Double Star Calculator - Results


Discoverer & Number:    STF 716 AB
Gaia Source ID - Star A          : 3416960501913604352     Simbad
Gaia Source ID - Star B          : 3416960501913604736     Simbad
Observation Epoch : J2024.070 / 2024-01-27 Angular Separation : 4.771 ± 0.0023 arcsec Position Angle : 209.49 ± 0.0307 degree
Star A/B Epoch : J2016.000 / J2016.000 Angular Separation : 4.727 ± 0.0002 arcsec Position Angle : 209.00 ± 0.0029 degree Projected Separation : 503.50 au Spatial Separation : 3.85 ± 3.69 pc Spatial Separation : 12.56 ± 12.05 ly Parallax Significance (RI) : 1.01 σ ΔProper Motion Angle : 10.43 ± 0.53 degree ΔTotal Proper Motion : 1.30 ± 0.27 mas/yr ΔTangential Velocity : 0.07 ± 0.72 km/s ΔRadial Velocity : 5.00 km/s ΔSpeed (scalar) : 3.21 km/s ΔRelative Velocity (3D) : 6.20 km/s

Aladin Lite Sky Atlas



Star A
Gaia Source ID                   : 3416960501913604352           VizieR
Epoch : J2016.000 Right Ascension (RA) : 05h 29m 16.51s Declination (Dec) : 25° 09' 0.15" Distance : 108.45 ± 0.70 pc Distance : 353.71 ± 2.27 ly Magnitude (G-band) : 5.87 mag Absolute Magnitude : 0.69 ± 0.01 mag Stellar Extinction : 0.00 ± <0.01 mag Spectral Type (BP/RP) : O Bolometric correction : -3.50 mag Luminosity : 1047.23 + 13.55 / − 13.37 L☉ Log(Luminosity) : 3.02004 Effective temperature (Teff) : 11733.86 +23.49 / -30.45 K Log(Teff) : 4.06944 Mass estimation : 5.79 M☉ RUWE : 0.97 Position Angle of Proper Motion : 166.48 ± 0.11 degree Total Proper Motion : 39.35 ± 0.05 mas/yr Tangential Velocity : 20.23 ± 0.13 km/s Radial Velocity (Simbad) : 15.00 km/s Bibcode : 1995A&AS..114..269D Space Velocity : 25.18 km/s

Star A - Selected astrophysical parameters
DSC-Combmod binary star          :       0.00
DSC-Specmod binary star          :       0.00
Radius from GSP-Phot Aeneas      :       2.13  ±   0.01          R☉
Spectral type from ESP-ELS       :          B
Radius of the star from FLAME    :       2.14  ±   0.04          R☉
Bolometric correction            :      -0.69                    mag
Luminosity of the star (FLAME)   :      77.87  ±   1.02          L☉
Mass of the star from FLAME      :       2.90  ±   0.04          M☉
FLAME quality indicators         :         00
  Quality                        :       OK
  Source                         :       Parallax used
Evolutionary stage from FLAME    :        148      Main Sequence (early)

Star A - Double Star Quality Metrics
Parallax over error :    155.719 : very good
RUWE                :      0.970 : good astrometric fit (single star)
Non Single Star     :            : Single Star
Duplicated source   :      false : single source
G magnitude         :      5.867 : G > 3 mag, photometry reliable
Excess noise        :      0.374 : Good fit
  Significance      :    188.182 :   Minor noise, likely negligible
BP-RP excess factor :      1.157 : photometry consistent
Visibility periods  :         14 : high, indicates well observed star
IPD multi-peak frac :         0% : single peak detected
IDP GoF harmonic amp:      0.040 : unobtrusive (single star source)


Star B
Gaia Source ID                   : 3416960501913604736           VizieR
Epoch : J2016.000 Right Ascension (RA) : 05h 29m 16.34s Declination (Dec) : 25° 08' 56.02" Distance : 104.60 ± 3.63 pc Distance : 341.15 ± 11.83 ly Magnitude (G-band) : 6.72 mag Absolute Magnitude : 1.39 ± 0.08 mag Stellar Extinction : 0.23 ± <0.01 mag Spectral Type (BP/RP) : B Bolometric correction : -1.40 mag Luminosity : 79.23 + 5.70 / − 5.31 L☉ Log(Luminosity) : 1.89888 Effective temperature (Teff) : 9217.57 +17.49 / -11.88 K Log(Teff) : 3.96462 Mass estimation : 3.02 M☉ RUWE : 8.80 Position Angle of Proper Motion : 176.91 ± 0.52 degree Total Proper Motion : 40.65 ± 0.27 mas/yr Tangential Velocity : 20.15 ± 0.71 km/s Radial Velocity (Simbad) : 20.00 ± 20.00 km/s Bibcode : 1979IAUS...30...57E Space Velocity : 28.39 ± 14.10 km/s

