Double Star Calculator - Results


Discoverer & Number:    STF 1458
Gaia Source ID - Star A          : 736173925863826944     Simbad
Gaia Source ID - Star B          : 736174028943041920     Simbad
Observation Epoch : J2025.255 / 2025-04-04 Angular Separation : 18.116 ± 0.0002 arcsec Position Angle : 36.60 ± 0.0006 degree
Star A/B Epoch : J2016.000 / J2016.000 Angular Separation : 18.102 < 0.0001 arcsec Position Angle : 36.56 ± 0.0001 degree Projected Separation : 1253.62 au Spatial Separation : 21353.46 ± 26122.01 au Parallax Significance (RI) : 0.81 σ ΔProper Motion Angle : 0.07 ± 0.01 degree ΔTotal Proper Motion : 1.93 ± 0.03 mas/yr ΔTangential Velocity : 0.58 ± 0.07 km/s ΔRadial Velocity : 0.53 ± 0.24 km/s ΔSpeed (scalar) : 0.46 ± 0.09 km/s ΔRelative Velocity (3D) : 0.79 ± 0.17 km/s

Aladin Lite Sky Atlas



Star A
Gaia Source ID                   : 736173925863826944           VizieR
Epoch : J2016.000 Right Ascension (RA) : 10h 39m 26.90s Declination (Dec) : 31° 42' 2.87" Distance : 69.20 ± 0.09 pc Distance : 225.70 ± 0.30 ly Magnitude (G-band) : 9.19 mag Absolute Magnitude : 4.98 ± <0.01 mag Stellar Extinction : 0.01 ± <0.01 mag Spectral Type (BP/RP) : G Bolometric correction : -0.15 mag Luminosity : 0.92 + 0.00 / − 0.00 L☉ Log(Luminosity) : -0.03594 Effective temperature (Teff) : 5491.62 + 6.05 / - 6.10 K Log(Teff) : 3.73970 Mass estimation : 1.00 M☉ RUWE : 1.19 Position Angle of Proper Motion : 252.13 ± 0.01 degree Total Proper Motion : 118.44 ± 0.02 mas/yr Tangential Velocity : 38.85 ± 0.05 km/s Radial Velocity (Gaia) : 7.73 ± 0.16 km/s Space Velocity : 39.61 ± 0.06 km/s

Star A - Selected astrophysical parameters
DSC-Combmod binary star          :       0.00
DSC-Specmod binary star          :       0.19
Radius from GSP-Phot Aeneas      :       0.96  ±   0.00          R☉
Spectral type from ESP-ELS       :          G
Radius of the star from FLAME    :       0.96  ±   0.02          R☉
Bolometric correction            :       0.06                    mag
Luminosity of the star (FLAME)   :       0.75  ±   0.01          L☉
Mass of the star from FLAME      :       0.89  ±   0.04          M☉
FLAME quality indicators         :         00
  Quality                        :       OK
  Source                         :       Parallax used
Evolutionary stage from FLAME    :        315      Main Sequence (mid)

Star A - Double Star Quality Metrics
Parallax over error :    745.192 : very good
RUWE                :      1.190 : good astrometric fit (single star)
Non Single Star     :            : Single Star
Duplicated source   :      false : single source
G magnitude         :      9.195 : G > 3 mag, photometry reliable
Excess noise        :      0.118 : Good fit
  Significance      :     14.341 :   Minor noise, likely negligible
BP-RP excess factor :      1.206 : photometry consistent
Visibility periods  :         18 : high, indicates well observed star
IPD multi-peak frac :         0% : single peak detected
IDP GoF harmonic amp:      0.004 : unobtrusive (single star source)


Star B
Gaia Source ID                   : 736174028943041920           VizieR
Epoch : J2016.000 Right Ascension (RA) : 10h 39m 27.75s Declination (Dec) : 31° 42' 17.41" Distance : 69.30 ± 0.09 pc Distance : 226.04 ± 0.28 ly Magnitude (G-band) : 9.21 mag Absolute Magnitude : 4.97 ± 0.03 mag Stellar Extinction : 0.03 ± 0.03 mag Spectral Type (BP/RP) : G Bolometric correction : -0.15 mag Luminosity : 0.93 + 0.02 / − 0.02 L☉ Log(Luminosity) : -0.03244 Effective temperature (Teff) : 5545.36 +61.75 / -36.63 K Log(Teff) : 3.74393 Mass estimation : 1.00 M☉ RUWE : 1.07 Position Angle of Proper Motion : 252.06 ± 0.01 degree Total Proper Motion : 116.51 ± 0.02 mas/yr Tangential Velocity : 38.28 ± 0.05 km/s Radial Velocity (Gaia) : 8.26 ± 0.18 km/s Space Velocity : 39.16 ± 0.06 km/s

