Double Star Calculator - Results


Discoverer & Number:    HJ 397 AB
Gaia Source ID - Star A          : 3386444243880652928     Simbad
Gaia Source ID - Star B          : 3386444346959864320     Simbad
Observation Epoch : J2025.055 / 2025-01-21 Angular Separation : 30.714 ± 0.0003 arcsec Position Angle : 44.74 ± 0.0005 degree
Star A/B Epoch : J2016.000 / J2016.000 Angular Separation : 30.756 < 0.0001 arcsec Position Angle : 44.80 < 0.0001 degree Projected Separation : 30367.39 au Spatial Separation : 647.43 ± 28.01 pc Spatial Separation : 2111.63 ± 91.35 ly Parallax Significance (RI) : 27.36 σ ΔProper Motion Angle : 68.25 ± 0.88 degree ΔTotal Proper Motion : 4.43 ± 0.03 mas/yr ΔTangential Velocity : 32.82 ± 0.78 km/s ΔRadial Velocity : 88.04 ± 10.67 km/s ΔSpeed (scalar) : 87.47 ± 9.74 km/s ΔRelative Velocity (3D) : 95.33 ± 9.85 km/s

Aladin Lite Sky Atlas



Star A
Gaia Source ID                   : 3386444243880652928           VizieR
Epoch : J2016.000 Right Ascension (RA) : 06h 41m 20.90s Declination (Dec) : 28° 11' 47.88" Distance : 663.64 ± 9.92 pc Distance : 2164.51 ± 32.36 ly Magnitude (G-band) : 6.16 mag Absolute Magnitude : -3.12 ± 0.03 mag Stellar Extinction : 0.16 ± <0.01 mag Spectral Type (BP/RP) : K Bolometric correction : -0.70 mag Luminosity : 2645.87 + 80.90 / − 78.50 L☉ Log(Luminosity) : 3.42257 Effective temperature (Teff) : 4933.98 + 3.55 / - 5.53 K Log(Teff) : 3.69320 Mass estimation : 7.29 M☉ RUWE : 1.03 Position Angle of Proper Motion : 176.18 ± 0.87 degree Total Proper Motion : 1.72 ± 0.02 mas/yr Tangential Velocity : 5.41 ± 0.11 km/s Radial Velocity (Gaia) : -2.70 ± 0.13 km/s Space Velocity : 6.05 ± 0.11 km/s

Star A - Selected astrophysical parameters
DSC-Combmod binary star          :       0.00
DSC-Specmod binary star          :       0.00
Radius from GSP-Phot Aeneas      :      46.85  ±   0.20          R☉
Spectral type from ESP-ELS       :          K
Radius of the star from FLAME    :      50.40  ±   1.22          R☉
Bolometric correction            :      -0.02                    mag
Luminosity of the star (FLAME)   :    1355.59  ±  36.90          L☉
Mass of the star from FLAME      :       6.19  ±   0.53          M☉
FLAME quality indicators         :         00
  Quality                        :       OK
  Source                         :       Parallax used
Evolutionary stage from FLAME    :        488      Subgiant Branch

Star A - Double Star Quality Metrics
Parallax over error :     66.894 : very good
RUWE                :      1.030 : good astrometric fit (single star)
Non Single Star     :            : Single Star
Duplicated source   :      false : single source
G magnitude         :      6.157 : G > 3 mag, photometry reliable
Excess noise        :      0.137 : Good fit
  Significance      :     19.151 :   Minor noise, likely negligible
BP-RP excess factor :      1.236 : photometry consistent
Visibility periods  :         14 : high, indicates well observed star
IPD multi-peak frac :         0% : single peak detected
IDP GoF harmonic amp:      0.117 : slight indication of structure


Star B
Gaia Source ID                   : 3386444346959864320           VizieR
Epoch : J2016.000 Right Ascension (RA) : 06h 41m 22.54s Declination (Dec) : 28° 12' 9.70" Distance : 1311.07 ± 26.19 pc Distance : 4276.14 ± 85.42 ly Magnitude (G-band) : 13.79 mag Absolute Magnitude : 3.00 ± 0.04 mag Stellar Extinction : 0.20 ± <0.01 mag Spectral Type (BP/RP) : G Bolometric correction : -0.15 mag Luminosity : 5.71 + 0.23 / − 0.22 L☉ Log(Luminosity) : 0.75681 Effective temperature (Teff) : 6005.71 + 8.99 / - 4.37 K Log(Teff) : 3.77856 Mass estimation : 1.39 M☉ RUWE : 0.98 Position Angle of Proper Motion : 244.43 ± 0.16 degree Total Proper Motion : 6.15 ± 0.02 mas/yr Tangential Velocity : 38.23 ± 0.77 km/s Radial Velocity (Gaia) : 85.34 ± 10.66 km/s Space Velocity : 93.51 ± 9.74 km/s

