    0.000      32.650    0.000
2013.0     38.925    0.000      32.651    0.000
2014.0     38.930    0.000      32.652    0.000
2015.0     38.935    0.000      32.654    0.000
2016.0     38.940    0.000      32.655    0.000
2017.0     38.945    0.000      32.656    0.000
2018.0     38.951    0.000      32.657    0.000
2019.0     38.956    0.000      32.659    0.000
2020.0     38.961    0.000      32.660    0.000
2021.0     38.966    0.000      32.661    0.001
2022.0     38.971    0.001      32.662    0.001
2023.0     38.976    0.001      32.664    0.001
2024.0     38.982    0.001      32.665    0.001
2025.0     38.987    0.001      32.666    0.001
2026.0     38.992    0.001      32.668    0.001
2027.0     38.997    0.001      32.669    0.001
2028.0     39.002    0.001      32.670    0.001
2029.0     39.007    0.001      32.671    0.002
2030.0     39.012    0.001      32.673    0.002
2031.0     39.018    0.001      32.674    0.002
2032.0     39.023    0.001      32.675    0.002
2033.0     39.028    0.002      32.676    0.002
2034.0     39.033    0.002      32.678    0.002
2035.0     39.038    0.002      32.679    0.002
2036.0     39.043    0.002      32.680    0.002
2037.0     39.048    0.002      32.681    0.003
2038.0     39.054    0.002      32.683    0.003
2039.0     39.059    0.002      32.684    0.003
2040.0     39.064    0.002      32.685    0.003
2041.0     39.069    0.002      32.687    0.003
2042.0     39.074    0.002      32.688    0.003
2043.0     39.079    0.002      32.689    0.003
2044.0     39.084    0.003      32.690    0.003
2045.0     39.090    0.003      32.692    0.004
2046.0     39.095    0.003      32.693    0.004
2047.0     39.100    0.003      32.694    0.004
2048.0     39.105    0.003      32.695    0.004
2049.0     39.110    0.003      32.697    0.004
2050.0     39.115    0.003      32.698    0.004
2051.0     39.120    0.003      32.699    0.004
2052.0     39.126    0.003      32.700    0.004
2053.0     39.131    0.003      32.702    0.005
2054.0     39.136    0.003      32.703    0.005
2055.0     39.141    0.004      32.704    0.005
2056.0     39.146    0.004      32.705    0.005
2057.0     39.151    0.004      32.707    0.005
2058.0     39.156    0.004      32.708    0.005
2059.0     39.162    0.004      32.709    0.005
2060.0     39.167    0.004      32.710    0.005
2061.0     39.172    0.004      32.712    0.006
2062.0     39.177    0.004      32.713    0.006
2063.0     39.182    0.004      32.714    0.006
2064.0     39.187    0.004      32.715    0.006
2065.0     39.192    0.004      32.717    0.006
2066.0     39.198    0.005      32.718    0.006
2067.0     39.203    0.005      32.719    0.006
2068.0     39.208    0.005      32.720    0.006
2069.0     39.213    0.005      32.722    0.006
2070.0     39.218    0.005      32.723    0.007
2071.0     39.223    0.005      32.724    0.007
2072.0     39.228    0.005      32.725    0.007
2073.0     39.234    0.005      32.727    0.007
2074.0     39.239    0.005      32.728    0.007
2075.0     39.244    0.005      32.729    0.007
2076.0     39.249    0.005      32.730    0.007
2077.0     39.254    0.006      32.732    0.007
