☰Double Star Calculator - Results


STFA 43 AB - Astrometric and kinematic properties
 
Gaia Source ID - Star A          : 2026116260337482112     Simbad
Gaia Source ID - Star B          : 2026113339752723456     Simbad

Observation Epoch                :  J2024.658  /  2024-08-29
Angular Separation               :     34.601  ±   0.0034  arcsec
Position Angle                   :      53.87  ±   0.0061  degree

Star A/B Epoch                   :  J2016.000  /   J2016.000
Angular Separation               :     34.594  ±   0.0003  arcsec
Position Angle                   :      54.03  ±   0.0005  degree 
Projected Separation             :       4038              au
Spatial Separation               :      10.77  ±     5.67  pc
  Spatial Separation             :      35.12  ±    18.48  ly
Parallax Significance            :       1.74              σ
3D Space Velocity Angle          :      13.12  ±     0.85  degree
ΔProper Motion Angle             :      58.83  ±     2.61  degree
ΔTotal Proper Motion             :      10.28  ±     0.45  mas/yr
ΔTangential Velocity             :       5.33  ±     0.40  km/s
ΔRadial Velocity                 :       5.98  ±     2.20  km/s
ΔSpeed (scalar)                  :       6.76  ±     2.20  km/s
ΔRelative Velocity (3D)          :       8.42  ±     1.58  km/s

Aladin Lite Sky Atlas



Star A - Stellar Data
 
Gaia Source ID                   : 2026116260337482112           VizieR

Epoch                            :  J2016.000
Right Ascension (RA)             :     19h 30m 43.28s
Declination (Dec)                :     27° 57' 34.65"
Distance                         :     111.34  ±   5.55          pc
Distance                         :     363.14  ±  18.09          ly
Magnitude (G-band)               :       2.65                    mag
Absolute Magnitude               :      -2.58  ±   0.11          mag
Stellar Extinction               :        N/A
Spectral Type (BP/RP)            :          K
Bolometric correction            :      -0.63                    mag
Luminosity                       :    1515.74  + 158.79 / − 143.73   L☉
  Log(Luminosity)                :    3.18062
Teff (bp_rp)                     :    4800.00    K
  Log(Teff)                      :    3.68124
Mass estimation                  :       6.38                    M☉
RUWE                             :       9.43
Position Angle of Proper Motion  :     156.17  ±   1.70          degree
Total Proper Motion              :      12.16  ±   0.44          mas/yr
Tangential Velocity              :       6.42  ±   0.40          km/s
Radial Velocity (Simbad)         :     -24.78  ±   0.03          km/s
  Bibcode                        :                   2022ApJS..259...35A
Space Velocity                   :      25.59  ±   0.10          km/s

Star A - Selected astrophysical parameters
 
DSC-Combmod binary star          :       0.00
DSC-Specmod binary star          :       0.00
Spectral type from ESP-ELS       :          G

Star A - Double Star Quality Metrics
Parallax over error :     20.074 : very good
RUWE                :      9.430 : poor astrometric fit, (possible double)
Non Single Star     :            : Single Star
Duplicated source   :      false : single source
G magnitude         :      2.652 : G < 3 mag, possible saturation effects
Excess noise        :      3.715 : Poor fit
  Significance      :  19918.896 :   Possible binary or jitter
BP-RP excess factor :      0.908 : photometry inconsistent
Visibility periods  :         24 : high, indicates well observed star
IPD multi-peak frac :        62% : mulitple peaks detected (possible double)
IDP GoF harmonic amp:      0.189 : slight indication of structure


Star B - Stellar Data
 
Gaia Source ID                   : 2026113339752723456           VizieR

Epoch                            :  J2016.000
Right Ascension (RA)             :     19h 30m 45.39s
Declination (Dec)                :     27° 57' 54.96"
Distance                         :     122.11  ±   1.16          pc
Distance                         :     398.26  ±   3.80          ly
Magnitude (G-band)               :       5.10                    mag
Absolute Magnitude               :      -0.33  ±   0.02          mag
Stellar Extinction               :       0.00  ±  <0.01          mag
Spectral Type (BP/RP)            :          B
Bolometric correction            :      -1.34                    mag
Luminosity                       :     366.97  + 7.07 / − 6.94   L☉
  Log(Luminosity)                :    2.56463
Effective temperature (Teff)     :   11185.90  +15.63 / -12.12   K
  Log(Teff)                      :    4.04867
Mass estimation                  :       4.44                    M☉
RUWE                             :       0.92
Position Angle of Proper Motion  :     214.99  ±   1.98          degree
Total Proper Motion              :       1.88  ±   0.07          mas/yr
Tangential Velocity              :       1.09  ±   0.04          km/s
Radial Velocity (Simbad)         :     -18.80  ±   2.20          km/s
  Bibcode                        :                   2007AN....328..889K
Space Velocity                   :      18.83  ±   2.20          km/s

