Double Star Calculator - Results


SEI 298 - Astrometric and kinematic properties
Gaia Source ID - Star A          : 183274191629335552     Simbad
Gaia Source ID - Star B          : 183274191624324480     Simbad
Observation Epoch : J2025.055 / 2025-01-21 Angular Separation : 4.087 ± 0.0003 arcsec Position Angle : 76.67 ± 0.0028 degree
Star A/B Epoch : J2016.000 / J2016.000 Angular Separation : 4.369 < 0.0001 arcsec Position Angle : 78.90 ± 0.0002 degree Projected Separation : 2509 au Spatial Separation : 608.08 ± 18.17 pc Spatial Separation : 1983.29 ± 59.26 ly Parallax Significance : 80.80 σ ΔProper Motion Angle : 23.96 ± 0.37 degree ΔTotal Proper Motion : 35.75 ± 0.03 mas/yr ΔTangential Velocity : 35.71 ± 0.43 km/s ΔRelative Velocity (2D) : 37.44 ± 0.36 km/s

Aladin Lite Sky Atlas



Star A - Stellar Data
Gaia Source ID                   : 183274191629335552           VizieR
Epoch : J2016.000 Right Ascension (RA) : 05h 29m 15.55s Declination (Dec) : 35° 36' 58.25" Distance : 270.25 ± 1.56 pc Distance : 881.43 ± 5.08 ly Magnitude (G-band) : 11.45 mag Absolute Magnitude : 4.09 ± 0.01 mag Stellar Extinction : 0.20 ± <0.01 mag Spectral Type (BP/RP) : G Bolometric correction : -0.10 mag Luminosity : 2.00 + 0.02 / − 0.02 L☉ Log(Luminosity) : 0.30045 Effective temperature (Teff) : 5662.35 + 8.77 / -11.40 K Log(Teff) : 3.75300 Mass estimation : 1.15 M☉ RUWE : 0.99 Position Angle of Proper Motion : 110.29 ± 0.03 degree Total Proper Motion : 39.25 ± 0.02 mas/yr Tangential Velocity : 50.28 ± 0.29 km/s Radial Velocity (Gaia) : -106.74 ± 0.81 km/s Space Velocity : 117.99 ± 0.74 km/s

Star A - Selected astrophysical parameters
DSC-Combmod binary star          :       0.00
DSC-Specmod binary star          :       0.02
Radius from GSP-Phot Aeneas      :       1.39  ±   0.01          R☉
Spectral type from ESP-ELS       :          G
Radius of the star from FLAME    :       1.34  ±   0.03          R☉
Bolometric correction            :       0.07                    mag
Luminosity of the star (FLAME)   :       1.66  ±   0.02          L☉
Mass of the star from FLAME      :       0.96  ±   0.04          M☉
FLAME quality indicators         :         00
  Quality                        :       OK
  Source                         :       Parallax used
Evolutionary stage from FLAME    :        410      Main Sequence (late)

Star A - Double Star Quality Metrics
Parallax over error :    173.549 : very good
RUWE                :      0.990 : good astrometric fit (single star)
Non Single Star     :            : Single Star
Duplicated source   :      false : single source
G magnitude         :     11.455 : G > 3 mag, photometry reliable
Excess noise        :      0.109 : Good fit
  Significance      :     14.633 :   Minor noise, likely negligible
BP-RP excess factor :      1.213 : photometry consistent
Visibility periods  :         17 : high, indicates well observed star
IPD multi-peak frac :         0% : single peak detected
IDP GoF harmonic amp:      0.057 : unobtrusive (single star source)


Star B - Stellar Data
Gaia Source ID                   : 183274191624324480           VizieR
Epoch : J2016.000 Right Ascension (RA) : 05h 29m 15.90s Declination (Dec) : 35° 36' 59.09" Distance : 878.33 ± 18.10 pc Distance : 2864.72 ± 59.04 ly Magnitude (G-band) : 11.60 mag Absolute Magnitude : 1.11 ± 0.04 mag Stellar Extinction : 0.77 ± <0.01 mag Spectral Type (BP/RP) : A Bolometric correction : 0.00 mag Luminosity : 28.34 + 1.20 / − 1.15 L☉ Log(Luminosity) : 1.45242 Effective temperature (Teff) : 10534.85 +41.18 / -38.79 K Log(Teff) : 4.02263 Mass estimation : 2.20 M☉ RUWE : 1.04 Position Angle of Proper Motion : 134.25 ± 0.36 degree Total Proper Motion : 3.50 ± 0.02 mas/yr Tangential Velocity : 14.57 ± 0.31 km/s