2078.0     39.259    0.006      32.733    0.008
2079.0     39.264    0.006      32.734    0.008
2080.0     39.270    0.006      32.735    0.008
2081.0     39.275    0.006      32.737    0.008
2082.0     39.280    0.006      32.738    0.008
2083.0     39.285    0.006      32.739    0.008
2084.0     39.290    0.006      32.740    0.008
2085.0     39.295    0.006      32.742    0.008
2086.0     39.300    0.006      32.743    0.009
2087.0     39.306    0.006      32.744    0.009
2088.0     39.311    0.007      32.745    0.009
2089.0     39.316    0.007      32.747    0.009
2090.0     39.321    0.007      32.748    0.009
2091.0     39.326    0.007      32.749    0.009
2092.0     39.331    0.007      32.750    0.009
2093.0     39.336    0.007      32.752    0.009
2094.0     39.342    0.007      32.753    0.010
2095.0     39.347    0.007      32.754    0.010
2096.0     39.352    0.007      32.755    0.010
2097.0     39.357    0.007      32.757    0.010
2098.0     39.362    0.007      32.758    0.010
2099.0     39.367    0.008      32.759    0.010
2100.0     39.373    0.008      32.760    0.010




Measurements for STFA 26 AB
 
WDS ID      Discovr     Comp  #    Sep      PA       Epoch      Obs  Telescope     Camera    Note
-------------------------------------------------------------------------------------------------
14162+5122  STFA 26     AB    1    39.06"   --       B2025.334  HWI  120/900 APO   ASI678MM  CAL

-- Image of STFA-26-AB-taken with Equinox 120/900 APO --


WDS record for STFA 26 AB
wds_id                       : 14162+5122
discoverer_code              : STFA
discoverer_number            : 26
discoverer_components        : AB
date_first                   : 1779
date_last                    : 2023
num_of_obs                   : 112
pa_first                     : 37
pa_last                      : 33
sep_first                    : 37.6
sep_last                     : 38.8
mag_primary                  : 4.76
mag_secondary                : 7.39
spectral_type                : A7IV+K0V
primary_proper_motion_RA     : -149
primary_proper_motion_DEC    : 89
secondary_proper_motion_RA   : -144
secondary_proper_motion_DEC  : 92
dm_number                    : +52 1784
notes                        : NV
precise_coordinate           : 141610.07+512201.3
                             : 14:16:10.07 +51:22:01.3

WDS Notes:
----------
N: Notes found in WDSNOT MEMO of WDS
V: Proper motion or other technique: physical



Parsed GAIA Input Data
Click to expand/collapse the Gaia Input Data:
Star A - gaiadr3.gaia_source
solution_id = 1636148068921376768
designation = Gaia DR3 1511727333122255744
source_id = 1511727333122255744
random_index = 61270311
ref_epoch = 2016.0
ra = 214.0403113385615
ra_error = 0.059439663
dec = 51.367626355117125
dec_error = 0.07446079
parallax = 33.88557592210041
parallax_error = 0.08202134
parallax_over_error = 413.13123
pm = 173.86418
pmra = -149.27736995149468
pmra_error = 0.07721547
pmdec = 89.13483921725486
pmdec_error = 0.09007942
ra_dec_corr = 0.0888534
ra_parallax_corr = 0.013935679
ra_pmra_corr = 0.03284532
ra_pmdec_corr = 0.10904534
