Double Star Calculator - Results


STF 2522 - Astrometric and kinematic properties
Gaia Source ID - Star A          : 2026436974121335424     Simbad
Gaia Source ID - Star B          : 2026436974121336576     Simbad
Observation Epoch : J2024.658 / 2024-08-29 Angular Separation : 4.524 ± 0.0003 arcsec Position Angle : 338.07 ± 0.0030 degree
Star A/B Epoch : J2016.000 / J2016.000 Angular Separation : 4.525 < 0.0001 arcsec Position Angle : 338.10 ± 0.0002 degree Projected Separation : 1464 au Spatial Separation : 1.60 ± 3.29 pc Spatial Separation : 5.22 ± 10.74 ly Parallax Significance : 0.49 σ 3D Space Velocity Angle : 10.71 ± 12.09 degree ΔProper Motion Angle : 0.83 ± 0.14 degree ΔTotal Proper Motion : 0.19 ± 0.03 mas/yr ΔTangential Velocity : 0.38 ± 0.20 km/s ΔRadial Velocity : 4.86 ± 6.14 km/s ΔSpeed (scalar) : 2.29 ± 3.58 km/s ΔRelative Velocity (3D) : 4.88 ± 6.11 km/s

Aladin Lite Sky Atlas



Star A - Stellar Data
Gaia Source ID                   : 2026436974121335424           VizieR
Epoch : J2016.000 Right Ascension (RA) : 19h 25m 48.02s Declination (Dec) : 28° 45' 34.05" Distance : 324.27 ± 2.64 pc Distance : 1057.63 ± 8.61 ly Magnitude (G-band) : 7.71 mag Absolute Magnitude : 0.15 ± 0.02 mag Stellar Extinction : N/A Spectral Type (BP/RP) : B Bolometric correction : -1.34 mag Luminosity : 234.59 + 3.85 / − 3.79 L☉ Log(Luminosity) : 2.37031 Teff (bp_rp) : 15000.00 K Log(Teff) : 4.17609 Mass estimation : 3.97 M☉ RUWE : 1.02 Position Angle of Proper Motion : 75.46 ± 0.11 degree Total Proper Motion : 12.75 ± 0.02 mas/yr Tangential Velocity : 19.60 ± 0.16 km/s Radial Velocity (Gaia) : -9.98 ± 2.82 km/s Space Velocity : 21.99 ± 1.29 km/s

Star A - Selected astrophysical parameters
DSC-Combmod binary star          :       0.00
DSC-Specmod binary star          :       0.09
Spectral type from ESP-ELS       :          B

Star A - Double Star Quality Metrics
Parallax over error :    122.868 : very good
RUWE                :      1.020 : good astrometric fit (single star)
Non Single Star     :            : Single Star
Duplicated source   :       true : possible close pair or data artifact
G magnitude         :      7.709 : G > 3 mag, photometry reliable
Excess noise        :      0.211 : Good fit
  Significance      :     37.383 :   Minor noise, likely negligible
BP-RP excess factor :      1.168 : photometry consistent
Visibility periods  :         26 : high, indicates well observed star
IPD multi-peak frac :         0% : single peak detected
IDP GoF harmonic amp:      0.010 : unobtrusive (single star source)


Star B - Stellar Data
Gaia Source ID                   : 2026436974121336576           VizieR
Epoch : J2016.000 Right Ascension (RA) : 19h 25m 47.90s Declination (Dec) : 28° 45' 38.25" Distance : 322.67 ± 1.97 pc Distance : 1052.40 ± 6.42 ly Magnitude (G-band) : 8.91 mag Absolute Magnitude : 0.98 ± 0.01 mag Stellar Extinction : 0.39 ± <0.01 mag Spectral Type (BP/RP) : B Bolometric correction : -1.34 mag Luminosity : 110.06 + 1.43 / − 1.42 L☉ Log(Luminosity) : 2.04163 Effective temperature (Teff) : 10385.91 +43.01 / -46.83 K Log(Teff) : 4.01644 Mass estimation : 3.28 M☉ RUWE : 0.96 Position Angle of Proper Motion : 76.29 ± 0.09 degree Total Proper Motion : 12.56 ± 0.02 mas/yr Tangential Velocity : 19.21 ± 0.12 km/s Radial Velocity (Gaia) : -14.84 ± 5.46 km/s Space Velocity : 24.28 ± 3.34 km/s

