Double Star Calculator - Results


STF 1831 AC - Astrometric and kinematic properties
Gaia Source ID - Star A          : 1611444452123347200     Simbad
Gaia Source ID - Star B          : 1611444898799946624     Simbad
Observation Epoch : J2025.329 / 2025-05-01 Angular Separation : 111.678 ± 0.0010 arcsec Position Angle : 38.55 ± 0.0005 degree
Star A/B Epoch : J2016.000 / J2016.000 Angular Separation : 111.166 ± 0.0001 arcsec Position Angle : 38.99 < 0.0001 degree Projected Separation : 10992 au Spatial Separation : 99.95 ± 0.60 pc Spatial Separation : 326.01 ± 1.95 ly Parallax Significance : 132.38 σ 3D Space Velocity Angle : 76.99 ± 0.47 degree ΔProper Motion Angle : 103.01 ± 0.07 degree ΔTotal Proper Motion : 51.26 ± 0.11 mas/yr ΔTangential Velocity : 6.94 ± 0.15 km/s ΔRadial Velocity : 20.60 ± 0.35 km/s ΔSpeed (scalar) : 8.44 ± 0.21 km/s ΔRelative Velocity (3D) : 43.82 ± 0.19 km/s

Aladin Lite Sky Atlas



Star A - Stellar Data
Gaia Source ID                   : 1611444452123347200           VizieR
Epoch : J2016.000 Right Ascension (RA) : 14h 15m 59.91s Declination (Dec) : 56° 41' 19.35" Distance : 48.90 ± 0.24 pc Distance : 159.48 ± 0.79 ly Magnitude (G-band) : 6.53 mag Absolute Magnitude : 3.09 ± 0.01 mag Stellar Extinction : 0.00 ± <0.01 mag Spectral Type (BP/RP) : G Bolometric correction : -0.10 mag Luminosity : 5.05 + 0.05 / − 0.05 L☉ Log(Luminosity) : 0.70350 Effective temperature (Teff) : 5933.78 + 3.85 / - 3.34 K Log(Teff) : 3.77333 Mass estimation : 1.35 M☉ RUWE : 5.81 Position Angle of Proper Motion : 180.75 ± 0.06 degree Total Proper Motion : 90.97 ± 0.10 mas/yr Tangential Velocity : 21.09 ± 0.11 km/s Radial Velocity (Gaia) : -32.83 ± 0.16 km/s Space Velocity : 39.02 ± 0.14 km/s

Star A - Selected astrophysical parameters
DSC-Combmod binary star          :       0.01
DSC-Specmod binary star          :       0.41
Radius from GSP-Phot Aeneas      :       2.05  ±   0.10          R☉
Spectral type from ESP-ELS       :          G
Radius of the star from FLAME    :       2.01  ±   0.04          R☉
Bolometric correction            :       0.07                    mag
Luminosity of the star (FLAME)   :       4.31  ±   0.04          L☉
Mass of the star from FLAME      :       1.22  ±   0.04          M☉
FLAME quality indicators         :         00
  Quality                        :       OK
  Source                         :       Parallax used
Evolutionary stage from FLAME    :        438      Subgiant Branch

Star A - Double Star Quality Metrics
Parallax over error :    202.983 : very good
RUWE                :      5.810 : poor astrometric fit, (possible double)
Non Single Star     :            : Single Star
Duplicated source   :      false : single source
G magnitude         :      6.533 : G > 3 mag, photometry reliable
Excess noise        :      1.062 : Poor fit
  Significance      :   1405.640 :   Possible binary or jitter
BP-RP excess factor :      1.197 : photometry consistent
Visibility periods  :         23 : high, indicates well observed star
IPD multi-peak frac :         0% : single peak detected
IDP GoF harmonic amp:      0.019 : unobtrusive (single star source)


Star B - Stellar Data
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 : 0.00 mag Luminosity : 25.08 + 0.19 / − 0.19 L☉ Log(Luminosity) : 1.39936 Effective temperature (Teff) : 7426.82 + 3.02 / - 2.23 K Log(Teff) : 3.87080 Mass estimation : 2.15 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 B - 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 B - 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)

