Double Star Calculator - Results


Discoverer & Number:    STF 1831 AB
Gaia Source ID - Star A          : 1611444898799946624     Simbad
Gaia Source ID - Star B          : 1611444894504584576     Simbad
Observation Epoch : J2025.329 / 2025-05-01 Angular Separation : 5.792 ± 0.0003 arcsec Position Angle : 137.78 ± 0.0021 degree
Star A/B Epoch : J2016.000 / J2016.000 Angular Separation : 5.768 < 0.0001 arcsec Position Angle : 137.69 ± 0.0002 degree Projected Separation : 844.15 au Spatial Separation : 5.01 ± 0.67 pc Spatial Separation : 16.34 ± 2.19 ly Parallax Significance (RI) : 7.55 σ ΔProper Motion Angle : 3.38 ± 0.05 degree ΔTotal Proper Motion : 1.49 ± 0.03 mas/yr ΔTangential Velocity : 1.96 ± 0.13 km/s ΔRadial Velocity : 1.07 ± 0.43 km/s ΔSpeed (scalar) : 1.32 ± 0.22 km/s ΔRelative Velocity (3D) : 2.75 ± 0.19 km/s

Aladin Lite Sky Atlas



Star A
Gaia Source ID                   : 1611444898799946624           VizieR
Epoch : J2016.000 Right Ascension (RA) : 14h 16m 8.40s Declination (Dec) : 56° 42' 45.74" Distance : 148.85 ± 0.55 pc Distance : 485.49 ± 1.79 ly Magnitude (G-band) : 7.11 mag Absolute Magnitude : 1.24 ± 0.01 mag Stellar Extinction : 0.00 ± <0.01 mag Spectral Type (BP/RP) : A Bolometric correction : -0.05 mag Luminosity : 26.26 + 0.20 / − 0.19 L☉ Log(Luminosity) : 1.41936 Effective temperature (Teff) : 7426.82 + 3.02 / - 2.23 K Log(Teff) : 3.87080 Mass estimation : 2.17 M☉ RUWE : 1.38 Position Angle of Proper Motion : 283.76 ± 0.04 degree Total Proper Motion : 39.72 ± 0.02 mas/yr Tangential Velocity : 28.02 ± 0.10 km/s Radial Velocity (Gaia) : -12.24 ± 0.31 km/s Space Velocity : 30.58 ± 0.16 km/s

Star A - Selected astrophysical parameters
DSC-Combmod binary star          :       1.00
DSC-Specmod binary star          :       1.00
Radius from GSP-Phot Aeneas      :       2.97  ±   0.01          R☉
Spectral type from ESP-ELS       :          A
Radius of the star from FLAME    :       2.95  ±   0.06          R☉
Bolometric correction            :       0.05                    mag
Luminosity of the star (FLAME)   :      23.89  ±   0.16          L☉
Mass of the star from FLAME      :       1.99  ±   0.04          M☉
FLAME quality indicators         :         00
  Quality                        :       OK
  Source                         :       Parallax used
Evolutionary stage from FLAME    :        270      Main Sequence (early)

Star A - Double Star Quality Metrics
Parallax over error :    271.723 : very good
RUWE                :      1.380 : good astrometric fit (single star)
Non Single Star     :            : Single Star
Duplicated source   :      false : single source
G magnitude         :      7.106 : G > 3 mag, photometry reliable
Excess noise        :      0.254 : Good fit
  Significance      :     64.588 :   Minor noise, likely negligible
BP-RP excess factor :      1.172 : photometry consistent
Visibility periods  :         26 : high, indicates well observed star
IPD multi-peak frac :         0% : single peak detected
IDP GoF harmonic amp:      0.017 : unobtrusive (single star source)


Star B
Gaia Source ID                   : 1611444894504584576           VizieR
Epoch : J2016.000 Right Ascension (RA) : 14h 16m 8.87s Declination (Dec) : 56° 42' 41.48" Distance : 143.84 ± 0.39 pc Distance : 469.15 ± 1.26 ly Magnitude (G-band) : 9.66 mag Absolute Magnitude : 3.87 ± 0.01 mag Stellar Extinction : 0.00 ± <0.01 mag Spectral Type (BP/RP) : F Bolometric correction : -0.05 mag Luminosity : 2.34 + 0.01 / − 0.01 L☉ Log(Luminosity) : 0.36838 Effective temperature (Teff) : 6272.29 + 2.40 / - 1.86 K Log(Teff) : 3.79743 Mass estimation : 1.29 M☉ RUWE : 1.36 Position Angle of Proper Motion : 280.38 ± 0.03 degree Total Proper Motion : 38.22 ± 0.02 mas/yr Tangential Velocity : 26.06 ± 0.07 km/s Radial Velocity (Gaia) : -13.30 ± 0.30 km/s Space Velocity : 29.26 ± 0.15 km/s

