☰Double Star Calculator - Results

STF 2896 - Astrometric and kinematic properties

Gaia Source ID - Star A          : 2205071673322137088     Simbad
Gaia Source ID - Star B          : 2205071673322136960     Simbad

Observation Epoch                :  J2025.715  /  2025-09-19
Angular Separation               :     21.302  ±   0.0006  arcsec
Position Angle                   :     241.09  ±   0.0009  degree

Star A/B Epoch                   :  J2016.000  /   J2016.000
Angular Separation               :     21.300  <   0.0001  arcsec
Position Angle                   :     241.09  ±   0.0001  degree 
Projected Separation             :      20854              au
Spatial Separation               :     115.18  ±    49.31  pc
  Spatial Separation             :     375.67  ±   160.82  ly
Parallax Significance            :       2.55              σ
3D Space Velocity Angle          :       5.34  ±     4.55  degree
ΔProper Motion Angle             :       4.80  ±     0.95  degree
ΔTotal Proper Motion             :       0.12  ±     0.06  mas/yr
ΔTangential Velocity             :       2.39  ±     0.84  km/s
ΔRadial Velocity                 :       0.50  ±     4.24  km/s
ΔSpeed (scalar)                  :       0.91  ±     3.48  km/s
ΔRelative Velocity (3D)          :       2.76  ±     1.00  km/s

Aladin Lite Sky Atlas

DSS color DSS blue 2MASS AllWISE

Star A - Stellar Data

Gaia Source ID                   : 2205071673322137088           VizieR

Epoch                            :  J2016.000
Right Ascension (RA)             :     22h 18m 27.80s
Declination (Dec)                :     63° 13' 22.41"
Distance                         :     921.45  ±  16.00          pc
Distance                         :    3005.38  ±  52.19          ly
Magnitude (G-band)               :       7.66                    mag
Absolute Magnitude               :      -2.16  ±   0.04          mag
Stellar Extinction               :        N/A
Spectral Type (BP/RP)            :          A
Bolometric correction            :       0.00                    mag
Luminosity                       :     575.34  + 20.33 / − 19.64   L☉
  Log(Luminosity)                :    2.75992
Teff (bp_rp)                     :    8750.00    K
  Log(Teff)                      :    3.94201
Mass estimation                  :       4.20                    M☉
RUWE                             :       1.01
Position Angle of Proper Motion  :     224.75  ±   0.40          degree
Total Proper Motion              :       3.29  ±   0.02          mas/yr
Tangential Velocity              :      14.35  ±   0.27          km/s
Radial Velocity (Simbad)         :     -23.50  ±   1.40          km/s
  Bibcode                        :                   2006AstL...32..759G
Space Velocity                   :      27.54  ±   1.20          km/s

Star A - Selected astrophysical parameters

DSC-Combmod binary star          :       0.00
DSC-Specmod binary star          :       0.00
Spectral type from ESP-ELS       :          B

Star A - Double Star Quality Metrics

Parallax over error :     57.589 : very good
RUWE                :      1.010 : good astrometric fit (single star)
Non Single Star     :            : Single Star
Duplicated source   :      false : single source
G magnitude         :      7.663 : G > 3 mag, photometry reliable
Excess noise        :      0.162 : Good fit
  Significance      :     18.450 :   Minor noise, likely negligible
BP-RP excess factor :      1.191 : photometry consistent
Visibility periods  :         26 : high, indicates well observed star
IPD multi-peak frac :         1% : mulitple peaks detected (possible double)
IDP GoF harmonic amp:      0.012 : unobtrusive (single star source)

Star B - Stellar Data

Gaia Source ID                   : 2205071673322136960           VizieR

Epoch                            :  J2016.000
Right Ascension (RA)             :     22h 18m 25.04s
Declination (Dec)                :     63° 13' 12.11"
Distance                         :    1036.63  ±  46.64          pc
Distance                         :    3381.05  ± 152.11          ly
Magnitude (G-band)               :       8.51                    mag
Absolute Magnitude               :      -2.99  ±   0.10          mag
Stellar Extinction               :       1.42  ±  <0.01          mag
Spectral Type (BP/RP)            :          A
Bolometric correction            :       0.00                    mag
Luminosity                       :    1238.80  + 116.67 / − 106.62   L☉
  Log(Luminosity)                :    3.09300
Effective temperature (Teff)     :   18699.18  +62.58 / -68.51   K
  Log(Teff)                      :    4.27182
Mass estimation                  :       4.95                    M☉
RUWE                             :       3.12
Position Angle of Proper Motion  :     229.55  ±   0.86          degree
Total Proper Motion              :       3.41  ±   0.05          mas/yr
Tangential Velocity              :      16.74  ±   0.79          km/s
Radial Velocity (Simbad)         :     -23.00  ±   4.00          km/s
  Bibcode                        :                   2007AN....328..889K
Space Velocity                   :      28.45  ±   3.27          km/s