Star B - Selected astrophysical parameters
DSC-Combmod binary star          :       0.00
DSC-Specmod binary star          :       0.15
Radius from GSP-Phot Aeneas      :       2.12  ±   0.02          R☉
Spectral type from ESP-ELS       :          B
Radius of the star from FLAME    :       2.10  ±   0.05          R☉
Bolometric correction            :      -0.41                    mag
Luminosity of the star (FLAME)   :      46.19  ±   0.75          L☉
Mass of the star from FLAME      :       2.50  ±   0.04          M☉
FLAME quality indicators         :         00
  Quality                        :       OK
  Source                         :       Parallax used
Evolutionary stage from FLAME    :        171      Main Sequence (early)

Star B - Double Star Quality Metrics
Parallax over error :    163.938 : very good
RUWE                :      0.960 : good astrometric fit (single star)
Non Single Star     :            : Single Star
Duplicated source   :       true : possible close pair or data artifact
G magnitude         :      8.912 : G > 3 mag, photometry reliable
Excess noise        :      0.150 : Good fit
  Significance      :     27.915 :   Minor noise, likely negligible
BP-RP excess factor :      1.173 : photometry consistent
Visibility periods  :         27 : high, indicates well observed star
IPD multi-peak frac :         0% : single peak detected
IDP GoF harmonic amp:      0.008 : 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 :        0.43     (Moderate)
COMOV: Distance Evidence Indicator :        0.23     (Weak)
Co-Moving Total Evidence Indicator :        0.32     (Moderate)

rPM/COMOV Agreement                :                 (Low)

Binarity

Separation, Sigma and Reliability  :
===================================
Projected Separation               :        1464     au
Spatial Separation                 :      330374  ±   679075  au
  1-Sigma Range                    : [      1464,    1009449] au
  Significance                     :        0.49     σ
  Note: 3D distance not significantly resolved

3D spatial distance probabilities : =================================== P(D-3D <= 2927 au) : 0.1 % (2.0 * D-projected) P(D-3D <= 10000 au) : 0.7 % (Wide binary) P(D-3D <= 20000 au) : 1.4 % (Very wide binary) P(D-3D <= 50000 au) : 3.8 % (Extremely wide) P(D-3D <= 206265 au) : 16.5 % (Jacobi radius)

Proper Motion and Velocity         :
===================================
rPM (Proper Motion Ratio)          :        0.02     (CPM)
ΔRelative Velocity (3D)            :        4.88  ±  6.11   km/s

UWLE for Wide Binaries (3D)        :
===================================
WBS: Velocity Evidence Indicator   :        0.01     (Unlikely)
WBS: Distance Evidence Indicator   :        0.02     (Unlikely)
Binarity Total Evidence Indicator  :        0.02     (Unlikely)


UWLE for Wide Binaries (2D)        :
===================================
WBS: Velocity Evidence Indicator   :        0.15     (Weak)
WBS: Distance Evidence Indicator   :        0.03     (Unlikely)
Binarity Total Evidence Indicator  :        0.07     (Unlikely)
UWLE Evidence Indicators - Parametrization:
===========================================
Mode                 Condition  s0         v0              Δx         Uncertainty
---------------------------------------------------------------------------------
Co-Moving                -         1.0 pc    5 km/s        spatial    σspatial
Wide Binaries (3D)       -      20,000 au  ∝√1/dspatial     spatial    σspatial
Wide Binaries (2D)   RI < 3.0   20,000 au  ∝√1/dprojected   projected  σspatial
Tight Binaries (2D)  RI < 3.0    1,000 au  ∝√1/dprojected   projected  σprojected