Star B - Selected astrophysical parameters
DSC-Combmod binary star          :       0.00
DSC-Specmod binary star          :       0.15
Radius from GSP-Phot Aeneas      :       0.94  ±   0.01          R☉
Spectral type from ESP-ELS       :          G
Radius of the star from FLAME    :       0.94  ±   0.02          R☉
Bolometric correction            :       0.07                    mag
Luminosity of the star (FLAME)   :       0.76  ±   0.01          L☉
Mass of the star from FLAME      :       0.92  ±   0.05          M☉
FLAME quality indicators         :         00
  Quality                        :       OK
  Source                         :       Parallax used
Evolutionary stage from FLAME    :        287      Main Sequence (early)

Star B - Double Star Quality Metrics
Parallax over error :    801.821 : very good
RUWE                :      1.070 : good astrometric fit (single star)
Non Single Star     :            : Single Star
Duplicated source   :      false : single source
G magnitude         :      9.206 : G > 3 mag, photometry reliable
Excess noise        :      0.098 : Good fit
  Significance      :     10.148 :   Minor noise, likely negligible
BP-RP excess factor :      1.206 : photometry consistent
Visibility periods  :         17 : 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)          :        0.02     (CPM)

Co-Moving

UWLE for Co-Moving Pairs (3D)      :
===================================
COMOV: Velocity Evidence Indicator :        0.98     (Strong)
COMOV: Distance Evidence Indicator :        0.98     (Strong)
Co-Moving Total Evidence Indicator :        0.98     (Strong)

rPM/COMOV Agreement                :                 (High)

Binarity

Separation, Sigma and Reliability  :
===================================
Projected Separation               :     1253.62     au
Spatial Separation                 :    21353.46     au
  1-Sigma Range                    : [   1253.62,   47475.47] au
  Significance (RI)                :        0.81     σ
  Note: 3D distance not significantly resolved


Proper Motion and Velocity         :
===================================
rPM (Proper Motion Ratio)          :        0.02     (CPM)
ΔRelative Velocity (3D)            :        0.79  ±  0.17   km/s


UWLE for Wide Binaries (3D)        :
===================================
WBS: Velocity Evidence Indicator   :        0.07     (Unlikely)
WBS: Distance Evidence Indicator   :        0.40     (Moderate)
Binarity Total Evidence Indicator  :        0.16     (Weak)


UWLE for Wide Binaries (2D)        :
===================================
WBS: Velocity Evidence Indicator   :        0.84     (Strong)
WBS: Distance Evidence Indicator   :        0.61     (Moderate)
Binarity Total Evidence Indicator  :        0.71     (Strong)

