Double Star Calculator - Results


Discoverer & Number:    STF 1570
Gaia Source ID - Star A          : 773955825454382080     Simbad
Gaia Source ID - Star B          : 773955825454381440     Simbad
Observation Epoch : J2025.255 / 2025-04-04 Angular Separation : 10.933 ± 0.0004 arcsec Position Angle : 48.93 ± 0.0014 degree
Star A/B Epoch : J2016.000 / J2016.000 Angular Separation : 10.923 < 0.0001 arcsec Position Angle : 48.94 ± 0.0001 degree Projected Separation : 1883.47 au Spatial Separation : 3.53 ± 1.58 pc Spatial Separation : 11.52 ± 5.15 ly Parallax Significance (RI) : 2.21 σ ΔProper Motion Angle : 3.94 ± 0.17 degree ΔTotal Proper Motion : 0.17 ± 0.04 mas/yr ΔTangential Velocity : 0.41 ± 0.13 km/s ΔRadial Velocity : 3.50 ± 7.26 km/s ΔSpeed (scalar) : 2.67 ± 5.82 km/s ΔRelative Velocity (3D) : 3.64 ± 6.97 km/s

Aladin Lite Sky Atlas



Star A
Gaia Source ID                   : 773955825454382080           VizieR
Epoch : J2016.000 Right Ascension (RA) : 11h 45m 32.13s Declination (Dec) : 45° 36' 13.21" Distance : 174.20 ± 0.63 pc Distance : 568.16 ± 2.04 ly Magnitude (G-band) : 8.73 mag Absolute Magnitude : 2.52 ± 0.01 mag Stellar Extinction : 0.01 ± <0.01 mag Spectral Type (BP/RP) : F Bolometric correction : -0.05 mag Luminosity : 8.13 + 0.06 / − 0.06 L☉ Log(Luminosity) : 0.90995 Effective temperature (Teff) : 6797.14 + 6.22 / - 6.22 K Log(Teff) : 3.83233 Mass estimation : 1.69 M☉ RUWE : 1.14 Position Angle of Proper Motion : 298.77 ± 0.07 degree Total Proper Motion : 16.63 ± 0.02 mas/yr Tangential Velocity : 13.73 ± 0.05 km/s Radial Velocity (Gaia) : -18.39 ± 7.26 km/s Space Velocity : 22.95 ± 5.82 km/s

Star A - Selected astrophysical parameters
DSC-Combmod binary star          :       1.00
DSC-Specmod binary star          :       1.00
Radius from GSP-Phot Aeneas      :       1.99  ±   0.01          R☉
Spectral type from ESP-ELS       :          F
Radius of the star from FLAME    :       1.95  ±   0.04          R☉
Bolometric correction            :       0.05                    mag
Luminosity of the star (FLAME)   :       7.34  ±   0.05          L☉
Mass of the star from FLAME      :       1.52  ±   0.04          M☉
FLAME quality indicators         :         00
  Quality                        :       OK
  Source                         :       Parallax used
Evolutionary stage from FLAME    :        244      Main Sequence (early)

Star A - Double Star Quality Metrics
Parallax over error :    278.278 : very good
RUWE                :      1.140 : good astrometric fit (single star)
Non Single Star     :            : Spectroscopic Binary
Duplicated source   :      false : single source
G magnitude         :      8.734 : G > 3 mag, photometry reliable
Excess noise        :      0.139 : Good fit
  Significance      :     27.671 :   Minor noise, likely negligible
BP-RP excess factor :      1.183 : photometry consistent
Visibility periods  :         21 : high, indicates well observed star
IPD multi-peak frac :         0% : single peak detected
IDP GoF harmonic amp:      0.041 : unobtrusive (single star source)


Star B
Gaia Source ID                   : 773955825454381440           VizieR
Epoch : J2016.000 Right Ascension (RA) : 11h 45m 32.91s Declination (Dec) : 45° 36' 20.39" Distance : 170.67 ± 1.45 pc Distance : 556.64 ± 4.72 ly Magnitude (G-band) : 9.51 mag Absolute Magnitude : 3.34 ± 0.02 mag Stellar Extinction : 0.00 ± <0.01 mag Spectral Type (BP/RP) : F Bolometric correction : -0.05 mag Luminosity : 3.79 + 0.07 / − 0.06 L☉ Log(Luminosity) : 0.57834 Effective temperature (Teff) : 6166.22 + 5.37 / - 2.86 K Log(Teff) : 3.79002 Mass estimation : 1.43 M☉ RUWE : 3.21 Position Angle of Proper Motion : 302.71 ± 0.15 degree Total Proper Motion : 16.46 ± 0.04 mas/yr Tangential Velocity : 13.32 ± 0.12 km/s Radial Velocity (Gaia) : -21.88 ± 0.19 km/s Space Velocity : 25.62 ± 0.17 km/s