Star B - Selected astrophysical parameters
DSC-Combmod binary star          :       0.00
DSC-Specmod binary star          :       0.01
Radius from GSP-Phot Aeneas      :       1.98  ±   0.03          R☉
Spectral type from ESP-ELS       :          B
Radius of the star from FLAME    :       1.86  ±   0.05          R☉
Bolometric correction            :      -0.44                    mag
Luminosity of the star (FLAME)   :      38.61  ±   1.38          L☉
Mass of the star from FLAME      :       2.44  ±   0.04          M☉
FLAME quality indicators         :         00
  Quality                        :       OK
  Source                         :       Parallax used
Evolutionary stage from FLAME    :        134      Main Sequence (early)

Star B - Double Star Quality Metrics
Parallax over error :     48.523 : very good
RUWE                :      1.040 : good astrometric fit (single star)
Non Single Star     :            : Single Star
Duplicated source   :      false : single source
G magnitude         :     11.600 : G > 3 mag, photometry reliable
Excess noise        :      0.143 : Good fit
  Significance      :     25.064 :   Minor noise, likely negligible
BP-RP excess factor :      1.204 : photometry consistent
Visibility periods  :         17 : high, indicates well observed star
IPD multi-peak frac :        44% : mulitple peaks detected (possible double)
IDP GoF harmonic amp:      0.062 : 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)          :        0.92     (DPM)

Co-Moving

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

rPM/COMOV Agreement                :                 (High)

Binarity

Separation, Sigma and Reliability  :
===================================
Projected Separation               :        2509     au
Spatial Separation                 :      608.08  ±    18.17  pc
  1-Sigma Range                    : [    589.91,     626.25] pc
  Significance                     :       80.80     σ
  Note: High-confidence 3D separation

3D spatial distance probabilities : =================================== P(D-3D <= 5018 au) : 0.0 % (2.0 * D-projected) P(D-3D <= 10000 au) : 0.0 % (Wide binary) P(D-3D <= 20000 au) : 0.0 % (Very wide binary) P(D-3D <= 50000 au) : 0.0 % (Extremely wide) P(D-3D <= 206265 au) : 0.0 % (Jacobi radius)

Proper Motion and Velocity         :
===================================
rPM (Proper Motion Ratio)          :        0.92     (DPM)
ΔRelative Velocity (2D)            :       37.44  ±  0.36   km/s

UWLE for Wide Binaries (3D)        :
===================================
WBS: Velocity Evidence Indicator   :        0.00     (Unlikely)
WBS: Distance Evidence Indicator   :        0.00     (Unlikely)
Binarity Total Evidence Indicator  :        0.00     (Unlikely)
UWLE Evidence Indicators - Parametrization:
===========================================
Mode                 Condition  s0         v0              Δx         Uncertainty
---------------------------------------------------------------------------------
Co-Moving                -         1.0 pc    5 km/s        spatial    σspatial
Wide Binaries (3D)       -      20,000 au  ∝√1/dspatial     spatial    σspatial
Wide Binaries (2D)   RI < 3.0   20,000 au  ∝√1/dprojected   projected  σspatial
Tight Binaries (2D)  RI < 3.0    1,000 au  ∝√1/dprojected   projected  σprojected

Metallicity (Experimental / Not validated)