Star B - Selected astrophysical parameters
DSC-Combmod binary star          :       0.00
DSC-Specmod binary star          :       0.01
Radius from GSP-Phot Aeneas      :       1.79  ±   0.03          R☉
Spectral type from ESP-ELS       :          G
Radius of the star from FLAME    :       1.92  ±   0.05          R☉
Bolometric correction            :       0.03                    mag
Luminosity of the star (FLAME)   :       4.32  ±   0.17          L☉
Mass of the star from FLAME      :       1.22  ±   0.04          M☉
FLAME quality indicators         :         00
  Quality                        :       OK
  Source                         :       Parallax used
Evolutionary stage from FLAME    :        411      Main Sequence (late)

Star B - Double Star Quality Metrics
Parallax over error :     50.058 : very good
RUWE                :      0.980 : good astrometric fit (single star)
Non Single Star     :            : Single Star
Duplicated source   :      false : single source
G magnitude         :     13.785 : G > 3 mag, photometry reliable
Excess noise        :      0.000 : Very good fit
  Significance      :      0.000 :   Reliable single-star astrometry
BP-RP excess factor :      1.210 : photometry consistent
Visibility periods  :         16 : high, indicates well observed star
IPD multi-peak frac :         0% : single peak detected
IDP GoF harmonic amp:      0.098 : unobtrusive (single star source)

Hertzsprung-Russell Diagram of the Double-Star
Positions of both components within the HRD, either derived from calculated luminosities and
effective temperatures (Teff) from the Gaia GSP-Phot Aeneas library (plotted as solid circles)
or estimated from the color index (bp_rp) measured by Gaia (plotted as open circles).


Double Star plausibility checks
Common Proper Motion

Classification acc. to Harshaw     :
===================================
rPM (Proper Motion Ratio)          :        0.93     (DPM)

Co-Moving

UWLE for Co-Moving Pairs (3D)      :
===================================
COMOV: Velocity Evidence Indicator :        0.00     (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               :    30367.39     au
Spatial Separation                 :      647.43     pc
  1-Sigma Range                    : [    619.42,     675.44] pc
  Significance (RI)                :       27.36     σ
  Note: High-confidence 3D separation


Proper Motion and Velocity         :
===================================
rPM (Proper Motion Ratio)          :        0.93     (DPM)
ΔRelative Velocity (3D)            :       95.33  ±  9.85   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]         :     -0.0839  ± 0.0033 dex
  Metallicity reliability factor A :        1.00
Metallicity Star B - [M/H]         :     -0.8973  ± 0.0143 dex
  Metallicity reliability factor B :        0.68
Metallicity Difference             :      0.8134           dex
Combined uncertainty               :      0.2105           dex
Sigma-Distance (Z-Score)           :      3.86 σ
  Compatibility                    :  Inconsistent (likely different)

