Double Star Calculator - Results


Discoverer & Number:    STF 1839
Gaia Source ID - Star A          : 1608475839447750272     Simbad
Gaia Source ID - Star B          : 1608475839447750528     Simbad
Observation Epoch : J2025.329 / 2025-05-01 Angular Separation : 14.454 ± 0.0001 arcsec Position Angle : 81.51 ± 0.0005 degree
Star A/B Epoch : J2016.000 / J2016.000 Angular Separation : 14.461 < 0.0001 arcsec Position Angle : 81.48 < 0.0001 degree Projected Separation : 1987.29 au Spatial Separation : 43457.56 ± 72005.86 au Parallax Significance (RI) : 0.60 σ ΔProper Motion Angle : 3.31 ± 0.10 degree ΔTotal Proper Motion : 1.02 ± 0.02 mas/yr ΔTangential Velocity : 0.67 ± 0.02 km/s ΔRadial Velocity : 0.37 ± 0.25 km/s ΔSpeed (scalar) : 0.53 ± 0.24 km/s ΔRelative Velocity (3D) : 0.85 ± 0.11 km/s

Aladin Lite Sky Atlas



Star A
Gaia Source ID                   : 1608475839447750272           VizieR
Epoch : J2016.000 Right Ascension (RA) : 14h 21m 27.38s Declination (Dec) : 53° 53' 50.74" Distance : 137.32 ± 0.26 pc Distance : 447.87 ± 0.83 ly Magnitude (G-band) : 8.64 mag Absolute Magnitude : 2.94 ± 0.01 mag Stellar Extinction : 0.01 ± 0.01 mag Spectral Type (BP/RP) : G Bolometric correction : -0.15 mag Luminosity : 6.03 + 0.06 / − 0.06 L☉ Log(Luminosity) : 0.78010 Effective temperature (Teff) : 5968.02 +25.62 / -10.50 K Log(Teff) : 3.77583 Mass estimation : 1.40 M☉ RUWE : 0.96 Position Angle of Proper Motion : 179.71 ± 0.07 degree Total Proper Motion : 9.30 ± 0.01 mas/yr Tangential Velocity : 6.05 ± 0.01 km/s Radial Velocity (Gaia) : -24.64 ± 0.16 km/s Space Velocity : 25.38 ± 0.16 km/s

Star A - Selected astrophysical parameters
DSC-Combmod binary star          :       0.01
DSC-Specmod binary star          :       0.41
Radius from GSP-Phot Aeneas      :       2.05  ±   0.03          R☉
Spectral type from ESP-ELS       :          F
Radius of the star from FLAME    :       2.06  ±   0.04          R☉
Bolometric correction            :       0.08                    mag
Luminosity of the star (FLAME)   :       4.85  ±   0.04          L☉
Mass of the star from FLAME      :       1.26  ±   0.04          M☉
FLAME quality indicators         :         00
  Quality                        :       OK
  Source                         :       Parallax used
Evolutionary stage from FLAME    :        418      Main Sequence (late)

Star A - Double Star Quality Metrics
Parallax over error :    538.000 : very good
RUWE                :      0.960 : good astrometric fit (single star)
Non Single Star     :            : Single Star
Duplicated source   :      false : single source
G magnitude         :      8.636 : G > 3 mag, photometry reliable
Excess noise        :      0.095 : Good fit
  Significance      :     10.983 :   Minor noise, likely negligible
BP-RP excess factor :      1.197 : photometry consistent
Visibility periods  :         29 : high, indicates well observed star
IPD multi-peak frac :         0% : single peak detected
IDP GoF harmonic amp:      0.005 : unobtrusive (single star source)


Star B
Gaia Source ID                   : 1608475839447750528           VizieR
Epoch : J2016.000 Right Ascension (RA) : 14h 21m 29.00s Declination (Dec) : 53° 53' 52.88" Distance : 137.53 ± 0.24 pc Distance : 448.56 ± 0.78 ly Magnitude (G-band) : 8.73 mag Absolute Magnitude : 3.02 ± 0.01 mag Stellar Extinction : 0.01 ± <0.01 mag Spectral Type (BP/RP) : F Bolometric correction : -0.05 mag Luminosity : 5.09 + 0.03 / − 0.03 L☉ Log(Luminosity) : 0.70677 Effective temperature (Teff) : 6124.01 + 5.75 / - 7.69 K Log(Teff) : 3.78704 Mass estimation : 1.53 M☉ RUWE : 0.94 Position Angle of Proper Motion : 183.01 ± 0.06 degree Total Proper Motion : 10.32 ± 0.01 mas/yr Tangential Velocity : 6.73 ± 0.01 km/s Radial Velocity (Gaia) : -25.02 ± 0.19 km/s Space Velocity : 25.91 ± 0.18 km/s

Star B - Selected astrophysical parameters
DSC-Combmod binary star          :       1.00
DSC-Specmod binary star          :       1.00
Radius from GSP-Phot Aeneas      :       1.92  ±   0.00          R☉
Spectral type from ESP-ELS       :          F
Radius of the star from FLAME    :       1.89  ±   0.04          R☉
Bolometric correction            :       0.07                    mag
Luminosity of the star (FLAME)   :       4.52  ±   0.02          L☉
Mass of the star from FLAME      :       1.34  ±   0.04          M☉
FLAME quality indicators         :         00
  Quality                        :       OK
  Source                         :       Parallax used
Evolutionary stage from FLAME    :        322      Main Sequence (mid)