Star B - Selected astrophysical parameters
DSC-Combmod binary star          :       0.00
DSC-Specmod binary star          :       0.05
Radius from GSP-Phot Aeneas      :       2.00  ±   0.01          R☉
Spectral type from ESP-ELS       :          B
Radius of the star from FLAME    :       2.16  ±   0.08          R☉
Bolometric correction            :       0.04                    mag
Luminosity of the star (FLAME)   :      16.78  ±   1.04          L☉
Mass of the star from FLAME      :       1.88  ±   0.05          M☉
FLAME quality indicators         :         00
  Quality                        :       OK
  Source                         :       Parallax used
Evolutionary stage from FLAME    :        224      Main Sequence (early)

Star B - Double Star Quality Metrics
Parallax over error :     28.829 : very good
RUWE                :      8.800 : poor astrometric fit, (possible double)
Non Single Star     :            : Single Star
Duplicated source   :      false : single source
G magnitude         :      6.725 : G > 3 mag, photometry reliable
Excess noise        :      2.243 : Poor fit
  Significance      :   5230.072 :   Possible binary or jitter
BP-RP excess factor :      1.193 : photometry consistent
Visibility periods  :         16 : high, indicates well observed star
IPD multi-peak frac :        21% : mulitple peaks detected (possible double)
IDP GoF harmonic amp:      0.204 : slight indication of structure

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)          :        0.18     (CPM)

Co-Moving

UWLE for Co-Moving Pairs (3D)      :
===================================
COMOV: Velocity Evidence Indicator :                 (Unknown)
COMOV: Distance Evidence Indicator :        0.10     (Unlikely)
Co-Moving Total Evidence Indicator :                 (Unknown)

rPM/COMOV Agreement                :                 (Undefined)

Binarity

Separation, Sigma and Reliability  :
===================================
Projected Separation               :      503.50     au
Spatial Separation                 :   794193.18     au
  1-Sigma Range                    : [  32145.05, 1556241.32] au
  Significance (RI)                :        1.01     σ
  Note: 3D distance not significantly resolved


Proper Motion and Velocity         :
===================================
rPM (Proper Motion Ratio)          :        0.18     (CPM)
ΔRelative Velocity (3D)            :        6.20            km/s


UWLE for Wide Binaries (3D)        :
===================================
WBS: Velocity Evidence Indicator   :                 (Unknown)
WBS: Distance Evidence Indicator   :        0.01     (Unlikely)
Binarity Total Evidence Indicator  :                 (Unknown)


UWLE for Wide Binaries (2D)        :
===================================
WBS: Velocity Evidence Indicator   :                 (Unknown)
WBS: Distance Evidence Indicator   :        0.03     (Unlikely)
Binarity Total Evidence Indicator  :                 (Unknown)

UWLE for Tight Binaries (2D) : =================================== TBS: Velocity Evidence Indicator : (Unknown) TBS: Distance Evidence Indicator : 0.78 (Strong) Binarity Total Evidence Indicator : (Unknown)
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]         :     -0.7476  ± 0.0651 dex
  Metallicity reliability factor A :        0.71
Metallicity Star B - [M/H]         :     -2.4607  ± 0.0669 dex
  Metallicity reliability factor B :        0.50
Metallicity Difference             :      1.7131           dex
Combined uncertainty               :      0.2298           dex
Sigma-Distance (Z-Score)           :      7.45 σ
  Compatibility                    :  Strongly inconsistent (no match)

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

Note: Z-Score calculation accounts for a 0.21 dex systematic uncertainty
      floor based on Gaia DR3 GSP-Phot validation studies

-- Experimental module – results are preliminary and not validated --

RUWE parameters
RUWE probability for a binary system (Star A) :  0.97 : Zero
RUWE probability for a binary system (Star B) :  8.80 : Very high