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) :  1.03 : Zero
RUWE probability for a binary system (Star B) :  0.98 : 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     31.299    0.003      45.511    0.006
1901.0     31.294    0.003      45.505    0.006
1902.0     31.289    0.003      45.499    0.006
1903.0     31.285    0.003      45.493    0.006
1904.0     31.280    0.003      45.487    0.006
1905.0     31.275    0.003      45.481    0.005
1906.0     31.271    0.003      45.475    0.005
1907.0     31.266    0.003      45.469    0.005
1908.0     31.261    0.003      45.463    0.005
1909.0     31.257    0.003      45.457    0.005
1910.0     31.252    0.003      45.451    0.005
1911.0     31.247    0.003      45.444    0.005
1912.0     31.242    0.003      45.438    0.005
1913.0     31.238    0.003      45.432    0.005
1914.0     31.233    0.003      45.426    0.005
1915.0     31.228    0.003      45.420    0.005
1916.0     31.224    0.003      45.414    0.005
1917.0     31.219    0.003      45.408    0.005
1918.0     31.214    0.003      45.402    0.005
1919.0     31.210    0.003      45.396    0.005
1920.0     31.205    0.003      45.390    0.005
1921.0     31.200    0.003      45.384    0.005
1922.0     31.196    0.003      45.378    0.005
1923.0     31.191    0.003      45.372    0.005
1924.0     31.186    0.003      45.366    0.005
1925.0     31.181    0.003      45.359    0.005
1926.0     31.177    0.003      45.353    0.004
1927.0     31.172    0.002      45.347    0.004
1928.0     31.167    0.002      45.341    0.004
1929.0     31.163    0.002      45.335    0.004
1930.0     31.158    0.002      45.329    0.004
1931.0     31.153    0.002      45.323    0.004
1932.0     31.149    0.002      45.317    0.004
1933.0     31.144    0.002      45.311    0.004
1934.0     31.139    0.002      45.305    0.004
1935.0     31.135    0.002      45.299    0.004
1936.0     31.130    0.002      45.292    0.004
1937.0     31.125    0.002      45.286    0.004
1938.0     31.121    0.002      45.280    0.004
1939.0     31.116    0.002      45.274    0.004
1940.0     31.111    0.002      45.268    0.004
1941.0     31.106    0.002      45.262    0.004
1942.0     31.102    0.002      45.256    0.004
1943.0     31.097    0.002      45.250    0.004
1944.0     31.092    0.002      45.244    0.004
1945.0     31.088    0.002      45.237    0.004
1946.0     31.083    0.002      45.231    0.003
1947.0     31.078    0.002      45.225    0.003
1948.0     31.074    0.002      45.219    0.003
1949.0     31.069    0.002      45.213    0.003
1950.0     31.064    0.002      45.207    0.003
1951.0     31.060    0.002      45.201    0.003
1952.0     31.055    0.002      45.195    0.003
1953.0     31.050    0.002      45.188    0.003
1954.0     31.046    0.002      45.182    0.003
1955.0     31.041    0.002      45.176    0.003
1956.0     31.036    0.002      45.170    0.003
1957.0     31.032    0.002      45.164    0.003
1958.0     31.027    0.002      45.158    0.003
1959.0     31.022    0.002      45.152    0.003
1960.0     31.018    0.002      45.145    0.003
1961.0     31.013    0.002      45.139    0.003
1962.0     31.008    0.002      45.133    0.003
1963.0     31.004    0.001      45.127    0.003
1964.0     30.999    0.001      45.121    0.003
1965.0     30.994    0.001      45.115    0.003
1966.0     30.990    0.001      45.108    0.002
1967.0     30.985    0.001      45.102    0.002
1968.0     30.980    0.001      45.096    0.002
1969.0     30.975    0.001      45.090    0.002
1970.0     30.971    0.001      45.084    0.002
1971.0     30.966    0.001      45.078    0.002
1972.0     30.961    0.001      45.071    0.002
1973.0     30.957    0.001      45.065    0.002
1974.0     30.952    0.001      45.059    0.002
1975.0     30.947    0.001      45.053    0.002
1976.0     30.943    0.001      45.047    0.002
1977.0     30.938    0.001      45.041    0.002
1978.0     30.933    0.001      45.034    0.002
1979.0     30.929    0.001      45.028    0.002
1980.0     30.924    0.001      45.022    0.002
1981.0     30.919    0.001      45.016    0.002
1982.0     30.915    0.001      45.010    0.002
1983.0     30.910    0.001      45.003    0.002
1984.0     30.905    0.001      44.997    0.002
1985.0     30.901    0.001      44.991    0.002
1986.0     30.896    0.001      44.985    0.002
1987.0     30.891    0.001      44.979    0.001
1988.0     30.887    0.001      44.972    0.001
1989.0     30.882    0.001      44.966    0.001
1990.0     30.877    0.001      44.960    0.001
1991.0     30.873    0.001      44.954    0.001
1992.0     30.868    0.001      44.948    0.001
1993.0     30.863    0.001      44.941    0.001
1994.0     30.859    0.001      44.935    0.001
1995.0     30.854    0.001      44.929    0.001
1996.0     30.849    0.001      44.923    0.001
1997.0     30.845    0.001      44.917    0.001
1998.0     30.840    0.001      44.910    0.001