Star B - Selected astrophysical parameters
DSC-Combmod binary star          :       0.00
DSC-Specmod binary star          :       0.26
Radius from GSP-Phot Aeneas      :       1.23  ±   0.00          R☉
Spectral type from ESP-ELS       :          F
Radius of the star from FLAME    :       1.22  ±   0.02          R☉
Bolometric correction            :       0.07                    mag
Luminosity of the star (FLAME)   :       2.09  ±   0.01          L☉
Mass of the star from FLAME      :       1.18  ±   0.04          M☉
FLAME quality indicators         :         00
  Quality                        :       OK
  Source                         :       Parallax used
Evolutionary stage from FLAME    :        203      Main Sequence (early)

Star B - Double Star Quality Metrics
Parallax over error :    371.751 : very good
RUWE                :      1.360 : good astrometric fit (single star)
Non Single Star     :            : Single Star
Duplicated source   :      false : single source
G magnitude         :      9.659 : G > 3 mag, photometry reliable
Excess noise        :      0.178 : Good fit
  Significance      :     39.022 :   Minor noise, likely negligible
BP-RP excess factor :      1.200 : photometry consistent
Visibility periods  :         26 : high, indicates well observed star
IPD multi-peak frac :         0% : single peak detected
IDP GoF harmonic amp:      0.013 : 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)          :        0.07     (CPM)

Co-Moving

UWLE for Co-Moving Pairs (3D)      :
===================================
COMOV: Velocity Evidence Indicator :        0.74     (Strong)
COMOV: Distance Evidence Indicator :        0.00     (Unlikely)
Co-Moving Total Evidence Indicator :        0.00     (Unlikely)

rPM/COMOV Agreement                :                 (Discrepant)

Binarity

Separation, Sigma and Reliability  :
===================================
Projected Separation               :      844.15     au
Spatial Separation                 :        5.01     pc
  1-Sigma Range                    : [      4.34,       5.68] pc
  Significance (RI)                :        7.55     σ
  Note: High-confidence 3D separation


Proper Motion and Velocity         :
===================================
rPM (Proper Motion Ratio)          :        0.07     (CPM)
ΔRelative Velocity (3D)            :        2.74  ±  0.18   km/s


UWLE for Wide Binaries (3D)        :
===================================
WBS: Velocity Evidence Indicator   :        0.00     (Unlikely)
WBS: Distance Evidence Indicator   :        0.00     (Unlikely)
Binarity Total Evidence Indicator  :        0.00     (Unlikely)
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]         :     -0.7602  ± 0.0003 dex
  Metallicity reliability factor A :        0.44
Metallicity Star B - [M/H]         :     -0.3804  ± 0.0102 dex
  Metallicity reliability factor B :        0.80
Metallicity Difference             :      0.3798           dex
Combined uncertainty               :      0.2102           dex
Sigma-Distance (Z-Score)           :      1.81 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) :  1.38 : Low
RUWE probability for a binary system (Star B) :  1.36 : Low