Metallicity (Gaia DR3, GSP-Phot)   :
===================================
Metallicity Star A - [M/H]         :     -0.1136  ± 0.0089 dex
  Metallicity reliability factor A :        1.00
Metallicity Star B - [M/H]         :     -1.4529  ± 0.0724 dex
  Metallicity reliability factor B :        0.50
Metallicity Difference             :      1.3393           dex
Combined uncertainty               :      0.2223           dex
Sigma-Distance (Z-Score)           :      6.02 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) :  0.99 : Zero
RUWE probability for a binary system (Star B) :  1.04 : 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      8.279    0.004      93.143    0.017
1901.0      8.245    0.004      93.079    0.017
1902.0      8.210    0.004      93.014    0.017
1903.0      8.175    0.004      92.948    0.017
1904.0      8.140    0.004      92.882    0.017
1905.0      8.105    0.004      92.816    0.017
1906.0      8.070    0.004      92.748    0.017
1907.0      8.036    0.004      92.681    0.016
1908.0      8.001    0.004      92.612    0.016
1909.0      7.966    0.004      92.543    0.016
1910.0      7.931    0.003      92.474    0.016
1911.0      7.896    0.003      92.403    0.016
1912.0      7.862    0.003      92.333    0.016
1913.0      7.827    0.003      92.261    0.016
1914.0      7.792    0.003      92.189    0.016
1915.0      7.758    0.003      92.116    0.016
1916.0      7.723    0.003      92.043    0.016
1917.0      7.688    0.003      91.969    0.016
1918.0      7.654    0.003      91.894    0.015
1919.0      7.619    0.003      91.819    0.015
1920.0      7.584    0.003      91.743    0.015
1921.0      7.550    0.003      91.666    0.015
1922.0      7.515    0.003      91.588    0.015
1923.0      7.480    0.003      91.510    0.015
1924.0      7.446    0.003      91.431    0.015
1925.0      7.411    0.003      91.352    0.015
1926.0      7.377    0.003      91.271    0.015
1927.0      7.342    0.003      91.190    0.015
1928.0      7.308    0.003      91.108    0.015
1929.0      7.273    0.003      91.025    0.014
1930.0      7.239    0.003      90.942    0.014
1931.0      7.204    0.003      90.857    0.014
1932.0      7.170    0.003      90.772    0.014
1933.0      7.135    0.003      90.686    0.014
1934.0      7.101    0.003      90.600    0.014
1935.0      7.066    0.003      90.512    0.014
1936.0      7.032    0.003      90.423    0.014
1937.0      6.998    0.003      90.334    0.014
1938.0      6.963    0.003      90.244    0.014
1939.0      6.929    0.003      90.153    0.013
1940.0      6.895    0.002      90.061    0.013
1941.0      6.860    0.002      89.968    0.013
1942.0      6.826    0.002      89.874    0.013
1943.0      6.792    0.002      89.779    0.013
1944.0      6.758    0.002      89.683    0.013
1945.0      6.723    0.002      89.586    0.013
1946.0      6.689    0.002      89.489    0.013
1947.0      6.655    0.002      89.390    0.013
1948.0      6.621    0.002      89.290    0.012
1949.0      6.587    0.002      89.189    0.012
1950.0      6.552    0.002      89.087    0.012
1951.0      6.518    0.002      88.984    0.012
1952.0      6.484    0.002      88.880    0.012
1953.0      6.450    0.002      88.775    0.012
1954.0      6.416    0.002      88.669    0.012
1955.0      6.382    0.002      88.562    0.012
1956.0      6.348    0.002      88.453    0.011
1957.0      6.314    0.002      88.343    0.011
1958.0      6.280    0.002      88.233    0.011
1959.0      6.246    0.002      88.120    0.011
1960.0      6.212    0.002      88.007    0.011
1961.0      6.178    0.002      87.893    0.011
1962.0      6.144    0.002      87.777    0.011
1963.0      6.111    0.002      87.660    0.011
1964.0      6.077    0.002      87.541    0.010
1965.0      6.043    0.002      87.421    0.010
1966.0      6.009    0.002      87.300    0.010
1967.0      5.976    0.002      87.178    0.010
1968.0      5.942    0.002      87.054    0.010
1969.0      5.908    0.002      86.929    0.010
1970.0      5.875    0.002      86.802    0.009
1971.0      5.841    0.001      86.674    0.009
1972.0      5.807    0.001      86.544    0.009
1973.0      5.774    0.001      86.413    0.009
1974.0      5.740    0.001      86.281    0.009
1975.0      5.707    0.001      86.146    0.009
1976.0      5.673    0.001      86.011    0.009
1977.0      5.640    0.001      85.873    0.008
1978.0      5.606    0.001      85.734    0.008
1979.0      5.573    0.001      85.593    0.008
1980.0      5.540    0.001      85.451    0.008
1981.0      5.506    0.001      85.307    0.008
1982.0      5.473    0.001      85.161    0.008
1983.0      5.440    0.001      85.013    0.007
1984.0      5.407    0.001      84.864    0.007
1985.0      5.374    0.001      84.712    0.007
1986.0      5.341    0.001      84.559    0.007
1987.0      5.307    0.001      84.404    0.007
1988.0      5.274    0.001      84.247    0.006
1989.0      5.241    0.001      84.088    0.006
1990.0      5.208    0.001      83.927    0.006
1991.0      5.176    0.001      83.764    0.006
1992.0      5.143    0.001      83.599    0.006
1993.0      5.110    0.001      83.431    0.005