RUWE parameters
RUWE probability for a binary system (Star A) :  1.02 : Zero
RUWE probability for a binary system (Star B) :  0.96 : 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      4.543    0.004     338.403    0.040
1901.0      4.543    0.004     338.400    0.040
1902.0      4.543    0.004     338.398    0.039
1903.0      4.543    0.004     338.395    0.039
1904.0      4.543    0.003     338.393    0.039
1905.0      4.542    0.003     338.390    0.038
1906.0      4.542    0.003     338.387    0.038
1907.0      4.542    0.003     338.385    0.038
1908.0      4.542    0.003     338.382    0.037
1909.0      4.542    0.003     338.379    0.037
1910.0      4.542    0.003     338.377    0.037
1911.0      4.542    0.003     338.374    0.036
1912.0      4.541    0.003     338.371    0.036
1913.0      4.541    0.003     338.369    0.036
1914.0      4.541    0.003     338.366    0.035
1915.0      4.541    0.003     338.364    0.035
1916.0      4.541    0.003     338.361    0.035
1917.0      4.541    0.003     338.358    0.034
1918.0      4.540    0.003     338.356    0.034
1919.0      4.540    0.003     338.353    0.033
1920.0      4.540    0.003     338.350    0.033
1921.0      4.540    0.003     338.348    0.033
1922.0      4.540    0.003     338.345    0.032
1923.0      4.540    0.003     338.342    0.032
1924.0      4.540    0.003     338.340    0.032
1925.0      4.539    0.003     338.337    0.031
1926.0      4.539    0.003     338.335    0.031
1927.0      4.539    0.003     338.332    0.031
1928.0      4.539    0.003     338.329    0.030
1929.0      4.539    0.003     338.327    0.030
1930.0      4.539    0.003     338.324    0.030
1931.0      4.538    0.003     338.321    0.029
1932.0      4.538    0.003     338.319    0.029
1933.0      4.538    0.003     338.316    0.029
1934.0      4.538    0.003     338.313    0.028
1935.0      4.538    0.003     338.311    0.028
1936.0      4.538    0.002     338.308    0.028
1937.0      4.537    0.002     338.306    0.027
1938.0      4.537    0.002     338.303    0.027
1939.0      4.537    0.002     338.300    0.027
1940.0      4.537    0.002     338.298    0.026
1941.0      4.537    0.002     338.295    0.026
1942.0      4.537    0.002     338.292    0.026
1943.0      4.537    0.002     338.290    0.025
1944.0      4.536    0.002     338.287    0.025
1945.0      4.536    0.002     338.284    0.025
1946.0      4.536    0.002     338.282    0.024
1947.0      4.536    0.002     338.279    0.024
1948.0      4.536    0.002     338.276    0.024
1949.0      4.536    0.002     338.274    0.023
1950.0      4.535    0.002     338.271    0.023
1951.0      4.535    0.002     338.269    0.022
1952.0      4.535    0.002     338.266    0.022
1953.0      4.535    0.002     338.263    0.022
1954.0      4.535    0.002     338.261    0.021
1955.0      4.535    0.002     338.258    0.021
1956.0      4.534    0.002     338.255    0.021
1957.0      4.534    0.002     338.253    0.020
1958.0      4.534    0.002     338.250    0.020
1959.0      4.534    0.002     338.247    0.020
1960.0      4.534    0.002     338.245    0.019
1961.0      4.534    0.002     338.242    0.019
1962.0      4.534    0.002     338.239    0.019
1963.0      4.533    0.002     338.237    0.018
1964.0      4.533    0.002     338.234    0.018
1965.0      4.533    0.002     338.232    0.018
1966.0      4.533    0.002     338.229    0.017
1967.0      4.533    0.002     338.226    0.017
1968.0      4.533    0.001     338.224    0.017
1969.0      4.532    0.001     338.221    0.016
1970.0      4.532    0.001     338.218    0.016
1971.0      4.532    0.001     338.216    0.016
1972.0      4.532    0.001     338.213    0.015
1973.0      4.532    0.001     338.210    0.015
1974.0      4.532    0.001     338.208    0.015
1975.0      4.531    0.001     338.205    0.014
1976.0      4.531    0.001     338.202    0.014
1977.0      4.531    0.001     338.200    0.013
1978.0      4.531    0.001     338.197    0.013
1979.0      4.531    0.001     338.194    0.013
1980.0      4.531    0.001     338.192    0.012
1981.0      4.531    0.001     338.189    0.012
1982.0      4.530    0.001     338.186    0.012
1983.0      4.530    0.001     338.184    0.011
1984.0      4.530    0.001     338.181    0.011
1985.0      4.530    0.001     338.179    0.011
1986.0      4.530    0.001     338.176    0.010
1987.0      4.530    0.001     338.173    0.010
1988.0      4.529    0.001     338.171    0.010
1989.0      4.529    0.001     338.168    0.009
1990.0      4.529    0.001     338.165    0.009
1991.0      4.529    0.001     338.163    0.009
1992.0      4.529    0.001     338.160    0.008
1993.0      4.529    0.001     338.157    0.008
1994.0      4.529    0.001     338.155    0.008
1995.0      4.528    0.001     338.152    0.007
1996.0      4.528    0.001     338.149    0.007
1997.0      4.528    0.001     338.147    0.007
1998.0      4.528    0.001     338.144    0.006