Star B - Double Star Quality Metrics
Parallax over error :    576.160 : very good
RUWE                :      0.940 : good astrometric fit (single star)
Non Single Star     :            : Single Star
Duplicated source   :      false : single source
G magnitude         :      8.727 : G > 3 mag, photometry reliable
Excess noise        :      0.091 : Good fit
  Significance      :     11.030 :   Minor noise, likely negligible
BP-RP excess factor :      1.195 : photometry consistent
Visibility periods  :         30 : high, indicates well observed star
IPD multi-peak frac :         0% : single peak detected
IDP GoF harmonic amp:      0.005 : 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)          :        0.11     (CPM)

Co-Moving

UWLE for Co-Moving Pairs (3D)      :
===================================
COMOV: Velocity Evidence Indicator :        0.97     (Strong)
COMOV: Distance Evidence Indicator :        0.91     (Strong)
Co-Moving Total Evidence Indicator :        0.94     (Strong)

rPM/COMOV Agreement                :                 (High)

Binarity

Separation, Sigma and Reliability  :
===================================
Projected Separation               :     1987.29     au
Spatial Separation                 :    43457.56     au
  1-Sigma Range                    : [   1987.29,  115463.42] au
  Significance (RI)                :        0.60     σ
  Note: 3D distance not significantly resolved


Proper Motion and Velocity         :
===================================
rPM (Proper Motion Ratio)          :        0.11     (CPM)
ΔRelative Velocity (3D)            :        0.85  ±  0.11   km/s


UWLE for Wide Binaries (3D)        :
===================================
WBS: Velocity Evidence Indicator   :        0.00     (Unlikely)
WBS: Distance Evidence Indicator   :        0.19     (Weak)
Binarity Total Evidence Indicator  :        0.02     (Unlikely)


UWLE for Wide Binaries (2D)        :
===================================
WBS: Velocity Evidence Indicator   :        0.72     (Strong)
WBS: Distance Evidence Indicator   :        0.27     (Weak)
Binarity Total Evidence Indicator  :        0.44     (Moderate)