1994.0      5.077    0.001      83.262    0.005
1995.0      5.044    0.001      83.090    0.005
1996.0      5.012    0.001      82.916    0.005
1997.0      4.979    0.001      82.740    0.005
1998.0      4.946    0.001      82.561    0.004
1999.0      4.914    0.001      82.381    0.004
2000.0      4.881    0.001      82.197    0.004
2001.0      4.849    0.000      82.011    0.004
2002.0      4.817    0.000      81.823    0.004
2003.0      4.784    0.000      81.632    0.003
2004.0      4.752    0.000      81.439    0.003
2005.0      4.720    0.000      81.243    0.003
2006.0      4.687    0.000      81.044    0.003
2007.0      4.655    0.000      80.843    0.002
2008.0      4.623    0.000      80.638    0.002
2009.0      4.591    0.000      80.431    0.002
2010.0      4.559    0.000      80.221    0.002
2011.0      4.527    0.000      80.008    0.001
2012.0      4.496    0.000      79.792    0.001
2013.0      4.464    0.000      79.573    0.001
2014.0      4.432    0.000      79.351    0.001
2015.0      4.401    0.000      79.125    0.000
2016.0      4.369    0.000      78.897    0.000
2017.0      4.338    0.000      78.665    0.000
2018.0      4.306    0.000      78.429    0.001
2019.0      4.275    0.000      78.190    0.001
2020.0      4.244    0.000      77.948    0.001
2021.0      4.212    0.000      77.702    0.001
2022.0      4.181    0.000      77.452    0.002
2023.0      4.150    0.000      77.199    0.002
2024.0      4.119    0.000      76.942    0.002
2025.0      4.088    0.000      76.681    0.003
2026.0      4.058    0.000      76.416    0.003
2027.0      4.027    0.000      76.147    0.003
2028.0      3.996    0.000      75.873    0.004
2029.0      3.966    0.000      75.596    0.004
2030.0      3.936    0.000      75.314    0.005
2031.0      3.905    0.000      75.028    0.005
2032.0      3.875    0.001      74.738    0.005
2033.0      3.845    0.001      74.442    0.006
2034.0      3.815    0.001      74.143    0.006
2035.0      3.785    0.001      73.838    0.006
2036.0      3.755    0.001      73.529    0.007
2037.0      3.726    0.001      73.214    0.007
2038.0      3.696    0.001      72.895    0.008
2039.0      3.667    0.001      72.571    0.008
2040.0      3.637    0.001      72.241    0.008
2041.0      3.608    0.001      71.906    0.009
2042.0      3.579    0.001      71.565    0.009
2043.0      3.550    0.001      71.219    0.010
2044.0      3.521    0.001      70.868    0.010
2045.0      3.492    0.001      70.510    0.011
2046.0      3.464    0.001      70.147    0.011
2047.0      3.436    0.001      69.777    0.012
2048.0      3.407    0.001      69.401    0.012
2049.0      3.379    0.001      69.019    0.013
2050.0      3.351    0.001      68.631    0.013
2051.0      3.323    0.001      68.236    0.014
2052.0      3.296    0.001      67.835    0.014
2053.0      3.268    0.001      67.427    0.015
2054.0      3.241    0.001      67.012    0.016
2055.0      3.214    0.001      66.589    0.016
2056.0      3.187    0.001      66.160    0.017
2057.0      3.160    0.001      65.724    0.017
2058.0      3.134    0.001      65.280    0.018
2059.0      3.107    0.001      64.828    0.019
2060.0      3.081    0.001      64.369    0.019
2061.0      3.055    0.001      63.901    0.020
2062.0      3.029    0.001      63.426    0.021
2063.0      3.004    0.001      62.943    0.022
2064.0      2.978    0.002      62.451    0.022
2065.0      2.953    0.002      61.951    0.023
2066.0      2.928    0.002      61.443    0.024
2067.0      2.903    0.002      60.926    0.025
2068.0      2.879    0.002      60.400    0.025
2069.0      2.855    0.002      59.865    0.026
2070.0      2.831    0.002      59.321    0.027
2071.0      2.807    0.002      58.767    0.028
2072.0      2.784    0.002      58.205    0.029
2073.0      2.761    0.002      57.632    0.030
2074.0      2.738    0.002      57.051    0.030
2075.0      2.715    0.002      56.459    0.031
2076.0      2.693    0.002      55.858    0.032
2077.0      2.671    0.002      55.247    0.033
2078.0      2.649    0.002      54.625    0.034
2079.0      2.628    0.002      53.994    0.035
2080.0      2.607    0.002      53.352    0.036
2081.0      2.586    0.002      52.700    0.037
2082.0      2.566    0.002      52.037    0.039
2083.0      2.546    0.002      51.364    0.040
2084.0      2.526    0.002      50.680    0.041
2085.0      2.507    0.002      49.986    0.042
2086.0      2.488    0.002      49.281    0.043
2087.0      2.470    0.002      48.565    0.044
2088.0      2.451    0.002      47.839    0.045
2089.0      2.434    0.002      47.102    0.047
2090.0      2.416    0.002      46.354    0.048
2091.0      2.399    0.002      45.596    0.049
2092.0      2.383    0.002      44.827    0.050
2093.0      2.367    0.002      44.047    0.052
2094.0      2.351    0.002      43.257    0.053
2095.0      2.336    0.002      42.457    0.054
2096.0      2.322    0.002      41.646    0.056
2097.0      2.307    0.002      40.825    0.057
2098.0      2.294    0.002      39.994    0.058
2099.0      2.280    0.002      39.153    0.060
2100.0      2.268    0.002      38.303    0.061