dec_parallax_corr = -0.058102515
dec_pmra_corr = 0.12078454
dec_pmdec_corr = 0.3990491
parallax_pmra_corr = -0.06965056
parallax_pmdec_corr = -0.34929973
pmra_pmdec_corr = 0.0673879
astrometric_n_obs_al = 227
astrometric_n_obs_ac = 227
astrometric_n_good_obs_al = 222
astrometric_n_bad_obs_al = 5
astrometric_gof_al = -2.8396678
astrometric_chi2_al = 14907.9795
astrometric_excess_noise = 0.64207935
astrometric_excess_noise_sig = 522.9353
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.6823466
astrometric_matched_transits = 26
visibility_periods_used = 21
astrometric_sigma5d_max = 0.13214868
matched_transits = 39
new_matched_transits = 9
matched_transits_removed = 15
ipd_gof_harmonic_amplitude = 0.020277712
ipd_gof_harmonic_phase = 88.9931
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 0.8653726
duplicated_source = false
phot_g_n_obs = 326
phot_g_mean_flux = 250132012.54698753
phot_g_mean_flux_error = 251881.06
phot_g_mean_flux_over_error = 993.056
phot_g_mean_mag = 4.6919436
phot_bp_n_obs = 38
phot_bp_mean_flux = 164082328.98602706
phot_bp_mean_flux_error = 162573.05
phot_bp_mean_flux_over_error = 1009.2837
phot_bp_mean_mag = 4.8008876
phot_rp_n_obs = 36
phot_rp_mean_flux = 126146667.00533372
phot_rp_mean_flux_error = 193116.83
phot_rp_mean_flux_over_error = 653.2143
phot_rp_mean_mag = 4.495706
phot_bp_rp_excess_factor = 1.1603032
phot_bp_n_contaminated_transits = 0
phot_bp_n_blended_transits = 0
phot_rp_n_contaminated_transits = 0
phot_rp_n_blended_transits = 0
phot_proc_mode = 0
bp_rp = 0.3051815
bp_g = 0.10894394
g_rp = 0.19623756
phot_variable_flag = NOT_AVAILABLE
l = 95.23873512895705
b = 60.96246157219055
ecl_lon = 181.09753620235512
ecl_lat = 58.83966614024537
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 = false
has_mcmc_msc = true
in_andromeda_survey = false
classprob_dsc_combmod_quasar = 1.0203268e-11
classprob_dsc_combmod_galaxy = 5.0964812e-11
classprob_dsc_combmod_star = 1.0001014e-06
teff_gspphot = 7763.679
teff_gspphot_lower = 7755.9346
teff_gspphot_upper = 7767.1665
logg_gspphot = 4.1429
logg_gspphot_lower = 4.1188
logg_gspphot_upper = 4.1524
mh_gspphot = -0.3173
mh_gspphot_lower = -0.3257
mh_gspphot_upper = -0.3119
distance_gspphot = 29.8633
distance_gspphot_lower = 29.5175
distance_gspphot_upper = 30.8347
azero_gspphot = 0.0001
azero_gspphot_lower = 0.0
azero_gspphot_upper = 0.0005
ag_gspphot = 0.0001
ag_gspphot_lower = 0.0
ag_gspphot_upper = 0.0004
ebpminrp_gspphot = 0.0
ebpminrp_gspphot_lower = 0.0
ebpminrp_gspphot_upper = 0.0003
libname_gspphot = PHOENIX
radial_velocity = -18.7
radial_velocity_error = 2.0
    Star B - gaiadr3.gaia_source
solution_id = 1636148068921376768
designation = Gaia DR3 1511727371779512704
source_id = 1511727371779512704
random_index = 950450344
ref_epoch = 2016.0
ra = 214.0496617254159
ra_error = 0.020016298
dec = 51.376733005431596
dec_error = 0.021876141
parallax = 34.029822609267875
parallax_error = 0.02489245
parallax_over_error = 1367.0741
pm = 172.87943
pmra = -145.73380777311306
pmra_error = 0.02364401
pmdec = 92.99974796193554
pmdec_error = 0.027045159
ra_dec_corr = 0.2149111
ra_parallax_corr = -0.023944592