Orbital & Binding Dynamics         :
-----------------------------------
Est. orbital period at lower bound :    44904.80            years
Escape Velocity                    :        1.62            km/s (Bound)
3D Velocity Difference             :        0.85  ±  0.11   km/s
Circular Orbital Velocity          :        1.14            km/s
Binding Indicator η                :        0.28     (Strongly Bound)
  η < 0.5 : Strongly bound / 0.5 ≤ η < 1.0: Bound / η ≥ 1.0 : Unbound
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]         :     -0.1591  ± 0.0171 dex
  Metallicity reliability factor A :        1.00
Metallicity Star B - [M/H]         :     -0.3467  ± 0.0056 dex
  Metallicity reliability factor B :        0.72
Metallicity Difference             :      0.1876           dex
Combined uncertainty               :      0.2108           dex
Sigma-Distance (Z-Score)           :      0.89 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) :  0.96 : Zero
RUWE probability for a binary system (Star B) :  0.94 : 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     14.546    0.001      81.064    0.006
1901.0     14.546    0.001      81.067    0.006
1902.0     14.545    0.001      81.071    0.006
1903.0     14.544    0.001      81.074    0.006
1904.0     14.543    0.001      81.078    0.006
1905.0     14.543    0.001      81.081    0.006
1906.0     14.542    0.001      81.085    0.006
1907.0     14.541    0.001      81.088    0.006
1908.0     14.541    0.001      81.092    0.006
1909.0     14.540    0.001      81.095    0.006
1910.0     14.539    0.001      81.099    0.006
1911.0     14.538    0.001      81.103    0.006
1912.0     14.538    0.001      81.106    0.006
1913.0     14.537    0.001      81.110    0.006
1914.0     14.536    0.001      81.113    0.006
1915.0     14.535    0.001      81.117    0.005
1916.0     14.535    0.001      81.120    0.005
1917.0     14.534    0.001      81.124    0.005
1918.0     14.533    0.001      81.127    0.005
1919.0     14.532    0.001      81.131    0.005
1920.0     14.532    0.001      81.134    0.005
1921.0     14.531    0.001      81.138    0.005
1922.0     14.530    0.001      81.142    0.005
1923.0     14.529    0.001      81.145    0.005
1924.0     14.529    0.001      81.149    0.005
1925.0     14.528    0.001      81.152    0.005
1926.0     14.527    0.001      81.156    0.005
1927.0     14.527    0.001      81.159    0.005
1928.0     14.526    0.001      81.163    0.005
1929.0     14.525    0.001      81.166    0.005
1930.0     14.524    0.001      81.170    0.005
1931.0     14.524    0.001      81.174    0.005
1932.0     14.523    0.001      81.177    0.005
1933.0     14.522    0.001      81.181    0.005
1934.0     14.521    0.001      81.184    0.004
1935.0     14.521    0.001      81.188    0.004
1936.0     14.520    0.001      81.191    0.004
1937.0     14.519    0.001      81.195    0.004
1938.0     14.518    0.001      81.198    0.004
1939.0     14.518    0.001      81.202    0.004
1940.0     14.517    0.001      81.206    0.004
1941.0     14.516    0.001      81.209    0.004
1942.0     14.515    0.001      81.213    0.004
1943.0     14.515    0.001      81.216    0.004
1944.0     14.514    0.001      81.220    0.004
1945.0     14.513    0.001      81.223    0.004
1946.0     14.513    0.001      81.227    0.004
1947.0     14.512    0.001      81.230    0.004
1948.0     14.511    0.001      81.234    0.004
1949.0     14.510    0.001      81.238    0.004
1950.0     14.510    0.001      81.241    0.004
1951.0     14.509    0.001      81.245    0.004
1952.0     14.508    0.001      81.248    0.003
1953.0     14.507    0.001      81.252    0.003
1954.0     14.507    0.001      81.255    0.003
1955.0     14.506    0.001      81.259    0.003
1956.0     14.505    0.001      81.262    0.003
1957.0     14.504    0.001      81.266    0.003
1958.0     14.504    0.001      81.270    0.003
1959.0     14.503    0.001      81.273    0.003
1960.0     14.502    0.001      81.277    0.003
1961.0     14.501    0.001      81.280    0.003
1962.0     14.501    0.001      81.284    0.003
1963.0     14.500    0.001      81.287    0.003
1964.0     14.499    0.001      81.291    0.003
1965.0     14.499    0.001      81.295    0.003
1966.0     14.498    0.001      81.298    0.003
1967.0     14.497    0.000      81.302    0.003
1968.0     14.496    0.000      81.305    0.003
1969.0     14.496    0.000      81.309    0.003
1970.0     14.495    0.000      81.312    0.003
1971.0     14.494    0.000      81.316    0.002
1972.0     14.493    0.000      81.320    0.002
1973.0     14.493    0.000      81.323    0.002
1974.0     14.492    0.000      81.327    0.002
1975.0     14.491    0.000      81.330    0.002
1976.0     14.490    0.000      81.334    0.002
1977.0     14.490    0.000      81.337    0.002
1978.0     14.489    0.000      81.341    0.002
1979.0     14.488    0.000      81.345    0.002
1980.0     14.488    0.000      81.348    0.002
1981.0     14.487    0.000      81.352    0.002
1982.0     14.486    0.000      81.355    0.002
1983.0     14.485    0.000      81.359    0.002
1984.0     14.485    0.000      81.362    0.002
1985.0     14.484    0.000      81.366    0.002
1986.0     14.483    0.000      81.370    0.002
1987.0     14.482    0.000      81.373    0.002
1988.0     14.482    0.000      81.377    0.002