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      4.137    0.033     200.942    0.525
1901.0      4.142    0.032     201.021    0.520
1902.0      4.146    0.032     201.100    0.515
1903.0      4.151    0.032     201.179    0.510
1904.0      4.156    0.032     201.257    0.504
1905.0      4.160    0.031     201.336    0.499
1906.0      4.165    0.031     201.414    0.494
1907.0      4.170    0.031     201.492    0.489
1908.0      4.175    0.030     201.570    0.484
1909.0      4.179    0.030     201.647    0.479
1910.0      4.184    0.030     201.725    0.473
1911.0      4.189    0.030     201.802    0.468
1912.0      4.194    0.029     201.879    0.463
1913.0      4.198    0.029     201.956    0.458
1914.0      4.203    0.029     202.033    0.453
1915.0      4.208    0.029     202.109    0.448
1916.0      4.213    0.028     202.186    0.443
1917.0      4.218    0.028     202.262    0.438
1918.0      4.222    0.028     202.338    0.433
1919.0      4.227    0.027     202.414    0.428
1920.0      4.232    0.027     202.489    0.423
1921.0      4.237    0.027     202.565    0.418
1922.0      4.242    0.027     202.640    0.413
1923.0      4.247    0.026     202.715    0.408
1924.0      4.251    0.026     202.790    0.403
1925.0      4.256    0.026     202.865    0.398
1926.0      4.261    0.025     202.940    0.393
1927.0      4.266    0.025     203.014    0.388
1928.0      4.271    0.025     203.089    0.383
1929.0      4.276    0.025     203.163    0.378
1930.0      4.281    0.024     203.237    0.373
1931.0      4.286    0.024     203.311    0.368
1932.0      4.291    0.024     203.384    0.364
1933.0      4.295    0.024     203.458    0.359
1934.0      4.300    0.023     203.531    0.354
1935.0      4.305    0.023     203.604    0.349
1936.0      4.310    0.023     203.677    0.344
1937.0      4.315    0.022     203.750    0.339
1938.0      4.320    0.022     203.823    0.335
1939.0      4.325    0.022     203.895    0.330
1940.0      4.330    0.022     203.967    0.325
1941.0      4.335    0.021     204.039    0.320
1942.0      4.340    0.021     204.111    0.316
1943.0      4.345    0.021     204.183    0.311
1944.0      4.350    0.020     204.255    0.306
1945.0      4.355    0.020     204.326    0.302
1946.0      4.360    0.020     204.398    0.297
1947.0      4.365    0.020     204.469    0.292
1948.0      4.370    0.019     204.540    0.288
1949.0      4.375    0.019     204.611    0.283
1950.0      4.380    0.019     204.681    0.278
1951.0      4.385    0.019     204.752    0.274
1952.0      4.390    0.018     204.822    0.269
1953.0      4.395    0.018     204.892    0.265
1954.0      4.400    0.018     204.962    0.260
1955.0      4.406    0.017     205.032    0.255
1956.0      4.411    0.017     205.102    0.251
1957.0      4.416    0.017     205.171    0.246
1958.0      4.421    0.017     205.241    0.242
1959.0      4.426    0.016     205.310    0.237
1960.0      4.431    0.016     205.379    0.233
1961.0      4.436    0.016     205.448    0.228
1962.0      4.441    0.015     205.517    0.224
1963.0      4.446    0.015     205.585    0.219
1964.0      4.452    0.015     205.654    0.215
1965.0      4.457    0.015     205.722    0.210
1966.0      4.462    0.014     205.790    0.206
1967.0      4.467    0.014     205.858    0.202
1968.0      4.472    0.014     205.926    0.197
1969.0      4.477    0.013     205.993    0.193
1970.0      4.482    0.013     206.061    0.188
1971.0      4.488    0.013     206.128    0.184
1972.0      4.493    0.013     206.195    0.180
1973.0      4.498    0.012     206.262    0.175
1974.0      4.503    0.012     206.329    0.171
1975.0      4.508    0.012     206.396    0.167
1976.0      4.514    0.011     206.462    0.162
1977.0      4.519    0.011     206.529    0.158
1978.0      4.524    0.011     206.595    0.154
1979.0      4.529    0.011     206.661    0.150
1980.0      4.534    0.010     206.727    0.145
1981.0      4.540    0.010     206.793    0.141
1982.0      4.545    0.010     206.858    0.137
1983.0      4.550    0.009     206.924    0.133
1984.0      4.555    0.009     206.989    0.128
1985.0      4.561    0.009     207.054    0.124
1986.0      4.566    0.009     207.119    0.120
1987.0      4.571    0.008     207.184    0.116
1988.0      4.577    0.008     207.249    0.112
1989.0      4.582    0.008     207.314    0.108
1990.0      4.587    0.007     207.378    0.104
1991.0      4.592    0.007     207.442    0.099
1992.0      4.598    0.007     207.506    0.095
1993.0      4.603    0.007     207.570    0.091
1994.0      4.608    0.006     207.634    0.087
1995.0      4.614    0.006     207.698    0.083
1996.0      4.619    0.006     207.761    0.079
1997.0      4.624    0.005     207.825    0.075
1998.0      4.630    0.005     207.888    0.071
1999.0      4.635    0.005     207.951    0.067