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      5.473    0.003     136.473    0.028
1901.0      5.476    0.003     136.484    0.028
1902.0      5.478    0.003     136.495    0.027
1903.0      5.481    0.003     136.506    0.027
1904.0      5.483    0.003     136.517    0.027
1905.0      5.486    0.003     136.528    0.027
1906.0      5.488    0.003     136.539    0.026
1907.0      5.491    0.003     136.550    0.026
1908.0      5.493    0.003     136.561    0.026
1909.0      5.496    0.003     136.572    0.026
1910.0      5.498    0.003     136.583    0.025
1911.0      5.501    0.003     136.594    0.025
1912.0      5.503    0.003     136.605    0.025
1913.0      5.506    0.003     136.616    0.025
1914.0      5.509    0.003     136.626    0.024
1915.0      5.511    0.003     136.637    0.024
1916.0      5.514    0.003     136.648    0.024
1917.0      5.516    0.003     136.659    0.024
1918.0      5.519    0.003     136.670    0.023
1919.0      5.521    0.003     136.681    0.023
1920.0      5.524    0.003     136.692    0.023
1921.0      5.526    0.003     136.702    0.023
1922.0      5.529    0.003     136.713    0.022
1923.0      5.531    0.003     136.724    0.022
1924.0      5.534    0.003     136.735    0.022
1925.0      5.536    0.003     136.746    0.022
1926.0      5.539    0.003     136.756    0.021
1927.0      5.542    0.002     136.767    0.021
1928.0      5.544    0.002     136.778    0.021
1929.0      5.547    0.002     136.789    0.021
1930.0      5.549    0.002     136.800    0.020
1931.0      5.552    0.002     136.810    0.020
1932.0      5.554    0.002     136.821    0.020
1933.0      5.557    0.002     136.832    0.020
1934.0      5.559    0.002     136.842    0.019
1935.0      5.562    0.002     136.853    0.019
1936.0      5.564    0.002     136.864    0.019
1937.0      5.567    0.002     136.874    0.019
1938.0      5.569    0.002     136.885    0.018
1939.0      5.572    0.002     136.896    0.018
1940.0      5.575    0.002     136.906    0.018
1941.0      5.577    0.002     136.917    0.018
1942.0      5.580    0.002     136.928    0.017
1943.0      5.582    0.002     136.938    0.017
1944.0      5.585    0.002     136.949    0.017
1945.0      5.587    0.002     136.960    0.017
1946.0      5.590    0.002     136.970    0.016
1947.0      5.592    0.002     136.981    0.016
1948.0      5.595    0.002     136.991    0.016
1949.0      5.597    0.002     137.002    0.016
1950.0      5.600    0.002     137.012    0.015
1951.0      5.602    0.002     137.023    0.015
1952.0      5.605    0.002     137.033    0.015
1953.0      5.608    0.002     137.044    0.015
1954.0      5.610    0.002     137.054    0.014
1955.0      5.613    0.002     137.065    0.014
1956.0      5.615    0.002     137.075    0.014
1957.0      5.618    0.002     137.086    0.014
1958.0      5.620    0.002     137.096    0.014
1959.0      5.623    0.002     137.107    0.013
1960.0      5.625    0.002     137.117    0.013
1961.0      5.628    0.002     137.128    0.013
1962.0      5.630    0.002     137.138    0.013
1963.0      5.633    0.001     137.149    0.012
1964.0      5.636    0.001     137.159    0.012
1965.0      5.638    0.001     137.170    0.012
1966.0      5.641    0.001     137.180    0.012
1967.0      5.643    0.001     137.190    0.011
1968.0      5.646    0.001     137.201    0.011
1969.0      5.648    0.001     137.211    0.011
1970.0      5.651    0.001     137.221    0.011
1971.0      5.653    0.001     137.232    0.010
1972.0      5.656    0.001     137.242    0.010
1973.0      5.658    0.001     137.252    0.010
1974.0      5.661    0.001     137.263    0.010
1975.0      5.664    0.001     137.273    0.009
1976.0      5.666    0.001     137.283    0.009
1977.0      5.669    0.001     137.294    0.009
1978.0      5.671    0.001     137.304    0.009
1979.0      5.674    0.001     137.314    0.009
1980.0      5.676    0.001     137.325    0.008
1981.0      5.679    0.001     137.335    0.008
1982.0      5.681    0.001     137.345    0.008
1983.0      5.684    0.001     137.355    0.008
1984.0      5.686    0.001     137.365    0.007
1985.0      5.689    0.001     137.376    0.007
1986.0      5.692    0.001     137.386    0.007
1987.0      5.694    0.001     137.396    0.007
1988.0      5.697    0.001     137.406    0.006
1989.0      5.699    0.001     137.417    0.006
1990.0      5.702    0.001     137.427    0.006
1991.0      5.704    0.001     137.437    0.006
1992.0      5.707    0.001     137.447    0.005
1993.0      5.709    0.001     137.457    0.005
1994.0      5.712    0.001     137.467    0.005
1995.0      5.715    0.001     137.477    0.005
1996.0      5.717    0.001     137.488    0.005
1997.0      5.720    0.001     137.498    0.004
1998.0      5.722    0.001     137.508    0.004
1999.0      5.725    0.000     137.518    0.004