Orbital & Binding Dynamics         :
-----------------------------------
Est. orbital period at lower bound :    27228.40            years
Escape Velocity                    :        1.68            km/s (Bound)
3D Velocity Difference             :        0.79  ±  0.17   km/s
Circular Orbital Velocity          :        1.19            km/s
Binding Indicator η                :        0.22     (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]         :      0.0107  ± 0.0092 dex
  Metallicity reliability factor A :        0.86
Metallicity Star B - [M/H]         :      0.0355  ± 0.0538 dex
  Metallicity reliability factor B :        0.71
Metallicity Difference             :      0.0248           dex
Combined uncertainty               :      0.2170           dex
Sigma-Distance (Z-Score)           :      0.11 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) :  1.19 : Zero
RUWE probability for a binary system (Star B) :  1.07 : 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     17.931    0.002      36.107    0.008
1901.0     17.932    0.002      36.111    0.008
1902.0     17.934    0.002      36.115    0.008
1903.0     17.935    0.002      36.119    0.008
1904.0     17.937    0.002      36.123    0.007
1905.0     17.938    0.002      36.127    0.007
1906.0     17.939    0.002      36.131    0.007
1907.0     17.941    0.002      36.135    0.007
1908.0     17.942    0.002      36.139    0.007
1909.0     17.944    0.002      36.143    0.007
1910.0     17.945    0.002      36.147    0.007
1911.0     17.947    0.002      36.151    0.007
1912.0     17.948    0.002      36.155    0.007
1913.0     17.950    0.002      36.158    0.007
1914.0     17.951    0.002      36.162    0.007
1915.0     17.953    0.002      36.166    0.007
1916.0     17.954    0.002      36.170    0.007
1917.0     17.956    0.002      36.174    0.007
1918.0     17.957    0.002      36.178    0.006
1919.0     17.959    0.002      36.182    0.006
1920.0     17.960    0.002      36.186    0.006
1921.0     17.962    0.002      36.190    0.006
1922.0     17.963    0.002      36.194    0.006
1923.0     17.965    0.002      36.198    0.006
1924.0     17.966    0.002      36.202    0.006
1925.0     17.968    0.002      36.206    0.006
1926.0     17.969    0.002      36.210    0.006
1927.0     17.970    0.002      36.214    0.006
1928.0     17.972    0.002      36.218    0.006
1929.0     17.973    0.002      36.222    0.006
1930.0     17.975    0.002      36.226    0.006
1931.0     17.976    0.002      36.230    0.006
1932.0     17.978    0.002      36.234    0.006
1933.0     17.979    0.002      36.238    0.005
1934.0     17.981    0.002      36.242    0.005
1935.0     17.982    0.002      36.246    0.005
1936.0     17.984    0.002      36.250    0.005
1937.0     17.985    0.002      36.254    0.005
1938.0     17.987    0.002      36.258    0.005
1939.0     17.988    0.002      36.262    0.005
1940.0     17.990    0.002      36.266    0.005
1941.0     17.991    0.002      36.270    0.005
1942.0     17.993    0.002      36.274    0.005
1943.0     17.994    0.002      36.278    0.005
1944.0     17.996    0.002      36.281    0.005
1945.0     17.997    0.002      36.285    0.005
1946.0     17.999    0.002      36.289    0.005
1947.0     18.000    0.001      36.293    0.005
1948.0     18.002    0.001      36.297    0.004
1949.0     18.003    0.001      36.301    0.004
1950.0     18.005    0.001      36.305    0.004
1951.0     18.006    0.001      36.309    0.004
1952.0     18.007    0.001      36.313    0.004
1953.0     18.009    0.001      36.317    0.004
1954.0     18.010    0.001      36.321    0.004
1955.0     18.012    0.001      36.325    0.004
1956.0     18.013    0.001      36.329    0.004
1957.0     18.015    0.001      36.333    0.004
1958.0     18.016    0.001      36.337    0.004
1959.0     18.018    0.001      36.341    0.004
1960.0     18.019    0.001      36.345    0.004
1961.0     18.021    0.001      36.349    0.004
1962.0     18.022    0.001      36.353    0.004
1963.0     18.024    0.001      36.357    0.004
1964.0     18.025    0.001      36.360    0.003
1965.0     18.027    0.001      36.364    0.003
1966.0     18.028    0.001      36.368    0.003
1967.0     18.030    0.001      36.372    0.003
1968.0     18.031    0.001      36.376    0.003
1969.0     18.033    0.001      36.380    0.003
1970.0     18.034    0.001      36.384    0.003
1971.0     18.036    0.001      36.388    0.003
1972.0     18.037    0.001      36.392    0.003
1973.0     18.039    0.001      36.396    0.003
1974.0     18.040    0.001      36.400    0.003
1975.0     18.042    0.001      36.404    0.003
1976.0     18.043    0.001      36.408    0.003
1977.0     18.045    0.001      36.412    0.003
1978.0     18.046    0.001      36.416    0.003
1979.0     18.047    0.001      36.420    0.002
1980.0     18.049    0.001      36.423    0.002
1981.0     18.050    0.001      36.427    0.002
1982.0     18.052    0.001      36.431    0.002
1983.0     18.053    0.001      36.435    0.002
1984.0     18.055    0.001      36.439    0.002
1985.0     18.056    0.001      36.443    0.002
1986.0     18.058    0.001      36.447    0.002
1987.0     18.059    0.001      36.451    0.002
1988.0     18.061    0.001      36.455    0.002
1989.0     18.062    0.001      36.459    0.002