1999.0     30.835    0.000      44.904    0.001
2000.0     30.831    0.000      44.898    0.001
2001.0     30.826    0.000      44.892    0.001
2002.0     30.821    0.000      44.885    0.001
2003.0     30.817    0.000      44.879    0.001
2004.0     30.812    0.000      44.873    0.001
2005.0     30.807    0.000      44.867    0.001
2006.0     30.803    0.000      44.861    0.001
2007.0     30.798    0.000      44.854    0.000
2008.0     30.793    0.000      44.848    0.000
2009.0     30.789    0.000      44.842    0.000
2010.0     30.784    0.000      44.836    0.000
2011.0     30.780    0.000      44.829    0.000
2012.0     30.775    0.000      44.823    0.000
2013.0     30.770    0.000      44.817    0.000
2014.0     30.766    0.000      44.811    0.000
2015.0     30.761    0.000      44.804    0.000
2016.0     30.756    0.000      44.798    0.000
2017.0     30.752    0.000      44.792    0.000
2018.0     30.747    0.000      44.786    0.000
2019.0     30.742    0.000      44.779    0.000
2020.0     30.738    0.000      44.773    0.000
2021.0     30.733    0.000      44.767    0.000
2022.0     30.728    0.000      44.761    0.000
2023.0     30.724    0.000      44.754    0.000
2024.0     30.719    0.000      44.748    0.000
2025.0     30.714    0.000      44.742    0.000
2026.0     30.710    0.000      44.735    0.001
2027.0     30.705    0.000      44.729    0.001
2028.0     30.700    0.000      44.723    0.001
2029.0     30.696    0.000      44.717    0.001
2030.0     30.691    0.000      44.710    0.001
2031.0     30.686    0.000      44.704    0.001
2032.0     30.682    0.000      44.698    0.001
2033.0     30.677    0.000      44.692    0.001
2034.0     30.672    0.001      44.685    0.001
2035.0     30.668    0.001      44.679    0.001
2036.0     30.663    0.001      44.673    0.001
2037.0     30.659    0.001      44.666    0.001
2038.0     30.654    0.001      44.660    0.001
2039.0     30.649    0.001      44.654    0.001
2040.0     30.645    0.001      44.647    0.001
2041.0     30.640    0.001      44.641    0.001
2042.0     30.635    0.001      44.635    0.001
2043.0     30.631    0.001      44.629    0.001
2044.0     30.626    0.001      44.622    0.001
2045.0     30.621    0.001      44.616    0.001
2046.0     30.617    0.001      44.610    0.002
2047.0     30.612    0.001      44.603    0.002
2048.0     30.607    0.001      44.597    0.002
2049.0     30.603    0.001      44.591    0.002
2050.0     30.598    0.001      44.584    0.002
2051.0     30.593    0.001      44.578    0.002
2052.0     30.589    0.001      44.572    0.002
2053.0     30.584    0.001      44.565    0.002
2054.0     30.580    0.001      44.559    0.002
2055.0     30.575    0.001      44.553    0.002
2056.0     30.570    0.001      44.546    0.002
2057.0     30.566    0.001      44.540    0.002
2058.0     30.561    0.001      44.534    0.002
2059.0     30.556    0.001      44.527    0.002
2060.0     30.552    0.001      44.521    0.002
2061.0     30.547    0.001      44.515    0.002
2062.0     30.542    0.001      44.508    0.002
2063.0     30.538    0.001      44.502    0.002
2064.0     30.533    0.001      44.496    0.002
2065.0     30.529    0.001      44.489    0.002
2066.0     30.524    0.001      44.483    0.003
2067.0     30.519    0.001      44.477    0.003
2068.0     30.515    0.001      44.470    0.003
2069.0     30.510    0.001      44.464    0.003
2070.0     30.505    0.002      44.458    0.003
2071.0     30.501    0.002      44.451    0.003
2072.0     30.496    0.002      44.445    0.003
2073.0     30.491    0.002      44.439    0.003
2074.0     30.487    0.002      44.432    0.003
2075.0     30.482    0.002      44.426    0.003
2076.0     30.478    0.002      44.419    0.003
2077.0     30.473    0.002      44.413    0.003
2078.0     30.468    0.002      44.407    0.003
2079.0     30.464    0.002      44.400    0.003
2080.0     30.459    0.002      44.394    0.003
2081.0     30.454    0.002      44.388    0.003
2082.0     30.450    0.002      44.381    0.003
2083.0     30.445    0.002      44.375    0.003
2084.0     30.440    0.002      44.368    0.003
2085.0     30.436    0.002      44.362    0.004
2086.0     30.431    0.002      44.356    0.004
2087.0     30.427    0.002      44.349    0.004
2088.0     30.422    0.002      44.343    0.004
2089.0     30.417    0.002      44.336    0.004
2090.0     30.413    0.002      44.330    0.004
2091.0     30.408    0.002      44.324    0.004
2092.0     30.403    0.002      44.317    0.004
2093.0     30.399    0.002      44.311    0.004
2094.0     30.394    0.002      44.304    0.004
2095.0     30.390    0.002      44.298    0.004
2096.0     30.385    0.002      44.292    0.004
2097.0     30.380    0.002      44.285    0.004
2098.0     30.376    0.002      44.279    0.004
2099.0     30.371    0.002      44.272    0.004
2100.0     30.366    0.002      44.266    0.004