2000.0      5.727    0.000     137.528    0.004
2001.0      5.730    0.000     137.538    0.003
2002.0      5.732    0.000     137.548    0.003
2003.0      5.735    0.000     137.558    0.003
2004.0      5.737    0.000     137.568    0.003
2005.0      5.740    0.000     137.578    0.003
2006.0      5.743    0.000     137.588    0.002
2007.0      5.745    0.000     137.598    0.002
2008.0      5.748    0.000     137.608    0.002
2009.0      5.750    0.000     137.618    0.002
2010.0      5.753    0.000     137.628    0.001
2011.0      5.755    0.000     137.638    0.001
2012.0      5.758    0.000     137.648    0.001
2013.0      5.760    0.000     137.658    0.001
2014.0      5.763    0.000     137.668    0.000
2015.0      5.766    0.000     137.678    0.000
2016.0      5.768    0.000     137.688    0.000
2017.0      5.771    0.000     137.698    0.000
2018.0      5.773    0.000     137.708    0.000
2019.0      5.776    0.000     137.718    0.001
2020.0      5.778    0.000     137.728    0.001
2021.0      5.781    0.000     137.738    0.001
2022.0      5.783    0.000     137.748    0.001
2023.0      5.786    0.000     137.758    0.002
2024.0      5.789    0.000     137.767    0.002
2025.0      5.791    0.000     137.777    0.002
2026.0      5.794    0.000     137.787    0.002
2027.0      5.796    0.000     137.797    0.002
2028.0      5.799    0.000     137.807    0.003
2029.0      5.801    0.000     137.817    0.003
2030.0      5.804    0.000     137.826    0.003
2031.0      5.806    0.000     137.836    0.003
2032.0      5.809    0.000     137.846    0.004
2033.0      5.812    0.000     137.856    0.004
2034.0      5.814    0.001     137.866    0.004
2035.0      5.817    0.001     137.875    0.004
2036.0      5.819    0.001     137.885    0.004
2037.0      5.822    0.001     137.895    0.005
2038.0      5.824    0.001     137.905    0.005
2039.0      5.827    0.001     137.914    0.005
2040.0      5.829    0.001     137.924    0.005
2041.0      5.832    0.001     137.934    0.006
2042.0      5.835    0.001     137.944    0.006
2043.0      5.837    0.001     137.953    0.006
2044.0      5.840    0.001     137.963    0.006
2045.0      5.842    0.001     137.973    0.006
2046.0      5.845    0.001     137.982    0.007
2047.0      5.847    0.001     137.992    0.007
2048.0      5.850    0.001     138.002    0.007
2049.0      5.853    0.001     138.011    0.007
2050.0      5.855    0.001     138.021    0.008
2051.0      5.858    0.001     138.031    0.008
2052.0      5.860    0.001     138.040    0.008
2053.0      5.863    0.001     138.050    0.008
2054.0      5.865    0.001     138.060    0.008
2055.0      5.868    0.001     138.069    0.009
2056.0      5.870    0.001     138.079    0.009
2057.0      5.873    0.001     138.088    0.009
2058.0      5.876    0.001     138.098    0.009
2059.0      5.878    0.001     138.108    0.010
2060.0      5.881    0.001     138.117    0.010
2061.0      5.883    0.001     138.127    0.010
2062.0      5.886    0.001     138.136    0.010
2063.0      5.888    0.001     138.146    0.010
2064.0      5.891    0.001     138.155    0.011
2065.0      5.893    0.001     138.165    0.011
2066.0      5.896    0.001     138.174    0.011
2067.0      5.899    0.001     138.184    0.011
2068.0      5.901    0.001     138.193    0.011
2069.0      5.904    0.002     138.203    0.012
2070.0      5.906    0.002     138.212    0.012
2071.0      5.909    0.002     138.222    0.012
2072.0      5.911    0.002     138.231    0.012
2073.0      5.914    0.002     138.241    0.013
2074.0      5.917    0.002     138.250    0.013
2075.0      5.919    0.002     138.260    0.013
2076.0      5.922    0.002     138.269    0.013
2077.0      5.924    0.002     138.279    0.013
2078.0      5.927    0.002     138.288    0.014
2079.0      5.929    0.002     138.297    0.014
2080.0      5.932    0.002     138.307    0.014
2081.0      5.935    0.002     138.316    0.014
2082.0      5.937    0.002     138.326    0.014
2083.0      5.940    0.002     138.335    0.015
2084.0      5.942    0.002     138.344    0.015
2085.0      5.945    0.002     138.354    0.015
2086.0      5.947    0.002     138.363    0.015
2087.0      5.950    0.002     138.372    0.015
2088.0      5.952    0.002     138.382    0.016
2089.0      5.955    0.002     138.391    0.016
2090.0      5.958    0.002     138.400    0.016
2091.0      5.960    0.002     138.410    0.016
2092.0      5.963    0.002     138.419    0.017
2093.0      5.965    0.002     138.428    0.017
2094.0      5.968    0.002     138.438    0.017
2095.0      5.970    0.002     138.447    0.017
2096.0      5.973    0.002     138.456    0.017
2097.0      5.976    0.002     138.465    0.018
2098.0      5.978    0.002     138.475    0.018
2099.0      5.981    0.002     138.484    0.018
2100.0      5.983    0.002     138.493    0.018