1989.0     14.481    0.000      81.380    0.001
1990.0     14.480    0.000      81.384    0.001
1991.0     14.479    0.000      81.387    0.001
1992.0     14.479    0.000      81.391    0.001
1993.0     14.478    0.000      81.395    0.001
1994.0     14.477    0.000      81.398    0.001
1995.0     14.477    0.000      81.402    0.001
1996.0     14.476    0.000      81.405    0.001
1997.0     14.475    0.000      81.409    0.001
1998.0     14.474    0.000      81.412    0.001
1999.0     14.474    0.000      81.416    0.001
2000.0     14.473    0.000      81.420    0.001
2001.0     14.472    0.000      81.423    0.001
2002.0     14.471    0.000      81.427    0.001
2003.0     14.471    0.000      81.430    0.001
2004.0     14.470    0.000      81.434    0.001
2005.0     14.469    0.000      81.438    0.001
2006.0     14.468    0.000      81.441    0.001
2007.0     14.468    0.000      81.445    0.000
2008.0     14.467    0.000      81.448    0.000
2009.0     14.466    0.000      81.452    0.000
2010.0     14.466    0.000      81.455    0.000
2011.0     14.465    0.000      81.459    0.000
2012.0     14.464    0.000      81.463    0.000
2013.0     14.463    0.000      81.466    0.000
2014.0     14.463    0.000      81.470    0.000
2015.0     14.462    0.000      81.473    0.000
2016.0     14.461    0.000      81.477    0.000
2017.0     14.460    0.000      81.481    0.000
2018.0     14.460    0.000      81.484    0.000
2019.0     14.459    0.000      81.488    0.000
2020.0     14.458    0.000      81.491    0.000
2021.0     14.458    0.000      81.495    0.000
2022.0     14.457    0.000      81.498    0.000
2023.0     14.456    0.000      81.502    0.000
2024.0     14.455    0.000      81.506    0.000
2025.0     14.455    0.000      81.509    0.000
2026.0     14.454    0.000      81.513    0.001
2027.0     14.453    0.000      81.516    0.001
2028.0     14.452    0.000      81.520    0.001
2029.0     14.452    0.000      81.524    0.001
2030.0     14.451    0.000      81.527    0.001
2031.0     14.450    0.000      81.531    0.001
2032.0     14.449    0.000      81.534    0.001
2033.0     14.449    0.000      81.538    0.001
2034.0     14.448    0.000      81.542    0.001
2035.0     14.447    0.000      81.545    0.001
2036.0     14.447    0.000      81.549    0.001
2037.0     14.446    0.000      81.552    0.001
2038.0     14.445    0.000      81.556    0.001
2039.0     14.444    0.000      81.559    0.001
2040.0     14.444    0.000      81.563    0.001
2041.0     14.443    0.000      81.567    0.001
2042.0     14.442    0.000      81.570    0.001
2043.0     14.441    0.000      81.574    0.001
2044.0     14.441    0.000      81.577    0.002
2045.0     14.440    0.000      81.581    0.002
2046.0     14.439    0.000      81.585    0.002
2047.0     14.439    0.000      81.588    0.002
2048.0     14.438    0.000      81.592    0.002
2049.0     14.437    0.000      81.595    0.002
2050.0     14.436    0.000      81.599    0.002
2051.0     14.436    0.000      81.603    0.002
2052.0     14.435    0.000      81.606    0.002
2053.0     14.434    0.000      81.610    0.002
2054.0     14.433    0.000      81.613    0.002
2055.0     14.433    0.000      81.617    0.002
2056.0     14.432    0.000      81.621    0.002
2057.0     14.431    0.000      81.624    0.002
2058.0     14.430    0.000      81.628    0.002
2059.0     14.430    0.000      81.631    0.002
2060.0     14.429    0.000      81.635    0.002
2061.0     14.428    0.000      81.639    0.002
2062.0     14.428    0.000      81.642    0.003
2063.0     14.427    0.000      81.646    0.003
2064.0     14.426    0.000      81.649    0.003
2065.0     14.425    0.000      81.653    0.003
2066.0     14.425    0.000      81.657    0.003
2067.0     14.424    0.001      81.660    0.003
2068.0     14.423    0.001      81.664    0.003
2069.0     14.422    0.001      81.667    0.003
2070.0     14.422    0.001      81.671    0.003
2071.0     14.421    0.001      81.675    0.003
2072.0     14.420    0.001      81.678    0.003
2073.0     14.420    0.001      81.682    0.003
2074.0     14.419    0.001      81.685    0.003
2075.0     14.418    0.001      81.689    0.003
2076.0     14.417    0.001      81.693    0.003
2077.0     14.417    0.001      81.696    0.003
2078.0     14.416    0.001      81.700    0.003
2079.0     14.415    0.001      81.704    0.003
2080.0     14.414    0.001      81.707    0.004
2081.0     14.414    0.001      81.711    0.004
2082.0     14.413    0.001      81.714    0.004
2083.0     14.412    0.001      81.718    0.004
2084.0     14.412    0.001      81.722    0.004
2085.0     14.411    0.001      81.725    0.004
2086.0     14.410    0.001      81.729    0.004
2087.0     14.409    0.001      81.732    0.004
2088.0     14.409    0.001      81.736    0.004
2089.0     14.408    0.001      81.740    0.004
2090.0     14.407    0.001      81.743    0.004
2091.0     14.406    0.001      81.747    0.004
2092.0     14.406    0.001      81.750    0.004
2093.0     14.405    0.001      81.754    0.004
2094.0     14.404    0.001      81.758    0.004
2095.0     14.404    0.001      81.761    0.004
2096.0     14.403    0.001      81.765    0.004
2097.0     14.402    0.001      81.769    0.004
2098.0     14.401    0.001      81.772    0.004
2099.0     14.401    0.001      81.776    0.005
2100.0     14.400    0.001      81.779    0.005