Star B - Selected astrophysical parameters
DSC-Combmod binary star          :       0.00
DSC-Specmod binary star          :       0.26
Radius from GSP-Phot Aeneas      :       1.54  ±   0.05          R☉
Spectral type from ESP-ELS       :          F
Radius of the star from FLAME    :       1.60  ±   0.03          R☉
Bolometric correction            :       0.07                    mag
Luminosity of the star (FLAME)   :       3.36  ±   0.05          L☉
Mass of the star from FLAME      :       1.25  ±   0.04          M☉
FLAME quality indicators         :         00
  Quality                        :       OK
  Source                         :       Parallax used
Evolutionary stage from FLAME    :        307      Main Sequence (mid)

Star B - Double Star Quality Metrics
Parallax over error :    117.817 : very good
RUWE                :      3.210 : poor astrometric fit, (possible double)
Non Single Star     :            : Single Star
Duplicated source   :      false : single source
G magnitude         :      9.506 : G > 3 mag, photometry reliable
Excess noise        :      0.364 : Good fit
  Significance      :    193.785 :   Minor noise, likely negligible
BP-RP excess factor :      1.194 : photometry consistent
Visibility periods  :         20 : high, indicates well observed star
IPD multi-peak frac :         0% : single peak detected
IDP GoF harmonic amp:      0.043 : 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)          :        0.07     (CPM)

Co-Moving

UWLE for Co-Moving Pairs (3D)      :
===================================
COMOV: Velocity Evidence Indicator :        0.49     (Moderate)
COMOV: Distance Evidence Indicator :        0.02     (Unlikely)
Co-Moving Total Evidence Indicator :        0.08     (Unlikely)

rPM/COMOV Agreement                :                 (Discrepant)

Binarity

Separation, Sigma and Reliability  :
===================================
Projected Separation               :     1883.47     au
Spatial Separation                 :        3.53     pc
  1-Sigma Range                    : [      1.95,       5.11] pc
  Significance (RI)                :        2.21     σ
  Note: 3D distance not significantly resolved


Proper Motion and Velocity         :
===================================
rPM (Proper Motion Ratio)          :        0.07     (CPM)
ΔRelative Velocity (3D)            :        3.64  ±  6.97   km/s


UWLE for Wide Binaries (3D)        :
===================================
WBS: Velocity Evidence Indicator   :        0.01     (Unlikely)
WBS: Distance Evidence Indicator   :        0.00     (Unlikely)
Binarity Total Evidence Indicator  :        0.00     (Unlikely)


UWLE for Wide Binaries (2D)        :
===================================
WBS: Velocity Evidence Indicator   :        0.16     (Weak)
WBS: Distance Evidence Indicator   :        0.06     (Unlikely)
Binarity Total Evidence Indicator  :        0.10     (Weak)
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]         :     -0.5755  ± 0.0046 dex
  Metallicity reliability factor A :        1.00
Metallicity Star B - [M/H]         :     -0.3363  ± 0.0076 dex
  Metallicity reliability factor B :        1.00
Metallicity Difference             :      0.2392           dex
Combined uncertainty               :      0.2102           dex
Sigma-Distance (Z-Score)           :      1.14 σ
  Compatibility                    :  Consistent (good agreement)

