Double Star Calculator - Results


STF 716 AB - Astrometric and kinematic properties
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 ± 0.0024 arcsec Position Angle : 209.49 ± 0.0335 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 au Spatial Separation : 3.85 ± 3.69 pc Spatial Separation : 12.56 ± 12.05 ly Parallax Significance : 1.01 σ 3D Space Velocity Angle : 11.39 ± 19.40 degree 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 - Stellar Data
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 : -3.76 mag Luminosity : 1330.59 + 17.21 / − 16.99 L☉ Log(Luminosity) : 3.12404 Effective temperature (Teff) : 11733.86 +23.49 / -30.45 K Log(Teff) : 4.06944 Mass estimation : 6.15 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   :       true : possible close pair or data artifact
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 - Stellar Data
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 : -1.34 mag Luminosity : 74.97 + 5.39 / − 5.03 L☉ Log(Luminosity) : 1.87488 Effective temperature (Teff) : 9217.57 +17.49 / -11.88 K Log(Teff) : 3.96462 Mass estimation : 2.97 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     au
Spatial Separation                 :      794193  ±   762048  au
  1-Sigma Range                    : [     32145,    1556241] au
  Significance                     :        1.01     σ
  Note: 3D distance not significantly resolved

3D spatial distance probabilities : =================================== P(D-3D <= 1007 au) : 0.0 % (2.0 * D-projected) P(D-3D <= 2500 au) : 0.1 % (Wide binary) P(D-3D <= 10000 au) : 0.3 % (Wide binary) P(D-3D <= 20000 au) : 0.7 % (Very wide binary) P(D-3D <= 50000 au) : 1.8 % (Extremely wide) P(D-3D <= 206265 au) : 8.4 % (Jacobi radius)