1999.0      4.528    0.001     338.141    0.006
2000.0      4.528    0.000     338.139    0.006
2001.0      4.527    0.000     338.136    0.005
2002.0      4.527    0.000     338.133    0.005
2003.0      4.527    0.000     338.131    0.005
2004.0      4.527    0.000     338.128    0.004
2005.0      4.527    0.000     338.126    0.004
2006.0      4.527    0.000     338.123    0.003
2007.0      4.526    0.000     338.120    0.003
2008.0      4.526    0.000     338.118    0.003
2009.0      4.526    0.000     338.115    0.002
2010.0      4.526    0.000     338.112    0.002
2011.0      4.526    0.000     338.110    0.002
2012.0      4.526    0.000     338.107    0.001
2013.0      4.526    0.000     338.104    0.001
2014.0      4.525    0.000     338.102    0.001
2015.0      4.525    0.000     338.099    0.000
2016.0      4.525    0.000     338.096    0.000
2017.0      4.525    0.000     338.094    0.000
2018.0      4.525    0.000     338.091    0.001
2019.0      4.525    0.000     338.088    0.001
2020.0      4.524    0.000     338.086    0.001
2021.0      4.524    0.000     338.083    0.002
2022.0      4.524    0.000     338.080    0.002
2023.0      4.524    0.000     338.078    0.002
2024.0      4.524    0.000     338.075    0.003
2025.0      4.524    0.000     338.072    0.003
2026.0      4.524    0.000     338.070    0.003
2027.0      4.523    0.000     338.067    0.004
2028.0      4.523    0.000     338.064    0.004
2029.0      4.523    0.000     338.062    0.005
2030.0      4.523    0.000     338.059    0.005
2031.0      4.523    0.000     338.056    0.005
2032.0      4.523    0.000     338.054    0.006
2033.0      4.522    0.001     338.051    0.006
2034.0      4.522    0.001     338.048    0.006
2035.0      4.522    0.001     338.046    0.007
2036.0      4.522    0.001     338.043    0.007
2037.0      4.522    0.001     338.041    0.007
2038.0      4.522    0.001     338.038    0.008
2039.0      4.521    0.001     338.035    0.008
2040.0      4.521    0.001     338.033    0.008
2041.0      4.521    0.001     338.030    0.009
2042.0      4.521    0.001     338.027    0.009
2043.0      4.521    0.001     338.025    0.009
2044.0      4.521    0.001     338.022    0.010
2045.0      4.521    0.001     338.019    0.010
2046.0      4.520    0.001     338.017    0.010
2047.0      4.520    0.001     338.014    0.011
2048.0      4.520    0.001     338.011    0.011
2049.0      4.520    0.001     338.009    0.011
2050.0      4.520    0.001     338.006    0.012
2051.0      4.520    0.001     338.003    0.012
2052.0      4.519    0.001     338.001    0.012
2053.0      4.519    0.001     337.998    0.013
2054.0      4.519    0.001     337.995    0.013
2055.0      4.519    0.001     337.993    0.014
2056.0      4.519    0.001     337.990    0.014
2057.0      4.519    0.001     337.987    0.014
2058.0      4.519    0.001     337.985    0.015
2059.0      4.518    0.001     337.982    0.015
2060.0      4.518    0.001     337.979    0.015
2061.0      4.518    0.001     337.977    0.016
2062.0      4.518    0.001     337.974    0.016
2063.0      4.518    0.001     337.971    0.016
2064.0      4.518    0.001     337.969    0.017
2065.0      4.517    0.002     337.966    0.017
2066.0      4.517    0.002     337.963    0.017
2067.0      4.517    0.002     337.961    0.018
2068.0      4.517    0.002     337.958    0.018
2069.0      4.517    0.002     337.955    0.018
2070.0      4.517    0.002     337.953    0.019
2071.0      4.516    0.002     337.950    0.019
2072.0      4.516    0.002     337.947    0.019
2073.0      4.516    0.002     337.945    0.020
2074.0      4.516    0.002     337.942    0.020
2075.0      4.516    0.002     337.939    0.020
2076.0      4.516    0.002     337.937    0.021
2077.0      4.516    0.002     337.934    0.021
2078.0      4.515    0.002     337.931    0.022
2079.0      4.515    0.002     337.929    0.022
2080.0      4.515    0.002     337.926    0.022
2081.0      4.515    0.002     337.923    0.023
2082.0      4.515    0.002     337.921    0.023
2083.0      4.515    0.002     337.918    0.023
2084.0      4.514    0.002     337.915    0.024
2085.0      4.514    0.002     337.913    0.024
2086.0      4.514    0.002     337.910    0.024
2087.0      4.514    0.002     337.907    0.025
2088.0      4.514    0.002     337.905    0.025
2089.0      4.514    0.002     337.902    0.025
2090.0      4.514    0.002     337.899    0.026
2091.0      4.513    0.002     337.897    0.026
2092.0      4.513    0.002     337.894    0.026
2093.0      4.513    0.002     337.891    0.027
2094.0      4.513    0.002     337.889    0.027
2095.0      4.513    0.002     337.886    0.027
2096.0      4.513    0.002     337.883    0.028
2097.0      4.512    0.003     337.881    0.028
2098.0      4.512    0.003     337.878    0.029
2099.0      4.512    0.003     337.875    0.029
2100.0      4.512    0.003     337.873    0.029