Star B - Selected astrophysical parameters
 
DSC-Combmod binary star          :       0.00
DSC-Specmod binary star          :       0.00
Radius from GSP-Phot Aeneas      :       3.66  ±   0.01          R☉
Spectral type from ESP-ELS       :          B
Radius of the star from FLAME    :       3.56  ±   0.08          R☉
Bolometric correction            :      -0.57                    mag
Luminosity of the star (FLAME)   :     178.62  ±   3.18          L☉
Mass of the star from FLAME      :       3.28  ±   0.04          M☉
FLAME quality indicators         :         00
  Quality                        :       OK
  Source                         :       Parallax used
Evolutionary stage from FLAME    :        258      Main Sequence (early)

Star B - Double Star Quality Metrics
Parallax over error :    104.861 : very good
RUWE                :      0.920 : good astrometric fit (single star)
Non Single Star     :            : Single Star
Duplicated source   :       true : possible close pair or data artifact
G magnitude         :      5.103 : G > 3 mag, photometry reliable
Excess noise        :      0.632 : Good fit
  Significance      :    617.656 :   Minor noise, likely negligible
BP-RP excess factor :      1.152 : photometry consistent
Visibility periods  :         23 : high, indicates well observed star
IPD multi-peak frac :         0% : single peak detected
IDP GoF harmonic amp:      0.016 : 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)          :        0.93     (DPM)

Co-Moving

UWLE for Co-Moving Pairs (3D)      :
===================================
COMOV: Velocity Evidence Indicator :        0.07     (Unlikely)
COMOV: Distance Evidence Indicator :        0.01     (Unlikely)
Co-Moving Total Evidence Indicator :        0.02     (Unlikely)

rPM/COMOV Agreement                :                 (High)

Binarity

Separation, Sigma and Reliability  :
===================================
Projected Separation               :        4038     au
Spatial Separation                 :       10.77  ±     5.67  pc
  1-Sigma Range                    : [      5.10,      16.43] pc
  Significance                     :        1.74     σ
  Note: 3D distance not significantly resolved

3D spatial distance probabilities :
===================================
P(D-3D <=       8076 au)           :        0.0      %  (2.0 * D-projected)
P(D-3D <=      10000 au)           :        0.0      %  (Wide binary)
P(D-3D <=      20000 au)           :        0.1      %  (Very wide binary)
P(D-3D <=      50000 au)           :        0.3      %  (Extremely wide)
P(D-3D <=     206265 au)           :        1.4      %  (Jacobi radius)


Proper Motion and Velocity         :
===================================
rPM (Proper Motion Ratio)          :        0.93     (DPM)
ΔRelative Velocity (3D)            :        8.42  ±  1.58   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 for Wide Binaries (2D)        :
===================================
WBS: Velocity Evidence Indicator   :        0.00     (Unlikely)
WBS: Distance Evidence Indicator   :        0.02     (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