2000.0      4.640    0.005     208.014    0.063
2001.0      4.646    0.004     208.077    0.059
2002.0      4.651    0.004     208.140    0.055
2003.0      4.656    0.004     208.202    0.051
2004.0      4.662    0.003     208.265    0.047
2005.0      4.667    0.003     208.327    0.043
2006.0      4.673    0.003     208.389    0.039
2007.0      4.678    0.003     208.451    0.035
2008.0      4.683    0.002     208.513    0.031
2009.0      4.689    0.002     208.574    0.027
2010.0      4.694    0.002     208.636    0.023
2011.0      4.699    0.001     208.697    0.020
2012.0      4.705    0.001     208.758    0.016
2013.0      4.710    0.001     208.820    0.012
2014.0      4.716    0.001     208.881    0.008
2015.0      4.721    0.000     208.941    0.005
2016.0      4.727    0.000     209.002    0.003
2017.0      4.732    0.000     209.063    0.005
2018.0      4.737    0.001     209.123    0.008
2019.0      4.743    0.001     209.183    0.012
2020.0      4.748    0.001     209.243    0.016
2021.0      4.754    0.001     209.303    0.019
2022.0      4.759    0.002     209.363    0.023
2023.0      4.765    0.002     209.423    0.027
2024.0      4.770    0.002     209.482    0.030
2025.0      4.776    0.003     209.542    0.034
2026.0      4.781    0.003     209.601    0.038
2027.0      4.787    0.003     209.660    0.042
2028.0      4.792    0.003     209.719    0.045
2029.0      4.798    0.004     209.778    0.049
2030.0      4.803    0.004     209.837    0.053
2031.0      4.809    0.004     209.896    0.056
2032.0      4.814    0.005     209.954    0.060
2033.0      4.820    0.005     210.013    0.064
2034.0      4.825    0.005     210.071    0.067
2035.0      4.831    0.006     210.129    0.071
2036.0      4.836    0.006     210.187    0.075
2037.0      4.842    0.006     210.245    0.078
2038.0      4.847    0.006     210.302    0.082
2039.0      4.853    0.007     210.360    0.085
2040.0      4.859    0.007     210.417    0.089
2041.0      4.864    0.007     210.475    0.092
2042.0      4.870    0.008     210.532    0.096
2043.0      4.875    0.008     210.589    0.100
2044.0      4.881    0.008     210.646    0.103
2045.0      4.886    0.008     210.703    0.107
2046.0      4.892    0.009     210.759    0.110
2047.0      4.898    0.009     210.816    0.114
2048.0      4.903    0.009     210.872    0.117
2049.0      4.909    0.010     210.928    0.121
2050.0      4.914    0.010     210.984    0.124
2051.0      4.920    0.010     211.040    0.128
2052.0      4.926    0.010     211.096    0.131
2053.0      4.931    0.011     211.152    0.135
2054.0      4.937    0.011     211.208    0.138
2055.0      4.942    0.011     211.263    0.141
2056.0      4.948    0.012     211.319    0.145
2057.0      4.954    0.012     211.374    0.148
2058.0      4.959    0.012     211.429    0.152
2059.0      4.965    0.013     211.484    0.155
2060.0      4.971    0.013     211.539    0.158
2061.0      4.976    0.013     211.594    0.162
2062.0      4.982    0.013     211.648    0.165
2063.0      4.988    0.014     211.703    0.168
2064.0      4.993    0.014     211.757    0.172
2065.0      4.999    0.014     211.811    0.175
2066.0      5.005    0.015     211.865    0.178
2067.0      5.010    0.015     211.919    0.182
2068.0      5.016    0.015     211.973    0.185
2069.0      5.022    0.015     212.027    0.188
2070.0      5.027    0.016     212.081    0.192
2071.0      5.033    0.016     212.134    0.195
2072.0      5.039    0.016     212.188    0.198
2073.0      5.045    0.017     212.241    0.201
2074.0      5.050    0.017     212.294    0.205
2075.0      5.056    0.017     212.347    0.208
2076.0      5.062    0.018     212.400    0.211
2077.0      5.067    0.018     212.453    0.214
2078.0      5.073    0.018     212.505    0.218
2079.0      5.079    0.018     212.558    0.221
2080.0      5.085    0.019     212.610    0.224
2081.0      5.090    0.019     212.663    0.227
2082.0      5.096    0.019     212.715    0.230
2083.0      5.102    0.020     212.767    0.233
2084.0      5.108    0.020     212.819    0.237
2085.0      5.113    0.020     212.871    0.240
2086.0      5.119    0.021     212.923    0.243
2087.0      5.125    0.021     212.974    0.246
2088.0      5.131    0.021     213.026    0.249
2089.0      5.136    0.021     213.077    0.252
2090.0      5.142    0.022     213.128    0.255
2091.0      5.148    0.022     213.180    0.258
2092.0      5.154    0.022     213.231    0.261
2093.0      5.160    0.023     213.281    0.265
2094.0      5.165    0.023     213.332    0.268
2095.0      5.171    0.023     213.383    0.271
2096.0      5.177    0.024     213.434    0.274
2097.0      5.183    0.024     213.484    0.277
2098.0      5.189    0.024     213.534    0.280
2099.0      5.194    0.024     213.585    0.283
2100.0      5.200    0.025     213.635    0.286