1990.0     18.064    0.001      36.463    0.002
1991.0     18.065    0.001      36.467    0.002
1992.0     18.067    0.001      36.471    0.002
1993.0     18.068    0.000      36.475    0.002
1994.0     18.070    0.000      36.478    0.001
1995.0     18.071    0.000      36.482    0.001
1996.0     18.073    0.000      36.486    0.001
1997.0     18.074    0.000      36.490    0.001
1998.0     18.076    0.000      36.494    0.001
1999.0     18.077    0.000      36.498    0.001
2000.0     18.079    0.000      36.502    0.001
2001.0     18.080    0.000      36.506    0.001
2002.0     18.082    0.000      36.510    0.001
2003.0     18.083    0.000      36.514    0.001
2004.0     18.085    0.000      36.518    0.001
2005.0     18.086    0.000      36.522    0.001
2006.0     18.088    0.000      36.526    0.001
2007.0     18.089    0.000      36.529    0.001
2008.0     18.091    0.000      36.533    0.001
2009.0     18.092    0.000      36.537    0.000
2010.0     18.093    0.000      36.541    0.000
2011.0     18.095    0.000      36.545    0.000
2012.0     18.096    0.000      36.549    0.000
2013.0     18.098    0.000      36.553    0.000
2014.0     18.099    0.000      36.557    0.000
2015.0     18.101    0.000      36.561    0.000
2016.0     18.102    0.000      36.565    0.000
2017.0     18.104    0.000      36.569    0.000
2018.0     18.105    0.000      36.572    0.000
2019.0     18.107    0.000      36.576    0.000
2020.0     18.108    0.000      36.580    0.000
2021.0     18.110    0.000      36.584    0.000
2022.0     18.111    0.000      36.588    0.000
2023.0     18.113    0.000      36.592    0.000
2024.0     18.114    0.000      36.596    0.001
2025.0     18.116    0.000      36.600    0.001
2026.0     18.117    0.000      36.604    0.001
2027.0     18.119    0.000      36.608    0.001
2028.0     18.120    0.000      36.612    0.001
2029.0     18.122    0.000      36.615    0.001
2030.0     18.123    0.000      36.619    0.001
2031.0     18.125    0.000      36.623    0.001
2032.0     18.126    0.000      36.627    0.001
2033.0     18.128    0.000      36.631    0.001
2034.0     18.129    0.000      36.635    0.001
2035.0     18.131    0.000      36.639    0.001
2036.0     18.132    0.000      36.643    0.001
2037.0     18.134    0.000      36.647    0.001
2038.0     18.135    0.000      36.651    0.001
2039.0     18.137    0.000      36.654    0.002
2040.0     18.138    0.001      36.658    0.002
2041.0     18.140    0.001      36.662    0.002
2042.0     18.141    0.001      36.666    0.002
2043.0     18.143    0.001      36.670    0.002
2044.0     18.144    0.001      36.674    0.002
2045.0     18.146    0.001      36.678    0.002
2046.0     18.147    0.001      36.682    0.002
2047.0     18.148    0.001      36.686    0.002
2048.0     18.150    0.001      36.689    0.002
2049.0     18.151    0.001      36.693    0.002
2050.0     18.153    0.001      36.697    0.002
2051.0     18.154    0.001      36.701    0.002
2052.0     18.156    0.001      36.705    0.002
2053.0     18.157    0.001      36.709    0.002
2054.0     18.159    0.001      36.713    0.002
2055.0     18.160    0.001      36.717    0.003
2056.0     18.162    0.001      36.721    0.003
2057.0     18.163    0.001      36.724    0.003
2058.0     18.165    0.001      36.728    0.003
2059.0     18.166    0.001      36.732    0.003
2060.0     18.168    0.001      36.736    0.003
2061.0     18.169    0.001      36.740    0.003
2062.0     18.171    0.001      36.744    0.003
2063.0     18.172    0.001      36.748    0.003
2064.0     18.174    0.001      36.752    0.003
2065.0     18.175    0.001      36.756    0.003
2066.0     18.177    0.001      36.759    0.003
2067.0     18.178    0.001      36.763    0.003
2068.0     18.180    0.001      36.767    0.003
2069.0     18.181    0.001      36.771    0.003
2070.0     18.183    0.001      36.775    0.004
2071.0     18.184    0.001      36.779    0.004
2072.0     18.186    0.001      36.783    0.004
2073.0     18.187    0.001      36.787    0.004
2074.0     18.189    0.001      36.790    0.004
2075.0     18.190    0.001      36.794    0.004
2076.0     18.192    0.001      36.798    0.004
2077.0     18.193    0.001      36.802    0.004
2078.0     18.195    0.001      36.806    0.004
2079.0     18.196    0.001      36.810    0.004
2080.0     18.198    0.001      36.814    0.004
2081.0     18.199    0.001      36.818    0.004
2082.0     18.201    0.001      36.821    0.004
2083.0     18.202    0.001      36.825    0.004
2084.0     18.204    0.001      36.829    0.004
2085.0     18.205    0.001      36.833    0.005
2086.0     18.207    0.002      36.837    0.005
2087.0     18.208    0.002      36.841    0.005
2088.0     18.210    0.002      36.845    0.005
2089.0     18.211    0.002      36.848    0.005
2090.0     18.213    0.002      36.852    0.005
2091.0     18.214    0.002      36.856    0.005
2092.0     18.216    0.002      36.860    0.005
2093.0     18.217    0.002      36.864    0.005
2094.0     18.219    0.002      36.868    0.005
2095.0     18.220    0.002      36.872    0.005
2096.0     18.222    0.002      36.875    0.005
2097.0     18.223    0.002      36.879    0.005
2098.0     18.225    0.002      36.883    0.005
2099.0     18.226    0.002      36.887    0.005
2100.0     18.227    0.002      36.891    0.005