RUWE parameters
RUWE probability for a binary system (Star A) :  9.43 : Very high
RUWE probability for a binary system (Star B) :  0.92 : 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     34.528    0.045      56.203    0.083
1901.0     34.529    0.044      56.185    0.082
1902.0     34.529    0.044      56.166    0.082
1903.0     34.530    0.044      56.147    0.081
1904.0     34.530    0.043      56.128    0.080
1905.0     34.530    0.043      56.110    0.079
1906.0     34.531    0.042      56.091    0.079
1907.0     34.531    0.042      56.072    0.078
1908.0     34.531    0.042      56.053    0.077
1909.0     34.532    0.041      56.035    0.077
1910.0     34.532    0.041      56.016    0.076
1911.0     34.533    0.041      55.997    0.075
1912.0     34.533    0.040      55.978    0.074
1913.0     34.533    0.040      55.960    0.074
1914.0     34.534    0.039      55.941    0.073
1915.0     34.534    0.039      55.922    0.072
1916.0     34.535    0.039      55.903    0.071
1917.0     34.535    0.038      55.885    0.071
1918.0     34.535    0.038      55.866    0.070
1919.0     34.536    0.037      55.847    0.069
1920.0     34.536    0.037      55.828    0.069
1921.0     34.537    0.037      55.810    0.068
1922.0     34.537    0.036      55.791    0.067
1923.0     34.538    0.036      55.772    0.066
1924.0     34.538    0.036      55.753    0.066
1925.0     34.538    0.035      55.735    0.065
1926.0     34.539    0.035      55.716    0.064
1927.0     34.539    0.034      55.697    0.064
1928.0     34.540    0.034      55.678    0.063
1929.0     34.540    0.034      55.660    0.062
1930.0     34.541    0.033      55.641    0.061
1931.0     34.541    0.033      55.622    0.061
1932.0     34.542    0.032      55.603    0.060
1933.0     34.542    0.032      55.585    0.059
1934.0     34.543    0.032      55.566    0.059
1935.0     34.543    0.031      55.547    0.058
1936.0     34.544    0.031      55.529    0.057
1937.0     34.544    0.031      55.510    0.056
1938.0     34.545    0.030      55.491    0.056
1939.0     34.545    0.030      55.472    0.055
1940.0     34.546    0.029      55.454    0.054
1941.0     34.546    0.029      55.435    0.053
1942.0     34.547    0.029      55.416    0.053
1943.0     34.547    0.028      55.397    0.052
1944.0     34.548    0.028      55.379    0.051
1945.0     34.548    0.027      55.360    0.051
1946.0     34.549    0.027      55.341    0.050
1947.0     34.549    0.027      55.322    0.049
1948.0     34.550    0.026      55.304    0.048
1949.0     34.550    0.026      55.285    0.048
1950.0     34.551    0.026      55.266    0.047
1951.0     34.551    0.025      55.248    0.046
1952.0     34.552    0.025      55.229    0.046
1953.0     34.552    0.024      55.210    0.045
1954.0     34.553    0.024      55.191    0.044
1955.0     34.553    0.024      55.173    0.043
1956.0     34.554    0.023      55.154    0.043
1957.0     34.555    0.023      55.135    0.042
1958.0     34.555    0.022      55.116    0.041
1959.0     34.556    0.022      55.098    0.041
1960.0     34.556    0.022      55.079    0.040
1961.0     34.557    0.021      55.060    0.039
1962.0     34.557    0.021      55.042    0.038
1963.0     34.558    0.021      55.023    0.038
1964.0     34.559    0.020      55.004    0.037
1965.0     34.559    0.020      54.985    0.036
1966.0     34.560    0.019      54.967    0.036
1967.0     34.560    0.019      54.948    0.035
1968.0     34.561    0.019      54.929    0.034
1969.0     34.562    0.018      54.911    0.033
1970.0     34.562    0.018      54.892    0.033
1971.0     34.563    0.017      54.873    0.032
1972.0     34.563    0.017      54.854    0.031
1973.0     34.564    0.017      54.836    0.031
1974.0     34.565    0.016      54.817    0.030
1975.0     34.565    0.016      54.798    0.029
1976.0     34.566    0.016      54.780    0.028
1977.0     34.567    0.015      54.761    0.028
1978.0     34.567    0.015      54.742    0.027
1979.0     34.568    0.014      54.723    0.026
1980.0     34.568    0.014      54.705    0.026
1981.0     34.569    0.014      54.686    0.025
1982.0     34.570    0.013      54.667    0.024
1983.0     34.570    0.013      54.649    0.023
1984.0     34.571    0.012      54.630    0.023
1985.0     34.572    0.012      54.611    0.022
1986.0     34.572    0.012      54.593    0.021
1987.0     34.573    0.011      54.574    0.021
1988.0     34.574    0.011      54.555    0.020
1989.0     34.574    0.011      54.536    0.019
1990.0     34.575    0.010      54.518    0.018
1991.0     34.576    0.010      54.499    0.018
1992.0     34.577    0.009      54.480    0.017
1993.0     34.577    0.009      54.462    0.016
1994.0     34.578    0.009      54.443    0.016
1995.0     34.579    0.008      54.424    0.015
1996.0     34.579    0.008      54.406    0.014
1997.0     34.580    0.007      54.387    0.013
1998.0     34.581    0.007      54.368    0.013