Measurements for STF 716 AB

WDS ID      Discovr     Comp  #    Sep      PA       Epoch      Obs  Telescope     Camera    Note
-------------------------------------------------------------------------------------------------
05293+2509  STF 716     AB    1    4.70"    209,3°   B2024.074  HWI  120/900 APO   ASI120MC  

-- Image of STF-716-AB-taken with Equinox 120/900 APO --


WDS record for STF 716 AB
wds_id                       : 05293+2509
discoverer_code              : STF
discoverer_number            : 716
discoverer_components        : AB
date_first                   : 1782
date_last                    : 2022
num_of_obs                   : 209
pa_first                     : 193
pa_last                      : 209
sep_first                    : 4.9
sep_last                     : 4.7
mag_primary                  : 5.83
mag_secondary                : 6.68
spectral_type                : B8.5V+A0V
primary_proper_motion_RA     : 9
primary_proper_motion_DEC    : -38
secondary_proper_motion_RA   : -1
secondary_proper_motion_DEC  : -43
dm_number                    : +25  839
notes                        : NT
precise_coordinate           : 052916.49+250901.1
                             : 05:29:16.49 +25:09:01.1

WDS Notes:
----------
N: Notes found in WDSNOT MEMO of WDS
T: Similar parallax/proper motion: physical