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    0.577
1901.0      4.142    0.033     201.021    0.571
1902.0      4.146    0.033     201.100    0.566
1903.0      4.151    0.032     201.179    0.560
1904.0      4.156    0.032     201.257    0.554
1905.0      4.160    0.032     201.336    0.548
1906.0      4.165    0.032     201.414    0.543
1907.0      4.170    0.031     201.492    0.537
1908.0      4.175    0.031     201.570    0.531
1909.0      4.179    0.031     201.647    0.526
1910.0      4.184    0.031     201.725    0.520
1911.0      4.189    0.030     201.802    0.514
1912.0      4.194    0.030     201.879    0.509
1913.0      4.198    0.030     201.956    0.503
1914.0      4.203    0.029     202.033    0.497
1915.0      4.208    0.029     202.109    0.492
1916.0      4.213    0.029     202.186    0.486
1917.0      4.218    0.029     202.262    0.481
1918.0      4.222    0.028     202.338    0.475
1919.0      4.227    0.028     202.414    0.469
1920.0      4.232    0.028     202.489    0.464
1921.0      4.237    0.027     202.565    0.458
1922.0      4.242    0.027     202.640    0.453
1923.0      4.247    0.027     202.715    0.447
1924.0      4.251    0.027     202.790    0.442
1925.0      4.256    0.026     202.865    0.437
1926.0      4.261    0.026     202.940    0.431
1927.0      4.266    0.026     203.014    0.426
1928.0      4.271    0.026     203.089    0.420
1929.0      4.276    0.025     203.163    0.415
1930.0      4.281    0.025     203.237    0.410
1931.0      4.286    0.025     203.311    0.404
1932.0      4.291    0.024     203.384    0.399
1933.0      4.295    0.024     203.458    0.393
1934.0      4.300    0.024     203.531    0.388
1935.0      4.305    0.024     203.604    0.383
1936.0      4.310    0.023     203.677    0.378
1937.0      4.315    0.023     203.750    0.372
1938.0      4.320    0.023     203.823    0.367
1939.0      4.325    0.022     203.895    0.362
1940.0      4.330    0.022     203.967    0.357
1941.0      4.335    0.022     204.039    0.351
1942.0      4.340    0.022     204.111    0.346
1943.0      4.345    0.021     204.183    0.341
1944.0      4.350    0.021     204.255    0.336
1945.0      4.355    0.021     204.326    0.331
1946.0      4.360    0.020     204.398    0.326
1947.0      4.365    0.020     204.469    0.320
1948.0      4.370    0.020     204.540    0.315
1949.0      4.375    0.020     204.611    0.310
1950.0      4.380    0.019     204.681    0.305
1951.0      4.385    0.019     204.752    0.300
1952.0      4.390    0.019     204.822    0.295
1953.0      4.395    0.018     204.892    0.290
1954.0      4.400    0.018     204.962    0.285
1955.0      4.406    0.018     205.032    0.280
1956.0      4.411    0.018     205.102    0.275
1957.0      4.416    0.017     205.171    0.270
1958.0      4.421    0.017     205.241    0.265
1959.0      4.426    0.017     205.310    0.260
1960.0      4.431    0.016     205.379    0.255
1961.0      4.436    0.016     205.448    0.250
1962.0      4.441    0.016     205.517    0.245
1963.0      4.446    0.016     205.585    0.240
1964.0      4.452    0.015     205.654    0.235
1965.0      4.457    0.015     205.722    0.231
1966.0      4.462    0.015     205.790    0.226
1967.0      4.467    0.014     205.858    0.221
1968.0      4.472    0.014     205.926    0.216
1969.0      4.477    0.014     205.993    0.211
1970.0      4.482    0.014     206.061    0.206
1971.0      4.488    0.013     206.128    0.202
1972.0      4.493    0.013     206.195    0.197
1973.0      4.498    0.013     206.262    0.192
1974.0      4.503    0.012     206.329    0.187
1975.0      4.508    0.012     206.396    0.183
1976.0      4.514    0.012     206.462    0.178
1977.0      4.519    0.012     206.529    0.173
1978.0      4.524    0.011     206.595    0.168
1979.0      4.529    0.011     206.661    0.164
1980.0      4.534    0.011     206.727    0.159
1981.0      4.540    0.010     206.793    0.155
1982.0      4.545    0.010     206.858    0.150
1983.0      4.550    0.010     206.924    0.145
1984.0      4.555    0.009     206.989    0.141
1985.0      4.561    0.009     207.054    0.136
1986.0      4.566    0.009     207.119    0.131
1987.0      4.571    0.009     207.184    0.127
1988.0      4.577    0.008     207.249    0.122
1989.0      4.582    0.008     207.314    0.118
1990.0      4.587    0.008     207.378    0.113
1991.0      4.592    0.007     207.442    0.109
1992.0      4.598    0.007     207.506    0.104
1993.0      4.603    0.007     207.570    0.100
1994.0      4.608    0.007     207.634    0.095
1995.0      4.614    0.006     207.698    0.091
1996.0      4.619    0.006     207.761    0.086
1997.0      4.624    0.006     207.825    0.082
1998.0      4.630    0.005     207.888    0.078
1999.0      4.635    0.005     207.951    0.073
2000.0      4.640    0.005     208.014    0.069
2001.0      4.646    0.004     208.077    0.064
2002.0      4.651    0.004     208.140    0.060
2003.0      4.656    0.004     208.202    0.056
2004.0      4.662    0.004     208.265    0.051