Measurements for STF 1831 AB
 
WDS ID      Discovr     Comp  #    Sep      PA       Epoch      Obs  Telescope     Camera    Note
-------------------------------------------------------------------------------------------------
14161+5643  STF 1831    AB    1    5.76"    137.46°  B2025.334  HWI  120/900 APO   ASI678MM 

-- Image of STF-1831-AB-taken with Equinox 120/900 APO --


WDS record for STF 1831 AB
wds_id                       : 14161+5643
discoverer_code              : STF
discoverer_number            : 1831
discoverer_components        : AB
date_first                   : 1830
date_last                    : 2021
num_of_obs                   : 65
pa_first                     : 143
pa_last                      : 138
sep_first                    : 6.0
sep_last                     : 5.7
mag_primary                  : 7.16
mag_secondary                : 9.56
spectral_type                : A7IV
primary_proper_motion_RA     : -40
primary_proper_motion_DEC    : 3
secondary_proper_motion_RA   : -40
secondary_proper_motion_DEC  : 3
dm_number                    : +57 1499
notes                        : N
precise_coordinate           : 141608.47+564245.7
                             : 14:16:08.47 +56:42:45.7

WDS Notes:
----------
N: Notes found in WDSNOT MEMO of WDS



Parsed GAIA Input Data
Click to expand/collapse the Gaia Input Data:
Star A - gaiadr3.gaia_source
solution_id = 1636148068921376768
designation = Gaia DR3 1611444898799946624
source_id = 1611444898799946624
random_index = 725942786.0
ref_epoch = 2016.0
ra = 214.03500939042834
ra_error = 0.020334875
dec = 56.712706407908925
dec_error = 0.02241514
parallax = 6.7180908982096375
parallax_error = 0.024724081
parallax_over_error = 271.72256
pm = 39.715054
pmra = -38.5748490090656
pmra_error = 0.024397828
pmdec = 9.448100102471535
pmdec_error = 0.027476631
ra_dec_corr = -0.008172249
ra_parallax_corr = 0.008018544
ra_pmra_corr = -0.1835921
ra_pmdec_corr = 0.11836836
dec_parallax_corr = 0.007903327
dec_pmra_corr = 0.11183968
dec_pmdec_corr = -0.14797454
parallax_pmra_corr = -0.20535238
parallax_pmdec_corr = -0.1660412
pmra_pmdec_corr = -0.032479014
astrometric_n_obs_al = 370
astrometric_n_obs_ac = 370
astrometric_n_good_obs_al = 370
astrometric_n_bad_obs_al = 0
astrometric_gof_al = 9.719469
astrometric_chi2_al = 2664.4175
astrometric_excess_noise = 0.2538537
astrometric_excess_noise_sig = 64.58778
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.6735972
astrometric_matched_transits = 42
visibility_periods_used = 26
astrometric_sigma5d_max = 0.0385319
matched_transits = 62
new_matched_transits = 20
matched_transits_removed = 4
ipd_gof_harmonic_amplitude = 0.017242841
ipd_gof_harmonic_phase = 3.373395
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 1.3794923
duplicated_source = false
phot_g_n_obs = 518
phot_g_mean_flux = 27071863.968060143
phot_g_mean_flux_error = 5503.08
phot_g_mean_flux_over_error = 4919.4023
phot_g_mean_mag = 7.1060715
phot_bp_n_obs = 51
phot_bp_mean_flux = 17808924.42609008
phot_bp_mean_flux_error = 9469.358
phot_bp_mean_flux_over_error = 1880.6897
phot_bp_mean_mag = 7.211948
phot_rp_n_obs = 45
phot_rp_mean_flux = 13912471.72743247
phot_rp_mean_flux_error = 8652.091
phot_rp_mean_flux_over_error = 1607.9895
phot_rp_mean_mag = 6.8893847
phot_bp_rp_excess_factor = 1.1717478
phot_bp_n_contaminated_transits = 5
phot_bp_n_blended_transits = 46
phot_rp_n_contaminated_transits = 6
phot_rp_n_blended_transits = 39
phot_proc_mode = 0
bp_rp = 0.32256317
bp_g = 0.105876446
g_rp = 0.21668673
radial_velocity = -12.235204
radial_velocity_error = 0.3148725
rv_method_used = 1
rv_nb_transits = 29
rv_nb_deblended_transits = 0
rv_visibility_periods_used = 19