Parsed GAIA Input Data
Click to expand/collapse the Gaia Input Data:
Star A - gaiadr3.gaia_source
solution_id = 1636148068921376768
designation = Gaia DR3 3416960501913604352
source_id = 3416960501913604352
random_index = 788546001.0
ref_epoch = 2016.0
ra = 82.31879027106974
ra_error = 0.053570192
dec = 25.150042736492022
dec_error = 0.039225955
parallax = 9.220932173416628
parallax_error = 0.059215173
parallax_over_error = 155.71907
pm = 39.347095
pmra = 9.197994115523258
pmra_error = 0.076542675
pmdec = -38.256905424646874
pmdec_error = 0.051576357
ra_dec_corr = -0.09523616
ra_parallax_corr = -0.20985886
ra_pmra_corr = -0.23800328
ra_pmdec_corr = 0.1285761
dec_parallax_corr = -0.106906325
dec_pmra_corr = 0.272611
dec_pmdec_corr = -0.61572933
parallax_pmra_corr = 0.05447811
parallax_pmdec_corr = 0.22614312
pmra_pmdec_corr = -0.29444462
astrometric_n_obs_al = 223
astrometric_n_obs_ac = 223
astrometric_n_good_obs_al = 220
astrometric_n_bad_obs_al = 3
astrometric_gof_al = -0.5431797
astrometric_chi2_al = 4525.7935
astrometric_excess_noise = 0.3743646
astrometric_excess_noise_sig = 188.1822
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.788073
astrometric_matched_transits = 25
visibility_periods_used = 14
astrometric_sigma5d_max = 0.11126232
matched_transits = 27
new_matched_transits = 15
matched_transits_removed = 6
ipd_gof_harmonic_amplitude = 0.040415466
ipd_gof_harmonic_phase = 167.92007
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 0.97238386
duplicated_source = false
phot_g_n_obs = 218
phot_g_mean_flux = 84789035.91215901
phot_g_mean_flux_error = 51911.65
phot_g_mean_flux_over_error = 1633.3335
phot_g_mean_mag = 5.8665175
phot_bp_n_obs = 22
phot_bp_mean_flux = 64325678.788279705
phot_bp_mean_flux_error = 66129.586
phot_bp_mean_flux_over_error = 972.7216
phot_bp_mean_mag = 5.817581
phot_rp_n_obs = 20
phot_rp_mean_flux = 33770715.475483224
phot_rp_mean_flux_error = 33050.016
phot_rp_mean_flux_over_error = 1021.80634
phot_rp_mean_mag = 5.9265447
phot_bp_rp_excess_factor = 1.1569467
phot_bp_n_contaminated_transits = 0
phot_bp_n_blended_transits = 4
phot_rp_n_contaminated_transits = 0
phot_rp_n_blended_transits = 20
phot_proc_mode = 0
bp_rp = -0.10896349
bp_g = -0.048936367
g_rp = -0.060027122
phot_variable_flag = NOT_AVAILABLE
l = 181.25431260875413
b = -5.099157201714979
ecl_lon = 83.04695678790422
ecl_lat = 1.8959669821579606
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 = 1.02116266e-13
classprob_dsc_combmod_galaxy = 5.100656e-13
classprob_dsc_combmod_star = 0.9999998
teff_gspphot = 11733.858
teff_gspphot_lower = 11703.403
teff_gspphot_upper = 11757.343
logg_gspphot = 4.1466
logg_gspphot_lower = 4.1405
logg_gspphot_upper = 4.1547
mh_gspphot = -0.7476
mh_gspphot_lower = -0.7864
mh_gspphot_upper = -0.6562
distance_gspphot = 109.5453
distance_gspphot_lower = 108.8176
distance_gspphot_upper = 110.2152
azero_gspphot = 0.0005
azero_gspphot_lower = 0.0001
azero_gspphot_upper = 0.0012
ag_gspphot = 0.0005
ag_gspphot_lower = 0.0001
ag_gspphot_upper = 0.0012
ebpminrp_gspphot = 0.0003
ebpminrp_gspphot_lower = 0.0
ebpminrp_gspphot_upper = 0.0007
libname_gspphot = A
radial_velocity = 15.0
radial_velocity_error = 
    Star B - gaiadr3.gaia_source
solution_id = 1636148068921376768
designation = Gaia DR3 3416960501913604736
source_id = 3416960501913604736
random_index = 216301557.0
ref_epoch = 2016.0
ra = 82.31808703825575
ra_error = 0.27940688
dec = 25.148894426710353
dec_error = 0.21035412
parallax = 9.560362078993707
parallax_error = 0.3316266
parallax_over_error = 28.828695
pm = 40.64662
pmra = 2.189208311107162
pmra_error = 0.36708874
pmdec = -40.58762448528682
pmdec_error = 0.26678008
ra_dec_corr = -0.014281564
ra_parallax_corr = 0.050698895
ra_pmra_corr = -0.06910705
ra_pmdec_corr = 0.11847151
dec_parallax_corr = -0.36922187
dec_pmra_corr = 0.094312765
dec_pmdec_corr = -0.5280473
parallax_pmra_corr = 0.053059105
parallax_pmdec_corr = 0.34053475
pmra_pmdec_corr = -0.006521683
astrometric_n_obs_al = 240
astrometric_n_obs_ac = 240
astrometric_n_good_obs_al = 237
astrometric_n_bad_obs_al = 3
astrometric_gof_al = 105.48564
astrometric_chi2_al = 112885.66