1999.0     34.581    0.007      54.349    0.012
2000.0     34.582    0.006      54.331    0.011
2001.0     34.583    0.006      54.312    0.011
2002.0     34.584    0.005      54.293    0.010
2003.0     34.584    0.005      54.275    0.009
2004.0     34.585    0.005      54.256    0.009
2005.0     34.586    0.004      54.237    0.008
2006.0     34.587    0.004      54.219    0.007
2007.0     34.587    0.004      54.200    0.006
2008.0     34.588    0.003      54.181    0.006
2009.0     34.589    0.003      54.163    0.005
2010.0     34.590    0.002      54.144    0.004
2011.0     34.590    0.002      54.125    0.004
2012.0     34.591    0.002      54.106    0.003
2013.0     34.592    0.001      54.088    0.002
2014.0     34.593    0.001      54.069    0.002
2015.0     34.593    0.000      54.050    0.001
2016.0     34.594    0.000      54.032    0.001
2017.0     34.595    0.000      54.013    0.001
2018.0     34.596    0.001      53.994    0.002
2019.0     34.597    0.001      53.976    0.002
2020.0     34.597    0.002      53.957    0.003
2021.0     34.598    0.002      53.938    0.004
2022.0     34.599    0.002      53.920    0.004
2023.0     34.600    0.003      53.901    0.005
2024.0     34.601    0.003      53.882    0.006
2025.0     34.601    0.004      53.864    0.006
2026.0     34.602    0.004      53.845    0.007
2027.0     34.603    0.004      53.826    0.008
2028.0     34.604    0.005      53.808    0.008
2029.0     34.605    0.005      53.789    0.009
2030.0     34.605    0.005      53.770    0.010
2031.0     34.606    0.006      53.752    0.011
2032.0     34.607    0.006      53.733    0.011
2033.0     34.608    0.007      53.714    0.012
2034.0     34.609    0.007      53.696    0.013
2035.0     34.610    0.007      53.677    0.013
2036.0     34.611    0.008      53.658    0.014
2037.0     34.611    0.008      53.640    0.015
2038.0     34.612    0.009      53.621    0.016
2039.0     34.613    0.009      53.602    0.016
2040.0     34.614    0.009      53.584    0.017
2041.0     34.615    0.010      53.565    0.018
2042.0     34.616    0.010      53.546    0.018
2043.0     34.617    0.011      53.528    0.019
2044.0     34.617    0.011      53.509    0.020
2045.0     34.618    0.011      53.490    0.020
2046.0     34.619    0.012      53.472    0.021
2047.0     34.620    0.012      53.453    0.022
2048.0     34.621    0.013      53.434    0.023
2049.0     34.622    0.013      53.416    0.023
2050.0     34.623    0.013      53.397    0.024
2051.0     34.624    0.014      53.378    0.025
2052.0     34.625    0.014      53.360    0.025
2053.0     34.626    0.014      53.341    0.026
2054.0     34.627    0.015      53.323    0.027
2055.0     34.627    0.015      53.304    0.027
2056.0     34.628    0.016      53.285    0.028
2057.0     34.629    0.016      53.267    0.029
2058.0     34.630    0.016      53.248    0.030
2059.0     34.631    0.017      53.229    0.030
2060.0     34.632    0.017      53.211    0.031
2061.0     34.633    0.018      53.192    0.032
2062.0     34.634    0.018      53.173    0.032
2063.0     34.635    0.018      53.155    0.033
2064.0     34.636    0.019      53.136    0.034
2065.0     34.637    0.019      53.117    0.034
2066.0     34.638    0.020      53.099    0.035
2067.0     34.639    0.020      53.080    0.036
2068.0     34.640    0.020      53.062    0.037
2069.0     34.641    0.021      53.043    0.037
2070.0     34.642    0.021      53.024    0.038
2071.0     34.643    0.022      53.006    0.039
2072.0     34.644    0.022      52.987    0.039
2073.0     34.645    0.022      52.968    0.040
2074.0     34.646    0.023      52.950    0.041
2075.0     34.647    0.023      52.931    0.041
2076.0     34.648    0.024      52.913    0.042
2077.0     34.649    0.024      52.894    0.043
2078.0     34.650    0.024      52.875    0.044
2079.0     34.651    0.025      52.857    0.044
2080.0     34.652    0.025      52.838    0.045
2081.0     34.653    0.026      52.819    0.046
2082.0     34.654    0.026      52.801    0.046
2083.0     34.655    0.026      52.782    0.047
2084.0     34.656    0.027      52.764    0.048
2085.0     34.657    0.027      52.745    0.048
2086.0     34.658    0.028      52.726    0.049
2087.0     34.659    0.028      52.708    0.050
2088.0     34.660    0.028      52.689    0.051
2089.0     34.661    0.029      52.671    0.051
2090.0     34.662    0.029      52.652    0.052
2091.0     34.663    0.029      52.633    0.053
2092.0     34.664    0.030      52.615    0.053
2093.0     34.665    0.030      52.596    0.054
2094.0     34.666    0.031      52.578    0.055
2095.0     34.667    0.031      52.559    0.055
2096.0     34.668    0.031      52.540    0.056
2097.0     34.669    0.032      52.522    0.057
2098.0     34.671    0.032      52.503    0.058
2099.0     34.672    0.033      52.485    0.058
2100.0     34.673    0.033      52.466    0.059