Measurements for HJ 397 AB

WDS ID      Discovr     Comp  #    Sep      PA       Epoch      Obs  Telescope     Camera    Note
-------------------------------------------------------------------------------------------------
06413+2812  HJ 397      AB    1    30.57"   44.6°    B2025.059  HWI  120/900 APO   ASI678MM  

-- Image of HJ-397-AB-taken with Equinox 120/900 APO --


WDS record for HJ 397 AB
wds_id                       : 06413+2812
discoverer_code              : HJ
discoverer_number            : 397
discoverer_components        : AB
date_first                   : 1827
date_last                    : 2001
num_of_obs                   : 4
pa_first                     : 30
pa_last                      : 46
sep_first                    : 25.0
sep_last                     : 30.5
mag_primary                  : 6.42
mag_secondary                : 11.7
spectral_type                : G5Ib
primary_proper_motion_RA     : 0
primary_proper_motion_DEC    : -3
secondary_proper_motion_RA   : 
secondary_proper_motion_DEC  : 
dm_number                    : +28 1207
notes                        : N
precise_coordinate           : 064120.90+281147.9
                             : 06:41:20.90 +28:11:47.9

WDS Notes:
----------
N: Notes found in WDSNOT MEMO of WDS



Parsed GAIA Input Data
Click to expand/collapse the Gaia Input Data:
Star A - gaiadr3.gaia_source
solution_id = 1636148068921376768
designation = Gaia DR3 3386444243880652928
source_id = 3386444243880652928
random_index = 359718002.0
ref_epoch = 2016.0
ra = 100.33707372182633
ra_error = 0.021203423
dec = 28.196632506018013
dec_error = 0.018841898
parallax = 1.5068335917707578
parallax_error = 0.022525586
parallax_over_error = 66.89431
pm = 1.7209084
pmra = 0.1147330386837073
pmra_error = 0.026109647
pmdec = -1.7170795051345495
pmdec_error = 0.021636859
ra_dec_corr = -0.1955939
ra_parallax_corr = -0.12719283
ra_pmra_corr = -0.1607433
ra_pmdec_corr = 0.028902907
dec_parallax_corr = -0.098440416
dec_pmra_corr = 0.046167396
dec_pmdec_corr = -0.32233536
parallax_pmra_corr = 0.109227434
parallax_pmdec_corr = 0.109263435
pmra_pmdec_corr = -0.29986972
astrometric_n_obs_al = 166
astrometric_n_obs_ac = 166
astrometric_n_good_obs_al = 164
astrometric_n_bad_obs_al = 2
astrometric_gof_al = 0.62005705
astrometric_chi2_al = 584.2399
astrometric_excess_noise = 0.13667762
astrometric_excess_noise_sig = 19.15103
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.4755397
astrometric_matched_transits = 19
visibility_periods_used = 14
astrometric_sigma5d_max = 0.038826052
matched_transits = 19
new_matched_transits = 8
matched_transits_removed = 12
ipd_gof_harmonic_amplitude = 0.1167909
ipd_gof_harmonic_phase = 2.7389128
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 1.0328519
duplicated_source = false
phot_g_n_obs = 164
phot_g_mean_flux = 64864407.743462645
phot_g_mean_flux_error = 18220.041
phot_g_mean_flux_over_error = 3560.0583
phot_g_mean_mag = 6.1573505
phot_bp_n_obs = 18
phot_bp_mean_flux = 29105859.00626513
phot_bp_mean_flux_error = 32938.918
phot_bp_mean_flux_over_error = 883.6313
phot_bp_mean_mag = 6.6785913
phot_rp_n_obs = 17
phot_rp_mean_flux = 51037096.114988364
phot_rp_mean_flux_error = 73198.35
phot_rp_mean_flux_over_error = 697.2438
phot_rp_mean_mag = 5.4781804
phot_bp_rp_excess_factor = 1.2355459
phot_bp_n_contaminated_transits = 0
phot_bp_n_blended_transits = 0
phot_rp_n_contaminated_transits = 0
phot_rp_n_blended_transits = 0
phot_proc_mode = 0
bp_rp = 1.2004108
bp_g = 0.5212407
g_rp = 0.67917013
radial_velocity = -2.695073
radial_velocity_error = 0.12926815
rv_method_used = 1
rv_nb_transits = 14
rv_nb_deblended_transits = 0
rv_visibility_periods_used = 12
rv_expected_sig_to_noise = 692.077
rv_chisq_pvalue = 0.37148026
rv_time_duration = 969.5643
rv_amplitude_robust = 0.7920153
rv_template_teff = 5000.0
rv_template_logg = 1.5
rv_template_fe_h = 0.0
rv_atm_param_origin = 222
vbroad = 10.769313
vbroad_error = 0.39443278
vbroad_nb_transits = 13
grvs_mag = 5.2448854
grvs_mag_error = 0.0050798473
grvs_mag_nb_transits = 14
phot_variable_flag = NOT_AVAILABLE
l = 186.4728409909578
b = 10.424021242591625
ecl_lon = 99.13551129349415