Measurements for STF 2522

WDS ID      Discovr     Comp  #    Sep      PA       Epoch      Obs  Telescope     Camera    Note
-------------------------------------------------------------------------------------------------
19258+2846  STF 2522          1    4.44"    --       B2024.663  HWI  120/900 APO   ASI678MM  

-- Image of STF-2522-taken with Equinox 120/900 APO --


WDS record for STF 2522
wds_id                       : 19258+2846
discoverer_code              : STF
discoverer_number            : 2522
discoverer_components        : 
date_first                   : 1830
date_last                    : 2021
num_of_obs                   : 40
pa_first                     : 339
pa_last                      : 345
sep_first                    : 4.4
sep_last                     : 4.5
mag_primary                  : 7.74
mag_secondary                : 8.79
spectral_type                : A0
primary_proper_motion_RA     : 17
primary_proper_motion_DEC    : -13
secondary_proper_motion_RA   : 12
secondary_proper_motion_DEC  : 4
dm_number                    : +28 3328
notes                        : 
precise_coordinate           : 192548.01+284534.0
                             : 19:25:48.01 +28:45:34.0



Parsed GAIA Input Data
Click to expand/collapse the Gaia Input Data:
Star A - gaiadr3.gaia_source
solution_id = 1636148068921376768
designation = Gaia DR3 2026436974121335424
source_id = 2026436974121335424
random_index = 1636067936
ref_epoch = 2016.0
ra = 291.45009806677535
ra_error = 0.016221846
dec = 28.75945795954384
dec_error = 0.019582937
parallax = 3.0838532761558484
parallax_error = 0.025098821
parallax_over_error = 122.868454
pm = 12.748519
pmra = 12.340432404166709
pmra_error = 0.021437218
pmdec = 3.1997595034222686
pmdec_error = 0.025381094
ra_dec_corr = -0.14873655
ra_parallax_corr = -0.068984784
ra_pmra_corr = -0.073569216
ra_pmdec_corr = -0.03763209
dec_parallax_corr = 0.0680006
dec_pmra_corr = -0.051150396
dec_pmdec_corr = -0.08387851
parallax_pmra_corr = -0.03895305
parallax_pmdec_corr = -0.123318024
pmra_pmdec_corr = -0.18377063
astrometric_n_obs_al = 440
astrometric_n_obs_ac = 440
astrometric_n_good_obs_al = 435
astrometric_n_bad_obs_al = 5
astrometric_gof_al = 0.50196654
astrometric_chi2_al = 1884.3489
astrometric_excess_noise = 0.21096012
astrometric_excess_noise_sig = 37.383068
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.7274834
astrometric_matched_transits = 50
visibility_periods_used = 26
astrometric_sigma5d_max = 0.036326695
matched_transits = 53
new_matched_transits = 21
matched_transits_removed = 4
ipd_gof_harmonic_amplitude = 0.0097206645
ipd_gof_harmonic_phase = 156.33636
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 1.0163862
duplicated_source = true
phot_g_n_obs = 443
phot_g_mean_flux = 15539786.212375706
phot_g_mean_flux_error = 4452.5537
phot_g_mean_flux_over_error = 3490.084
phot_g_mean_mag = 7.708754
phot_bp_n_obs = 48
phot_bp_mean_flux = 11052196.539259115
phot_bp_mean_flux_error = 4835.828
phot_bp_mean_flux_over_error = 2285.4817
phot_bp_mean_mag = 7.729921
phot_rp_n_obs = 45
phot_rp_mean_flux = 7090538.712283312
phot_rp_mean_flux_error = 3133.1348
phot_rp_mean_flux_over_error = 2263.0813
phot_rp_mean_mag = 7.621197
phot_bp_rp_excess_factor = 1.1675023
phot_bp_n_contaminated_transits = 0
phot_bp_n_blended_transits = 48
phot_rp_n_contaminated_transits = 0
phot_rp_n_blended_transits = 45
phot_proc_mode = 0
bp_rp = 0.10872364
bp_g = 0.021166801
g_rp = 0.08755684
radial_velocity = -9.984218