astrometric_excess_noise = 2.2425647
astrometric_excess_noise_sig = 5230.0723
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.718113
astrometric_matched_transits = 27
visibility_periods_used = 16
astrometric_sigma5d_max = 0.508493
matched_transits = 28
new_matched_transits = 13
matched_transits_removed = 6
ipd_gof_harmonic_amplitude = 0.20445986
ipd_gof_harmonic_phase = 169.14464
ipd_frac_multi_peak = 21
ipd_frac_odd_win = 0
ruwe = 8.804125
duplicated_source = false
phot_g_n_obs = 226
phot_g_mean_flux = 38471326.64177723
phot_g_mean_flux_error = 14586.457
phot_g_mean_flux_over_error = 2637.469
phot_g_mean_mag = 6.724524
phot_bp_n_obs = 18
phot_bp_mean_flux = 27497363.98175761
phot_bp_mean_flux_error = 41032.707
phot_bp_mean_flux_over_error = 670.1328
phot_bp_mean_mag = 6.7403145
phot_rp_n_obs = 16
phot_rp_mean_flux = 18386518.13700984
phot_rp_mean_flux_error = 42950.82
phot_rp_mean_flux_over_error = 428.08304
phot_rp_mean_mag = 6.5866466
phot_bp_rp_excess_factor = 1.1926774
phot_bp_n_contaminated_transits = 0
phot_bp_n_blended_transits = 18
phot_rp_n_contaminated_transits = 0
phot_rp_n_blended_transits = 16
phot_proc_mode = 0
bp_rp = 0.15366793
bp_g = 0.015790462
g_rp = 0.13787746
phot_variable_flag = NOT_AVAILABLE
l = 181.25492724233592
b = -5.100318685484283
ecl_lon = 83.04625965133599
ecl_lat = 1.8948541630731774
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 = 1.07747815e-13
classprob_dsc_combmod_galaxy = 5.381949e-13
classprob_dsc_combmod_star = 0.9994338
teff_gspphot = 9217.567
teff_gspphot_lower = 9205.683
teff_gspphot_upper = 9235.052
logg_gspphot = 3.9616
logg_gspphot_lower = 3.9587
logg_gspphot_upper = 3.9659
mh_gspphot = -2.4607
mh_gspphot_lower = -2.4912
mh_gspphot_upper = -2.3575
distance_gspphot = 102.8236
distance_gspphot_lower = 102.4317
distance_gspphot_upper = 103.0903
azero_gspphot = 0.2469
azero_gspphot_lower = 0.2444
azero_gspphot_upper = 0.2502
ag_gspphot = 0.2341
ag_gspphot_lower = 0.2317
ag_gspphot_upper = 0.2373
ebpminrp_gspphot = 0.1245
ebpminrp_gspphot_lower = 0.1232
ebpminrp_gspphot_upper = 0.1262
libname_gspphot = PHOENIX
radial_velocity = 20.0
radial_velocity_error = 20.0
- gaiadr3.astrophysical_parameters
solution_id = 1636148068921376768
source_id = 3416960501913604352
classprob_dsc_combmod_quasar = 1.02116266e-13
classprob_dsc_combmod_galaxy = 5.100656e-13
classprob_dsc_combmod_star = 0.9999998
classprob_dsc_combmod_whitedwarf = 1.8441554e-07
classprob_dsc_combmod_binarystar = 1.00089236e-10
classprob_dsc_specmod_quasar = 0.0
classprob_dsc_specmod_galaxy = 0.0
classprob_dsc_specmod_star = 0.99907994
classprob_dsc_specmod_whitedwarf = 0.0009200359
classprob_dsc_specmod_binarystar = 0.0
classprob_dsc_allosmod_quasar = 0.0
classprob_dsc_allosmod_galaxy = 0.0
classprob_dsc_allosmod_star = 1.0
teff_gspphot = 11733.858
teff_gspphot_lower = 11703.403
teff_gspphot_upper = 11757.343
logg_gspphot = 4.1466
logg_gspphot_lower = 4.1405
logg_gspphot_upper = 4.1547
mh_gspphot = -0.7476
mh_gspphot_lower = -0.7864
mh_gspphot_upper = -0.6562
distance_gspphot = 109.5453
distance_gspphot_lower = 108.8176
distance_gspphot_upper = 110.2152
azero_gspphot = 0.0005
azero_gspphot_lower = 0.0001
azero_gspphot_upper = 0.0012
ag_gspphot = 0.0005
ag_gspphot_lower = 0.0001
ag_gspphot_upper = 0.0012
abp_gspphot = 0.0006
abp_gspphot_lower = 0.0001
abp_gspphot_upper = 0.0014
arp_gspphot = 0.0003
arp_gspphot_lower = 0.0
arp_gspphot_upper = 0.0008
ebpminrp_gspphot = 0.0003
ebpminrp_gspphot_lower = 0.0
ebpminrp_gspphot_upper = 0.0007
mg_gspphot = 0.6414
mg_gspphot_lower = 0.6281
mg_gspphot_upper = 0.6558
radius_gspphot = 2.1317
radius_gspphot_lower = 2.1169
radius_gspphot_upper = 2.1447
logposterior_gspphot = -2510.4026
mcmcaccept_gspphot = 0.49316615
libname_gspphot = A
ew_espels_halpha = 0.25172567
ew_espels_halpha_uncertainty = 0.036510006
ew_espels_halpha_flag = 0
ew_espels_halpha_model = 0.437959
flags_esphs = 91
spectraltype_esphs = B
radius_flame = 2.1365166
radius_flame_lower = 2.0917099
radius_flame_upper = 2.1816168
lum_flame = 77.86635
lum_flame_lower = 76.88361
lum_flame_upper = 78.91795
mass_flame = 2.90113
mass_flame_lower = 2.8601587