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)          :        1.18     (DPM)

Co-Moving

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

rPM/COMOV Agreement                :                 (High)

Binarity

Separation, Sigma and Reliability  :
===================================
Projected Separation               :       10992     au
Spatial Separation                 :       99.95  ±     0.60  pc
  1-Sigma Range                    : [     99.36,     100.55] pc
  Significance                     :      132.38     σ
  Note: High-confidence 3D separation

3D spatial distance probabilities : =================================== P(D-3D <= 21983 au) : 0.0 % (2.0 * D-projected) P(D-3D <= 50000 au) : 0.0 % (Extremely wide) P(D-3D <= 206265 au) : 0.0 % (Jacobi radius)

Proper Motion and Velocity         :
===================================
rPM (Proper Motion Ratio)          :        1.18     (DPM)
ΔRelative Velocity (3D)            :       43.82  ±  0.19   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]         :     -0.5108  ± 0.0192 dex
  Metallicity reliability factor A :        1.00
Metallicity Star B - [M/H]         :     -0.7602  ± 0.0003 dex
  Metallicity reliability factor B :        0.44
Metallicity Difference             :      0.2494           dex
Combined uncertainty               :      0.2109           dex
Sigma-Distance (Z-Score)           :      1.18 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) :  5.81 : Very high
RUWE probability for a binary system (Star B) :  1.38 : 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    105.388    0.012      44.813    0.006
1901.0    105.433    0.012      44.760    0.006
1902.0    105.478    0.012      44.707    0.006
1903.0    105.523    0.012      44.655    0.006
1904.0    105.568    0.012      44.602    0.006
1905.0    105.613    0.012      44.549    0.006
1906.0    105.658    0.011      44.496    0.006
1907.0    105.704    0.011      44.444    0.006
1908.0    105.749    0.011      44.391    0.006
1909.0    105.795    0.011      44.339    0.006
1910.0    105.841    0.011      44.286    0.006
1911.0    105.887    0.011      44.234    0.006
1912.0    105.932    0.011      44.182    0.006
1913.0    105.978    0.011      44.129    0.006
1914.0    106.025    0.011      44.077    0.006
1915.0    106.071    0.011      44.025    0.006
1916.0    106.117    0.010      43.973    0.006
1917.0    106.163    0.010      43.920    0.005
1918.0    106.210    0.010      43.868    0.005
1919.0    106.256    0.010      43.816    0.005
1920.0    106.303    0.010      43.764    0.005
1921.0    106.349    0.010      43.712    0.005
1922.0    106.396    0.010      43.660    0.005
1923.0    106.443    0.010      43.609    0.005
1924.0    106.490    0.010      43.557    0.005
1925.0    106.537    0.009      43.505    0.005
1926.0    106.584    0.009      43.453    0.005
1927.0    106.631    0.009      43.402    0.005
1928.0    106.679    0.009      43.350    0.005
1929.0    106.726    0.009      43.298    0.005
1930.0    106.774    0.009      43.247    0.005
1931.0    106.821    0.009      43.195    0.005
1932.0    106.869    0.009      43.144    0.005
1933.0    106.916    0.009      43.092    0.005
1934.0    106.964    0.009      43.041    0.004
1935.0    107.012    0.008      42.990    0.004
1936.0    107.060    0.008      42.938    0.004
1937.0    107.108    0.008      42.887    0.004
1938.0    107.156    0.008      42.836    0.004
1939.0    107.205    0.008      42.785    0.004
1940.0    107.253    0.008      42.734    0.004
1941.0    107.301    0.008      42.683    0.004
1942.0    107.350    0.008      42.632    0.004
1943.0    107.398    0.008      42.581    0.004
1944.0    107.447    0.008      42.530    0.004