ecl_lat = 5.084578372265096
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 = 1.024362e-13
classprob_dsc_combmod_galaxy = 5.116637e-13
classprob_dsc_combmod_star = 0.9999592
teff_gspphot = 4933.984
teff_gspphot_lower = 4928.4507
teff_gspphot_upper = 4937.5337
logg_gspphot = 1.7563
logg_gspphot_lower = 1.7538
logg_gspphot_upper = 1.7613
mh_gspphot = -0.0839
mh_gspphot_lower = -0.0872
mh_gspphot_upper = -0.0806
distance_gspphot = 603.5292
distance_gspphot_lower = 599.9608
distance_gspphot_upper = 605.1147
azero_gspphot = 0.2082
azero_gspphot_lower = 0.202
azero_gspphot_upper = 0.2119
ag_gspphot = 0.1641
ag_gspphot_lower = 0.1591
ag_gspphot_upper = 0.167
ebpminrp_gspphot = 0.0858
ebpminrp_gspphot_lower = 0.0832
ebpminrp_gspphot_upper = 0.0874
libname_gspphot = MARCS
    Star B - gaiadr3.gaia_source
solution_id = 1636148068921376768
designation = Gaia DR3 3386444346959864320
source_id = 3386444346959864320
random_index = 812893230.0
ref_epoch = 2016.0
ra = 100.34390442288569
ra_error = 0.01417984
dec = 28.20269468072433
dec_error = 0.012784017
parallax = 0.7627350009376206
parallax_error = 0.015237022
parallax_over_error = 50.05801
pm = 6.1513147
pmra = -5.548624790916718
pmra_error = 0.019694611
pmdec = -2.6554537649462397
pmdec_error = 0.01628482
ra_dec_corr = -0.10916618
ra_parallax_corr = -0.013947953
ra_pmra_corr = -0.06462357
ra_pmdec_corr = 0.14711568
dec_parallax_corr = -0.19677256
dec_pmra_corr = 0.18630268
dec_pmdec_corr = -0.28017196
parallax_pmra_corr = -0.03840664
parallax_pmdec_corr = 0.12532173
pmra_pmdec_corr = -0.2363024
astrometric_n_obs_al = 237
astrometric_n_obs_ac = 0
astrometric_n_good_obs_al = 236
astrometric_n_bad_obs_al = 1
astrometric_gof_al = -0.42090556
astrometric_chi2_al = 222.74605
astrometric_excess_noise = 0.0
astrometric_excess_noise_sig = 0.0
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.5610869
astrometric_matched_transits = 27
visibility_periods_used = 16
astrometric_sigma5d_max = 0.02876524
matched_transits = 28
new_matched_transits = 9
matched_transits_removed = 0
ipd_gof_harmonic_amplitude = 0.098028675
ipd_gof_harmonic_phase = 2.6208112
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 0.97904855
scan_direction_strength_k1 = 0.18585138
scan_direction_strength_k2 = 0.16805856
scan_direction_strength_k3 = 0.3323385
scan_direction_strength_k4 = 0.88898134
scan_direction_mean_k1 = -70.8913
scan_direction_mean_k2 = 11.953992
scan_direction_mean_k3 = -23.093813
scan_direction_mean_k4 = -39.920155
duplicated_source = false
phot_g_n_obs = 234
phot_g_mean_flux = 57648.17122099031
phot_g_mean_flux_error = 12.83075
phot_g_mean_flux_over_error = 4492.9697
phot_g_mean_mag = 13.785403
phot_bp_n_obs = 19
phot_bp_mean_flux = 31441.72377378922
phot_bp_mean_flux_error = 74.928085
phot_bp_mean_flux_over_error = 419.62534
phot_bp_mean_mag = 14.094776
phot_rp_n_obs = 22
phot_rp_mean_flux = 38298.8901307054
phot_rp_mean_flux_error = 110.41987
phot_rp_mean_flux_over_error = 346.8478
phot_rp_mean_mag = 13.28993
phot_bp_rp_excess_factor = 1.2097628
phot_bp_n_contaminated_transits = 5
phot_bp_n_blended_transits = 0
phot_rp_n_contaminated_transits = 8
phot_rp_n_blended_transits = 0
phot_proc_mode = 0
bp_rp = 0.8048458
bp_g = 0.3093729
g_rp = 0.4954729
radial_velocity = 85.340515
radial_velocity_error = 10.664687
rv_method_used = 2
rv_nb_transits = 9
rv_nb_deblended_transits = 5
rv_visibility_periods_used = 6
rv_expected_sig_to_noise = 6.1438603
rv_time_duration = 749.65155
rv_template_teff = 5750.0
rv_template_logg = 4.0
rv_template_fe_h = -0.75
rv_atm_param_origin = 111
grvs_mag = 13.142319
grvs_mag_error = 0.09908349
grvs_mag_nb_transits = 4
phot_variable_flag = NOT_AVAILABLE
l = 186.46988453664673
b = 10.43205463309706
ecl_lon = 99.14110322731206
ecl_lat = 5.091056476299256
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 = 1.0294075e-13
classprob_dsc_combmod_galaxy = 5.1418386e-13
classprob_dsc_combmod_star = 0.9999091
teff_gspphot = 6005.7114
teff_gspphot_lower = 6001.344
teff_gspphot_upper = 6014.7026
logg_gspphot = 4.0409
logg_gspphot_lower = 4.0318
logg_gspphot_upper = 4.0504
mh_gspphot = -0.8973
mh_gspphot_lower = -0.911