Measurements for SEI 298

WDS ID      Discovr     Comp  #    Sep      PA       Epoch      Obs  Telescope     Camera    Note
-------------------------------------------------------------------------------------------------
05293+3537  SEI 298           1    4.11"    255.4°   B2025.059  HWI  120/900 APO   ASI678MM  

-- Image of SEI-298-taken with Equinox 120/900 APO --


WDS record for SEI 298
wds_id                       : 05293+3537
discoverer_code              : SEI
discoverer_number            : 298
discoverer_components        : 
date_first                   : 1895
date_last                    : 2016
num_of_obs                   : 7
pa_first                     : 275
pa_last                      : 259
sep_first                    : 8.5
sep_last                     : 4.4
mag_primary                  : 11.6
mag_secondary                : 11.5
spectral_type                : 
primary_proper_motion_RA     : 3
primary_proper_motion_DEC    : -2
secondary_proper_motion_RA   : 37
secondary_proper_motion_DEC  : -14
dm_number                    : 
notes                        : S
precise_coordinate           : 052915.90+353659.1
                             : 05:29:15.90 +35:36:59.1

WDS Notes:
----------
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 183274191629335552
source_id = 183274191629335552
random_index = 1147081824
ref_epoch = 2016.0
ra = 82.31479416142786
ra_error = 0.017719992
dec = 35.616180204515686
dec_error = 0.013924201
parallax = 3.700305968482522
parallax_error = 0.021321448
parallax_over_error = 173.54854
pm = 39.249302
pmra = 36.81416638932903
pmra_error = 0.021346621
pmdec = -13.609734403385724
pmdec_error = 0.0167105
ra_dec_corr = 0.071899526
ra_parallax_corr = 0.28194943
ra_pmra_corr = 0.07144979
ra_pmdec_corr = 0.142763
dec_parallax_corr = -0.37139884
dec_pmra_corr = 0.02268729
dec_pmdec_corr = -0.21197082
parallax_pmra_corr = 0.16528699
parallax_pmdec_corr = 0.23067507
pmra_pmdec_corr = 0.17004073
astrometric_n_obs_al = 213
astrometric_n_obs_ac = 213
astrometric_n_good_obs_al = 212
astrometric_n_bad_obs_al = 1
astrometric_gof_al = -0.22368225
astrometric_chi2_al = 721.2261
astrometric_excess_noise = 0.10884838
astrometric_excess_noise_sig = 14.63255
astrometric_params_solved = 31
astrometric_primary_flag = true
nu_eff_used_in_astrometry = 1.5216796
astrometric_matched_transits = 25
visibility_periods_used = 17
astrometric_sigma5d_max = 0.030439243
matched_transits = 25
new_matched_transits = 8
matched_transits_removed = 0
ipd_gof_harmonic_amplitude = 0.057454612
ipd_gof_harmonic_phase = 4.112092
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 0.9874228
duplicated_source = false
phot_g_n_obs = 183
phot_g_mean_flux = 493251.76618371333
phot_g_mean_flux_error = 151.31958
phot_g_mean_flux_over_error = 3259.6692
phot_g_mean_mag = 11.454696
phot_bp_n_obs = 24
phot_bp_mean_flux = 247978.38253947173
phot_bp_mean_flux_error = 222.35918
phot_bp_mean_flux_over_error = 1115.2155
phot_bp_mean_mag = 11.852508
phot_rp_n_obs = 22
phot_rp_mean_flux = 350139.57774516544
phot_rp_mean_flux_error = 176.14174
phot_rp_mean_flux_over_error = 1987.8285
phot_rp_mean_mag = 10.887293
phot_bp_rp_excess_factor = 1.2126018
phot_bp_n_contaminated_transits = 0
phot_bp_n_blended_transits = 0
phot_rp_n_contaminated_transits = 0
phot_rp_n_blended_transits = 0
phot_proc_mode = 0
bp_rp = 0.9652147
bp_g = 0.3978119
g_rp = 0.56740284
radial_velocity = -106.73546
radial_velocity_error = 0.81004345
rv_method_used = 1
rv_nb_transits = 8
rv_nb_deblended_transits = 4