ra_pmra_corr = 0.043340504
ra_pmdec_corr = 0.061376907
dec_parallax_corr = 0.07515528
dec_pmra_corr = -0.005696304
dec_pmdec_corr = 0.017822009
parallax_pmra_corr = -0.11579496
parallax_pmdec_corr = -0.18072706
pmra_pmdec_corr = 0.1480297
astrometric_n_obs_al = 326
astrometric_n_obs_ac = 326
astrometric_n_good_obs_al = 322
astrometric_n_bad_obs_al = 4
astrometric_gof_al = -0.804595
astrometric_chi2_al = 947.5124
astrometric_excess_noise = 0.19574097
astrometric_excess_noise_sig = 23.586021
astrometric_params_solved = 95
astrometric_primary_flag = false
pseudocolour = 1.537168
pseudocolour_error = 0.007084736
ra_pseudocolour_corr = -0.30074486
dec_pseudocolour_corr = -0.130896
parallax_pseudocolour_corr = 0.025390118
pmra_pseudocolour_corr = 0.05235566
pmdec_pseudocolour_corr = -0.16929506
astrometric_matched_transits = 37
visibility_periods_used = 27
astrometric_sigma5d_max = 0.038667772
matched_transits = 52
new_matched_transits = 52
matched_transits_removed = 0
ipd_gof_harmonic_amplitude = 0.05029662
ipd_gof_harmonic_phase = 64.45684
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 0.9671229
duplicated_source = false
phot_g_n_obs = 439
phot_g_mean_flux = 11336503.11431872
phot_g_mean_flux_error = 4820.095
phot_g_mean_flux_over_error = 2351.925
phot_g_mean_mag = 8.051169
phot_bp_n_obs = 48
phot_bp_mean_flux = 5582616.568302448
phot_bp_mean_flux_error = 6362.7773
phot_bp_mean_flux_over_error = 877.3868
phot_bp_mean_mag = 8.471448
phot_rp_n_obs = 46
phot_rp_mean_flux = 8236365.782974635
phot_rp_mean_flux_error = 6509.2295
phot_rp_mean_flux_over_error = 1265.3365
phot_rp_mean_mag = 7.4585567
phot_bp_rp_excess_factor = 1.218981
phot_bp_n_contaminated_transits = 0
phot_bp_n_blended_transits = 0
phot_rp_n_contaminated_transits = 0
phot_rp_n_blended_transits = 0
phot_proc_mode = 0
bp_rp = 1.0128913
bp_g = 0.42027855
g_rp = 0.59261274
radial_velocity = -16.734108
radial_velocity_error = 0.13438609
rv_method_used = 1
rv_nb_transits = 23
rv_nb_deblended_transits = 1
rv_visibility_periods_used = 15
rv_expected_sig_to_noise = 342.07858
rv_renormalised_gof = 0.5116184
rv_chisq_pvalue = 0.08232857
rv_time_duration = 973.2593
rv_amplitude_robust = 1.0316887
rv_template_teff = 5500.0
rv_template_logg = 4.5
rv_template_fe_h = 0.0
rv_atm_param_origin = 333
vbroad = 9.323057
vbroad_error = 1.1037605
vbroad_nb_transits = 15
grvs_mag = 7.2397676
grvs_mag_error = 0.007029242
grvs_mag_nb_transits = 22
phot_variable_flag = VARIABLE
l = 95.24215696375767
b = 60.951773126410195
ecl_lon = 181.09501858968883
ecl_lat = 58.85040419795554
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 = true
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 = 5090.4634
teff_gspphot_lower = 5086.321
teff_gspphot_upper = 5107.5557
logg_gspphot = 4.5105
logg_gspphot_lower = 4.5053
logg_gspphot_upper = 4.5286
mh_gspphot = -0.2627
mh_gspphot_lower = -0.296
mh_gspphot_upper = -0.1578
distance_gspphot = 29.2472
distance_gspphot_lower = 28.9957
distance_gspphot_upper = 29.3447
azero_gspphot = 0.0002
azero_gspphot_lower = 0.0
azero_gspphot_upper = 0.001
ag_gspphot = 0.0002
ag_gspphot_lower = 0.0
ag_gspphot_upper = 0.0008