rv_expected_sig_to_noise = 483.64862
rv_renormalised_gof = 2.7015417
rv_chisq_pvalue = 4.9289244e-09
rv_time_duration = 998.7628
rv_amplitude_robust = 4.4000444
rv_template_teff = 7250.0
rv_template_logg = 4.0
rv_template_fe_h = 0.25
rv_atm_param_origin = 555
vbroad = 93.962616
vbroad_error = 2.6368117
vbroad_nb_transits = 20
grvs_mag = 6.798216
grvs_mag_error = 0.014189258
grvs_mag_nb_transits = 29
phot_variable_flag = NOT_AVAILABLE
l = 101.71199672723748
b = 56.787754078384374
ecl_lon = 173.64214106132772
ecl_lat = 62.765474963435075
in_qso_candidates = false
in_galaxy_candidates = false
non_single_star = 0
has_xp_continuous = false
has_xp_sampled = false
has_rvs = false
has_epoch_photometry = false
has_epoch_rv = false
has_mcmc_gspphot = false
has_mcmc_msc = false
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 = 7426.82
teff_gspphot_lower = 7424.59
teff_gspphot_upper = 7429.8413
logg_gspphot = 3.6684
logg_gspphot_lower = 3.6666
logg_gspphot_upper = 3.6702
mh_gspphot = -0.7602
mh_gspphot_lower = -0.7605
mh_gspphot_upper = -0.7599
distance_gspphot = 149.2327
distance_gspphot_lower = 148.9667
distance_gspphot_upper = 149.5246
azero_gspphot = 0.0008
azero_gspphot_lower = 0.0002
azero_gspphot_upper = 0.0023
ag_gspphot = 0.0007
ag_gspphot_lower = 0.0001
ag_gspphot_upper = 0.0021
ebpminrp_gspphot = 0.0004
ebpminrp_gspphot_lower = 0.0
ebpminrp_gspphot_upper = 0.0012
libname_gspphot = A
    Star B - gaiadr3.gaia_source
solution_id = 1636148068921376768
designation = Gaia DR3 1611444894504584576
source_id = 1611444894504584576
random_index = 852941429.0
ref_epoch = 2016.0
ra = 214.0369745436801
ra_error = 0.015250445
dec = 56.71152153674045
dec_error = 0.017060136
parallax = 6.952076976346716
parallax_error = 0.018700922
parallax_over_error = 371.7505
pm = 38.22176
pmra = -37.59643245854831
pmra_error = 0.01887529
pmdec = 6.885568589386658
pmdec_error = 0.021512713
ra_dec_corr = 0.0055554844
ra_parallax_corr = -0.01882441
ra_pmra_corr = -0.18779404
ra_pmdec_corr = 0.053475715
dec_parallax_corr = 0.022688525
dec_pmra_corr = 0.040798087
dec_pmdec_corr = -0.16387883
parallax_pmra_corr = -0.22884786
parallax_pmdec_corr = -0.098374285
pmra_pmdec_corr = -0.05344093
astrometric_n_obs_al = 353
astrometric_n_obs_ac = 353
astrometric_n_good_obs_al = 347
astrometric_n_bad_obs_al = 6
astrometric_gof_al = 8.898449
astrometric_chi2_al = 1411.5725
astrometric_excess_noise = 0.17774244
astrometric_excess_noise_sig = 39.022343
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.603074
astrometric_matched_transits = 40
visibility_periods_used = 26
astrometric_sigma5d_max = 0.030109536
matched_transits = 48
new_matched_transits = 19
matched_transits_removed = 5
ipd_gof_harmonic_amplitude = 0.013214916
ipd_gof_harmonic_phase = 169.59938
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 1.3577816
duplicated_source = false
phot_g_n_obs = 370
phot_g_mean_flux = 2577962.300508752
phot_g_mean_flux_error = 525.85254
phot_g_mean_flux_over_error = 4902.4434
phot_g_mean_mag = 9.659176
phot_bp_n_obs = 24
phot_bp_mean_flux = 1517448.1077898873
phot_bp_mean_flux_error = 3717.996
phot_bp_mean_flux_over_error = 408.13602
phot_bp_mean_mag = 9.885757
phot_rp_n_obs = 22
phot_rp_mean_flux = 1576591.8376131104
phot_rp_mean_flux_error = 1652.0258
phot_rp_mean_flux_over_error = 954.33856
phot_rp_mean_mag = 9.253597
phot_bp_rp_excess_factor = 1.2001882
phot_bp_n_contaminated_transits = 0
phot_bp_n_blended_transits = 10
phot_rp_n_contaminated_transits = 0
phot_rp_n_blended_transits = 8
phot_proc_mode = 0
bp_rp = 0.6321602
bp_g = 0.22658157
g_rp = 0.4055786
radial_velocity = -13.304104
radial_velocity_error = 0.29812816
rv_method_used = 1
rv_nb_transits = 7
rv_nb_deblended_transits = 2