1945.0    107.496    0.007      42.479    0.004
1946.0    107.545    0.007      42.428    0.004
1947.0    107.594    0.007      42.377    0.004
1948.0    107.643    0.007      42.327    0.004
1949.0    107.692    0.007      42.276    0.004
1950.0    107.741    0.007      42.225    0.004
1951.0    107.790    0.007      42.175    0.004
1952.0    107.839    0.007      42.124    0.003
1953.0    107.889    0.007      42.074    0.003
1954.0    107.938    0.006      42.023    0.003
1955.0    107.988    0.006      41.973    0.003
1956.0    108.038    0.006      41.923    0.003
1957.0    108.087    0.006      41.872    0.003
1958.0    108.137    0.006      41.822    0.003
1959.0    108.187    0.006      41.772    0.003
1960.0    108.237    0.006      41.722    0.003
1961.0    108.287    0.006      41.672    0.003
1962.0    108.337    0.006      41.621    0.003
1963.0    108.388    0.006      41.571    0.003
1964.0    108.438    0.005      41.521    0.003
1965.0    108.488    0.005      41.472    0.003
1966.0    108.539    0.005      41.422    0.003
1967.0    108.590    0.005      41.372    0.003
1968.0    108.640    0.005      41.322    0.003
1969.0    108.691    0.005      41.272    0.003
1970.0    108.742    0.005      41.223    0.002
1971.0    108.793    0.005      41.173    0.002
1972.0    108.844    0.005      41.123    0.002
1973.0    108.895    0.004      41.074    0.002
1974.0    108.946    0.004      41.024    0.002
1975.0    108.997    0.004      40.975    0.002
1976.0    109.048    0.004      40.925    0.002
1977.0    109.100    0.004      40.876    0.002
1978.0    109.151    0.004      40.827    0.002
1979.0    109.203    0.004      40.777    0.002
1980.0    109.255    0.004      40.728    0.002
1981.0    109.306    0.004      40.679    0.002
1982.0    109.358    0.004      40.630    0.002
1983.0    109.410    0.003      40.581    0.002
1984.0    109.462    0.003      40.532    0.002
1985.0    109.514    0.003      40.483    0.002
1986.0    109.566    0.003      40.434    0.002
1987.0    109.618    0.003      40.385    0.002
1988.0    109.671    0.003      40.336    0.001
1989.0    109.723    0.003      40.287    0.001
1990.0    109.775    0.003      40.238    0.001
1991.0    109.828    0.003      40.190    0.001
1992.0    109.881    0.003      40.141    0.001
1993.0    109.933    0.002      40.092    0.001
1994.0    109.986    0.002      40.044    0.001
1995.0    110.039    0.002      39.995    0.001
1996.0    110.092    0.002      39.947    0.001
1997.0    110.145    0.002      39.898    0.001
1998.0    110.198    0.002      39.850    0.001
1999.0    110.251    0.002      39.802    0.001
2000.0    110.304    0.002      39.753    0.001
2001.0    110.357    0.002      39.705    0.001
2002.0    110.411    0.001      39.657    0.001
2003.0    110.464    0.001      39.609    0.001
2004.0    110.518    0.001      39.560    0.001
2005.0    110.572    0.001      39.512    0.001
2006.0    110.625    0.001      39.464    0.001
2007.0    110.679    0.001      39.416    0.000
2008.0    110.733    0.001      39.368    0.000
2009.0    110.787    0.001      39.321    0.000
2010.0    110.841    0.001      39.273    0.000
2011.0    110.895    0.001      39.225    0.000
2012.0    110.949    0.000      39.177    0.000
2013.0    111.003    0.000      39.130    0.000
2014.0    111.058    0.000      39.082    0.000
2015.0    111.112    0.000      39.034    0.000
2016.0    111.166    0.000      38.987    0.000
2017.0    111.221    0.000      38.939    0.000
2018.0    111.276    0.000      38.892    0.000
2019.0    111.330    0.000      38.844    0.000
2020.0    111.385    0.000      38.797    0.000
2021.0    111.440    0.001      38.750    0.000
2022.0    111.495    0.001      38.702    0.000