Measurements for STFA 43 AB
 
WDS ID      Discovr     Comp  #    Sep      PA       Epoch      Obs  Telescope     Camera    Note
-------------------------------------------------------------------------------------------------
19307+2758  STFA 43     AB    1    34.54"   --       B2024.663  HWI  120/900 APO   ASI678MM 
19307+2758  STFA 43     AB    1    34.85"   --       B2024.671  HWI  120/900 APO   ASI678MM 

19307+2758  STFA 43     AB    2    34.83"   53.9°    B2024.723  HWI  120/900 APO   ASI678MM 
*19307+2758 STFA 43     AB    1    34.79"   53.9°    B2024.723  HWI  120/900 APO   ASI678MM 
*19307+2758 STFA 43     AB    1    34.87"   53.8°    B2024.723  HWI  120/900 APO   ASI678MM

-- Image of STFA-43-AB-taken with Equinox 120/900 APO --


WDS record for STFA 43 AB
wds_id                       : 19307+2758
discoverer_code              : STFA
discoverer_number            : 43
discoverer_components        : AB
date_first                   : 1755
date_last                    : 2024
num_of_obs                   : 295
pa_first                     : 58
pa_last                      : 54
sep_first                    : 34.2
sep_last                     : 34.7
mag_primary                  : 3.19
mag_secondary                : 4.68
spectral_type                : K3II+B9.5
primary_proper_motion_RA     : 6
primary_proper_motion_DEC    : -15
secondary_proper_motion_RA   : -1
secondary_proper_motion_DEC  : -1
dm_number                    : 
notes                        : NS
precise_coordinate           : 193043.29+275734.9
                             : 19:30:43.29 +27:57:34.9

WDS Notes:
----------
N: Notes found in WDSNOT MEMO of WDS
S: Statistically different parallax/proper motion: non-physical