rv_visibility_periods_used = 8
rv_expected_sig_to_noise = 27.8984
rv_renormalised_gof = 0.7088569
rv_chisq_pvalue = 0.1968215
rv_time_duration = 886.1881
rv_amplitude_robust = 5.1258087
rv_template_teff = 5250.0
rv_template_logg = 4.0
rv_template_fe_h = -0.25
rv_atm_param_origin = 111
grvs_mag = 10.693932
grvs_mag_error = 0.012213348
grvs_mag_nb_transits = 2
phot_variable_flag = NOT_AVAILABLE
l = 172.5094569711942
b = 0.6668542969556791
ecl_lon = 83.61042409176885
ecl_lat = 12.347203167704446
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 = 1.0366049e-13
classprob_dsc_combmod_galaxy = 5.177789e-13
classprob_dsc_combmod_star = 0.9998378
teff_gspphot = 5662.3525
teff_gspphot_lower = 5650.956
teff_gspphot_upper = 5671.1226
logg_gspphot = 4.1081
logg_gspphot_lower = 4.0989
logg_gspphot_upper = 4.1158
mh_gspphot = -0.1136
mh_gspphot_lower = -0.1234
mh_gspphot_upper = -0.1056
distance_gspphot = 270.5894
distance_gspphot_lower = 268.4835
distance_gspphot_upper = 272.7627
azero_gspphot = 0.2456
azero_gspphot_lower = 0.2388
azero_gspphot_upper = 0.2505
ag_gspphot = 0.202
ag_gspphot_lower = 0.1964
ag_gspphot_upper = 0.2061
ebpminrp_gspphot = 0.1076
ebpminrp_gspphot_lower = 0.1046
ebpminrp_gspphot_upper = 0.1098
libname_gspphot = PHOENIX
    Star B - gaiadr3.gaia_source
solution_id = 1636148068921376768
designation = Gaia DR3 183274191624324480
source_id = 183274191624324480
random_index = 607694764
ref_epoch = 2016.0
ra = 82.31625911540857
ra_error = 0.020364394
dec = 35.61641391581107
dec_error = 0.015697597
parallax = 1.1385261478856845
parallax_error = 0.02346377
parallax_over_error = 48.522728
pm = 3.4995978
pmra = 2.506737320286693
pmra_error = 0.024838746
pmdec = -2.4420181169083475
pmdec_error = 0.019515866
ra_dec_corr = 0.07462806
ra_parallax_corr = 0.24396591
ra_pmra_corr = -0.017612126
ra_pmdec_corr = 0.15404125
dec_parallax_corr = -0.29304194
dec_pmra_corr = 0.0632175
dec_pmdec_corr = -0.27524728
parallax_pmra_corr = 0.12675972
parallax_pmdec_corr = 0.22960995
pmra_pmdec_corr = 0.15871944
astrometric_n_obs_al = 229
astrometric_n_obs_ac = 229
astrometric_n_good_obs_al = 229
astrometric_n_bad_obs_al = 0
astrometric_gof_al = 0.8446146
astrometric_chi2_al = 864.51935
astrometric_excess_noise = 0.14282505
astrometric_excess_noise_sig = 25.06377
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.6631534
astrometric_matched_transits = 27
visibility_periods_used = 17
astrometric_sigma5d_max = 0.03511176
matched_transits = 27
new_matched_transits = 10
matched_transits_removed = 0
ipd_gof_harmonic_amplitude = 0.061720535
ipd_gof_harmonic_phase = 3.909151
ipd_frac_multi_peak = 44
ipd_frac_odd_win = 0
ruwe = 1.0386611
duplicated_source = false
phot_g_n_obs = 206
phot_g_mean_flux = 431408.21243728726
phot_g_mean_flux_error = 170.59357
phot_g_mean_flux_over_error = 2528.8657
phot_g_mean_mag = 11.600146
phot_bp_n_obs = 25
phot_bp_mean_flux = 286816.6682374683
phot_bp_mean_flux_error = 470.35727
phot_bp_mean_flux_over_error = 609.7847
phot_bp_mean_mag = 11.694531
phot_rp_n_obs = 25
phot_rp_mean_flux = 232725.04243158968
phot_rp_mean_flux_error = 655.6465
phot_rp_mean_flux_over_error = 354.95508
phot_rp_mean_mag = 11.330788
phot_bp_rp_excess_factor = 1.2042925
phot_bp_n_contaminated_transits = 0
phot_bp_n_blended_transits = 25
phot_rp_n_contaminated_transits = 0
phot_rp_n_blended_transits = 25
phot_proc_mode = 0
bp_rp = 0.36374378
bp_g = 0.09438515
g_rp = 0.26935863
phot_variable_flag = NOT_AVAILABLE
l = 172.50992031973465
b = 0.6679760059263453