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) :  1.14 : Zero
RUWE probability for a binary system (Star B) :  3.21 : 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     10.792    0.004      49.062    0.018
1901.0     10.793    0.004      49.061    0.018
1902.0     10.794    0.004      49.060    0.017
1903.0     10.795    0.004      49.059    0.017
1904.0     10.796    0.004      49.058    0.017
1905.0     10.797    0.004      49.057    0.017
1906.0     10.798    0.004      49.056    0.017
1907.0     10.799    0.004      49.054    0.017
1908.0     10.801    0.004      49.053    0.016
1909.0     10.802    0.004      49.052    0.016
1910.0     10.803    0.004      49.051    0.016
1911.0     10.804    0.004      49.050    0.016
1912.0     10.805    0.004      49.049    0.016
1913.0     10.806    0.004      49.048    0.016
1914.0     10.807    0.004      49.047    0.016
1915.0     10.809    0.004      49.046    0.015
1916.0     10.810    0.004      49.045    0.015
1917.0     10.811    0.004      49.044    0.015
1918.0     10.812    0.004      49.043    0.015
1919.0     10.813    0.004      49.042    0.015
1920.0     10.814    0.004      49.041    0.015
1921.0     10.815    0.004      49.040    0.014
1922.0     10.816    0.004      49.039    0.014
1923.0     10.818    0.004      49.038    0.014
1924.0     10.819    0.004      49.037    0.014
1925.0     10.820    0.004      49.035    0.014
1926.0     10.821    0.003      49.034    0.014
1927.0     10.822    0.003      49.033    0.014
1928.0     10.823    0.003      49.032    0.013
1929.0     10.824    0.003      49.031    0.013
1930.0     10.826    0.003      49.030    0.013
1931.0     10.827    0.003      49.029    0.013
1932.0     10.828    0.003      49.028    0.013
1933.0     10.829    0.003      49.027    0.013
1934.0     10.830    0.003      49.026    0.012
1935.0     10.831    0.003      49.025    0.012
1936.0     10.832    0.003      49.024    0.012
1937.0     10.833    0.003      49.023    0.012
1938.0     10.835    0.003      49.022    0.012
1939.0     10.836    0.003      49.021    0.012
1940.0     10.837    0.003      49.020    0.012
1941.0     10.838    0.003      49.019    0.011
1942.0     10.839    0.003      49.018    0.011
1943.0     10.840    0.003      49.017    0.011
1944.0     10.841    0.003      49.015    0.011
1945.0     10.842    0.003      49.014    0.011
1946.0     10.844    0.003      49.013    0.011
1947.0     10.845    0.003      49.012    0.010
1948.0     10.846    0.003      49.011    0.010
1949.0     10.847    0.003      49.010    0.010
1950.0     10.848    0.003      49.009    0.010
1951.0     10.849    0.003      49.008    0.010
1952.0     10.850    0.002      49.007    0.010
1953.0     10.852    0.002      49.006    0.010
1954.0     10.853    0.002      49.005    0.009
1955.0     10.854    0.002      49.004    0.009
1956.0     10.855    0.002      49.003    0.009
1957.0     10.856    0.002      49.002    0.009
1958.0     10.857    0.002      49.001    0.009
1959.0     10.858    0.002      49.000    0.009
1960.0     10.859    0.002      48.999    0.008
1961.0     10.861    0.002      48.998    0.008
1962.0     10.862    0.002      48.997    0.008
1963.0     10.863    0.002      48.996    0.008
1964.0     10.864    0.002      48.994    0.008
1965.0     10.865    0.002      48.993    0.008
1966.0     10.866    0.002      48.992    0.008
1967.0     10.867    0.002      48.991    0.007
1968.0     10.869    0.002      48.990    0.007
1969.0     10.870    0.002      48.989    0.007
1970.0     10.871    0.002      48.988    0.007
1971.0     10.872    0.002      48.987    0.007
1972.0     10.873    0.002      48.986    0.007
1973.0     10.874    0.002      48.985    0.007
1974.0     10.875    0.002      48.984    0.006
1975.0     10.876    0.002      48.983    0.006
1976.0     10.878    0.002      48.982    0.006
1977.0     10.879    0.002      48.981    0.006
1978.0     10.880    0.001      48.980    0.006
1979.0     10.881    0.001      48.979    0.006
1980.0     10.882    0.001      48.978    0.005
1981.0     10.883    0.001      48.977    0.005
1982.0     10.884    0.001      48.976    0.005
1983.0     10.886    0.001      48.975    0.005
1984.0     10.887    0.001      48.974    0.005
1985.0     10.888    0.001      48.973    0.005
1986.0     10.889    0.001      48.972    0.005
1987.0     10.890    0.001      48.970    0.004
1988.0     10.891    0.001      48.969    0.004
1989.0     10.892    0.001      48.968    0.004
1990.0     10.893    0.001      48.967    0.004
1991.0     10.895    0.001      48.966    0.004
1992.0     10.896    0.001      48.965    0.004
1993.0     10.897    0.001      48.964    0.003
1994.0     10.898    0.001      48.963    0.003
1995.0     10.899    0.001      48.962    0.003
1996.0     10.900    0.001      48.961    0.003
1997.0     10.901    0.001      48.960    0.003
1998.0     10.902    0.001      48.959    0.003