Measurements for STF 1839
 
WDS ID      Discovr     Comp  #    Sep      PA       Epoch      Obs  Telescope     Camera    Note
-------------------------------------------------------------------------------------------------
14215+5354  STF 1839          1    14.49"   81.45°   B2025.334  HWI  120/900 APO   ASI678MM 

-- Image of STF-1839-taken with Equinox 120/900 APO --


WDS record for STF 1839
wds_id                       : 14215+5354
discoverer_code              : STF
discoverer_number            : 1839
discoverer_components        : 
date_first                   : 1830
date_last                    : 2021
num_of_obs                   : 52
pa_first                     : 84
pa_last                      : 81
sep_first                    : 14.8
sep_last                     : 14.5
mag_primary                  : 8.84
mag_secondary                : 8.92
spectral_type                : G0
primary_proper_motion_RA     : 0
primary_proper_motion_DEC    : -9
secondary_proper_motion_RA   : -1
secondary_proper_motion_DEC  : -11
dm_number                    : +54 1666
notes                        : T
precise_coordinate           : 142127.38+535350.9
                             : 14:21:27.38 +53:53:50.9

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 1608475839447750272
source_id = 1608475839447750272
random_index = 696377606.0
ref_epoch = 2016.0
ra = 215.36407513613435
ra_error = 0.010740661
dec = 53.89742775707615
dec_error = 0.011744925
parallax = 7.282397197819214
parallax_error = 0.013536043
parallax_over_error = 538.0004
pm = 9.300821
pmra = 0.04784721720894902
pmra_error = 0.012024364
pmdec = -9.300697933478462
pmdec_error = 0.013155385
ra_dec_corr = 0.06750117
ra_parallax_corr = -0.25112337
ra_pmra_corr = -0.0012663732
ra_pmdec_corr = 0.11207862
dec_parallax_corr = 0.21496439
dec_pmra_corr = 0.05200642
dec_pmdec_corr = 0.112799264
parallax_pmra_corr = -0.05624647
parallax_pmdec_corr = -0.20037432
pmra_pmdec_corr = 0.13320048
astrometric_n_obs_al = 413
astrometric_n_obs_ac = 413
astrometric_n_good_obs_al = 407
astrometric_n_bad_obs_al = 6
astrometric_gof_al = -1.0041827
astrometric_chi2_al = 821.95917
astrometric_excess_noise = 0.09490007
astrometric_excess_noise_sig = 10.983017
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.5780762
astrometric_matched_transits = 47
visibility_periods_used = 29
astrometric_sigma5d_max = 0.019001482
matched_transits = 62
new_matched_transits = 18
matched_transits_removed = 3
ipd_gof_harmonic_amplitude = 0.00504276
ipd_gof_harmonic_phase = 160.12875
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 0.96397585
duplicated_source = false
phot_g_n_obs = 523
phot_g_mean_flux = 6616684.837899863
phot_g_mean_flux_error = 917.6041
phot_g_mean_flux_over_error = 7210.827
phot_g_mean_mag = 8.635766
phot_bp_n_obs = 52
phot_bp_mean_flux = 3710390.752487331
phot_bp_mean_flux_error = 1304.999
phot_bp_mean_flux_over_error = 2843.2134
phot_bp_mean_mag = 8.914993
phot_rp_n_obs = 56
phot_rp_mean_flux = 4206621.484489906
phot_rp_mean_flux_error = 1134.3083
phot_rp_mean_flux_over_error = 3708.5344
phot_rp_mean_mag = 8.188062
phot_bp_rp_excess_factor = 1.1965225
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 = 0.7269316
bp_g = 0.27922726
g_rp = 0.44770432
radial_velocity = -24.643723
radial_velocity_error = 0.16034459
rv_method_used = 1
rv_nb_transits = 15
rv_nb_deblended_transits = 4
rv_visibility_periods_used = 10
rv_expected_sig_to_noise = 174.47926
rv_renormalised_gof = 0.26687136
rv_chisq_pvalue = 0.18859972
rv_time_duration = 974.9357
rv_amplitude_robust = 1.2449379
rv_template_teff = 6000.0
rv_template_logg = 3.5
rv_template_fe_h = 0.0
rv_atm_param_origin = 222
grvs_mag = 8.022238
grvs_mag_error = 0.010172925
grvs_mag_nb_transits = 10
phot_variable_flag = NOT_AVAILABLE
l = 97.33825003002185
b = 58.5278247120894
ecl_lon = 178.9865688078606
ecl_lat = 61.27612880342805
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 = 1.7308995e-13
classprob_dsc_combmod_galaxy = 8.6457566e-13
classprob_dsc_combmod_star = 0.99296397
teff_gspphot = 5968.0234
teff_gspphot_lower = 5957.522
teff_gspphot_upper = 5993.643