ecl_lon = 83.61165442129825
ecl_lat = 12.347371688143673
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 = 3.8645537e-10
classprob_dsc_combmod_galaxy = 5.1612485e-13
classprob_dsc_combmod_star = 0.99987143
teff_gspphot = 10534.849
teff_gspphot_lower = 10496.056
teff_gspphot_upper = 10576.026
logg_gspphot = 4.0936
logg_gspphot_lower = 4.0795
logg_gspphot_upper = 4.1072
mh_gspphot = -1.4529
mh_gspphot_lower = -1.4886
mh_gspphot_upper = -1.3438
distance_gspphot = 890.7433
distance_gspphot_lower = 876.3642
distance_gspphot_upper = 906.131
azero_gspphot = 0.8212
azero_gspphot_lower = 0.8174
azero_gspphot_upper = 0.825
ag_gspphot = 0.7729
ag_gspphot_lower = 0.7693
ag_gspphot_upper = 0.7766
ebpminrp_gspphot = 0.414
ebpminrp_gspphot_lower = 0.4121
ebpminrp_gspphot_upper = 0.4161
libname_gspphot = A
- gaiadr3.astrophysical_parameters
solution_id = 1636148068921376768
source_id = 183274191629335552
classprob_dsc_combmod_quasar = 1.0366049e-13
classprob_dsc_combmod_galaxy = 5.177789e-13
classprob_dsc_combmod_star = 0.9998378
classprob_dsc_combmod_whitedwarf = 2.0347279e-12
classprob_dsc_combmod_binarystar = 0.00016218604
classprob_dsc_specmod_quasar = 0.0
classprob_dsc_specmod_galaxy = 0.0
classprob_dsc_specmod_star = 0.9840373
classprob_dsc_specmod_whitedwarf = 0.0
classprob_dsc_specmod_binarystar = 0.015962744
classprob_dsc_allosmod_quasar = 0.0
classprob_dsc_allosmod_galaxy = 0.0
classprob_dsc_allosmod_star = 1.0
teff_gspphot = 5662.3525
teff_gspphot_lower = 5650.956
teff_gspphot_upper = 5671.1226
logg_gspphot = 4.1081
logg_gspphot_lower = 4.0989
logg_gspphot_upper = 4.1158
mh_gspphot = -0.1136
mh_gspphot_lower = -0.1234
mh_gspphot_upper = -0.1056
distance_gspphot = 270.5894
distance_gspphot_lower = 268.4835
distance_gspphot_upper = 272.7627
azero_gspphot = 0.2456
azero_gspphot_lower = 0.2388
azero_gspphot_upper = 0.2505
ag_gspphot = 0.202
ag_gspphot_lower = 0.1964
ag_gspphot_upper = 0.2061
abp_gspphot = 0.2545
abp_gspphot_lower = 0.2475
abp_gspphot_upper = 0.2597
arp_gspphot = 0.1469
arp_gspphot_lower = 0.1429
arp_gspphot_upper = 0.1499
ebpminrp_gspphot = 0.1076
ebpminrp_gspphot_lower = 0.1046
ebpminrp_gspphot_upper = 0.1098
mg_gspphot = 4.0264
mg_gspphot_lower = 4.0136
mg_gspphot_upper = 4.04
radius_gspphot = 1.392
radius_gspphot_lower = 1.3797
radius_gspphot_upper = 1.4055
logposterior_gspphot = -2610.9854
mcmcaccept_gspphot = 0.37128526
libname_gspphot = PHOENIX
ew_espels_halpha = 0.10015718
ew_espels_halpha_uncertainty = 0.014153588
ew_espels_halpha_flag = 0
ew_espels_halpha_model = 0.098641
flags_esphs = 91
spectraltype_esphs = G
activityindex_espcs_input = M1
radius_flame = 1.3402661
radius_flame_lower = 1.3123969
radius_flame_upper = 1.3681973
lum_flame = 1.6617658
lum_flame_lower = 1.6428529
lum_flame_upper = 1.6812328
mass_flame = 0.962388
mass_flame_lower = 0.92219543
mass_flame_upper = 1.0025109
age_flame = 11.903173
age_flame_lower = 10.767645
age_flame_upper = 13.045855
flags_flame = 00
evolstage_flame = 410
gravredshift_flame = 0.40363905
gravredshift_flame_lower = 0.39974943
gravredshift_flame_upper = 0.40697458
bc_flame = 0.069809556
mh_msc = 0.036462348
mh_msc_upper = 0.34775224
mh_msc_lower = -0.18768002
azero_msc = 0.42640254
azero_msc_upper = 0.8175905
azero_msc_lower = 0.0
distance_msc = 264.0269
distance_msc_upper = 332.74088
distance_msc_lower = 234.67538
teff_msc1 = 5283.0986
teff_msc1_upper = 5717.542
teff_msc1_lower = 4582.2
teff_msc2 = 5383.651
teff_msc2_upper = 6226.571
teff_msc2_lower = 3424.1733
logg_msc1 = 4.3294687