2023.0    111.550    0.001      38.655    0.000
2024.0    111.605    0.001      38.608    0.000
2025.0    111.660    0.001      38.561    0.000
2026.0    111.715    0.001      38.514    0.001
2027.0    111.771    0.001      38.467    0.001
2028.0    111.826    0.001      38.420    0.001
2029.0    111.882    0.001      38.373    0.001
2030.0    111.937    0.001      38.326    0.001
2031.0    111.993    0.002      38.279    0.001
2032.0    112.048    0.002      38.232    0.001
2033.0    112.104    0.002      38.185    0.001
2034.0    112.160    0.002      38.139    0.001
2035.0    112.216    0.002      38.092    0.001
2036.0    112.272    0.002      38.045    0.001
2037.0    112.328    0.002      37.999    0.001
2038.0    112.384    0.002      37.952    0.001
2039.0    112.440    0.002      37.906    0.001
2040.0    112.497    0.003      37.859    0.001
2041.0    112.553    0.003      37.813    0.001
2042.0    112.609    0.003      37.767    0.001
2043.0    112.666    0.003      37.720    0.001
2044.0    112.722    0.003      37.674    0.001
2045.0    112.779    0.003      37.628    0.002
2046.0    112.836    0.003      37.582    0.002
2047.0    112.893    0.003      37.536    0.002
2048.0    112.949    0.003      37.489    0.002
2049.0    113.006    0.003      37.443    0.002
2050.0    113.063    0.004      37.397    0.002
2051.0    113.120    0.004      37.352    0.002
2052.0    113.178    0.004      37.306    0.002
2053.0    113.235    0.004      37.260    0.002
2054.0    113.292    0.004      37.214    0.002
2055.0    113.349    0.004      37.168    0.002
2056.0    113.407    0.004      37.123    0.002
2057.0    113.464    0.004      37.077    0.002
2058.0    113.522    0.004      37.031    0.002
2059.0    113.580    0.005      36.986    0.002
2060.0    113.637    0.005      36.940    0.002
2061.0    113.695    0.005      36.895    0.002
2062.0    113.753    0.005      36.849    0.002
2063.0    113.811    0.005      36.804    0.002
2064.0    113.869    0.005      36.759    0.002
2065.0    113.927    0.005      36.713    0.003
2066.0    113.985    0.005      36.668    0.003
2067.0    114.044    0.005      36.623    0.003
2068.0    114.102    0.005      36.578    0.003
2069.0    114.160    0.006      36.533    0.003
2070.0    114.219    0.006      36.488    0.003
2071.0    114.277    0.006      36.443    0.003
2072.0    114.336    0.006      36.398    0.003
2073.0    114.394    0.006      36.353    0.003
2074.0    114.453    0.006      36.308    0.003
2075.0    114.512    0.006      36.263    0.003
2076.0    114.571    0.006      36.218    0.003
2077.0    114.630    0.006      36.174    0.003
2078.0    114.689    0.007      36.129    0.003
2079.0    114.748    0.007      36.084    0.003
2080.0    114.807    0.007      36.040    0.003
2081.0    114.866    0.007      35.995    0.003
2082.0    114.926    0.007      35.951    0.003
2083.0    114.985    0.007      35.906    0.003
2084.0    115.044    0.007      35.862    0.003
2085.0    115.104    0.007      35.817    0.004
2086.0    115.163    0.007      35.773    0.004
2087.0    115.223    0.007      35.729    0.004
2088.0    115.283    0.008      35.685    0.004
2089.0    115.342    0.008      35.640    0.004
2090.0    115.402    0.008      35.596    0.004
2091.0    115.462    0.008      35.552    0.004
2092.0    115.522    0.008      35.508    0.004
2093.0    115.582    0.008      35.464    0.004
2094.0    115.642    0.008      35.420    0.004
2095.0    115.703    0.008      35.376    0.004
2096.0    115.763    0.008      35.333    0.004
2097.0    115.823    0.009      35.289    0.004
2098.0    115.883    0.009      35.245    0.004
2099.0    115.944    0.009      35.201    0.004
2100.0    116.004    0.009      35.158    0.004