mh_gspphot_upper = -0.8824
distance_gspphot = 1161.278
distance_gspphot_lower = 1142.494
distance_gspphot_upper = 1179.5396
azero_gspphot = 0.2343
azero_gspphot_lower = 0.231
azero_gspphot_upper = 0.2402
ag_gspphot = 0.1993
ag_gspphot_lower = 0.1964
ag_gspphot_upper = 0.2043
ebpminrp_gspphot = 0.1085
ebpminrp_gspphot_lower = 0.107
ebpminrp_gspphot_upper = 0.1113
libname_gspphot = A
- gaiadr3.astrophysical_parameters
solution_id = 1636148068921376768
source_id = 3386444243880652928
classprob_dsc_combmod_quasar = 1.024362e-13
classprob_dsc_combmod_galaxy = 5.116637e-13
classprob_dsc_combmod_star = 0.9999592
classprob_dsc_combmod_whitedwarf = 3.1432676e-09
classprob_dsc_combmod_binarystar = 4.0816867e-05
classprob_dsc_specmod_quasar = 0.0
classprob_dsc_specmod_galaxy = 0.0
classprob_dsc_specmod_star = 0.9959191
classprob_dsc_specmod_whitedwarf = 1.5622727e-05
classprob_dsc_specmod_binarystar = 0.004065301
classprob_dsc_allosmod_quasar = 0.0
classprob_dsc_allosmod_galaxy = 0.0
classprob_dsc_allosmod_star = 1.0
teff_gspphot = 4933.984
teff_gspphot_lower = 4928.4507
teff_gspphot_upper = 4937.5337
logg_gspphot = 1.7563
logg_gspphot_lower = 1.7538
logg_gspphot_upper = 1.7613
mh_gspphot = -0.0839
mh_gspphot_lower = -0.0872
mh_gspphot_upper = -0.0806
distance_gspphot = 603.5292
distance_gspphot_lower = 599.9608
distance_gspphot_upper = 605.1147
azero_gspphot = 0.2082
azero_gspphot_lower = 0.202
azero_gspphot_upper = 0.2119
ag_gspphot = 0.1641
ag_gspphot_lower = 0.1591
ag_gspphot_upper = 0.167
abp_gspphot = 0.2094
abp_gspphot_lower = 0.2031
abp_gspphot_upper = 0.2132
arp_gspphot = 0.1236
arp_gspphot_lower = 0.1199
arp_gspphot_upper = 0.1258
ebpminrp_gspphot = 0.0858
ebpminrp_gspphot_lower = 0.0832
ebpminrp_gspphot_upper = 0.0874
mg_gspphot = -2.8784
mg_gspphot_lower = -2.8855
mg_gspphot_upper = -2.8672
radius_gspphot = 46.846
radius_gspphot_lower = 46.5868
radius_gspphot_upper = 46.9806
logposterior_gspphot = -2936.5747
mcmcaccept_gspphot = 0.28423196
libname_gspphot = MARCS
teff_gspspec = 4751.0
teff_gspspec_lower = 4747.0
teff_gspspec_upper = 4753.0
logg_gspspec = 1.0
logg_gspspec_lower = 0.99
logg_gspspec_upper = 1.0
mh_gspspec = -0.21
mh_gspspec_lower = -0.22
mh_gspspec_upper = -0.18
alphafe_gspspec = -0.07
alphafe_gspspec_lower = -0.08
alphafe_gspspec_upper = -0.07
fem_gspspec = -0.03
fem_gspspec_lower = -0.07
fem_gspspec_upper = -0.0
fem_gspspec_nlines = 8
fem_gspspec_linescatter = 0.18
sife_gspspec = 0.03
sife_gspspec_lower = -0.06
sife_gspspec_upper = 0.1
sife_gspspec_nlines = 3
sife_gspspec_linescatter = 0.08
cafe_gspspec = -0.07
cafe_gspspec_lower = -0.09
cafe_gspspec_upper = -0.05
cafe_gspspec_nlines = 7
cafe_gspspec_linescatter = 0.05
tife_gspspec = -0.33
tife_gspspec_lower = -0.36
tife_gspspec_upper = -0.27
tife_gspspec_nlines = 2
tife_gspspec_linescatter = 0.03
mgfe_gspspec = -0.02
mgfe_gspspec_lower = -0.07
mgfe_gspspec_upper = 0.03
mgfe_gspspec_nlines = 1
mgfe_gspspec_linescatter = 0.0
nfe_gspspec = -0.06
nfe_gspspec_lower = -0.08
nfe_gspspec_upper = -0.03
nfe_gspspec_nlines = 1
nfe_gspspec_linescatter = 0.0
cefe_gspspec = -0.03
cefe_gspspec_lower = -0.18
cefe_gspspec_upper = 0.11
cefe_gspspec_nlines = 1
cefe_gspspec_linescatter = 0.0
nife_gspspec = -0.17
nife_gspspec_lower = -0.2
nife_gspspec_upper = -0.13
nife_gspspec_nlines = 1
nife_gspspec_linescatter = 0.0
cn0ew_gspspec = 0.0
cn0ew_gspspec_uncertainty = 0.01
cn0_gspspec_centralline = 862.86
cn0_gspspec_width = 0.24
dib_gspspec_lambda = 862.4492
dib_gspspec_lambda_uncertainty = 0.007281256
dibew_gspspec = 0.039
dibew_gspspec_uncertainty = 0.022
dibewnoise_gspspec_uncertainty = 0.0005
dibp0_gspspec = -0.014
dibp2_gspspec = 1.1094
dibp2_gspspec_uncertainty = 0.0574
dibqf_gspspec = 2
flags_gspspec = 00000001000001010009900009900990099009902
logchisq_gspspec = -4.137795
ew_espels_halpha = 0.00807895
ew_espels_halpha_uncertainty = 0.045957007
ew_espels_halpha_flag = 1
ew_espels_halpha_model = 0.048027
flags_esphs = 93
spectraltype_esphs = K
radius_flame = 50.39748
radius_flame_lower = 49.17062
radius_flame_upper = 51.60912
lum_flame = 1355.5946
lum_flame_lower = 1317.967
lum_flame_upper = 1391.7667
mass_flame = 6.1940007