Measurements for STF 1458
 
WDS ID      Discovr     Comp  #    Sep      PA       Epoch      Obs  Telescope     Camera    Note
-------------------------------------------------------------------------------------------------
10395+3142  STF 1458          1    18.14"   NA       B2025.260  HWI  120/900 APO   ASI678MM  CAL


-- Image of STF-1458-taken with Equinox 120/900 APO --


WDS record for STF 1458
wds_id                       : 10395+3142
discoverer_code              : STF
discoverer_number            : 1458
discoverer_components        : 
date_first                   : 1830
date_last                    : 2021
num_of_obs                   : 36
pa_first                     : 215
pa_last                      : 217
sep_first                    : 17.7
sep_last                     : 18.1
mag_primary                  : 9.39
mag_secondary                : 9.39
spectral_type                : G0+G0
primary_proper_motion_RA     : -111
primary_proper_motion_DEC    : -36
secondary_proper_motion_RA   : -114
secondary_proper_motion_DEC  : -37
dm_number                    : +32 2064
notes                        : NT
precise_coordinate           : 103927.89+314218.0
                             : 10:39:27.89 +31:42:18.0

WDS Notes:
----------
N: Notes found in WDSNOT MEMO of WDS
T: Similar parallax/proper motion: physical



Parsed GAIA Input Data
Click to expand/collapse the Gaia Input Data:
Star A - gaiadr3.gaia_source
solution_id = 1636148068921376768
designation = Gaia DR3 736173925863826944
source_id = 736173925863826944
random_index = 843280223.0
ref_epoch = 2016.0
ra = 159.86209701492018
ra_error = 0.016550405
dec = 31.700796636075992
dec_error = 0.013919553
parallax = 14.450856637147211
parallax_error = 0.019392123
parallax_over_error = 745.1921
pm = 118.43818
pmra = -112.72679678764733
pmra_error = 0.018834375
pmdec = -36.33553436921471
pmdec_error = 0.015643835
ra_dec_corr = -0.033335906
ra_parallax_corr = -0.101586714
ra_pmra_corr = -0.16966769
ra_pmdec_corr = -0.090662204
dec_parallax_corr = -0.10067461
dec_pmra_corr = -0.13016321
dec_pmdec_corr = -0.23500784
parallax_pmra_corr = 0.31297836
parallax_pmdec_corr = -0.21144487
pmra_pmdec_corr = -0.17207146
astrometric_n_obs_al = 247
astrometric_n_obs_ac = 247
astrometric_n_good_obs_al = 244
astrometric_n_bad_obs_al = 3
astrometric_gof_al = 4.082144
astrometric_chi2_al = 668.89716
astrometric_excess_noise = 0.118457675
astrometric_excess_noise_sig = 14.341426
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.5385013
astrometric_matched_transits = 28
visibility_periods_used = 18
astrometric_sigma5d_max = 0.027434023
matched_transits = 28
new_matched_transits = 14
matched_transits_removed = 0
ipd_gof_harmonic_amplitude = 0.0040640887
ipd_gof_harmonic_phase = 110.656944
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 1.1909293
duplicated_source = false
phot_g_n_obs = 244
phot_g_mean_flux = 3954694.4655116596
phot_g_mean_flux_error = 1272.3887
phot_g_mean_flux_over_error = 3108.087
phot_g_mean_mag = 9.194585
phot_bp_n_obs = 27
phot_bp_mean_flux = 2055670.4974031516
phot_bp_mean_flux_error = 2056.3306
phot_bp_mean_flux_over_error = 999.679
phot_bp_mean_mag = 9.556158
phot_rp_n_obs = 27
phot_rp_mean_flux = 2712385.2420297544
phot_rp_mean_flux_error = 2053.26
phot_rp_mean_flux_over_error = 1321.014
phot_rp_mean_mag = 8.664517
phot_bp_rp_excess_factor = 1.2056698
phot_bp_n_contaminated_transits = 0
phot_bp_n_blended_transits = 15
phot_rp_n_contaminated_transits = 0
phot_rp_n_blended_transits = 0
phot_proc_mode = 0
bp_rp = 0.89164066
bp_g = 0.36157322
g_rp = 0.53006744
radial_velocity = 7.725007
radial_velocity_error = 0.15634185
rv_method_used = 1
rv_nb_transits = 10
rv_nb_deblended_transits = 4
rv_visibility_periods_used = 9
rv_expected_sig_to_noise = 121.31813
rv_renormalised_gof = -1.1221573
rv_chisq_pvalue = 0.77289295
rv_time_duration = 906.2315
rv_amplitude_robust = 0.809906
rv_template_teff = 5750.0
rv_template_logg = 4.5
rv_template_fe_h = 0.25