1999.0     10.904    0.001      48.958    0.003
2000.0     10.905    0.001      48.957    0.002
2001.0     10.906    0.001      48.956    0.002
2002.0     10.907    0.001      48.955    0.002
2003.0     10.908    0.001      48.954    0.002
2004.0     10.909    0.000      48.953    0.002
2005.0     10.910    0.000      48.952    0.002
2006.0     10.912    0.000      48.951    0.002
2007.0     10.913    0.000      48.950    0.001
2008.0     10.914    0.000      48.949    0.001
2009.0     10.915    0.000      48.948    0.001
2010.0     10.916    0.000      48.947    0.001
2011.0     10.917    0.000      48.946    0.001
2012.0     10.918    0.000      48.945    0.001
2013.0     10.919    0.000      48.943    0.000
2014.0     10.921    0.000      48.942    0.000
2015.0     10.922    0.000      48.941    0.000
2016.0     10.923    0.000      48.940    0.000
2017.0     10.924    0.000      48.939    0.000
2018.0     10.925    0.000      48.938    0.000
2019.0     10.926    0.000      48.937    0.000
2020.0     10.927    0.000      48.936    0.001
2021.0     10.929    0.000      48.935    0.001
2022.0     10.930    0.000      48.934    0.001
2023.0     10.931    0.000      48.933    0.001
2024.0     10.932    0.000      48.932    0.001
2025.0     10.933    0.000      48.931    0.001
2026.0     10.934    0.000      48.930    0.002
2027.0     10.935    0.000      48.929    0.002
2028.0     10.936    0.000      48.928    0.002
2029.0     10.938    0.001      48.927    0.002
2030.0     10.939    0.001      48.926    0.002
2031.0     10.940    0.001      48.925    0.002
2032.0     10.941    0.001      48.924    0.002
2033.0     10.942    0.001      48.923    0.003
2034.0     10.943    0.001      48.922    0.003
2035.0     10.944    0.001      48.921    0.003
2036.0     10.946    0.001      48.920    0.003
2037.0     10.947    0.001      48.919    0.003
2038.0     10.948    0.001      48.918    0.003
2039.0     10.949    0.001      48.917    0.003
2040.0     10.950    0.001      48.916    0.004
2041.0     10.951    0.001      48.915    0.004
2042.0     10.952    0.001      48.914    0.004
2043.0     10.953    0.001      48.913    0.004
2044.0     10.955    0.001      48.911    0.004
2045.0     10.956    0.001      48.910    0.004
2046.0     10.957    0.001      48.909    0.005
2047.0     10.958    0.001      48.908    0.005
2048.0     10.959    0.001      48.907    0.005
2049.0     10.960    0.001      48.906    0.005
2050.0     10.961    0.001      48.905    0.005
2051.0     10.962    0.001      48.904    0.005
2052.0     10.964    0.001      48.903    0.005
2053.0     10.965    0.001      48.902    0.006
2054.0     10.966    0.001      48.901    0.006
2055.0     10.967    0.002      48.900    0.006
2056.0     10.968    0.002      48.899    0.006
2057.0     10.969    0.002      48.898    0.006
2058.0     10.970    0.002      48.897    0.006
2059.0     10.972    0.002      48.896    0.006
2060.0     10.973    0.002      48.895    0.007
2061.0     10.974    0.002      48.894    0.007
2062.0     10.975    0.002      48.893    0.007
2063.0     10.976    0.002      48.892    0.007
2064.0     10.977    0.002      48.891    0.007
2065.0     10.978    0.002      48.890    0.007
2066.0     10.979    0.002      48.889    0.007
2067.0     10.981    0.002      48.888    0.008
2068.0     10.982    0.002      48.887    0.008
2069.0     10.983    0.002      48.886    0.008
2070.0     10.984    0.002      48.885    0.008
2071.0     10.985    0.002      48.884    0.008
2072.0     10.986    0.002      48.883    0.008
2073.0     10.987    0.002      48.882    0.009
2074.0     10.989    0.002      48.881    0.009
2075.0     10.990    0.002      48.880    0.009
2076.0     10.991    0.002      48.879    0.009
2077.0     10.992    0.002      48.878    0.009
2078.0     10.993    0.002      48.877    0.009
2079.0     10.994    0.002      48.876    0.009
2080.0     10.995    0.002      48.875    0.010
2081.0     10.996    0.003      48.874    0.010
2082.0     10.998    0.003      48.873    0.010
2083.0     10.999    0.003      48.872    0.010
2084.0     11.000    0.003      48.871    0.010
2085.0     11.001    0.003      48.869    0.010
2086.0     11.002    0.003      48.868    0.010
2087.0     11.003    0.003      48.867    0.011
2088.0     11.004    0.003      48.866    0.011
2089.0     11.006    0.003      48.865    0.011
2090.0     11.007    0.003      48.864    0.011
2091.0     11.008    0.003      48.863    0.011
2092.0     11.009    0.003      48.862    0.011
2093.0     11.010    0.003      48.861    0.012
2094.0     11.011    0.003      48.860    0.012
2095.0     11.012    0.003      48.859    0.012
2096.0     11.013    0.003      48.858    0.012
2097.0     11.015    0.003      48.857    0.012
2098.0     11.016    0.003      48.856    0.012
2099.0     11.017    0.003      48.855    0.012
2100.0     11.018    0.003      48.854    0.013