radial_velocity_error = 2.8156826
rv_method_used = 1
rv_nb_transits = 24
rv_nb_deblended_transits = 0
rv_visibility_periods_used = 19
rv_expected_sig_to_noise = 300.91077
rv_renormalised_gof = 12.089735
rv_chisq_pvalue = 0.6547776
rv_time_duration = 919.7891
rv_amplitude_robust = 8.766457
rv_template_teff = 9000.0
rv_template_logg = 4.0
rv_template_fe_h = 0.25
rv_atm_param_origin = 555
vbroad = 300.8218
vbroad_error = 13.504915
vbroad_nb_transits = 24
grvs_mag = 7.5590034
grvs_mag_error = 0.018225076
grvs_mag_nb_transits = 25
rvs_spec_sig_to_noise = 342.7925
phot_variable_flag = NOT_AVAILABLE
l = 62.30630823994951
b = 5.903140458708473
ecl_lon = 299.9130685929135
ecl_lat = 49.99502025754793
in_qso_candidates = false
in_galaxy_candidates = false
non_single_star = 0
has_xp_continuous = true
has_xp_sampled = true
has_rvs = true
has_epoch_photometry = false
has_epoch_rv = false
has_mcmc_gspphot = false
has_mcmc_msc = true
in_andromeda_survey = false
classprob_dsc_combmod_quasar = 1.1167628e-13
classprob_dsc_combmod_galaxy = 5.5781736e-13
classprob_dsc_combmod_star = 0.9990446
    Star B - gaiadr3.gaia_source
solution_id = 1636148068921376768
designation = Gaia DR3 2026436974121336576
source_id = 2026436974121336576
random_index = 1224044102
ref_epoch = 2016.0
ra = 291.4495631726824
ra_error = 0.012582938
dec = 28.76062418748283
dec_error = 0.014645206
parallax = 3.0991611371773966
parallax_error = 0.018904472
parallax_over_error = 163.93799
pm = 12.561754
pmra = 12.204032764646955
pmra_error = 0.016507404
pmdec = 2.9764479076700088
pmdec_error = 0.018827235
ra_dec_corr = -0.027689768
ra_parallax_corr = -0.010480222
ra_pmra_corr = -0.17265949
ra_pmdec_corr = -0.0031974593
dec_parallax_corr = 0.11376329
dec_pmra_corr = -0.012757674
dec_pmdec_corr = -0.19936615
parallax_pmra_corr = -0.08179088
parallax_pmdec_corr = -0.08280842
pmra_pmdec_corr = -0.069506235
astrometric_n_obs_al = 424
astrometric_n_obs_ac = 424
astrometric_n_good_obs_al = 419
astrometric_n_bad_obs_al = 5
astrometric_gof_al = -1.0461379
astrometric_chi2_al = 1485.686
astrometric_excess_noise = 0.14985886
astrometric_excess_noise_sig = 27.914564
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.7138312
astrometric_matched_transits = 48
visibility_periods_used = 27
astrometric_sigma5d_max = 0.026449846
matched_transits = 54
new_matched_transits = 22
matched_transits_removed = 1
ipd_gof_harmonic_amplitude = 0.007617849
ipd_gof_harmonic_phase = 55.30556
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 0.96307015
duplicated_source = true
phot_g_n_obs = 381
phot_g_mean_flux = 5132646.255744615
phot_g_mean_flux_error = 1336.8545
phot_g_mean_flux_over_error = 3839.3455
phot_g_mean_mag = 8.911513
phot_bp_n_obs = 25
phot_bp_mean_flux = 3601873.6339116893
phot_bp_mean_flux_error = 5732.483
phot_bp_mean_flux_over_error = 628.32697
phot_bp_mean_mag = 8.947221
phot_rp_n_obs = 24
phot_rp_mean_flux = 2419296.910464334
phot_rp_mean_flux_error = 5086.0947
phot_rp_mean_flux_over_error = 475.66885
phot_rp_mean_mag = 8.788672
phot_bp_rp_excess_factor = 1.1731123
phot_bp_n_contaminated_transits = 0
phot_bp_n_blended_transits = 25
phot_rp_n_contaminated_transits = 0
phot_rp_n_blended_transits = 24
phot_proc_mode = 0
bp_rp = 0.15854836
bp_g = 0.035707474
g_rp = 0.12284088
radial_velocity = -14.844494
radial_velocity_error = 5.459504
rv_method_used = 1
rv_nb_transits = 11
rv_nb_deblended_transits = 6
rv_visibility_periods_used = 8
rv_expected_sig_to_noise = 115.85012
rv_renormalised_gof = 12.419252