Measurements for STF 1831 AC
 

WDS ID      Discovr     Comp  #    Sep      PA       Epoch      Obs  Telescope     Camera    Note

-------------------------------------------------------------------------------------------------

14161+5643  STF 1831    AC    1    111.84"  218.44°  B2025.334  HWI  120/900 APO   ASI678MM 

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


WDS record for STF 1831 AC
wds_id                       : 14161+5643
discoverer_code              : STF
discoverer_number            : 1831
discoverer_components        : AC
date_first                   : 1872
date_last                    : 2017
num_of_obs                   : 42
pa_first                     : 227
pa_last                      : 219
sep_first                    : 105.0
sep_last                     : 112.2
mag_primary                  : 7.16
mag_secondary                : 6.73
spectral_type                : F8V
primary_proper_motion_RA     : -40
primary_proper_motion_DEC    : 3
secondary_proper_motion_RA   : -3
secondary_proper_motion_DEC  : -93
dm_number                    : 
notes                        : NZ
precise_coordinate           : 141608.47+564245.7
                             : 14:16:08.47 +56:42:45.7

WDS Notes:
----------
N: Notes found in WDSNOT MEMO of WDS
Z: Statistically the same parallax: physical



Parsed GAIA Input Data
Click to expand/collapse the Gaia Input Data:
Star A - gaiadr3.gaia_source
solution_id = 1636148068921376768
designation = Gaia DR3 1611444452123347200
source_id = 1611444452123347200
random_index = 1485159556
ref_epoch = 2016.0
ra = 213.99961169035004
ra_error = 0.082184955
dec = 56.688708982376
dec_error = 0.08738069
parallax = 20.45090273964304
parallax_error = 0.10075188
parallax_over_error = 202.98283
pm = 90.97319
pmra = -1.1891930088094753
pmra_error = 0.097988
pmdec = -90.96541965079697
pmdec_error = 0.10355712
ra_dec_corr = -0.022641687
ra_parallax_corr = 0.1090799
ra_pmra_corr = -0.16239849
ra_pmdec_corr = 0.14531155
dec_parallax_corr = 0.07410981
dec_pmra_corr = 0.16008575
dec_pmdec_corr = -0.07869899
parallax_pmra_corr = -0.16508475
parallax_pmdec_corr = -0.25766903
pmra_pmdec_corr = -0.09962174
astrometric_n_obs_al = 334
astrometric_n_obs_ac = 334
astrometric_n_good_obs_al = 334
astrometric_n_bad_obs_al = 0
astrometric_gof_al = 85.8511
astrometric_chi2_al = 36385.805
astrometric_excess_noise = 1.0618205
astrometric_excess_noise_sig = 1405.6405
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.5768648
astrometric_matched_transits = 38
visibility_periods_used = 23
astrometric_sigma5d_max = 0.14942567
matched_transits = 59
new_matched_transits = 17
matched_transits_removed = 6
ipd_gof_harmonic_amplitude = 0.018915355
ipd_gof_harmonic_phase = 158.14699
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 5.8064785
duplicated_source = false
phot_g_n_obs = 479
phot_g_mean_flux = 45877128.59272026
phot_g_mean_flux_error = 6589.737
phot_g_mean_flux_over_error = 6961.9062
phot_g_mean_mag = 6.533376
phot_bp_n_obs = 51
phot_bp_mean_flux = 25529759.449759264
phot_bp_mean_flux_error = 14285.481
phot_bp_mean_flux_over_error = 1787.1123
phot_bp_mean_mag = 6.820925
phot_rp_n_obs = 49
phot_rp_mean_flux = 29404143.882698253
phot_rp_mean_flux_error = 16334.199
phot_rp_mean_flux_over_error = 1800.1583
phot_rp_mean_mag = 6.0768743
phot_bp_rp_excess_factor = 1.1974137