Measurements for STF 1570
 
WDS ID      Discovr     Comp  #    Sep      PA       Epoch      Obs  Telescope     Camera    Note
--------------------------------------------------------------------------------------------------
11455+4536  STF 1570          1    10.95"   49.1°    B2025.260  HWI  120/900 APO   ASI678MM

-- Image of STF-1570-taken with Equinox 120/900 APO --


WDS record for STF 1570
wds_id                       : 11455+4536
discoverer_code              : STF
discoverer_number            : 1570
discoverer_components        : 
date_first                   : 1830
date_last                    : 2021
num_of_obs                   : 37
pa_first                     : 48
pa_last                      : 49
sep_first                    : 10.0
sep_last                     : 10.9
mag_primary                  : 8.86
mag_secondary                : 9.6
spectral_type                : F0
primary_proper_motion_RA     : -15
primary_proper_motion_DEC    : 8
secondary_proper_motion_RA   : -13
secondary_proper_motion_DEC  : 8
dm_number                    : +46 1744
notes                        : T
precise_coordinate           : 114532.15+453613.1
                             : 11:45:32.15 +45:36:13.1

WDS Notes:
----------
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 773955825454382080
source_id = 773955825454382080
random_index = 985657139.0
ref_epoch = 2016.0
ra = 176.38386702644766
ra_error = 0.011839994
dec = 45.60366973842022
dec_error = 0.016177412
parallax = 5.74055822077889
parallax_error = 0.020628871
parallax_over_error = 278.27786
pm = 16.62535
pmra = -14.57317209577629
pmra_error = 0.015468308
pmdec = 8.001557648059368
pmdec_error = 0.020340698
ra_dec_corr = -0.08979148
ra_parallax_corr = 0.014006514
ra_pmra_corr = 0.5454343
ra_pmdec_corr = -0.1783273
dec_parallax_corr = -0.21855259
dec_pmra_corr = -0.22148454
dec_pmdec_corr = 0.11941479
parallax_pmra_corr = 0.103184454
parallax_pmdec_corr = -0.2560416
pmra_pmdec_corr = -0.07645469
astrometric_n_obs_al = 487
astrometric_n_obs_ac = 487
astrometric_n_good_obs_al = 481
astrometric_n_bad_obs_al = 6
astrometric_gof_al = 4.3902082
astrometric_chi2_al = 1569.2012
astrometric_excess_noise = 0.13888124
astrometric_excess_noise_sig = 27.67089
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.6256628
astrometric_matched_transits = 55
visibility_periods_used = 21
astrometric_sigma5d_max = 0.028911054
matched_transits = 60
new_matched_transits = 12
matched_transits_removed = 1
ipd_gof_harmonic_amplitude = 0.041365147
ipd_gof_harmonic_phase = 163.70053
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 1.1448776
duplicated_source = false
phot_g_n_obs = 508
phot_g_mean_flux = 6046221.134719539
phot_g_mean_flux_error = 1041.1643
phot_g_mean_flux_over_error = 5807.173
phot_g_mean_mag = 8.733657
phot_bp_n_obs = 57
phot_bp_mean_flux = 3686745.767234229
phot_bp_mean_flux_error = 1069.9332
phot_bp_mean_flux_over_error = 3445.7717
phot_bp_mean_mag = 8.921934
phot_rp_n_obs = 57
phot_rp_mean_flux = 3466433.9558119406
phot_rp_mean_flux_error = 969.2185
phot_rp_mean_flux_over_error = 3576.5247
phot_rp_mean_mag = 8.398189
phot_bp_rp_excess_factor = 1.1830827
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 = 0.52374554
bp_g = 0.18827724
g_rp = 0.3354683
radial_velocity = -18.387894
radial_velocity_error = 7.258458
rv_method_used = 1
rv_nb_transits = 18
rv_nb_deblended_transits = 8
rv_visibility_periods_used = 13
rv_expected_sig_to_noise = 178.51854
rv_renormalised_gof = 80.2264
rv_chisq_pvalue = 0.0
rv_time_duration = 857.6085
rv_amplitude_robust = 75.50319
rv_template_teff = 6750.0
rv_template_logg = 4.5
rv_template_fe_h = 0.0
rv_atm_param_origin = 222
vbroad = 42.80957
vbroad_error = 2.6882374
vbroad_nb_transits = 9
grvs_mag = 8.254308
grvs_mag_error = 0.008059524
grvs_mag_nb_transits = 9
phot_variable_flag = NOT_AVAILABLE
l = 153.9491110008726
b = 67.35289531932999
ecl_lon = 155.05963226470345