rv_chisq_pvalue = 0.0
rv_time_duration = 811.13837
rv_amplitude_robust = 46.142952
rv_template_teff = 9000.0
rv_template_logg = 4.5
rv_template_fe_h = 0.25
rv_atm_param_origin = 555
grvs_mag = 8.720021
grvs_mag_error = 0.017202439
grvs_mag_nb_transits = 5
rvs_spec_sig_to_noise = 131.49803
phot_variable_flag = NOT_AVAILABLE
l = 62.307125741359016
b = 5.904098960999514
ecl_lon = 299.9127685875958
ecl_lat = 49.99626234092444
in_qso_candidates = false
in_galaxy_candidates = false
non_single_star = 0
has_xp_continuous = true
has_xp_sampled = true
has_rvs = true
has_epoch_photometry = false
has_epoch_rv = false
has_mcmc_gspphot = true
has_mcmc_msc = true
in_andromeda_survey = false
classprob_dsc_combmod_quasar = 1.1952646e-13
classprob_dsc_combmod_galaxy = 5.9702867e-13
classprob_dsc_combmod_star = 0.9982671
teff_gspphot = 10385.913
teff_gspphot_lower = 10339.083
teff_gspphot_upper = 10428.924
logg_gspphot = 4.0404
logg_gspphot_lower = 4.031
logg_gspphot_upper = 4.061
mh_gspphot = -1.4195
mh_gspphot_lower = -1.4647
mh_gspphot_upper = -1.0603
distance_gspphot = 326.7285
distance_gspphot_lower = 324.1289
distance_gspphot_upper = 329.4622
azero_gspphot = 0.41
azero_gspphot_lower = 0.405
azero_gspphot_upper = 0.4147
ag_gspphot = 0.3918
ag_gspphot_lower = 0.387
ag_gspphot_upper = 0.3964
ebpminrp_gspphot = 0.2091
ebpminrp_gspphot_lower = 0.2065
ebpminrp_gspphot_upper = 0.2116
libname_gspphot = A
- gaiadr3.astrophysical_parameters
solution_id = 1636148068921376768
source_id = 2026436974121335424
classprob_dsc_combmod_quasar = 1.1167628e-13
classprob_dsc_combmod_galaxy = 5.5781736e-13
classprob_dsc_combmod_star = 0.9990446
classprob_dsc_combmod_whitedwarf = 7.661343e-09
classprob_dsc_combmod_binarystar = 0.000955404
classprob_dsc_specmod_quasar = 0.0
classprob_dsc_specmod_galaxy = 0.0
classprob_dsc_specmod_star = 0.91268134
classprob_dsc_specmod_whitedwarf = 3.494029e-05
classprob_dsc_specmod_binarystar = 0.08728379
classprob_dsc_allosmod_quasar = 0.0
classprob_dsc_allosmod_galaxy = 0.0
classprob_dsc_allosmod_star = 1.0
ew_espels_halpha = 0.3425361
ew_espels_halpha_uncertainty = 0.017456865
ew_espels_halpha_flag = 0
ew_espels_halpha_model = 0.370141
flags_esphs = 91
spectraltype_esphs = B
mh_msc = -0.10006495
mh_msc_upper = -0.09965241
mh_msc_lower = -0.10049246
azero_msc = 0.09985672
azero_msc_upper = 0.1008168
azero_msc_lower = 0.098407656
distance_msc = 217.92618
distance_msc_upper = 219.51141
distance_msc_lower = 216.47842
teff_msc1 = 7600.1562
teff_msc1_upper = 7603.6035
teff_msc1_lower = 7597.842
teff_msc2 = 7201.1377
teff_msc2_upper = 7209.6387
teff_msc2_lower = 7195.093
logg_msc1 = 3.8988276
logg_msc1_upper = 3.9040298
logg_msc1_lower = 3.8902636
logg_msc2 = 3.900248
logg_msc2_upper = 3.9017549
logg_msc2_lower = 3.8985648
ag_msc = 0.09034641
ag_msc_upper = 0.09121589
ag_msc_lower = 0.08901298
logposterior_msc = -117395.99
mcmcaccept_msc = 0.34081146
mcmcdrift_msc = 0.61968553
flags_msc = 1
    - gaiadr3.astrophysical_parameters
solution_id = 1636148068921376768
source_id = 2026436974121336576
classprob_dsc_combmod_quasar = 1.1952646e-13
classprob_dsc_combmod_galaxy = 5.9702867e-13
classprob_dsc_combmod_star = 0.9982671
classprob_dsc_combmod_whitedwarf = 2.6809628e-09
classprob_dsc_combmod_binarystar = 0.0017328612
classprob_dsc_specmod_quasar = 0.0
classprob_dsc_specmod_galaxy = 0.0
classprob_dsc_specmod_star = 0.8520753
classprob_dsc_specmod_whitedwarf = 1.1417036e-05
classprob_dsc_specmod_binarystar = 0.14791329