logg_gspphot = 4.0052
logg_gspphot_lower = 4.0022
logg_gspphot_upper = 4.0183
mh_gspphot = -0.1591
mh_gspphot_lower = -0.1696
mh_gspphot_upper = -0.1354
distance_gspphot = 136.0154
distance_gspphot_lower = 133.0621
distance_gspphot_upper = 136.7007
azero_gspphot = 0.0087
azero_gspphot_lower = 0.0014
azero_gspphot_upper = 0.0244
ag_gspphot = 0.0074
ag_gspphot_lower = 0.0012
ag_gspphot_upper = 0.0207
ebpminrp_gspphot = 0.004
ebpminrp_gspphot_lower = 0.0006
ebpminrp_gspphot_upper = 0.0112
libname_gspphot = MARCS
    Star B - gaiadr3.gaia_source
solution_id = 1636148068921376768
designation = Gaia DR3 1608475839447750528
source_id = 1608475839447750528
random_index = 1633809299.0
ref_epoch = 2016.0
ra = 215.37081727266414
ra_error = 0.010174211
dec = 53.89802291642644
dec_error = 0.010817156
parallax = 7.271252476602915
parallax_error = 0.012620199
parallax_over_error = 576.1599
pm = 10.318172
pmra = -0.5424905732000016
pmra_error = 0.011345472
pmdec = -10.3039015207219
pmdec_error = 0.0125938915
ra_dec_corr = 0.0661333
ra_parallax_corr = -0.20216355
ra_pmra_corr = 0.027644193
ra_pmdec_corr = 0.09597986
dec_parallax_corr = 0.18399377
dec_pmra_corr = 0.028889405
dec_pmdec_corr = 0.15948686
parallax_pmra_corr = -0.10200917
parallax_pmdec_corr = -0.23173046
pmra_pmdec_corr = 0.11652052
astrometric_n_obs_al = 430
astrometric_n_obs_ac = 430
astrometric_n_good_obs_al = 423
astrometric_n_bad_obs_al = 7
astrometric_gof_al = -1.7889917
astrometric_chi2_al = 816.15546
astrometric_excess_noise = 0.09117087
astrometric_excess_noise_sig = 11.030445
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.582537
astrometric_matched_transits = 49
visibility_periods_used = 30
astrometric_sigma5d_max = 0.01812327
matched_transits = 66
new_matched_transits = 18
matched_transits_removed = 4
ipd_gof_harmonic_amplitude = 0.004987772
ipd_gof_harmonic_phase = 164.04335
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 0.9379882
duplicated_source = false
phot_g_n_obs = 549
phot_g_mean_flux = 6084933.741591398
phot_g_mean_flux_error = 928.0816
phot_g_mean_flux_over_error = 6556.4644
phot_g_mean_mag = 8.7267275
phot_bp_n_obs = 57
phot_bp_mean_flux = 3437237.182623555
phot_bp_mean_flux_error = 1331.9381
phot_bp_mean_flux_over_error = 2580.6284
phot_bp_mean_mag = 8.998018
phot_rp_n_obs = 59
phot_rp_mean_flux = 3835084.34478459
phot_rp_mean_flux_error = 712.602
phot_rp_mean_flux_over_error = 5381.804
phot_rp_mean_mag = 8.288458
phot_bp_rp_excess_factor = 1.1951357
phot_bp_n_contaminated_transits = 0
phot_bp_n_blended_transits = 36
phot_rp_n_contaminated_transits = 0
phot_rp_n_blended_transits = 28
phot_proc_mode = 0
bp_rp = 0.7095604
bp_g = 0.27129078
g_rp = 0.43826962
radial_velocity = -25.018383
radial_velocity_error = 0.1876655
rv_method_used = 1
rv_nb_transits = 18
rv_nb_deblended_transits = 8
rv_visibility_periods_used = 13
rv_expected_sig_to_noise = 195.09503
rv_renormalised_gof = 1.2856247
rv_chisq_pvalue = 0.037169874
rv_time_duration = 974.68555
rv_amplitude_robust = 2.3854103
rv_template_teff = 6000.0
rv_template_logg = 3.5
rv_template_fe_h = 0.25
rv_atm_param_origin = 222
grvs_mag = 8.114989
grvs_mag_error = 0.0050527067
grvs_mag_nb_transits = 8
phot_variable_flag = NOT_AVAILABLE
l = 97.33322823189927
b = 58.524781393973704
ecl_lon = 178.99183233403295
ecl_lat = 61.279249385029686
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 = 1.0202512e-11
classprob_dsc_combmod_galaxy = 5.0961034e-11
classprob_dsc_combmod_star = 1.0000273e-06
teff_gspphot = 6124.0073
teff_gspphot_lower = 6116.3135
teff_gspphot_upper = 6129.759
logg_gspphot = 3.9097
logg_gspphot_lower = 3.9075
logg_gspphot_upper = 3.9116
mh_gspphot = -0.3467
mh_gspphot_lower = -0.3533
mh_gspphot_upper = -0.342
distance_gspphot = 137.1758
distance_gspphot_lower = 136.8992
distance_gspphot_upper = 137.4476
azero_gspphot = 0.0137
azero_gspphot_lower = 0.0091
azero_gspphot_upper = 0.0181
ag_gspphot = 0.0117
ag_gspphot_lower = 0.0078
ag_gspphot_upper = 0.0155
ebpminrp_gspphot = 0.0063
ebpminrp_gspphot_lower = 0.0042
ebpminrp_gspphot_upper = 0.0083
libname_gspphot = PHOENIX
- gaiadr3.astrophysical_parameters