ecl_lat = 39.64320411714774
in_qso_candidates = false
in_galaxy_candidates = false
non_single_star = 2
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 = 1.0202512e-11
classprob_dsc_combmod_galaxy = 5.0961034e-11
classprob_dsc_combmod_star = 1.0000273e-06
teff_gspphot = 6797.1357
teff_gspphot_lower = 6790.918
teff_gspphot_upper = 6803.3516
logg_gspphot = 3.9476
logg_gspphot_lower = 3.944
logg_gspphot_upper = 3.9516
mh_gspphot = -0.5755
mh_gspphot_lower = -0.5791
mh_gspphot_upper = -0.5699
distance_gspphot = 174.769
distance_gspphot_lower = 174.0152
distance_gspphot_upper = 175.5144
azero_gspphot = 0.0151
azero_gspphot_lower = 0.0122
azero_gspphot_upper = 0.0185
ag_gspphot = 0.0133
ag_gspphot_lower = 0.0107
ag_gspphot_upper = 0.0163
ebpminrp_gspphot = 0.0072
ebpminrp_gspphot_lower = 0.0058
ebpminrp_gspphot_upper = 0.0088
libname_gspphot = PHOENIX
    Star B - gaiadr3.gaia_source
solution_id = 1636148068921376768
designation = Gaia DR3 773955825454381440
source_id = 773955825454381440
random_index = 156805201.0
ref_epoch = 2016.0
ra = 176.387137235051
ra_error = 0.025150543
dec = 45.60566264107019
dec_error = 0.0402561
parallax = 5.859349718673957
parallax_error = 0.049732573
parallax_over_error = 117.81715
pm = 16.458315
pmra = -13.848284241576103
pmra_error = 0.033885356
pmdec = 8.893884630379471
pmdec_error = 0.046770796
ra_dec_corr = -0.18526176
ra_parallax_corr = 0.106500626
ra_pmra_corr = 0.5480845
ra_pmdec_corr = -0.22115047
dec_parallax_corr = -0.3342772
dec_pmra_corr = -0.29051617
dec_pmdec_corr = 0.17005143
parallax_pmra_corr = 0.18514419
parallax_pmdec_corr = -0.30334482
pmra_pmdec_corr = -0.14732076
astrometric_n_obs_al = 473
astrometric_n_obs_ac = 473
astrometric_n_good_obs_al = 466
astrometric_n_bad_obs_al = 7
astrometric_gof_al = 53.49208
astrometric_chi2_al = 9977.682
astrometric_excess_noise = 0.3642564
astrometric_excess_noise_sig = 193.78458
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.5850517
astrometric_matched_transits = 54
visibility_periods_used = 20
astrometric_sigma5d_max = 0.068321414
matched_transits = 61
new_matched_transits = 12
matched_transits_removed = 1
ipd_gof_harmonic_amplitude = 0.042644333
ipd_gof_harmonic_phase = 2.5895042
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 3.205371
duplicated_source = false
phot_g_n_obs = 462
phot_g_mean_flux = 2968585.5208329693
phot_g_mean_flux_error = 564.1406
phot_g_mean_flux_over_error = 5262.1377
phot_g_mean_mag = 9.505993
phot_bp_n_obs = 53
phot_bp_mean_flux = 1687899.7464685845
phot_bp_mean_flux_error = 474.89426
phot_bp_mean_flux_over_error = 3554.2644
phot_bp_mean_mag = 9.770176
phot_rp_n_obs = 50
phot_rp_mean_flux = 1855178.5471813271
phot_rp_mean_flux_error = 295.88168
phot_rp_mean_flux_over_error = 6270.0015
phot_rp_mean_mag = 9.076931
phot_bp_rp_excess_factor = 1.1935241
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 = 0.69324493
bp_g = 0.26418304
g_rp = 0.4290619
radial_velocity = -21.884567
radial_velocity_error = 0.18835694
rv_method_used = 1
rv_nb_transits = 21
rv_nb_deblended_transits = 8
rv_visibility_periods_used = 14
rv_expected_sig_to_noise = 144.69612
rv_renormalised_gof = 0.41610366
rv_chisq_pvalue = 0.16002463
rv_time_duration = 925.97705
rv_amplitude_robust = 1.7967873
rv_template_teff = 6000.0
rv_template_logg = 4.0
rv_template_fe_h = -0.25
rv_atm_param_origin = 444
vbroad = 6.431622
vbroad_error = 3.623296
vbroad_nb_transits = 10
grvs_mag = 8.911887
grvs_mag_error = 0.0055274786
grvs_mag_nb_transits = 10
phot_variable_flag = NOT_AVAILABLE
l = 153.94123126887794
b = 67.35288976517663
ecl_lon = 155.0608438135133
ecl_lat = 39.646091263675665
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 = 1.3750302e-13
classprob_dsc_combmod_galaxy = 6.868207e-13
classprob_dsc_combmod_star = 0.99648726
teff_gspphot = 6166.217
teff_gspphot_lower = 6163.3535
teff_gspphot_upper = 6171.588
logg_gspphot = 4.0676