mass_flame_upper = 2.9420824
flags_flame = 00
evolstage_flame = 148
gravredshift_flame = 0.70378643
gravredshift_flame_lower = 0.6978296
gravredshift_flame_upper = 0.715164
bc_flame = -0.68883836
mh_msc = -0.10022509
mh_msc_upper = -0.09917717
mh_msc_lower = -0.10176222
azero_msc = 0.09662987
azero_msc_upper = 0.121019796
azero_msc_lower = 0.083294824
distance_msc = 98.14656
distance_msc_upper = 101.57681
distance_msc_lower = 95.63107
teff_msc1 = 7603.0195
teff_msc1_upper = 7633.3027
teff_msc1_lower = 7583.591
teff_msc2 = 7598.0225
teff_msc2_upper = 7610.205
teff_msc2_lower = 7585.2637
logg_msc1 = 3.892057
logg_msc1_upper = 3.924892
logg_msc1_lower = 3.8514876
logg_msc2 = 3.8977697
logg_msc2_upper = 3.9138987
logg_msc2_lower = 3.8782718
ag_msc = 0.08810024
ag_msc_upper = 0.11032055
ag_msc_lower = 0.07594141
logposterior_msc = -220962.3
mcmcaccept_msc = 0.33178997
mcmcdrift_msc = 0.1485212
flags_msc = 1
    - gaiadr3.astrophysical_parameters
solution_id = 1636148068921376768
source_id = 3416960501913604736
classprob_dsc_combmod_quasar = 1.07747815e-13
classprob_dsc_combmod_galaxy = 5.381949e-13
classprob_dsc_combmod_star = 0.9994338
classprob_dsc_combmod_whitedwarf = 1.3654644e-08
classprob_dsc_combmod_binarystar = 0.0005661634
classprob_dsc_specmod_quasar = 0.0
classprob_dsc_specmod_galaxy = 0.0
classprob_dsc_specmod_star = 0.9463261
classprob_dsc_specmod_whitedwarf = 6.4552274e-05
classprob_dsc_specmod_binarystar = 0.053609382
classprob_dsc_allosmod_quasar = 0.0
classprob_dsc_allosmod_galaxy = 0.0
classprob_dsc_allosmod_star = 1.0
teff_gspphot = 9217.567
teff_gspphot_lower = 9205.683
teff_gspphot_upper = 9235.052
logg_gspphot = 3.9616
logg_gspphot_lower = 3.9587
logg_gspphot_upper = 3.9659
mh_gspphot = -2.4607
mh_gspphot_lower = -2.4912
mh_gspphot_upper = -2.3575
distance_gspphot = 102.8236
distance_gspphot_lower = 102.4317
distance_gspphot_upper = 103.0903
azero_gspphot = 0.2469
azero_gspphot_lower = 0.2444
azero_gspphot_upper = 0.2502
ag_gspphot = 0.2341
ag_gspphot_lower = 0.2317
ag_gspphot_upper = 0.2373
abp_gspphot = 0.2761
abp_gspphot_lower = 0.2733
abp_gspphot_upper = 0.2799
arp_gspphot = 0.1516
arp_gspphot_lower = 0.15
arp_gspphot_upper = 0.1537
ebpminrp_gspphot = 0.1245
ebpminrp_gspphot_lower = 0.1232
ebpminrp_gspphot_upper = 0.1262
mg_gspphot = 1.3574
mg_gspphot_lower = 1.3533
mg_gspphot_upper = 1.3634
radius_gspphot = 2.0016
radius_gspphot_lower = 1.9914
radius_gspphot_upper = 2.0082
logposterior_gspphot = -4986.6562
mcmcaccept_gspphot = 0.40714735
libname_gspphot = PHOENIX
ew_espels_halpha = 0.4245854
ew_espels_halpha_uncertainty = 0.037254117
ew_espels_halpha_flag = 0
ew_espels_halpha_model = 0.425424
flags_esphs = 91
spectraltype_esphs = B
radius_flame = 2.161087
radius_flame_lower = 2.0830467
radius_flame_upper = 2.242638
lum_flame = 16.782097
lum_flame_lower = 15.772906
lum_flame_upper = 17.856161
mass_flame = 1.8758259
mass_flame_lower = 1.8289537
mass_flame_upper = 1.9226842
age_flame = 0.8531606
age_flame_lower = 0.7014468
age_flame_upper = 1.0047327
flags_flame = 00
evolstage_flame = 224
gravredshift_flame = 0.13572831
gravredshift_flame_lower = 0.13525113
gravredshift_flame_upper = 0.13607371
bc_flame = 0.042801965
mh_msc = -0.10000508
mh_msc_upper = -0.099828355
mh_msc_lower = -0.100261085
azero_msc = 0.09994802
azero_msc_upper = 0.1005092
azero_msc_lower = 0.09882067
distance_msc = 142.84396
distance_msc_upper = 143.49673
distance_msc_lower = 142.20279
teff_msc1 = 7599.975
teff_msc1_upper = 7600.976
teff_msc1_lower = 7598.554
teff_msc2 = 7600.0107
teff_msc2_upper = 7601.158
teff_msc2_lower = 7598.4434
logg_msc1 = 3.8996434
logg_msc1_upper = 3.9014578
logg_msc1_lower = 3.8959599
logg_msc2 = 3.8999615
logg_msc2_upper = 3.9007435
logg_msc2_lower = 3.8984022
ag_msc = 0.09111574
ag_msc_upper = 0.09162745
ag_msc_lower = 0.09008905
logposterior_msc = -17195.227
mcmcaccept_msc = 0.38443914
mcmcdrift_msc = 0.17220949
flags_msc = 1




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


Report Information
Double Star Calculator: Version 1.0 ($Rev: 2309 $)
Report created: 2026-05-10 17:54:43 +0200



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