rv_visibility_periods_used = 5
rv_expected_sig_to_noise = 78.98091
rv_renormalised_gof = -0.6444144
rv_chisq_pvalue = 0.6583672
rv_time_duration = 939.06616
rv_amplitude_robust = 1.6724644
rv_template_teff = 6000.0
rv_template_logg = 3.5
rv_template_fe_h = -0.25
rv_atm_param_origin = 444
grvs_mag = 9.073968
grvs_mag_error = 0.006812699
grvs_mag_nb_transits = 5
phot_variable_flag = NOT_AVAILABLE
l = 101.7091327812692
b = 56.788080293102716
ecl_lon = 173.64564085254307
ecl_lat = 62.76542994579228
in_qso_candidates = false
in_galaxy_candidates = false
non_single_star = 0
has_xp_continuous = false
has_xp_sampled = false
has_rvs = false
has_epoch_photometry = false
has_epoch_rv = false
has_mcmc_gspphot = false
has_mcmc_msc = false
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 = 6272.2915
teff_gspphot_lower = 6270.432
teff_gspphot_upper = 6274.6885
logg_gspphot = 4.2537
logg_gspphot_lower = 4.2503
logg_gspphot_upper = 4.2569
mh_gspphot = -0.3804
mh_gspphot_lower = -0.391
mh_gspphot_upper = -0.3706
distance_gspphot = 143.251
distance_gspphot_lower = 142.8581
distance_gspphot_upper = 143.6651
azero_gspphot = 0.0009
azero_gspphot_lower = 0.0002
azero_gspphot_upper = 0.0021
ag_gspphot = 0.0007
ag_gspphot_lower = 0.0001
ag_gspphot_upper = 0.0019
ebpminrp_gspphot = 0.0004
ebpminrp_gspphot_lower = 0.0001
ebpminrp_gspphot_upper = 0.001
libname_gspphot = MARCS
- gaiadr3.astrophysical_parameters
solution_id = 1636148068921376768
source_id = 1611444898799946624
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 = 7426.82
teff_gspphot_lower = 7424.59
teff_gspphot_upper = 7429.8413
logg_gspphot = 3.6684
logg_gspphot_lower = 3.6666
logg_gspphot_upper = 3.6702
mh_gspphot = -0.7602
mh_gspphot_lower = -0.7605
mh_gspphot_upper = -0.7599
distance_gspphot = 149.2327
distance_gspphot_lower = 148.9667
distance_gspphot_upper = 149.5246
azero_gspphot = 0.0008
azero_gspphot_lower = 0.0002
azero_gspphot_upper = 0.0023
ag_gspphot = 0.0007
ag_gspphot_lower = 0.0001
ag_gspphot_upper = 0.0021
abp_gspphot = 0.0009
abp_gspphot_lower = 0.0002
abp_gspphot_upper = 0.0026
arp_gspphot = 0.0005
arp_gspphot_lower = 0.0001
arp_gspphot_upper = 0.0014
ebpminrp_gspphot = 0.0004
ebpminrp_gspphot_lower = 0.0
ebpminrp_gspphot_upper = 0.0012
mg_gspphot = 1.2263
mg_gspphot_lower = 1.2219
mg_gspphot_upper = 1.2308
radius_gspphot = 2.9698
radius_gspphot_lower = 2.9641
radius_gspphot_upper = 2.976
logposterior_gspphot = -3108.628
mcmcaccept_gspphot = 0.36545455
libname_gspphot = A
ew_espels_halpha = 0.35163307
ew_espels_halpha_uncertainty = 0.02141602
ew_espels_halpha_flag = 0
ew_espels_halpha_model = 0.392934
flags_esphs = 91
spectraltype_esphs = A
radius_flame = 2.951789
radius_flame_lower = 2.8920517
radius_flame_upper = 3.0117087
lum_flame = 23.8852
lum_flame_lower = 23.737482
lum_flame_upper = 24.051155
mass_flame = 1.9914144
mass_flame_lower = 1.9513125
mass_flame_upper = 2.0315404
age_flame = 0.97988874
age_flame_lower = 0.85324496
age_flame_upper = 1.1065319
flags_flame = 00
evolstage_flame = 270
gravredshift_flame = 0.32121888
gravredshift_flame_lower = 0.32063287
gravredshift_flame_upper = 0.32177323
bc_flame = 0.045301586
mh_msc = 0.2001544
mh_msc_upper = 0.20230225
mh_msc_lower = 0.1988203
azero_msc = 0.0002733266
azero_msc_upper = 0.0024612157
azero_msc_lower = 0.0
distance_msc = 143.0899
distance_msc_upper = 144.14185
distance_msc_lower = 142.21008
teff_msc1 = 7993.003
teff_msc1_upper = 8000.0
teff_msc1_lower = 7917.124
teff_msc2 = 7995.166
teff_msc2_upper = 8000.0
teff_msc2_lower = 7928.3936
logg_msc1 = 3.997871
logg_msc1_upper = 4.0124073
logg_msc1_lower = 3.98178
logg_msc2 = 3.999852
logg_msc2_upper = 4.001523
logg_msc2_lower = 3.9969122
ag_msc = 0.00025314098