logg_gspphot_lower = 4.0541
logg_gspphot_upper = 4.1072
mh_gspphot = -0.3363
mh_gspphot_lower = -0.3444
mh_gspphot_upper = -0.3291
distance_gspphot = 160.4938
distance_gspphot_lower = 152.4698
distance_gspphot_upper = 163.2245
azero_gspphot = 0.0013
azero_gspphot_lower = 0.0002
azero_gspphot_upper = 0.0048
ag_gspphot = 0.0011
ag_gspphot_lower = 0.0002
ag_gspphot_upper = 0.0041
ebpminrp_gspphot = 0.0006
ebpminrp_gspphot_lower = 0.0001
ebpminrp_gspphot_upper = 0.0022
libname_gspphot = PHOENIX
- gaiadr3.astrophysical_parameters
solution_id = 1636148068921376768
source_id = 773955825454382080
classprob_dsc_combmod_quasar = 1.0202512e-11
classprob_dsc_combmod_galaxy = 5.0961034e-11
classprob_dsc_combmod_star = 1.0000273e-06
classprob_dsc_combmod_whitedwarf = 2.0026275e-10
classprob_dsc_combmod_binarystar = 0.999999
classprob_dsc_specmod_quasar = 0.0
classprob_dsc_specmod_galaxy = 0.0
classprob_dsc_specmod_star = 0.0
classprob_dsc_specmod_whitedwarf = 0.0
classprob_dsc_specmod_binarystar = 1.0
classprob_dsc_allosmod_quasar = 0.0
classprob_dsc_allosmod_galaxy = 0.0
classprob_dsc_allosmod_star = 1.0
teff_gspphot = 6797.1357
teff_gspphot_lower = 6790.918
teff_gspphot_upper = 6803.3516
logg_gspphot = 3.9476
logg_gspphot_lower = 3.944
logg_gspphot_upper = 3.9516
mh_gspphot = -0.5755
mh_gspphot_lower = -0.5791
mh_gspphot_upper = -0.5699
distance_gspphot = 174.769
distance_gspphot_lower = 174.0152
distance_gspphot_upper = 175.5144
azero_gspphot = 0.0151
azero_gspphot_lower = 0.0122
azero_gspphot_upper = 0.0185
ag_gspphot = 0.0133
ag_gspphot_lower = 0.0107
ag_gspphot_upper = 0.0163
abp_gspphot = 0.0164
abp_gspphot_lower = 0.0132
abp_gspphot_upper = 0.02
arp_gspphot = 0.0092
arp_gspphot_lower = 0.0074
arp_gspphot_upper = 0.0112
ebpminrp_gspphot = 0.0072
ebpminrp_gspphot_lower = 0.0058
ebpminrp_gspphot_upper = 0.0088
mg_gspphot = 2.4777
mg_gspphot_lower = 2.4694
mg_gspphot_upper = 2.4861
radius_gspphot = 1.9873
radius_gspphot_lower = 1.9779
radius_gspphot_upper = 1.9966
logposterior_gspphot = -3241.8774
mcmcaccept_gspphot = 0.41573668
libname_gspphot = PHOENIX
ew_espels_halpha = 0.24873729
ew_espels_halpha_uncertainty = 0.0124649145
ew_espels_halpha_flag = 0
ew_espels_halpha_model = 0.281154
flags_esphs = 91
spectraltype_esphs = F
radius_flame = 1.9535396
radius_flame_lower = 1.9138494
radius_flame_upper = 1.9932358
lum_flame = 7.339353
lum_flame_lower = 7.2868686
lum_flame_upper = 7.3920918
mass_flame = 1.5242206
mass_flame_lower = 1.4841309
mass_flame_upper = 1.5643133
age_flame = 1.7168719
age_flame_lower = 1.4343195
age_flame_upper = 1.9994109
flags_flame = 00
evolstage_flame = 244
gravredshift_flame = 0.40493566
gravredshift_flame_lower = 0.40348265
gravredshift_flame_upper = 0.40659738
bc_flame = 0.050779507
mh_msc = 0.25784364
mh_msc_upper = 0.29605618
mh_msc_lower = -1.0
azero_msc = 0.22270659
azero_msc_upper = 0.27356544
azero_msc_lower = 0.0
distance_msc = 186.24823
distance_msc_upper = 190.43417
distance_msc_lower = 153.75418
teff_msc1 = 7204.4297
teff_msc1_upper = 7282.6475
teff_msc1_lower = 6529.923
teff_msc2 = 6060.6753
teff_msc2_upper = 6348.8247
teff_msc2_lower = 3000.0
logg_msc1 = 4.2950053
logg_msc1_upper = 4.3488164
logg_msc1_lower = 4.22944
logg_msc2 = 4.4051943
logg_msc2_upper = 4.450265
logg_msc2_lower = 2.6603088
ag_msc = 0.19554222
ag_msc_upper = 0.2408337
ag_msc_lower = 0.0
logposterior_msc = -69.21277
mcmcaccept_msc = 0.18288782
mcmcdrift_msc = 0.059719265
flags_msc = 0
    - gaiadr3.astrophysical_parameters
solution_id = 1636148068921376768
source_id = 773955825454381440
classprob_dsc_combmod_quasar = 1.3750302e-13
classprob_dsc_combmod_galaxy = 6.868207e-13
classprob_dsc_combmod_star = 0.99648726
classprob_dsc_combmod_whitedwarf = 2.6990153e-12
classprob_dsc_combmod_binarystar = 0.0035127662
classprob_dsc_specmod_quasar = 0.0
classprob_dsc_specmod_galaxy = 0.0
classprob_dsc_specmod_star = 0.73935795
classprob_dsc_specmod_whitedwarf = 0.0