classprob_dsc_allosmod_quasar = 0.0
classprob_dsc_allosmod_galaxy = 0.0
classprob_dsc_allosmod_star = 1.0
teff_gspphot = 10385.913
teff_gspphot_lower = 10339.083
teff_gspphot_upper = 10428.924
logg_gspphot = 4.0404
logg_gspphot_lower = 4.031
logg_gspphot_upper = 4.061
mh_gspphot = -1.4195
mh_gspphot_lower = -1.4647
mh_gspphot_upper = -1.0603
distance_gspphot = 326.7285
distance_gspphot_lower = 324.1289
distance_gspphot_upper = 329.4622
azero_gspphot = 0.41
azero_gspphot_lower = 0.405
azero_gspphot_upper = 0.4147
ag_gspphot = 0.3918
ag_gspphot_lower = 0.387
ag_gspphot_upper = 0.3964
abp_gspphot = 0.4611
abp_gspphot_lower = 0.4555
abp_gspphot_upper = 0.4665
arp_gspphot = 0.252
arp_gspphot_lower = 0.2489
arp_gspphot_upper = 0.2549
ebpminrp_gspphot = 0.2091
ebpminrp_gspphot_lower = 0.2065
ebpminrp_gspphot_upper = 0.2116
mg_gspphot = 0.9232
mg_gspphot_lower = 0.9053
mg_gspphot_upper = 0.9425
radius_gspphot = 2.1232
radius_gspphot_lower = 2.106
radius_gspphot_upper = 2.1423
logposterior_gspphot = -1698.8663
mcmcaccept_gspphot = 0.43724138
libname_gspphot = A
teff_gspspec = 7974.0
teff_gspspec_lower = 7927.0
teff_gspspec_upper = 8707.0
logg_gspspec = 4.41
logg_gspspec_lower = 4.35
logg_gspspec_upper = 4.61
dibqf_gspspec = -1
flags_gspspec = 10210931000009999999999999999999999999999
logchisq_gspspec = -2.5477962
ew_espels_halpha = 0.48056856
ew_espels_halpha_uncertainty = 0.025659999
ew_espels_halpha_flag = 0
ew_espels_halpha_model = 0.465045
azero_esphs = 0.24760267
azero_esphs_uncertainty = 0.020044804
ag_esphs = 0.23636252
ag_esphs_uncertainty = 0.018952802
ebpminrp_esphs = 0.1256901
ebpminrp_esphs_uncertainty = 0.010100837
teff_esphs = 9573.999
teff_esphs_uncertainty = 86.621376
logg_esphs = 4.0364933
logg_esphs_uncertainty = 0.027061798
vsini_esphs = 39.614838
vsini_esphs_uncertainty = 1.5139269
flags_esphs = 02
spectraltype_esphs = B
radius_flame = 2.098697
radius_flame_lower = 2.0531726
radius_flame_upper = 2.143775
lum_flame = 46.192543
lum_flame_lower = 45.41668
lum_flame_upper = 46.916164
mass_flame = 2.497016
mass_flame_lower = 2.4552457
mass_flame_upper = 2.5386853
age_flame = 0.22328603
age_flame_lower = 0.2
age_flame_upper = 0.28804702
flags_flame = 00
evolstage_flame = 171
gravredshift_flame = 0.54210263
gravredshift_flame_lower = 0.5362518
gravredshift_flame_upper = 0.5700203
bc_flame = -0.4114869
mh_msc = -0.100159496
mh_msc_upper = -0.09925529
mh_msc_lower = -0.102158934
azero_msc = 0.09864343
azero_msc_upper = 0.106859185
azero_msc_lower = 0.092342176
distance_msc = 395.69254
distance_msc_upper = 402.61636
distance_msc_lower = 386.88852
teff_msc1 = 7598.248
teff_msc1_upper = 7610.26
teff_msc1_lower = 7584.3174
teff_msc2 = 7598.715
teff_msc2_upper = 7606.4346
teff_msc2_lower = 7586.415
logg_msc1 = 3.8938074
logg_msc1_upper = 3.9201574
logg_msc1_lower = 3.8731508
logg_msc2 = 3.9009538
logg_msc2_upper = 3.9096441
logg_msc2_lower = 3.8939657
ag_msc = 0.089918524
ag_msc_upper = 0.09740539
ag_msc_lower = 0.08422382
logposterior_msc = -28864.123
mcmcaccept_msc = 0.32861575
mcmcdrift_msc = 0.20921466
flags_msc = 1
neuron_oa_id = 202105281205440057
neuron_oa_dist = 2.6845148e-05
neuron_oa_dist_percentile_rank = 75
flags_oa = 0013




Observation Date:


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


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


Report Information
Double Star Calculator: Version 1.2 ($Rev: 2591 $)
Report created: 2026-09-09 08:38:59 +0200



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