logg_msc1_upper = 4.5346375
logg_msc1_lower = 4.0715523
logg_msc2 = 4.735264
logg_msc2_upper = 5.2
logg_msc2_lower = 2.8193989
ag_msc = 0.34053394
ag_msc_upper = 0.6452025
ag_msc_lower = 0.0
logposterior_msc = 597.1524
mcmcaccept_msc = 0.12945108
mcmcdrift_msc = 0.05125658
flags_msc = 0
    - gaiadr3.astrophysical_parameters
solution_id = 1636148068921376768
source_id = 183274191624324480
classprob_dsc_combmod_quasar = 3.8645537e-10
classprob_dsc_combmod_galaxy = 5.1612485e-13
classprob_dsc_combmod_star = 0.99987143
classprob_dsc_combmod_whitedwarf = 8.945098e-09
classprob_dsc_combmod_binarystar = 0.00012856646
classprob_dsc_specmod_quasar = 3.7390353e-05
classprob_dsc_specmod_galaxy = 0.0
classprob_dsc_specmod_star = 0.9872241
classprob_dsc_specmod_whitedwarf = 4.4093023e-05
classprob_dsc_specmod_binarystar = 0.012694373
classprob_dsc_allosmod_quasar = 0.0
classprob_dsc_allosmod_galaxy = 0.0
classprob_dsc_allosmod_star = 1.0
teff_gspphot = 10534.849
teff_gspphot_lower = 10496.056
teff_gspphot_upper = 10576.026
logg_gspphot = 4.0936
logg_gspphot_lower = 4.0795
logg_gspphot_upper = 4.1072
mh_gspphot = -1.4529
mh_gspphot_lower = -1.4886
mh_gspphot_upper = -1.3438
distance_gspphot = 890.7433
distance_gspphot_lower = 876.3642
distance_gspphot_upper = 906.131
azero_gspphot = 0.8212
azero_gspphot_lower = 0.8174
azero_gspphot_upper = 0.825
ag_gspphot = 0.7729
ag_gspphot_lower = 0.7693
ag_gspphot_upper = 0.7766
abp_gspphot = 0.9169
abp_gspphot_lower = 0.9127
abp_gspphot_upper = 0.9213
arp_gspphot = 0.5029
arp_gspphot_lower = 0.5006
arp_gspphot_upper = 0.5053
ebpminrp_gspphot = 0.414
ebpminrp_gspphot_lower = 0.4121
ebpminrp_gspphot_upper = 0.4161
mg_gspphot = 1.0458
mg_gspphot_lower = 1.0081
mg_gspphot_upper = 1.0804
radius_gspphot = 1.982
radius_gspphot_lower = 1.9484
radius_gspphot_upper = 2.0178
logposterior_gspphot = -1057.2756
mcmcaccept_gspphot = 0.50711596
libname_gspphot = A
ew_espels_halpha = 0.5215733
ew_espels_halpha_uncertainty = 0.04811545
ew_espels_halpha_flag = 0
ew_espels_halpha_model = 0.458579
flags_esphs = 91
spectraltype_esphs = B
radius_flame = 1.8644997
radius_flame_lower = 1.8155918
radius_flame_upper = 1.915664
lum_flame = 38.610813
lum_flame_lower = 37.300156
lum_flame_upper = 40.06172
mass_flame = 2.4443402
mass_flame_lower = 2.4008937
mass_flame_upper = 2.4885066
flags_flame = 00
evolstage_flame = 134
gravredshift_flame = 0.5714268
gravredshift_flame_lower = 0.5631412
gravredshift_flame_upper = 0.58134866
bc_flame = -0.44464934
mh_msc = -0.52066255
mh_msc_upper = -0.34493375
mh_msc_lower = -0.63320506
azero_msc = 0.100384
azero_msc_upper = 0.14053912
azero_msc_lower = 0.04738608
distance_msc = 1239.1698
distance_msc_upper = 1335.3307
distance_msc_lower = 1164.9498
teff_msc1 = 7595.798
teff_msc1_upper = 7704.4404
teff_msc1_lower = 7471.115
teff_msc2 = 7583.6147
teff_msc2_upper = 7956.7446
teff_msc2_lower = 7076.4224
logg_msc1 = 3.884346
logg_msc1_upper = 4.0321226
logg_msc1_lower = 3.7378712
logg_msc2 = 4.39678
logg_msc2_upper = 4.432109
logg_msc2_lower = 4.306753
ag_msc = 0.09102611
ag_msc_upper = 0.12741117
ag_msc_lower = 0.04377058
logposterior_msc = 21.731873
mcmcaccept_msc = 0.25059667
mcmcdrift_msc = 0.270482
flags_msc = 0




Observation Date:


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


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


Report Information
Double Star Calculator: Version 1.2 ($Rev: 2591 $)
Report created: 2026-09-09 08:27:26 +0200



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