classprob_dsc_specmod_binarystar = 0.26064208
classprob_dsc_allosmod_quasar = 0.0
classprob_dsc_allosmod_galaxy = 0.0
classprob_dsc_allosmod_star = 1.0
teff_gspphot = 6166.217
teff_gspphot_lower = 6163.3535
teff_gspphot_upper = 6171.588
logg_gspphot = 4.0676
logg_gspphot_lower = 4.0541
logg_gspphot_upper = 4.1072
mh_gspphot = -0.3363
mh_gspphot_lower = -0.3444
mh_gspphot_upper = -0.3291
distance_gspphot = 160.4938
distance_gspphot_lower = 152.4698
distance_gspphot_upper = 163.2245
azero_gspphot = 0.0013
azero_gspphot_lower = 0.0002
azero_gspphot_upper = 0.0048
ag_gspphot = 0.0011
ag_gspphot_lower = 0.0002
ag_gspphot_upper = 0.0041
abp_gspphot = 0.0014
abp_gspphot_lower = 0.0002
abp_gspphot_upper = 0.0051
arp_gspphot = 0.0008
arp_gspphot_lower = 0.0001
arp_gspphot_upper = 0.0029
ebpminrp_gspphot = 0.0006
ebpminrp_gspphot_lower = 0.0001
ebpminrp_gspphot_upper = 0.0022
mg_gspphot = 3.4368
mg_gspphot_lower = 3.4014
mg_gspphot_upper = 3.5473
radius_gspphot = 1.54
radius_gspphot_lower = 1.4621
radius_gspphot_upper = 1.567
logposterior_gspphot = -2848.1584
mcmcaccept_gspphot = 0.41388714
libname_gspphot = PHOENIX
teff_gspspec = 6168.0
teff_gspspec_lower = 6138.0
teff_gspspec_upper = 6190.0
logg_gspspec = 4.22
logg_gspspec_lower = 4.18
logg_gspspec_upper = 4.25
mh_gspspec = -0.08
mh_gspspec_lower = -0.09
mh_gspspec_upper = -0.07
alphafe_gspspec = 0.15
alphafe_gspspec_lower = 0.14
alphafe_gspspec_upper = 0.16
fem_gspspec = -0.1
fem_gspspec_lower = -0.21
fem_gspspec_upper = 0.0
fem_gspspec_nlines = 7
fem_gspspec_linescatter = 0.12
sife_gspspec = -0.1
sife_gspspec_lower = -0.19
sife_gspspec_upper = 0.01
sife_gspspec_nlines = 2
sife_gspspec_linescatter = 0.03
cafe_gspspec = 0.11
cafe_gspspec_lower = 0.09
cafe_gspspec_upper = 0.14
cafe_gspspec_nlines = 7
cafe_gspspec_linescatter = 0.02
feiim_gspspec = 0.3
feiim_gspspec_lower = 0.14
feiim_gspspec_upper = 0.48
feiim_gspspec_nlines = 1
feiim_gspspec_linescatter = 0.0
sfe_gspspec = 0.02
sfe_gspspec_lower = -0.09
sfe_gspspec_upper = 0.09
sfe_gspspec_nlines = 1
sfe_gspspec_linescatter = 0.0
dibqf_gspspec = -1
flags_gspspec = 00000000000009999000000999900019999999999
logchisq_gspspec = -4.1988935
ew_espels_halpha = 0.1684065
ew_espels_halpha_uncertainty = 0.011662254
ew_espels_halpha_flag = 0
ew_espels_halpha_model = 0.178368
flags_esphs = 91
spectraltype_esphs = F
activityindex_espcs = -0.0014688206
activityindex_espcs_uncertainty = 0.00026580563
activityindex_espcs_input = M1
radius_flame = 1.6047331
radius_flame_lower = 1.5703554
radius_flame_upper = 1.6394333
lum_flame = 3.3564913
lum_flame_lower = 3.3049576
lum_flame_upper = 3.4116778
mass_flame = 1.2544192
mass_flame_lower = 1.2141179
mass_flame_upper = 1.2947447
age_flame = 3.6942194
age_flame_lower = 3.1864476
age_flame_upper = 4.2016845
flags_flame = 00
evolstage_flame = 307
gravredshift_flame = 0.41099375
gravredshift_flame_lower = 0.4057556
gravredshift_flame_upper = 0.4255413
bc_flame = 0.07231598
mh_msc = 0.09765971
mh_msc_upper = 0.11697601
mh_msc_lower = 0.04285726
azero_msc = 0.10822502
azero_msc_upper = 0.14560294
azero_msc_lower = 0.0
distance_msc = 179.47842
distance_msc_upper = 188.1506
distance_msc_lower = 172.31335
teff_msc1 = 6401.782
teff_msc1_upper = 6426.3867
teff_msc1_lower = 5197.3633
teff_msc2 = 5400.139
teff_msc2_upper = 8000.0
teff_msc2_lower = 5253.2983
logg_msc1 = 4.2951846
logg_msc1_upper = 4.343703
logg_msc1_lower = 4.253428
logg_msc2 = 4.4025807
logg_msc2_upper = 4.441252
logg_msc2_lower = 4.2635493
ag_msc = 0.0920418
ag_msc_upper = 0.123739175
ag_msc_lower = 0.0
logposterior_msc = 215.75928
mcmcaccept_msc = 0.20508353
mcmcdrift_msc = 0.12758408
flags_msc = 0
neuron_oa_id = 2.0210528120544035e+17
neuron_oa_dist = 7.761772e-06
neuron_oa_dist_percentile_rank = 75
flags_oa = 0012




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 17:34:42 +0200



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