solution_id = 1636148068921376768
source_id = 1608475839447750272
classprob_dsc_combmod_quasar = 1.7308995e-13
classprob_dsc_combmod_galaxy = 8.6457566e-13
classprob_dsc_combmod_star = 0.99296397
classprob_dsc_combmod_whitedwarf = 3.397543e-12
classprob_dsc_combmod_binarystar = 0.0070360494
classprob_dsc_specmod_quasar = 0.0
classprob_dsc_specmod_galaxy = 0.0
classprob_dsc_specmod_star = 0.5852708
classprob_dsc_specmod_whitedwarf = 0.0
classprob_dsc_specmod_binarystar = 0.41472915
classprob_dsc_allosmod_quasar = 0.0
classprob_dsc_allosmod_galaxy = 0.0
classprob_dsc_allosmod_star = 1.0
teff_gspphot = 5968.0234
teff_gspphot_lower = 5957.522
teff_gspphot_upper = 5993.643
logg_gspphot = 4.0052
logg_gspphot_lower = 4.0022
logg_gspphot_upper = 4.0183
mh_gspphot = -0.1591
mh_gspphot_lower = -0.1696
mh_gspphot_upper = -0.1354
distance_gspphot = 136.0154
distance_gspphot_lower = 133.0621
distance_gspphot_upper = 136.7007
azero_gspphot = 0.0087
azero_gspphot_lower = 0.0014
azero_gspphot_upper = 0.0244
ag_gspphot = 0.0074
ag_gspphot_lower = 0.0012
ag_gspphot_upper = 0.0207
abp_gspphot = 0.0092
abp_gspphot_lower = 0.0015
abp_gspphot_upper = 0.0258
arp_gspphot = 0.0053
arp_gspphot_lower = 0.0008
arp_gspphot_upper = 0.0147
ebpminrp_gspphot = 0.004
ebpminrp_gspphot_lower = 0.0006
ebpminrp_gspphot_upper = 0.0112
mg_gspphot = 2.9484
mg_gspphot_lower = 2.9406
mg_gspphot_upper = 2.9856
radius_gspphot = 2.0469
radius_gspphot_lower = 1.9978
radius_gspphot_upper = 2.0602
logposterior_gspphot = -3306.1895
mcmcaccept_gspphot = 0.4322257
libname_gspphot = MARCS
teff_gspspec = 6080.0
teff_gspspec_lower = 6057.0
teff_gspspec_upper = 6091.0
logg_gspspec = 3.88
logg_gspspec_lower = 3.85
logg_gspspec_upper = 3.9
mh_gspspec = -0.03
mh_gspspec_lower = -0.04
mh_gspspec_upper = -0.02
alphafe_gspspec = 0.16
alphafe_gspspec_lower = 0.14
alphafe_gspspec_upper = 0.17
fem_gspspec = -0.15
fem_gspspec_lower = -0.26
fem_gspspec_upper = -0.04
fem_gspspec_nlines = 7
fem_gspspec_linescatter = 0.19
sife_gspspec = -0.18
sife_gspspec_lower = -0.27
sife_gspspec_upper = -0.09
sife_gspspec_nlines = 2
sife_gspspec_linescatter = 0.04
cafe_gspspec = 0.13
cafe_gspspec_lower = 0.11
cafe_gspspec_upper = 0.16
cafe_gspspec_nlines = 6
cafe_gspspec_linescatter = 0.03
mgfe_gspspec = 0.17
mgfe_gspspec_lower = 0.06
mgfe_gspspec_upper = 0.32
mgfe_gspspec_nlines = 1
mgfe_gspspec_linescatter = 0.0
feiim_gspspec = 0.02
feiim_gspspec_lower = -0.13
feiim_gspspec_upper = 0.15
feiim_gspspec_nlines = 1
feiim_gspspec_linescatter = 0.0
sfe_gspspec = -0.12
sfe_gspspec_lower = -0.28
sfe_gspspec_upper = -0.02
sfe_gspspec_nlines = 2
sfe_gspspec_linescatter = 0.02
dibqf_gspspec = -1
flags_gspspec = 00000000000009921000000999900019999999999
logchisq_gspspec = -4.1473823
ew_espels_halpha = 0.09770911
ew_espels_halpha_uncertainty = 0.01364592
ew_espels_halpha_flag = 0
ew_espels_halpha_model = 0.139577
flags_esphs = 94
spectraltype_esphs = F
activityindex_espcs = -0.00800223
activityindex_espcs_uncertainty = 0.0002487374
activityindex_espcs_input = M1
radius_flame = 2.0569513
radius_flame_lower = 2.0153098
radius_flame_upper = 2.0990596
lum_flame = 4.8464603
lum_flame_lower = 4.8160696
lum_flame_upper = 4.88879
mass_flame = 1.2555667
mass_flame_lower = 1.2155112
mass_flame_upper = 1.2956115
age_flame = 4.520254
age_flame_lower = 4.0138216
age_flame_upper = 5.027011
flags_flame = 00
evolstage_flame = 418
gravredshift_flame = 0.48000127
gravredshift_flame_lower = 0.4794275
gravredshift_flame_upper = 0.4823413
bc_flame = 0.08175791
mh_msc = 0.0037794944
mh_msc_upper = 0.14505826
mh_msc_lower = -0.031299777
azero_msc = 0.09854805
azero_msc_upper = 0.11313062
azero_msc_lower = 0.07290866
distance_msc = 136.83403
distance_msc_upper = 139.132
distance_msc_lower = 133.83293
teff_msc1 = 6000.2246
teff_msc1_upper = 6013.037
teff_msc1_lower = 5986.6846
teff_msc2 = 5940.7627
teff_msc2_upper = 6080.172
teff_msc2_lower = 5880.997
logg_msc1 = 4.0937896
logg_msc1_upper = 4.125623
logg_msc1_lower = 4.083328
logg_msc2 = 4.3657365
logg_msc2_upper = 4.649507
logg_msc2_lower = 4.299709
ag_msc = 0.08282022
ag_msc_upper = 0.09518282