ebpminrp_gspphot = 0.0001
ebpminrp_gspphot_lower = 0.0
ebpminrp_gspphot_upper = 0.0004
libname_gspphot = MARCS
- gaiadr3.astrophysical_parameters
solution_id = 1636148068921376768
source_id = 1511727333122255744
classprob_dsc_combmod_quasar = 1.0203268e-11
classprob_dsc_combmod_galaxy = 5.0964812e-11
classprob_dsc_combmod_star = 1.0001014e-06
classprob_dsc_combmod_whitedwarf = 1.5149024e-06
classprob_dsc_combmod_binarystar = 0.99999744
classprob_dsc_specmod_quasar = 0.0
classprob_dsc_specmod_galaxy = 0.0
classprob_dsc_specmod_star = 0.0
classprob_dsc_specmod_whitedwarf = 7.563013e-05
classprob_dsc_specmod_binarystar = 0.99992436
classprob_dsc_allosmod_quasar = 0.0
classprob_dsc_allosmod_galaxy = 0.0
classprob_dsc_allosmod_star = 1.0
teff_gspphot = 7763.679
teff_gspphot_lower = 7755.9346
teff_gspphot_upper = 7767.1665
logg_gspphot = 4.1429
logg_gspphot_lower = 4.1188
logg_gspphot_upper = 4.1524
mh_gspphot = -0.3173
mh_gspphot_lower = -0.3257
mh_gspphot_upper = -0.3119
distance_gspphot = 29.8633
distance_gspphot_lower = 29.5175
distance_gspphot_upper = 30.8347
azero_gspphot = 0.0001
azero_gspphot_lower = 0.0
azero_gspphot_upper = 0.0005
ag_gspphot = 0.0001
ag_gspphot_lower = 0.0
ag_gspphot_upper = 0.0004
abp_gspphot = 0.0001
abp_gspphot_lower = 0.0
abp_gspphot_upper = 0.0005
arp_gspphot = 0.0
arp_gspphot_lower = 0.0
arp_gspphot_upper = 0.0003
ebpminrp_gspphot = 0.0
ebpminrp_gspphot_lower = 0.0
ebpminrp_gspphot_upper = 0.0003
mg_gspphot = 2.2332
mg_gspphot_lower = 2.1651
mg_gspphot_upper = 2.2586
radius_gspphot = 1.715
radius_gspphot_lower = 1.6938
radius_gspphot_upper = 1.7703
logposterior_gspphot = -4197.2
mcmcaccept_gspphot = 0.4176489
libname_gspphot = PHOENIX
ew_espels_halpha = 0.28481165
ew_espels_halpha_uncertainty = 0.025102943
ew_espels_halpha_flag = 0
ew_espels_halpha_model = 0.470059
flags_esphs = 91
spectraltype_esphs = A
radius_flame = 1.6904165
radius_flame_lower = 1.6559025
radius_flame_upper = 1.72474
lum_flame = 8.901176
lum_flame_lower = 8.828053
lum_flame_upper = 8.963575
mass_flame = 1.650349
mass_flame_lower = 1.6101345
mass_flame_upper = 1.6904452
age_flame = 0.78478235
age_flame_lower = 0.5621371
age_flame_upper = 1.0077331
flags_flame = 00
evolstage_flame = 179
gravredshift_flame = 0.4918985
gravredshift_flame_lower = 0.48450422
gravredshift_flame_upper = 0.49873915
bc_flame = 0.02187373
mh_msc = -0.14209402
mh_msc_upper = -0.08779642
mh_msc_lower = -0.19922313
azero_msc = 0.07173725
azero_msc_upper = 0.16575605
azero_msc_lower = 0.0
distance_msc = 44.2886
distance_msc_upper = 45.20058
distance_msc_lower = 43.409466
teff_msc1 = 7200.302
teff_msc1_upper = 7204.3936
teff_msc1_lower = 7197.5576
teff_msc2 = 7400.0566
teff_msc2_upper = 7401.7607
teff_msc2_lower = 7398.88
logg_msc1 = 3.9999676
logg_msc1_upper = 4.0003824
logg_msc1_lower = 3.9992976
logg_msc2 = 4.0999193
logg_msc2_upper = 4.1007586
logg_msc2_lower = 4.098813
ag_msc = 0.06447136
ag_msc_upper = 0.14894307
ag_msc_lower = 0.0
logposterior_msc = -13533.721
mcmcaccept_msc = 0.3217661
mcmcdrift_msc = 1.4971681
flags_msc = 1
    - gaiadr3.astrophysical_parameters
solution_id = 1636148068921376768