2005.0      4.667    0.003     208.327    0.047
2006.0      4.673    0.003     208.389    0.043
2007.0      4.678    0.003     208.451    0.038
2008.0      4.683    0.002     208.513    0.034
2009.0      4.689    0.002     208.574    0.030
2010.0      4.694    0.002     208.636    0.026
2011.0      4.699    0.002     208.697    0.021
2012.0      4.705    0.001     208.758    0.017
2013.0      4.710    0.001     208.820    0.013
2014.0      4.716    0.001     208.881    0.009
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    0.009
2019.0      4.743    0.001     209.183    0.013
2020.0      4.748    0.001     209.243    0.017
2021.0      4.754    0.002     209.303    0.021
2022.0      4.759    0.002     209.363    0.025
2023.0      4.765    0.002     209.423    0.029
2024.0      4.770    0.002     209.482    0.033
2025.0      4.776    0.003     209.542    0.037
2026.0      4.781    0.003     209.601    0.041
2027.0      4.787    0.003     209.660    0.045
2028.0      4.792    0.004     209.719    0.049
2029.0      4.798    0.004     209.778    0.053
2030.0      4.803    0.004     209.837    0.058
2031.0      4.809    0.005     209.896    0.062
2032.0      4.814    0.005     209.954    0.066
2033.0      4.820    0.005     210.013    0.069
2034.0      4.825    0.005     210.071    0.073
2035.0      4.831    0.006     210.129    0.077
2036.0      4.836    0.006     210.187    0.081
2037.0      4.842    0.006     210.245    0.085
2038.0      4.847    0.007     210.302    0.089
2039.0      4.853    0.007     210.360    0.093
2040.0      4.859    0.007     210.417    0.097
2041.0      4.864    0.008     210.475    0.101
2042.0      4.870    0.008     210.532    0.105
2043.0      4.875    0.008     210.589    0.109
2044.0      4.881    0.008     210.646    0.113
2045.0      4.886    0.009     210.703    0.116
2046.0      4.892    0.009     210.759    0.120
2047.0      4.898    0.009     210.816    0.124
2048.0      4.903    0.010     210.872    0.128
2049.0      4.909    0.010     210.928    0.132
2050.0      4.914    0.010     210.984    0.135
2051.0      4.920    0.011     211.040    0.139
2052.0      4.926    0.011     211.096    0.143
2053.0      4.931    0.011     211.152    0.147
2054.0      4.937    0.012     211.208    0.150
2055.0      4.942    0.012     211.263    0.154
2056.0      4.948    0.012     211.319    0.158
2057.0      4.954    0.012     211.374    0.162
2058.0      4.959    0.013     211.429    0.165
2059.0      4.965    0.013     211.484    0.169
2060.0      4.971    0.013     211.539    0.173
2061.0      4.976    0.014     211.594    0.176
2062.0      4.982    0.014     211.648    0.180
2063.0      4.988    0.014     211.703    0.184
2064.0      4.993    0.015     211.757    0.187
2065.0      4.999    0.015     211.811    0.191
2066.0      5.005    0.015     211.865    0.195
2067.0      5.010    0.016     211.919    0.198
2068.0      5.016    0.016     211.973    0.202
2069.0      5.022    0.016     212.027    0.205
2070.0      5.027    0.016     212.081    0.209
2071.0      5.033    0.017     212.134    0.212
2072.0      5.039    0.017     212.188    0.216
2073.0      5.045    0.017     212.241    0.220
2074.0      5.050    0.018     212.294    0.223
2075.0      5.056    0.018     212.347    0.227
2076.0      5.062    0.018     212.400    0.230
2077.0      5.067    0.019     212.453    0.234
2078.0      5.073    0.019     212.505    0.237
2079.0      5.079    0.019     212.558    0.241
2080.0      5.085    0.020     212.610    0.244
2081.0      5.090    0.020     212.663    0.247
2082.0      5.096    0.020     212.715    0.251
2083.0      5.102    0.020     212.767    0.254
2084.0      5.108    0.021     212.819    0.258
2085.0      5.113    0.021     212.871    0.261
2086.0      5.119    0.021     212.923    0.265
2087.0      5.125    0.022     212.974    0.268
2088.0      5.131    0.022     213.026    0.271
2089.0      5.136    0.022     213.077    0.275
2090.0      5.142    0.023     213.128    0.278
2091.0      5.148    0.023     213.180    0.281
2092.0      5.154    0.023     213.231    0.285
2093.0      5.160    0.024     213.281    0.288
2094.0      5.165    0.024     213.332    0.291
2095.0      5.171    0.024     213.383    0.295
2096.0      5.177    0.025     213.434    0.298
2097.0      5.183    0.025     213.484    0.301
2098.0      5.189    0.025     213.534    0.305
2099.0      5.194    0.025     213.585    0.308
2100.0      5.200    0.026     213.635    0.311




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
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 = true
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 = 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 = 1.02116266e-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
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 = 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 = 1.07747815e-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) 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 08:46:40 +0200



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