Parsed GAIA Input Data
Click to expand/collapse the Gaia Input Data:
Star A - gaiadr3.gaia_source
solution_id = 1636148068921376768
designation = Gaia DR3 2026116260337482112
source_id = 2026116260337482112
random_index = 726855927
ref_epoch = 2016.0
ra = 292.6803397469523
ra_error = 0.2726024
dec = 27.959624176962155
dec_error = 0.34894675
parallax = 8.981563552668588
parallax_error = 0.4474137
parallax_over_error = 20.074404
pm = 12.164521
pmra = 4.915363569551001
pmra_error = 0.33663347
pmdec = -11.127208901450981
pmdec_error = 0.4623901
ra_dec_corr = 0.03391503
ra_parallax_corr = -0.11402003
ra_pmra_corr = -0.040311053
ra_pmdec_corr = 0.11960765
dec_parallax_corr = 0.10114298
dec_pmra_corr = 0.07955526
dec_pmdec_corr = -0.17524597
parallax_pmra_corr = -0.091594905
parallax_pmdec_corr = -0.18256241
pmra_pmdec_corr = -0.00023176741
astrometric_n_obs_al = 356
astrometric_n_obs_ac = 356
astrometric_n_good_obs_al = 327
astrometric_n_bad_obs_al = 29
astrometric_gof_al = 131.6905
astrometric_chi2_al = 710350.8
astrometric_excess_noise = 3.7148569
astrometric_excess_noise_sig = 19918.896
astrometric_params_solved = 95
astrometric_primary_flag = false
pseudocolour = 1.4333062
pseudocolour_error = 0.08726878
ra_pseudocolour_corr = -0.15746163
dec_pseudocolour_corr = 0.00082402537
parallax_pseudocolour_corr = 0.079509266
pmra_pseudocolour_corr = -0.101369426
pmdec_pseudocolour_corr = -0.121419355
astrometric_matched_transits = 44
visibility_periods_used = 24
astrometric_sigma5d_max = 0.6476109
matched_transits = 47
new_matched_transits = 47
matched_transits_removed = 0
ipd_gof_harmonic_amplitude = 0.18877624
ipd_gof_harmonic_phase = 154.35002
ipd_frac_multi_peak = 62
ipd_frac_odd_win = 0
ruwe = 9.432404
duplicated_source = false
phot_g_n_obs = 304
phot_g_mean_flux = 1637849387.4904585
phot_g_mean_flux_error = 5219406.5
phot_g_mean_flux_over_error = 313.79993
phot_g_mean_mag = 2.651682
phot_bp_n_obs = 43
phot_bp_mean_flux = 493685282.0594564
phot_bp_mean_flux_error = 6885736.5
phot_bp_mean_flux_over_error = 71.6968
phot_bp_mean_mag = 3.6049168
phot_rp_n_obs = 42
phot_rp_mean_flux = 993118889.3910866
phot_rp_mean_flux_error = 13194457.0
phot_rp_mean_flux_over_error = 75.26788
phot_rp_mean_mag = 2.2553923
phot_bp_rp_excess_factor = 0.9077783
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 = 1.3495245
bp_g = 0.9532349
g_rp = 0.3962896
phot_variable_flag = NOT_AVAILABLE
l = 62.10958590267212
b = 4.571479483290405
ecl_lon = 301.2516385570467
ecl_lat = 48.96764223232417
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 = 1.0584599e-09
classprob_dsc_combmod_galaxy = 6.434485e-08
classprob_dsc_combmod_star = 0.99995506
radial_velocity = -24.7752
radial_velocity_error = 0.0251
    Star B - gaiadr3.gaia_source
solution_id = 1636148068921376768
designation = Gaia DR3 2026113339752723456
source_id = 2026113339752723456
random_index = 56604910
ref_epoch = 2016.0
ra = 292.6891453335255
ra_error = 0.04365643
dec = 27.965267911681117
dec_error = 0.062455468
parallax = 8.189592285429914
parallax_error = 0.078099154
parallax_over_error = 104.86147
pm = 1.879567
pmra = -1.0778828069104258
pmra_error = 0.059017364
pmdec = -1.5397860230286746
pmdec_error = 0.07558399
ra_dec_corr = -0.18501113
ra_parallax_corr = -0.19864808
ra_pmra_corr = -0.09468443
ra_pmdec_corr = 0.006860253
dec_parallax_corr = 0.28261274
dec_pmra_corr = -0.0868468
dec_pmdec_corr = -0.3673403
parallax_pmra_corr = -0.14761586
parallax_pmdec_corr = -0.26344824
pmra_pmdec_corr = -0.16943426
astrometric_n_obs_al = 389
astrometric_n_obs_ac = 389
astrometric_n_good_obs_al = 380