source_id = 1511727371779512704
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 = 5090.4634
teff_gspphot_lower = 5086.321
teff_gspphot_upper = 5107.5557
logg_gspphot = 4.5105
logg_gspphot_lower = 4.5053
logg_gspphot_upper = 4.5286
mh_gspphot = -0.2627
mh_gspphot_lower = -0.296
mh_gspphot_upper = -0.1578
distance_gspphot = 29.2472
distance_gspphot_lower = 28.9957
distance_gspphot_upper = 29.3447
azero_gspphot = 0.0002
azero_gspphot_lower = 0.0
azero_gspphot_upper = 0.001
ag_gspphot = 0.0002
ag_gspphot_lower = 0.0
ag_gspphot_upper = 0.0008
abp_gspphot = 0.0002
abp_gspphot_lower = 0.0
abp_gspphot_upper = 0.001
arp_gspphot = 0.0001
arp_gspphot_lower = 0.0
arp_gspphot_upper = 0.0006
ebpminrp_gspphot = 0.0001
ebpminrp_gspphot_lower = 0.0
ebpminrp_gspphot_upper = 0.0004
mg_gspphot = 5.7105
mg_gspphot_lower = 5.7037
mg_gspphot_upper = 5.7285
radius_gspphot = 0.8221
radius_gspphot_lower = 0.8071
radius_gspphot_upper = 0.8267
logposterior_gspphot = -6153.173
mcmcaccept_gspphot = 0.3637304
libname_gspphot = MARCS
teff_gspspec = 5235.0
teff_gspspec_lower = 5225.0
teff_gspspec_upper = 5244.0
logg_gspspec = 5.1
logg_gspspec_lower = 5.09
logg_gspspec_upper = 5.11
mh_gspspec = 0.09
mh_gspspec_lower = 0.08
mh_gspspec_upper = 0.09
alphafe_gspspec = 0.12
alphafe_gspspec_lower = 0.11
alphafe_gspspec_upper = 0.12
dibqf_gspspec = -2
flags_gspspec = 00000002000009999999999999999999999999999
ew_espels_halpha = -0.0093197
ew_espels_halpha_uncertainty = 0.013314387
ew_espels_halpha_flag = 0
ew_espels_halpha_model = 0.041609
flags_esphs = 999
spectraltype_esphs = G
activityindex_espcs = 0.039896168
activityindex_espcs_uncertainty = 0.0001314038
activityindex_espcs_input = M2
radius_flame = 0.824332
radius_flame_lower = 0.80699456
radius_flame_upper = 0.84158903
lum_flame = 0.41087925
lum_flame_lower = 0.40553144
lum_flame_upper = 0.41596192
mass_flame = 0.8071448
mass_flame_lower = 0.766248
mass_flame_upper = 0.84929454
age_flame = 12.234661
age_flame_lower = 9.289732
age_flame_upper = 13.5
flags_flame = 00
evolstage_flame = 306
gravredshift_flame = 0.61710256
gravredshift_flame_lower = 0.61317986
gravredshift_flame_upper = 0.62972534
bc_flame = -0.006611147
mh_msc = -0.026827922
mh_msc_upper = 0.28419542
mh_msc_lower = -0.46661022
azero_msc = 0.08075744
azero_msc_upper = 0.7677752
azero_msc_lower = 0.0
distance_msc = 36.448868
distance_msc_upper = 40.51278
distance_msc_lower = 31.02761
teff_msc1 = 5408.605
teff_msc1_upper = 5956.8228
teff_msc1_lower = 4893.439
teff_msc2 = 4620.4043
teff_msc2_upper = 5690.253
teff_msc2_lower = 3599.5205
logg_msc1 = 4.7441425
logg_msc1_upper = 5.096678
logg_msc1_lower = 4.366168
logg_msc2 = 4.577075
logg_msc2_upper = 5.1150618
logg_msc2_lower = 4.1576443
ag_msc = 0.064576805
ag_msc_upper = 0.61159605
ag_msc_lower = 0.0
logposterior_msc = -43745.02
mcmcaccept_msc = 0.2424105
mcmcdrift_msc = 0.34460586
flags_msc = 1
neuron_oa_id = 202105281205440624
neuron_oa_dist = 1.534333e-05
neuron_oa_dist_percentile_rank = 75
flags_oa = 0013




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 08:49:13 +0200



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