mass_flame_lower = 5.1773486
mass_flame_upper = 6.2340984
flags_flame = 00
evolstage_flame = 488
gravredshift_flame = 0.062089805
gravredshift_flame_lower = 0.061915807
gravredshift_flame_upper = 0.06241698
bc_flame = -0.024275629
mh_msc = 0.10426484
mh_msc_upper = 0.18167615
mh_msc_lower = 0.061295107
azero_msc = 0.18250352
azero_msc_upper = 0.48891535
azero_msc_lower = 0.0
distance_msc = 220.87946
distance_msc_upper = 241.29968
distance_msc_lower = 207.92352
teff_msc1 = 5120.383
teff_msc1_upper = 5360.5244
teff_msc1_lower = 4947.966
teff_msc2 = 5015.552
teff_msc2_upper = 5235.464
teff_msc2_lower = 4651.289
logg_msc1 = 2.540175
logg_msc1_upper = 2.5914922
logg_msc1_lower = 2.4944987
logg_msc2 = 2.6028156
logg_msc2_upper = 2.6707673
logg_msc2_lower = 2.4930358
ag_msc = 0.1441293
ag_msc_upper = 0.3846497
ag_msc_lower = 0.0
logposterior_msc = -8458.657
mcmcaccept_msc = 0.2451074
mcmcdrift_msc = 0.98206836
flags_msc = 1
    - gaiadr3.astrophysical_parameters
solution_id = 1636148068921376768
source_id = 3386444346959864320
classprob_dsc_combmod_quasar = 1.0294075e-13
classprob_dsc_combmod_galaxy = 5.1418386e-13
classprob_dsc_combmod_star = 0.9999091
classprob_dsc_combmod_whitedwarf = 1.9366506e-10
classprob_dsc_combmod_binarystar = 9.091831e-05
classprob_dsc_specmod_quasar = 0.0
classprob_dsc_specmod_galaxy = 0.0
classprob_dsc_specmod_star = 0.99098814
classprob_dsc_specmod_whitedwarf = 9.484531e-07
classprob_dsc_specmod_binarystar = 0.00901096
classprob_dsc_allosmod_quasar = 0.0
classprob_dsc_allosmod_galaxy = 0.0
classprob_dsc_allosmod_star = 1.0
teff_gspphot = 6005.7114
teff_gspphot_lower = 6001.344
teff_gspphot_upper = 6014.7026
logg_gspphot = 4.0409
logg_gspphot_lower = 4.0318
logg_gspphot_upper = 4.0504
mh_gspphot = -0.8973
mh_gspphot_lower = -0.911
mh_gspphot_upper = -0.8824
distance_gspphot = 1161.278
distance_gspphot_lower = 1142.494
distance_gspphot_upper = 1179.5396
azero_gspphot = 0.2343
azero_gspphot_lower = 0.231
azero_gspphot_upper = 0.2402
ag_gspphot = 0.1993
ag_gspphot_lower = 0.1964
ag_gspphot_upper = 0.2043
abp_gspphot = 0.2492
abp_gspphot_lower = 0.2457
abp_gspphot_upper = 0.2555
arp_gspphot = 0.1407
arp_gspphot_lower = 0.1387
arp_gspphot_upper = 0.1443
ebpminrp_gspphot = 0.1085
ebpminrp_gspphot_lower = 0.107
ebpminrp_gspphot_upper = 0.1113
mg_gspphot = 3.2589
mg_gspphot_lower = 3.2242
mg_gspphot_upper = 3.2932
radius_gspphot = 1.7927
radius_gspphot_lower = 1.7638
radius_gspphot_upper = 1.8209
logposterior_gspphot = -688.7271
mcmcaccept_gspphot = 0.51037616
libname_gspphot = A
ew_espels_halpha = 0.14262137
ew_espels_halpha_uncertainty = 0.033383716
ew_espels_halpha_flag = 0
ew_espels_halpha_model = 0.149971
flags_esphs = 94
spectraltype_esphs = G
activityindex_espcs_input = M2
radius_flame = 1.9217868
radius_flame_lower = 1.8719126
radius_flame_upper = 1.9794807
lum_flame = 4.321774
lum_flame_lower = 4.178827
lum_flame_upper = 4.515293
mass_flame = 1.2222754
mass_flame_lower = 1.1810995
mass_flame_upper = 1.2643323
age_flame = 4.9054713
age_flame_lower = 4.3335013
age_flame_upper = 5.466652
flags_flame = 00
evolstage_flame = 411
gravredshift_flame = 0.45868462
gravredshift_flame_lower = 0.45596096
gravredshift_flame_upper = 0.4616753
bc_flame = 0.03232318
mh_msc = -0.8618323
mh_msc_upper = 0.5
mh_msc_lower = -1.0
azero_msc = 0.21473432
azero_msc_upper = 0.65082574
azero_msc_lower = 0.0
distance_msc = 1066.2109
distance_msc_upper = 1593.971
distance_msc_lower = 703.94775
teff_msc1 = 5336.8506
teff_msc1_upper = 7107.6465
teff_msc1_lower = 5057.915
teff_msc2 = 5879.1064
teff_msc2_upper = 6189.258
teff_msc2_lower = 3666.8848
logg_msc1 = 4.218609
logg_msc1_upper = 4.6692963
logg_msc1_lower = 3.993537
logg_msc2 = 4.570467
logg_msc2_upper = 4.9282618
logg_msc2_lower = 4.1493006
ag_msc = 0.17685087
ag_msc_upper = 0.5312097
ag_msc_lower = 0.0
logposterior_msc = 454.15076
mcmcaccept_msc = 0.17661098
mcmcdrift_msc = 0.11670265
flags_msc = 0




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.


Report Information
Double Star Calculator: Version 1.0 ($Rev: 2309 $)
Report created: 2026-05-10 17:20:37 +0200



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