astrometric_n_bad_obs_al = 9
astrometric_gof_al = -2.2822795
astrometric_chi2_al = 22482.166
astrometric_excess_noise = 0.6322554
astrometric_excess_noise_sig = 617.656
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.7859207
astrometric_matched_transits = 44
visibility_periods_used = 23
astrometric_sigma5d_max = 0.11054561
matched_transits = 45
new_matched_transits = 20
matched_transits_removed = 15
ipd_gof_harmonic_amplitude = 0.016442003
ipd_gof_harmonic_phase = 32.42258
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 0.9169677
duplicated_source = true
phot_g_n_obs = 376
phot_g_mean_flux = 171291856.13257843
phot_g_mean_flux_error = 108217.64
phot_g_mean_flux_over_error = 1582.846
phot_g_mean_mag = 5.103025
phot_bp_n_obs = 44
phot_bp_mean_flux = 128678305.83334915
phot_bp_mean_flux_error = 138095.03
phot_bp_mean_flux_over_error = 931.8098
phot_bp_mean_mag = 5.064779
phot_rp_n_obs = 39
phot_rp_mean_flux = 68732456.82070757
phot_rp_mean_flux_error = 131903.61
phot_rp_mean_flux_over_error = 521.08093
phot_rp_mean_mag = 5.1549907
phot_bp_rp_excess_factor = 1.1524819
phot_bp_n_contaminated_transits = 0
phot_bp_n_blended_transits = 44
phot_rp_n_contaminated_transits = 0
phot_rp_n_blended_transits = 39
phot_proc_mode = 0
bp_rp = -0.09021187
bp_g = -0.038246155
g_rp = -0.051965714
phot_variable_flag = NOT_AVAILABLE
l = 62.11827651641045
b = 4.567320749639327
ecl_lon = 301.2651673171732
ecl_lat = 48.97131217620627
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 = 1.0218271e-13
classprob_dsc_combmod_galaxy = 5.103975e-13
classprob_dsc_combmod_star = 0.99999166
teff_gspphot = 11185.8955
teff_gspphot_lower = 11173.78
teff_gspphot_upper = 11201.529
logg_gspphot = 3.7244
logg_gspphot_lower = 3.7221
logg_gspphot_upper = 3.7274
mh_gspphot = -0.6417
mh_gspphot_lower = -0.6418
mh_gspphot_upper = -0.6416
distance_gspphot = 127.2642
distance_gspphot_lower = 126.949
distance_gspphot_upper = 127.4936
azero_gspphot = 0.0009
azero_gspphot_lower = 0.0002
azero_gspphot_upper = 0.0023
ag_gspphot = 0.0009
ag_gspphot_lower = 0.0002
ag_gspphot_upper = 0.0022
ebpminrp_gspphot = 0.0005
ebpminrp_gspphot_lower = 0.0001
ebpminrp_gspphot_upper = 0.0012
libname_gspphot = A
radial_velocity = -18.8
radial_velocity_error = 2.2
- gaiadr3.astrophysical_parameters
solution_id = 1636148068921376768
source_id = 2026116260337482112
classprob_dsc_combmod_quasar = 1.0584599e-09
classprob_dsc_combmod_galaxy = 6.434485e-08
classprob_dsc_combmod_star = 0.99995506
classprob_dsc_combmod_whitedwarf = 4.686483e-10
classprob_dsc_combmod_binarystar = 4.4894587e-05
classprob_dsc_specmod_quasar = 0.00010313822
classprob_dsc_specmod_galaxy = 0.0012553551
classprob_dsc_specmod_star = 0.99417555
classprob_dsc_specmod_whitedwarf = 2.3167047e-06
classprob_dsc_specmod_binarystar = 0.004463627
classprob_dsc_allosmod_quasar = 0.0
classprob_dsc_allosmod_galaxy = 0.0
classprob_dsc_allosmod_star = 1.0
ew_espels_halpha = -0.0733596
ew_espels_halpha_uncertainty = 0.09425058
ew_espels_halpha_flag = 0
ew_espels_halpha_model = 0.37837
flags_esphs = 94
spectraltype_esphs = G
mh_msc = 0.07710026
mh_msc_upper = 0.5
mh_msc_lower = -1.0
azero_msc = 1.0390315
azero_msc_upper = 2.4170527
azero_msc_lower = 0.0
distance_msc = 31.261217
distance_msc_upper = 59.360718
distance_msc_lower = 10.0
teff_msc1 = 4990.9136
teff_msc1_upper = 7025.9233
teff_msc1_lower = 3000.0
teff_msc2 = 5968.409
teff_msc2_upper = 8000.0
teff_msc2_lower = 3000.0
logg_msc1 = 2.7842107
logg_msc1_upper = 4.1637864
logg_msc1_lower = 2.0
logg_msc2 = 3.290524
logg_msc2_upper = 5.103819
logg_msc2_lower = 2.290625
ag_msc = 0.81560194