Star B - Selected astrophysical parameters

DSC-Combmod binary star          :       0.00
DSC-Specmod binary star          :       0.00
Radius from GSP-Phot Aeneas      :      10.15  ±   0.07          R☉
Spectral type from ESP-ELS       :          B

Star B - Double Star Quality Metrics

Parallax over error :     22.227 : very good
RUWE                :      3.120 : poor astrometric fit, (possible double)
Non Single Star     :            : Single Star
Duplicated source   :       true : possible close pair or data artifact
G magnitude         :      8.508 : G > 3 mag, photometry reliable
Excess noise        :      0.472 : Good fit
  Significance      :    247.258 :   Minor noise, likely negligible
BP-RP excess factor :      1.189 : photometry consistent
Visibility periods  :         27 : high, indicates well observed star
IPD multi-peak frac :         0% : single peak detected
IDP GoF harmonic amp:      0.013 : 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 (T_eff) 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)          :        0.09     (CPM)

Co-Moving

UWLE for Co-Moving Pairs (3D)      :
===================================
COMOV: Velocity Evidence Indicator :        0.73     (Strong)
COMOV: Distance Evidence Indicator :        0.00     (Unlikely)
Co-Moving Total Evidence Indicator :        0.01     (Unlikely)

rPM/COMOV Agreement                :                 (Discrepant)

Binarity

Separation, Sigma and Reliability  :
===================================
Projected Separation               :       20854     au
Spatial Separation                 :      115.18  ±    49.31  pc
  1-Sigma Range                    : [     65.87,     164.49] pc
  Significance                     :        2.55     σ
  Note: 3D distance not significantly resolved

3D spatial distance probabilities :
===================================
P(D-3D <=      41708 au)           :        0.0      %  (2.0 * D-projected)
P(D-3D <=      50000 au)           :        0.0      %  (Extremely wide)
P(D-3D <=     206265 au)           :        0.0      %  (Jacobi radius)

Proper Motion and Velocity         :
===================================
rPM (Proper Motion Ratio)          :        0.09     (CPM)
ΔRelative Velocity (3D)            :        2.76  ±  1.00   km/s

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


UWLE for Wide Binaries (2D)        :
===================================
WBS: Velocity Evidence Indicator   :        0.00     (Unlikely)
WBS: Distance Evidence Indicator   :        0.00     (Unlikely)
Binarity Total Evidence Indicator  :        0.00     (Unlikely)

UWLE Evidence Indicators - Parametrization:
===========================================
Mode                 Condition  s0         v0              Δx         Uncertainty
---------------------------------------------------------------------------------
Co-Moving                -         1.0 pc    5 km/s        spatial    σ_spatial
Wide Binaries (3D)       -      20,000 au  ∝√1/d_spatial     spatial    σ_spatial
Wide Binaries (2D)   RI < 3.0   20,000 au  ∝√1/d_projected   projected  σ_spatial
Tight Binaries (2D)  RI < 3.0    1,000 au  ∝√1/d_projected   projected  σ_projected

RUWE parameters

RUWE probability for a binary system (Star A) :  1.01 : Zero
RUWE probability for a binary system (Star B) :  3.12 : High

Separation and position angle as a function of Julian Epoch

Note: Separation and position angle for different epochs are derived solely
from Gaia proper motion measurements; possible orbital motion is not considered.

-- For epoch J[1900-2100], computed using Gaia proper motions --

Click to expand/collapse - Separation and Position Angle for J-Epoch:

Epoch      Sep[″]   e_Sep[″]    PA[°]     e_PA[°]
-------------------------------------------------
1900.0     21.279    0.007     241.012    0.011
1901.0     21.279    0.007     241.012    0.011
1902.0     21.279    0.006     241.013    0.011
1903.0     21.279    0.006     241.014    0.011
1904.0     21.280    0.006     241.014    0.011
1905.0     21.280    0.006     241.015    0.011
1906.0     21.280    0.006     241.016    0.010
1907.0     21.280    0.006     241.016    0.010
1908.0     21.280    0.006     241.017    0.010
1909.0     21.281    0.006     241.018    0.010
1910.0     21.281    0.006     241.018    0.010
1911.0     21.281    0.006     241.019    0.010
1912.0     21.281    0.006     241.020    0.010
1913.0     21.281    0.006     241.020    0.010
1914.0     21.281    0.006     241.021    0.010
1915.0     21.282    0.006     241.021    0.010
1916.0     21.282    0.006     241.022    0.009
1917.0     21.282    0.006     241.023    0.009
1918.0     21.282    0.006     241.023    0.009
1919.0     21.282    0.006     241.024    0.009
1920.0     21.283    0.005     241.025    0.009
1921.0     21.283    0.005     241.025    0.009
1922.0     21.283    0.005     241.026    0.009
1923.0     21.283    0.005     241.027    0.009
1924.0     21.283    0.005     241.027    0.009
1925.0     21.284    0.005     241.028    0.009
1926.0     21.284    0.005     241.029    0.009
1927.0     21.284    0.005     241.029    0.008
1928.0     21.284    0.005     241.030    0.008
1929.0     21.284    0.005     241.031    0.008
1930.0     21.284    0.005     241.031    0.008
1931.0     21.285    0.005     241.032    0.008
1932.0     21.285    0.005     241.033    0.008
1933.0     21.285    0.005     241.033    0.008
1934.0     21.285    0.005     241.034    0.008
1935.0     21.285    0.005     241.035    0.008
1936.0     21.286    0.005     241.035    0.008
1937.0     21.286    0.004     241.036    0.007
1938.0     21.286    0.004     241.037    0.007
1939.0     21.286    0.004     241.037    0.007
1940.0     21.286    0.004     241.038    0.007
1941.0     21.286    0.004     241.039    0.007
1942.0     21.287    0.004     241.039    0.007
1943.0     21.287    0.004     241.040    0.007
1944.0     21.287    0.004     241.040    0.007
1945.0     21.287    0.004     241.041    0.007
1946.0     21.287    0.004     241.042    0.007
1947.0     21.288    0.004     241.042    0.007
1948.0     21.288    0.004     241.043    0.006
1949.0     21.288    0.004     241.044    0.006
1950.0     21.288    0.004     241.044    0.006
1951.0     21.288    0.004     241.045    0.006
1952.0     21.288    0.004     241.046    0.006
1953.0     21.289    0.004     241.046    0.006
1954.0     21.289    0.004     241.047    0.006
1955.0     21.289    0.003     241.048    0.006
1956.0     21.289    0.003     241.048    0.006
1957.0     21.289    0.003     241.049    0.006
1958.0     21.290    0.003     241.050    0.005
1959.0     21.290    0.003     241.050    0.005
1960.0     21.290    0.003     241.051    0.005
1961.0     21.290    0.003     241.052    0.005
1962.0     21.290    0.003     241.052    0.005
1963.0     21.291    0.003     241.053    0.005
1964.0     21.291    0.003     241.054    0.005
1965.0     21.291    0.003     241.054    0.005
1966.0     21.291    0.003     241.055    0.005
1967.0     21.291    0.003     241.056    0.005
1968.0     21.291    0.003     241.056    0.005
1969.0     21.292    0.003     241.057    0.004
1970.0     21.292    0.003     241.058    0.004
1971.0     21.292    0.003     241.058    0.004
1972.0     21.292    0.003     241.059    0.004
1973.0     21.292    0.002     241.059    0.004
1974.0     21.293    0.002     241.060    0.004
1975.0     21.293    0.002     241.061    0.004
1976.0     21.293    0.002     241.061    0.004
1977.0     21.293    0.002     241.062    0.004
1978.0     21.293    0.002     241.063    0.004
1979.0     21.293    0.002     241.063    0.004
1980.0     21.294    0.002     241.064    0.003
1981.0     21.294    0.002     241.065    0.003
1982.0     21.294    0.002     241.065    0.003
1983.0     21.294    0.002     241.066    0.003
1984.0     21.294    0.002     241.067    0.003
1985.0     21.295    0.002     241.067    0.003
1986.0     21.295    0.002     241.068    0.003
1987.0     21.295    0.002     241.069    0.003
1988.0     21.295    0.002     241.069    0.003
1989.0     21.295    0.002     241.070    0.003
1990.0     21.295    0.001     241.071    0.002
1991.0     21.296    0.001     241.071    0.002