ag_msc_lower = 0.061341092
logposterior_msc = 273.3813
mcmcaccept_msc = 0.25463006
mcmcdrift_msc = 0.14742163
flags_msc = 0
neuron_oa_id = 2.0210528120544042e+17
neuron_oa_dist = 2.6770376e-06
neuron_oa_dist_percentile_rank = 95
flags_oa = 0002
    - gaiadr3.astrophysical_parameters
solution_id = 1636148068921376768
source_id = 1608475839447750528
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 = 6124.0073
teff_gspphot_lower = 6116.3135
teff_gspphot_upper = 6129.759
logg_gspphot = 3.9097
logg_gspphot_lower = 3.9075
logg_gspphot_upper = 3.9116
mh_gspphot = -0.3467
mh_gspphot_lower = -0.3533
mh_gspphot_upper = -0.342
distance_gspphot = 137.1758
distance_gspphot_lower = 136.8992
distance_gspphot_upper = 137.4476
azero_gspphot = 0.0137
azero_gspphot_lower = 0.0091
azero_gspphot_upper = 0.0181
ag_gspphot = 0.0117
ag_gspphot_lower = 0.0078
ag_gspphot_upper = 0.0155
abp_gspphot = 0.0145
abp_gspphot_lower = 0.0097
abp_gspphot_upper = 0.0192
arp_gspphot = 0.0083
arp_gspphot_lower = 0.0055
arp_gspphot_upper = 0.0109
ebpminrp_gspphot = 0.0063
ebpminrp_gspphot_lower = 0.0042
ebpminrp_gspphot_upper = 0.0083
mg_gspphot = 2.9902
mg_gspphot_lower = 2.9857
mg_gspphot_upper = 2.9981
radius_gspphot = 1.917
radius_gspphot_lower = 1.9131
radius_gspphot_upper = 1.921
logposterior_gspphot = -3853.7163
mcmcaccept_gspphot = 0.27912226
libname_gspphot = PHOENIX
teff_gspspec = 5948.0
teff_gspspec_lower = 5927.0
teff_gspspec_upper = 5972.0
logg_gspspec = 3.82
logg_gspspec_lower = 3.78
logg_gspspec_upper = 3.85
mh_gspspec = -0.21
mh_gspspec_lower = -0.22
mh_gspspec_upper = -0.17
alphafe_gspspec = 0.27
alphafe_gspspec_lower = 0.26
alphafe_gspspec_upper = 0.28
fem_gspspec = -0.04
fem_gspspec_lower = -0.13
fem_gspspec_upper = 0.06
fem_gspspec_nlines = 7
fem_gspspec_linescatter = 0.16
sife_gspspec = 0.05
sife_gspspec_lower = -0.06
sife_gspspec_upper = 0.15
sife_gspspec_nlines = 3
sife_gspspec_linescatter = 0.09
cafe_gspspec = 0.26
cafe_gspspec_lower = 0.24
cafe_gspspec_upper = 0.28
cafe_gspspec_nlines = 6
cafe_gspspec_linescatter = 0.01
mgfe_gspspec = 0.33
mgfe_gspspec_lower = 0.17
mgfe_gspspec_upper = 0.5
mgfe_gspspec_nlines = 1
mgfe_gspspec_linescatter = 0.0
feiim_gspspec = 0.64
feiim_gspspec_lower = 0.49
feiim_gspspec_upper = 0.76
feiim_gspspec_nlines = 1
feiim_gspspec_linescatter = 0.0
sfe_gspspec = 0.27
sfe_gspspec_lower = 0.2
sfe_gspspec_upper = 0.35
sfe_gspspec_nlines = 2
sfe_gspspec_linescatter = 0.07
nfe_gspspec = 0.4
nfe_gspspec_lower = 0.25
nfe_gspspec_upper = 0.55
nfe_gspspec_nlines = 1
nfe_gspspec_linescatter = 0.0
dibqf_gspspec = -1
flags_gspspec = 00000000000001111000000999900019999999999
logchisq_gspspec = -4.235721
ew_espels_halpha = 0.14691481
ew_espels_halpha_uncertainty = 0.013710438
ew_espels_halpha_flag = 0
ew_espels_halpha_model = 0.162438
flags_esphs = 93
spectraltype_esphs = F
radius_flame = 1.8896073
radius_flame_lower = 1.8515768
radius_flame_upper = 1.9276521
lum_flame = 4.522673
lum_flame_lower = 4.502324
lum_flame_upper = 4.543625
mass_flame = 1.3417478
mass_flame_lower = 1.3017197
mass_flame_upper = 1.3817787
age_flame = 3.3223727
age_flame_lower = 2.9079065
age_flame_upper = 3.73692
flags_flame = 00
evolstage_flame = 322
gravredshift_flame = 0.35624745
gravredshift_flame_lower = 0.35510018
gravredshift_flame_upper = 0.35701478
bc_flame = 0.07254369
mh_msc = 0.13642035
mh_msc_upper = 0.20293541
mh_msc_lower = 0.075444356
azero_msc = 0.00091161835
azero_msc_upper = 0.012391298
azero_msc_lower = 0.0
distance_msc = 137.26378
distance_msc_upper = 140.55357
distance_msc_lower = 135.1747
teff_msc1 = 6260.37
teff_msc1_upper = 6328.09
teff_msc1_lower = 6152.7676
teff_msc2 = 5504.8066
teff_msc2_upper = 5615.9053
teff_msc2_lower = 5415.8076
logg_msc1 = 4.240147
logg_msc1_upper = 4.259621
logg_msc1_lower = 4.178945
logg_msc2 = 4.3942165
logg_msc2_upper = 4.460287
logg_msc2_lower = 4.322872
ag_msc = 0.00077054265
ag_msc_upper = 0.010474394
ag_msc_lower = 0.0
logposterior_msc = 303.46558
mcmcaccept_msc = 0.25300717
mcmcdrift_msc = 0.09914036
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 17:38:42 +0200



www.stella-vega.de