ag_msc_upper = 1.9408125
ag_msc_lower = 0.0
logposterior_msc = -6869.1
mcmcaccept_msc = 0.17880668
mcmcdrift_msc = 0.13792104
flags_msc = 1
    - gaiadr3.astrophysical_parameters
solution_id = 1636148068921376768
source_id = 2026113339752723456
classprob_dsc_combmod_quasar = 1.0218271e-13
classprob_dsc_combmod_galaxy = 5.103975e-13
classprob_dsc_combmod_star = 0.99999166
classprob_dsc_combmod_whitedwarf = 1.519149e-07
classprob_dsc_combmod_binarystar = 8.217164e-06
classprob_dsc_specmod_quasar = 0.0
classprob_dsc_specmod_galaxy = 0.0
classprob_dsc_specmod_star = 0.99842215
classprob_dsc_specmod_whitedwarf = 0.0007573979
classprob_dsc_specmod_binarystar = 0.0008204399
classprob_dsc_allosmod_quasar = 0.0
classprob_dsc_allosmod_galaxy = 0.0
classprob_dsc_allosmod_star = 1.0
teff_gspphot = 11185.8955
teff_gspphot_lower = 11173.78
teff_gspphot_upper = 11201.529
logg_gspphot = 3.7244
logg_gspphot_lower = 3.7221
logg_gspphot_upper = 3.7274
mh_gspphot = -0.6417
mh_gspphot_lower = -0.6418
mh_gspphot_upper = -0.6416
distance_gspphot = 127.2642
distance_gspphot_lower = 126.949
distance_gspphot_upper = 127.4936
azero_gspphot = 0.0009
azero_gspphot_lower = 0.0002
azero_gspphot_upper = 0.0023
ag_gspphot = 0.0009
ag_gspphot_lower = 0.0002
ag_gspphot_upper = 0.0022
abp_gspphot = 0.0011
abp_gspphot_lower = 0.0002
abp_gspphot_upper = 0.0026
arp_gspphot = 0.0006
arp_gspphot_lower = 0.0001
arp_gspphot_upper = 0.0014
ebpminrp_gspphot = 0.0005
ebpminrp_gspphot_lower = 0.0001
ebpminrp_gspphot_upper = 0.0012
mg_gspphot = -0.3564
mg_gspphot_lower = -0.358
mg_gspphot_upper = -0.3545
radius_gspphot = 3.6571
radius_gspphot_lower = 3.6449
radius_gspphot_upper = 3.6666
logposterior_gspphot = -4230.6587
mcmcaccept_gspphot = 0.40702194
libname_gspphot = A
ew_espels_halpha = -0.07156868
ew_espels_halpha_uncertainty = 0.021806804
ew_espels_halpha_flag = 0
ew_espels_halpha_model = 0.385091
azero_esphs = 2.9994123e-07
azero_esphs_uncertainty = 0.021267978
ag_esphs = 2.9420096e-07
ag_esphs_uncertainty = 0.010430623
ebpminrp_esphs = 1.5706533e-07
ebpminrp_esphs_uncertainty = 0.005568606
teff_esphs = 11976.963
teff_esphs_uncertainty = 281.4011
logg_esphs = 3.984547
logg_esphs_uncertainty = 0.20675668
flags_esphs = 11
spectraltype_esphs = B
radius_flame = 3.5575936
radius_flame_lower = 3.4803185
radius_flame_upper = 3.636087
lum_flame = 178.61835
lum_flame_lower = 175.59111
lum_flame_upper = 181.94667
mass_flame = 3.2801595
mass_flame_lower = 3.238448
mass_flame_upper = 3.3222215
age_flame = 0.23097676
age_flame_lower = 0.2026234
age_flame_upper = 0.2593279
flags_flame = 00
evolstage_flame = 258
gravredshift_flame = 0.45807943
gravredshift_flame_lower = 0.45701697
gravredshift_flame_upper = 0.4594592
bc_flame = -0.566883
mh_msc = -0.10007621
mh_msc_upper = -0.09954156
mh_msc_lower = -0.10055335
azero_msc = 0.00031961285
azero_msc_upper = 0.0011669653
azero_msc_lower = 0.0
distance_msc = 80.04097
distance_msc_upper = 80.54733
distance_msc_lower = 79.56215
teff_msc1 = 7400.4326
teff_msc1_upper = 7402.9277
teff_msc1_lower = 7397.4053
teff_msc2 = 7599.291
teff_msc2_upper = 7603.754
teff_msc2_lower = 7594.325
logg_msc1 = 3.6995175
logg_msc1_upper = 3.7031033
logg_msc1_lower = 3.6963012
logg_msc2 = 3.9006867
logg_msc2_upper = 3.9033856
logg_msc2_lower = 3.8973536
ag_msc = 0.00029021373
ag_msc_upper = 0.0010598653
ag_msc_lower = 0.0
logposterior_msc = -467580.7
mcmcaccept_msc = 0.3109308
mcmcdrift_msc = 0.9317359
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. 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 08:50:27 +0200


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