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 = 0.744051
bp_g = 0.28754902
g_rp = 0.45650196
radial_velocity = -32.832058
radial_velocity_error = 0.15590212
rv_method_used = 1
rv_nb_transits = 28
rv_nb_deblended_transits = 0
rv_visibility_periods_used = 17
rv_expected_sig_to_noise = 710.3806
rv_renormalised_gof = 7.0845127
rv_chisq_pvalue = 0.0
rv_time_duration = 998.7628
rv_amplitude_robust = 1.4206009
rv_template_teff = 6250.0
rv_template_logg = 4.0
rv_template_fe_h = 0.25
rv_atm_param_origin = 222
grvs_mag = 5.9160886
grvs_mag_error = 0.0046045254
grvs_mag_nb_transits = 28
phot_variable_flag = NOT_AVAILABLE
l = 101.71502511255304
b = 56.81858910556136
ecl_lon = 173.65042986695448
ecl_lat = 62.73482949773095
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 = 1.7308995e-13
classprob_dsc_combmod_galaxy = 8.6457566e-13
classprob_dsc_combmod_star = 0.99296397
teff_gspphot = 5933.7827
teff_gspphot_lower = 5930.4414
teff_gspphot_upper = 5937.6313
logg_gspphot = 3.8308
logg_gspphot_lower = 3.7856
logg_gspphot_upper = 3.8479
mh_gspphot = -0.5108
mh_gspphot_lower = -0.5324
mh_gspphot_upper = -0.4941
distance_gspphot = 50.4804
distance_gspphot_lower = 49.1753
distance_gspphot_upper = 53.9492
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 = 0.0019
ebpminrp_gspphot = 0.0004
ebpminrp_gspphot_lower = 0.0
ebpminrp_gspphot_upper = 0.0011
libname_gspphot = PHOENIX
    Star B - gaiadr3.gaia_source
solution_id = 1636148068921376768
designation = Gaia DR3 1611444898799946624
source_id = 1611444898799946624
random_index = 725942786
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 = true
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 = true
has_xp_sampled = true
has_rvs = false
has_epoch_photometry = false
has_epoch_rv = false
has_mcmc_gspphot = true
has_mcmc_msc = true
in_andromeda_survey = false
classprob_dsc_combmod_quasar = 1.0202512e-11
classprob_dsc_combmod_galaxy = 5.0961034e-11
classprob_dsc_combmod_star = 1.0000273e-06
teff_gspphot = 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
- gaiadr3.astrophysical_parameters
solution_id = 1636148068921376768
source_id = 1611444452123347200
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 = 5933.7827
teff_gspphot_lower = 5930.4414
teff_gspphot_upper = 5937.6313
logg_gspphot = 3.8308
logg_gspphot_lower = 3.7856
logg_gspphot_upper = 3.8479
mh_gspphot = -0.5108
mh_gspphot_lower = -0.5324
mh_gspphot_upper = -0.4941
distance_gspphot = 50.4804
distance_gspphot_lower = 49.1753
distance_gspphot_upper = 53.9492
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 = 0.0019
abp_gspphot = 0.0009
abp_gspphot_lower = 0.0002
abp_gspphot_upper = 0.0024
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 = 0.0011
mg_gspphot = 3.0037
mg_gspphot_lower = 2.8577
mg_gspphot_upper = 3.0617
radius_gspphot = 2.0452
radius_gspphot_lower = 1.9917
radius_gspphot_upper = 2.1878
logposterior_gspphot = -3232.1877
mcmcaccept_gspphot = 0.1968652
libname_gspphot = PHOENIX
teff_gspspec = 5865.0
teff_gspspec_lower = 5854.0
teff_gspspec_upper = 5871.0
logg_gspspec = 3.79
logg_gspspec_lower = 3.76
logg_gspspec_upper = 3.82
mh_gspspec = -0.11
mh_gspspec_lower = -0.15
mh_gspspec_upper = -0.1
alphafe_gspspec = 0.28
alphafe_gspspec_lower = 0.27
alphafe_gspspec_upper = 0.28
fem_gspspec = -0.01
fem_gspspec_lower = -0.05
fem_gspspec_upper = 0.03
fem_gspspec_nlines = 8