rv_atm_param_origin = 222
vbroad = 7.176884
vbroad_error = 1.130886
vbroad_nb_transits = 6
grvs_mag = 8.472803
grvs_mag_error = 0.015943883
grvs_mag_nb_transits = 6
phot_variable_flag = NOT_AVAILABLE
l = 195.85956895580185
b = 61.0067167042036
ecl_lon = 149.11569125726328
ecl_lat = 21.444928380877414
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 = 1.2558453e-13
classprob_dsc_combmod_galaxy = 6.272884e-13
classprob_dsc_combmod_star = 0.9976672
teff_gspphot = 5491.621
teff_gspphot_lower = 5485.5254
teff_gspphot_upper = 5497.672
logg_gspphot = 4.4047
logg_gspphot_lower = 4.4032
logg_gspphot_upper = 4.4071
mh_gspphot = 0.0107
mh_gspphot_lower = -0.0014
mh_gspphot_upper = 0.017
distance_gspphot = 69.0201
distance_gspphot_lower = 68.8483
distance_gspphot_upper = 69.234
azero_gspphot = 0.0172
azero_gspphot_lower = 0.0141
azero_gspphot_upper = 0.0216
ag_gspphot = 0.0142
ag_gspphot_lower = 0.0116
ag_gspphot_upper = 0.0179
ebpminrp_gspphot = 0.0076
ebpminrp_gspphot_lower = 0.0062
ebpminrp_gspphot_upper = 0.0095
libname_gspphot = MARCS
    Star B - gaiadr3.gaia_source
solution_id = 1636148068921376768
designation = Gaia DR3 736174028943041920
source_id = 736174028943041920
random_index = 50177670.0
ref_epoch = 2016.0
ra = 159.86561806546783
ra_error = 0.01546438
dec = 31.704835355912792
dec_error = 0.013188542
parallax = 14.42930736876812
parallax_error = 0.01799568
parallax_over_error = 801.8206
pm = 116.50745
pmra = -110.84557646995607
pmra_error = 0.017272117
pmdec = -35.87817617855615
pmdec_error = 0.0145500945
ra_dec_corr = -0.0238915
ra_parallax_corr = -0.08080945
ra_pmra_corr = -0.28821242
ra_pmdec_corr = -0.06506405
dec_parallax_corr = -0.058370292
dec_pmra_corr = -0.1063853
dec_pmdec_corr = -0.38011986
parallax_pmra_corr = 0.32247332
parallax_pmdec_corr = -0.30636436
pmra_pmdec_corr = -0.14303836
astrometric_n_obs_al = 249
astrometric_n_obs_ac = 249
astrometric_n_good_obs_al = 244
astrometric_n_bad_obs_al = 5
astrometric_gof_al = 1.5179809
astrometric_chi2_al = 538.4735
astrometric_excess_noise = 0.098050386
astrometric_excess_noise_sig = 10.147824
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.5400928
astrometric_matched_transits = 28
visibility_periods_used = 17
astrometric_sigma5d_max = 0.025431415
matched_transits = 28
new_matched_transits = 16
matched_transits_removed = 2
ipd_gof_harmonic_amplitude = 0.005485221
ipd_gof_harmonic_phase = 39.923393
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 1.0688019
duplicated_source = false
phot_g_n_obs = 240
phot_g_mean_flux = 3914873.223497558
phot_g_mean_flux_error = 2073.0483
phot_g_mean_flux_over_error = 1888.4622
phot_g_mean_mag = 9.205573
phot_bp_n_obs = 26
phot_bp_mean_flux = 2042671.7641013043
phot_bp_mean_flux_error = 3519.6655
phot_bp_mean_flux_over_error = 580.3596
phot_bp_mean_mag = 9.5630455
phot_rp_n_obs = 26
phot_rp_mean_flux = 2677137.1738624373
phot_rp_mean_flux_error = 2845.7266
phot_rp_mean_flux_over_error = 940.757
phot_rp_mean_mag = 8.678719
phot_bp_rp_excess_factor = 1.2056097
phot_bp_n_contaminated_transits = 0
phot_bp_n_blended_transits = 15
phot_rp_n_contaminated_transits = 0
phot_rp_n_blended_transits = 15
phot_proc_mode = 0
bp_rp = 0.88432693
bp_g = 0.35747242
g_rp = 0.5268545
radial_velocity = 8.259936
radial_velocity_error = 0.18139654
rv_method_used = 1
rv_nb_transits = 8
rv_nb_deblended_transits = 3
rv_visibility_periods_used = 7
rv_expected_sig_to_noise = 110.985344
rv_renormalised_gof = -0.55551183
rv_chisq_pvalue = 0.5756432
rv_time_duration = 906.2315
rv_amplitude_robust = 0.89777136
rv_template_teff = 5750.0
rv_template_logg = 4.5
rv_template_fe_h = 0.25
rv_atm_param_origin = 222
grvs_mag = 8.491081
grvs_mag_error = 0.0072538434
grvs_mag_nb_transits = 4
phot_variable_flag = VARIABLE
l = 195.85118149538314
b = 61.009676229177266
ecl_lon = 149.1168982346634
ecl_lat = 21.449829727618383
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 = 1.1961469e-13
classprob_dsc_combmod_galaxy = 5.974694e-13