ag_msc_upper = 0.0022796993
ag_msc_lower = 0.0
logposterior_msc = -1658.314
mcmcaccept_msc = 0.35167065
mcmcdrift_msc = 0.3655621
flags_msc = 1
    - gaiadr3.astrophysical_parameters
solution_id = 1636148068921376768
source_id = 1611444894504584576
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 = 6272.2915
teff_gspphot_lower = 6270.432
teff_gspphot_upper = 6274.6885
logg_gspphot = 4.2537
logg_gspphot_lower = 4.2503
logg_gspphot_upper = 4.2569
mh_gspphot = -0.3804
mh_gspphot_lower = -0.391
mh_gspphot_upper = -0.3706
distance_gspphot = 143.251
distance_gspphot_lower = 142.8581
distance_gspphot_upper = 143.6651
azero_gspphot = 0.0009
azero_gspphot_lower = 0.0002
azero_gspphot_upper = 0.0021
ag_gspphot = 0.0007
ag_gspphot_lower = 0.0001
ag_gspphot_upper = 0.0019
abp_gspphot = 0.0009
abp_gspphot_lower = 0.0002
abp_gspphot_upper = 0.0023
arp_gspphot = 0.0005
arp_gspphot_lower = 0.0001
arp_gspphot_upper = 0.0013
ebpminrp_gspphot = 0.0004
ebpminrp_gspphot_lower = 0.0001
ebpminrp_gspphot_upper = 0.001
mg_gspphot = 3.8633
mg_gspphot_lower = 3.8568
mg_gspphot_upper = 3.8693
radius_gspphot = 1.2262
radius_gspphot_lower = 1.2229
radius_gspphot_upper = 1.2299
logposterior_gspphot = -1207.3927
mcmcaccept_gspphot = 0.49971786
libname_gspphot = MARCS
teff_gspspec = 6281.0
teff_gspspec_lower = 6197.0
teff_gspspec_upper = 6338.0
logg_gspspec = 4.27
logg_gspspec_lower = 4.17
logg_gspspec_upper = 4.32
mh_gspspec = -0.25
mh_gspspec_lower = -0.27
mh_gspspec_upper = -0.22
alphafe_gspspec = 0.25
alphafe_gspspec_lower = 0.23
alphafe_gspspec_upper = 0.3
fem_gspspec = -0.13
fem_gspspec_lower = -0.3
fem_gspspec_upper = 0.06
fem_gspspec_nlines = 4
fem_gspspec_linescatter = 0.14
cafe_gspspec = 0.25
cafe_gspspec_lower = 0.2
cafe_gspspec_upper = 0.32
cafe_gspspec_nlines = 6
cafe_gspspec_linescatter = 0.05
dibqf_gspspec = -1
flags_gspspec = 00000000000009999999900999901999999999999
logchisq_gspspec = -3.6605847
ew_espels_halpha = 0.19988067
ew_espels_halpha_uncertainty = 0.01816231
ew_espels_halpha_flag = 0
ew_espels_halpha_model = 0.200178
flags_esphs = 91
spectraltype_esphs = F
activityindex_espcs = 0.00770265
activityindex_espcs_uncertainty = 0.00052035606
activityindex_espcs_input = M1
radius_flame = 1.2230299
radius_flame_lower = 1.1983366
radius_flame_upper = 1.247732
lum_flame = 2.0859847
lum_flame_lower = 2.0744493
lum_flame_upper = 2.0977395
mass_flame = 1.1838418
mass_flame_lower = 1.1438313
mass_flame_upper = 1.2238566
age_flame = 2.066636
age_flame_lower = 1.4608109
age_flame_upper = 2.6719084
flags_flame = 00
evolstage_flame = 203
gravredshift_flame = 0.50813526
gravredshift_flame_lower = 0.505412
gravredshift_flame_upper = 0.5104501
bc_flame = 0.06755631
mh_msc = -0.10034922
mh_msc_upper = -0.0964925
mh_msc_lower = -0.10960798
azero_msc = 0.00025866268
azero_msc_upper = 0.002531114
azero_msc_lower = 0.0
distance_msc = 202.4877
distance_msc_upper = 204.49622
distance_msc_lower = 200.03027
teff_msc1 = 6400.329
teff_msc1_upper = 6407.126
teff_msc1_lower = 6397.287
teff_msc2 = 5367.701
teff_msc2_upper = 5461.959
teff_msc2_lower = 5268.658
logg_msc1 = 4.216009
logg_msc1_upper = 4.245182
logg_msc1_lower = 4.190632
logg_msc2 = 4.461345
logg_msc2_upper = 4.7233005
logg_msc2_lower = 4.169888
ag_msc = 0.00022109218
ag_msc_upper = 0.0021621569
ag_msc_lower = 0.0
logposterior_msc = -5742.656
mcmcaccept_msc = 0.30577564
mcmcdrift_msc = 0.4605023
flags_msc = 1
neuron_oa_id = 2.0210528120544035e+17
neuron_oa_dist = 4.6223277e-06
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) 2025. 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 1.0 ($Rev: 2309 $)
Report created: 2026-05-10 17:38:12 +0200



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