fem_gspspec_linescatter = 0.13
sife_gspspec = 0.11
sife_gspspec_lower = 0.07
sife_gspspec_upper = 0.15
sife_gspspec_nlines = 3
sife_gspspec_linescatter = 0.08
cafe_gspspec = 0.27
cafe_gspspec_lower = 0.25
cafe_gspspec_upper = 0.28
cafe_gspspec_nlines = 7
cafe_gspspec_linescatter = 0.04
tife_gspspec = 0.28
tife_gspspec_lower = 0.23
tife_gspspec_upper = 0.34
tife_gspspec_nlines = 2
tife_gspspec_linescatter = 0.03
mgfe_gspspec = 0.12
mgfe_gspspec_lower = 0.06
mgfe_gspspec_upper = 0.16
mgfe_gspspec_nlines = 1
mgfe_gspspec_linescatter = 0.0
feiim_gspspec = 0.51
feiim_gspspec_lower = 0.45
feiim_gspspec_upper = 0.57
feiim_gspspec_nlines = 1
feiim_gspspec_linescatter = 0.0
sfe_gspspec = 0.27
sfe_gspspec_lower = 0.23
sfe_gspspec_upper = 0.3
sfe_gspspec_nlines = 2
sfe_gspspec_linescatter = 0.02
crfe_gspspec = 0.32
crfe_gspspec_lower = 0.22
crfe_gspspec_upper = 0.4
crfe_gspspec_nlines = 1
crfe_gspspec_linescatter = 0.0
nife_gspspec = 0.06
nife_gspspec_lower = -0.06
nife_gspspec_upper = 0.12
nife_gspspec_nlines = 1
nife_gspspec_linescatter = 0.0
dib_gspspec_lambda = 861.71027
dib_gspspec_lambda_uncertainty = 0.021463828
dibew_gspspec = 0.016
dibew_gspspec_uncertainty = 0.003
dibewnoise_gspspec_uncertainty = 0.0004
dibp0_gspspec = -0.0049
dibp2_gspspec = 1.2473
dibp2_gspspec_uncertainty = 0.161
dibqf_gspspec = 5
flags_gspspec = 00000000000009900000000101000000099999995
logchisq_gspspec = -4.233969
ew_espels_halpha = 0.08342506
ew_espels_halpha_uncertainty = 0.0217203
ew_espels_halpha_flag = 0
ew_espels_halpha_model = 0.125056
flags_esphs = 94
spectraltype_esphs = G
activityindex_espcs = 0.00052110985
activityindex_espcs_uncertainty = 0.00010443273
activityindex_espcs_input = M1
radius_flame = 2.0074723
radius_flame_lower = 1.9662386
radius_flame_upper = 2.0486307
lum_flame = 4.3081455
lum_flame_lower = 4.267829
lum_flame_upper = 4.347023
mass_flame = 1.2158674
mass_flame_lower = 1.1755955
mass_flame_upper = 1.2559798
age_flame = 5.157331
age_flame_lower = 4.5997
age_flame_upper = 5.7187567
flags_flame = 00
evolstage_flame = 438
gravredshift_flame = 0.32349366
gravredshift_flame_lower = 0.31274936
gravredshift_flame_upper = 0.33048144
bc_flame = 0.066613175
mh_msc = 0.12508762
mh_msc_upper = 0.5
mh_msc_lower = -0.33152026
azero_msc = 0.18344225
azero_msc_upper = 0.29574335
azero_msc_lower = 0.0
distance_msc = 49.76223
distance_msc_upper = 53.852463
distance_msc_lower = 39.52175
teff_msc1 = 6034.038
teff_msc1_upper = 7321.509
teff_msc1_lower = 5758.2227
teff_msc2 = 6083.4775
teff_msc2_upper = 6289.7715
teff_msc2_lower = 5515.9385
logg_msc1 = 4.163315
logg_msc1_upper = 5.100486
logg_msc1_lower = 4.0263386
logg_msc2 = 4.806344
logg_msc2_upper = 5.2
logg_msc2_lower = 4.1015167
ag_msc = 0.15399128
ag_msc_upper = 0.24882138
ag_msc_lower = 0.0
logposterior_msc = 420.94052
mcmcaccept_msc = 0.17348449
mcmcdrift_msc = 0.0169896
flags_msc = 0
neuron_oa_id = 202105281205440415
neuron_oa_dist = 4.8059387e-06
neuron_oa_dist_percentile_rank = 75
flags_oa = 0012
    - 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




Observation Date:


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


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


Report Information
Double Star Calculator: Version 1.2 ($Rev: 2591 $)
Report created: 2026-09-09 08:34:50 +0200



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