classprob_dsc_combmod_star = 0.9982583
teff_gspphot = 5545.3613
teff_gspphot_lower = 5508.7324
teff_gspphot_upper = 5607.1123
logg_gspphot = 4.4663
logg_gspphot_lower = 4.4555
logg_gspphot_upper = 4.4847
mh_gspphot = 0.0355
mh_gspphot_lower = -0.0118
mh_gspphot_upper = 0.0958
distance_gspphot = 69.1065
distance_gspphot_lower = 68.9046
distance_gspphot_upper = 69.3344
azero_gspphot = 0.0371
azero_gspphot_lower = 0.0147
azero_gspphot_upper = 0.0771
ag_gspphot = 0.0307
ag_gspphot_lower = 0.0121
ag_gspphot_upper = 0.064
ebpminrp_gspphot = 0.0164
ebpminrp_gspphot_lower = 0.0064
ebpminrp_gspphot_upper = 0.0341
libname_gspphot = MARCS
- gaiadr3.astrophysical_parameters
solution_id = 1636148068921376768
source_id = 736173925863826944
classprob_dsc_combmod_quasar = 1.2558453e-13
classprob_dsc_combmod_galaxy = 6.272884e-13
classprob_dsc_combmod_star = 0.9976672
classprob_dsc_combmod_whitedwarf = 2.46507e-12
classprob_dsc_combmod_binarystar = 0.0023327759
classprob_dsc_specmod_quasar = 0.0
classprob_dsc_specmod_galaxy = 0.0
classprob_dsc_specmod_star = 0.81048465
classprob_dsc_specmod_whitedwarf = 0.0
classprob_dsc_specmod_binarystar = 0.18951534
classprob_dsc_allosmod_quasar = 0.0
classprob_dsc_allosmod_galaxy = 0.0
classprob_dsc_allosmod_star = 1.0
teff_gspphot = 5491.621
teff_gspphot_lower = 5485.5254
teff_gspphot_upper = 5497.672
logg_gspphot = 4.4047
logg_gspphot_lower = 4.4032
logg_gspphot_upper = 4.4071
mh_gspphot = 0.0107
mh_gspphot_lower = -0.0014
mh_gspphot_upper = 0.017
distance_gspphot = 69.0201
distance_gspphot_lower = 68.8483
distance_gspphot_upper = 69.234
azero_gspphot = 0.0172
azero_gspphot_lower = 0.0141
azero_gspphot_upper = 0.0216
ag_gspphot = 0.0142
ag_gspphot_lower = 0.0116
ag_gspphot_upper = 0.0179
abp_gspphot = 0.0179
abp_gspphot_lower = 0.0146
abp_gspphot_upper = 0.0225
arp_gspphot = 0.0103
arp_gspphot_lower = 0.0084
arp_gspphot_upper = 0.013
ebpminrp_gspphot = 0.0076
ebpminrp_gspphot_lower = 0.0062
ebpminrp_gspphot_upper = 0.0095
mg_gspphot = 4.9744
mg_gspphot_lower = 4.9643
mg_gspphot_upper = 4.9812
radius_gspphot = 0.9596
radius_gspphot_lower = 0.9578
radius_gspphot_upper = 0.9613
logposterior_gspphot = -2672.2134
mcmcaccept_gspphot = 0.42664576
libname_gspphot = MARCS
teff_gspspec = 5799.0
teff_gspspec_lower = 5766.0
teff_gspspec_upper = 6000.0
logg_gspspec = 5.05
logg_gspspec_lower = 5.02
logg_gspspec_upper = 5.5
mh_gspspec = 0.0
mh_gspspec_lower = -0.01
mh_gspspec_upper = 0.01
alphafe_gspspec = 0.09
alphafe_gspspec_lower = 0.0
alphafe_gspspec_upper = 0.12
dibqf_gspspec = -2
flags_gspspec = 00000011000009999999999999999999999999999
logchisq_gspspec = -3.288469
ew_espels_halpha = 0.029736523
ew_espels_halpha_uncertainty = 0.0203218
ew_espels_halpha_flag = 0
ew_espels_halpha_model = 0.080203
flags_esphs = 91
spectraltype_esphs = G
activityindex_espcs = 0.024822019
activityindex_espcs_uncertainty = 0.00034195464
activityindex_espcs_input = M2
radius_flame = 0.9594204
radius_flame_lower = 0.93991107
radius_flame_upper = 0.97895896
lum_flame = 0.7543399
lum_flame_lower = 0.74879843
lum_flame_upper = 0.7601307
mass_flame = 0.8870231
mass_flame_lower = 0.84689444
mass_flame_upper = 0.9271538
age_flame = 11.093206
age_flame_lower = 9.619195
age_flame_upper = 12.560215
flags_flame = 00
evolstage_flame = 315
gravredshift_flame = 0.56481373
gravredshift_flame_lower = 0.5636808
gravredshift_flame_upper = 0.56775796
bc_flame = 0.061579105
mh_msc = -0.23722708
mh_msc_upper = 0.041137338
mh_msc_lower = -0.31740353
azero_msc = 0.0031008387
azero_msc_upper = 0.021088736
azero_msc_lower = 0.0
distance_msc = 75.07135
distance_msc_upper = 76.76767
distance_msc_lower = 74.20351
teff_msc1 = 5800.0938
teff_msc1_upper = 5803.3896
teff_msc1_lower = 5788.0723
teff_msc2 = 4625.2314
teff_msc2_upper = 4672.409
teff_msc2_lower = 4586.296
logg_msc1 = 4.7982903
logg_msc1_upper = 4.8155327
logg_msc1_lower = 4.725568
logg_msc2 = 4.6523542
logg_msc2_upper = 4.8907824
logg_msc2_lower = 4.526326
ag_msc = 0.0025551014
ag_msc_upper = 0.01738338
ag_msc_lower = 0.0
logposterior_msc = -4568.54
mcmcaccept_msc = 0.24264917
mcmcdrift_msc = 0.5704458
flags_msc = 1
neuron_oa_id = 2.0210528120544058e+17
neuron_oa_dist = 8.583565e-06
neuron_oa_dist_percentile_rank = 95
flags_oa = 0003
    - gaiadr3.astrophysical_parameters
solution_id = 1636148068921376768
source_id = 736174028943041920
classprob_dsc_combmod_quasar = 1.1961469e-13
classprob_dsc_combmod_galaxy = 5.974694e-13
classprob_dsc_combmod_star = 0.9982583
classprob_dsc_combmod_whitedwarf = 2.3478892e-12
classprob_dsc_combmod_binarystar = 0.0017417321
classprob_dsc_specmod_quasar = 0.0
classprob_dsc_specmod_galaxy = 0.0
classprob_dsc_specmod_star = 0.8514392
classprob_dsc_specmod_whitedwarf = 0.0
classprob_dsc_specmod_binarystar = 0.14856084
classprob_dsc_allosmod_quasar = 0.0
classprob_dsc_allosmod_galaxy = 0.0
classprob_dsc_allosmod_star = 1.0
teff_gspphot = 5545.3613
teff_gspphot_lower = 5508.7324
teff_gspphot_upper = 5607.1123
logg_gspphot = 4.4663
logg_gspphot_lower = 4.4555
logg_gspphot_upper = 4.4847
mh_gspphot = 0.0355
mh_gspphot_lower = -0.0118
mh_gspphot_upper = 0.0958
distance_gspphot = 69.1065
distance_gspphot_lower = 68.9046
distance_gspphot_upper = 69.3344
azero_gspphot = 0.0371
azero_gspphot_lower = 0.0147
azero_gspphot_upper = 0.0771
ag_gspphot = 0.0307
ag_gspphot_lower = 0.0121
ag_gspphot_upper = 0.064
abp_gspphot = 0.0386
abp_gspphot_lower = 0.0152
abp_gspphot_upper = 0.0803
arp_gspphot = 0.0223
arp_gspphot_lower = 0.0088
arp_gspphot_upper = 0.0463
ebpminrp_gspphot = 0.0164
ebpminrp_gspphot_lower = 0.0064
ebpminrp_gspphot_upper = 0.0341
mg_gspphot = 4.9662
mg_gspphot_lower = 4.9288
mg_gspphot_upper = 4.9857
radius_gspphot = 0.9414
radius_gspphot_lower = 0.9345
radius_gspphot_upper = 0.9488
logposterior_gspphot = -2483.4802
mcmcaccept_gspphot = 0.4152978
libname_gspphot = MARCS
teff_gspspec = 5780.0
teff_gspspec_lower = 5747.0
teff_gspspec_upper = 6000.0
logg_gspspec = 5.02
logg_gspspec_lower = 5.0
logg_gspspec_upper = 5.5
mh_gspspec = -0.02
mh_gspspec_lower = -0.04
mh_gspspec_upper = 0.0
alphafe_gspspec = 0.1
alphafe_gspspec_lower = 0.0
alphafe_gspspec_upper = 0.12
dibqf_gspspec = -2
flags_gspspec = 00000011000009999999999999999999999999999
logchisq_gspspec = -3.278784
ew_espels_halpha = 0.06430738
ew_espels_halpha_uncertainty = 0.022171268
ew_espels_halpha_flag = 0
ew_espels_halpha_model = 0.086313
flags_esphs = 91
spectraltype_esphs = G
activityindex_espcs = 0.027594637
activityindex_espcs_uncertainty = 0.00034441717
activityindex_espcs_input = M2
radius_flame = 0.9414797
radius_flame_lower = 0.9217504
radius_flame_upper = 0.962876
lum_flame = 0.75555074
lum_flame_lower = 0.7460975
lum_flame_upper = 0.77185977
mass_flame = 0.9230487
mass_flame_lower = 0.87637043
mass_flame_upper = 0.9765359
age_flame = 7.4791527
age_flame_lower = 4.3647614
age_flame_upper = 10.085881
flags_flame = 00
evolstage_flame = 287
gravredshift_flame = 0.63799596
gravredshift_flame_lower = 0.627726
gravredshift_flame_upper = 0.65960646
bc_flame = 0.06853279
mh_msc = -0.59512043
mh_msc_upper = -0.4426285
mh_msc_lower = -0.8487078
azero_msc = 0.09355587
azero_msc_upper = 0.13485034
azero_msc_lower = 0.03181015
distance_msc = 74.34375
distance_msc_upper = 76.46594
distance_msc_lower = 71.416046
teff_msc1 = 5510.667
teff_msc1_upper = 5626.575
teff_msc1_lower = 5423.4404
teff_msc2 = 4907.491
teff_msc2_upper = 4999.9375
teff_msc2_lower = 4828.004
logg_msc1 = 4.5897636
logg_msc1_upper = 4.737459
logg_msc1_lower = 4.4671593
logg_msc2 = 4.504223
logg_msc2_upper = 4.5643663
logg_msc2_lower = 4.4562626
ag_msc = 0.07645239
ag_msc_upper = 0.1097652
ag_msc_lower = 0.02655898
logposterior_msc = -4584.216
mcmcaccept_msc = 0.27883056
mcmcdrift_msc = 0.23372743
flags_msc = 1
neuron_oa_id = 2.0210528120544058e+17
neuron_oa_dist = 7.731888e-06
neuron_oa_dist_percentile_rank = 95
flags_oa = 0003




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 17:33:12 +0200



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