1992.0     21.296    0.001     241.072    0.002
1993.0     21.296    0.001     241.073    0.002
1994.0     21.296    0.001     241.073    0.002
1995.0     21.296    0.001     241.074    0.002
1996.0     21.297    0.001     241.075    0.002
1997.0     21.297    0.001     241.075    0.002
1998.0     21.297    0.001     241.076    0.002
1999.0     21.297    0.001     241.076    0.002
2000.0     21.297    0.001     241.077    0.002
2001.0     21.298    0.001     241.078    0.001
2002.0     21.298    0.001     241.078    0.001
2003.0     21.298    0.001     241.079    0.001
2004.0     21.298    0.001     241.080    0.001
2005.0     21.298    0.001     241.080    0.001
2006.0     21.298    0.001     241.081    0.001
2007.0     21.299    0.001     241.082    0.001
2008.0     21.299    0.000     241.082    0.001
2009.0     21.299    0.000     241.083    0.001
2010.0     21.299    0.000     241.084    0.001
2011.0     21.299    0.000     241.084    0.000
2012.0     21.300    0.000     241.085    0.000
2013.0     21.300    0.000     241.086    0.000
2014.0     21.300    0.000     241.086    0.000
2015.0     21.300    0.000     241.087    0.000
2016.0     21.300    0.000     241.088    0.000
2017.0     21.300    0.000     241.088    0.000
2018.0     21.301    0.000     241.089    0.000
2019.0     21.301    0.000     241.090    0.000
2020.0     21.301    0.000     241.090    0.000
2021.0     21.301    0.000     241.091    0.000
2022.0     21.301    0.000     241.092    0.001
2023.0     21.302    0.000     241.092    0.001
2024.0     21.302    0.000     241.093    0.001
2025.0     21.302    0.001     241.094    0.001
2026.0     21.302    0.001     241.094    0.001
2027.0     21.302    0.001     241.095    0.001
2028.0     21.303    0.001     241.095    0.001
2029.0     21.303    0.001     241.096    0.001
2030.0     21.303    0.001     241.097    0.001
2031.0     21.303    0.001     241.097    0.001
2032.0     21.303    0.001     241.098    0.002
2033.0     21.303    0.001     241.099    0.002
2034.0     21.304    0.001     241.099    0.002
2035.0     21.304    0.001     241.100    0.002
2036.0     21.304    0.001     241.101    0.002
2037.0     21.304    0.001     241.101    0.002
2038.0     21.304    0.001     241.102    0.002
2039.0     21.305    0.001     241.103    0.002
2040.0     21.305    0.001     241.103    0.002
2041.0     21.305    0.001     241.104    0.002
2042.0     21.305    0.001     241.105    0.002
2043.0     21.305    0.002     241.105    0.003
2044.0     21.305    0.002     241.106    0.003
2045.0     21.306    0.002     241.107    0.003
2046.0     21.306    0.002     241.107    0.003
2047.0     21.306    0.002     241.108    0.003
2048.0     21.306    0.002     241.109    0.003
2049.0     21.306    0.002     241.109    0.003
2050.0     21.307    0.002     241.110    0.003
2051.0     21.307    0.002     241.111    0.003
2052.0     21.307    0.002     241.111    0.003
2053.0     21.307    0.002     241.112    0.003
2054.0     21.307    0.002     241.112    0.004
2055.0     21.307    0.002     241.113    0.004
2056.0     21.308    0.002     241.114    0.004
2057.0     21.308    0.002     241.114    0.004
2058.0     21.308    0.002     241.115    0.004
2059.0     21.308    0.002     241.116    0.004
2060.0     21.308    0.003     241.116    0.004
2061.0     21.309    0.003     241.117    0.004
2062.0     21.309    0.003     241.118    0.004
2063.0     21.309    0.003     241.118    0.004
2064.0     21.309    0.003     241.119    0.005
2065.0     21.309    0.003     241.120    0.005
2066.0     21.310    0.003     241.120    0.005
2067.0     21.310    0.003     241.121    0.005
2068.0     21.310    0.003     241.122    0.005
2069.0     21.310    0.003     241.122    0.005
2070.0     21.310    0.003     241.123    0.005
2071.0     21.310    0.003     241.124    0.005
2072.0     21.311    0.003     241.124    0.005
2073.0     21.311    0.003     241.125    0.005
2074.0     21.311    0.003     241.126    0.005
2075.0     21.311    0.003     241.126    0.006
2076.0     21.311    0.003     241.127    0.006
2077.0     21.312    0.003     241.128    0.006
2078.0     21.312    0.004     241.128    0.006
2079.0     21.312    0.004     241.129    0.006
2080.0     21.312    0.004     241.129    0.006
2081.0     21.312    0.004     241.130    0.006
2082.0     21.312    0.004     241.131    0.006
2083.0     21.313    0.004     241.131    0.006
2084.0     21.313    0.004     241.132    0.006
2085.0     21.313    0.004     241.133    0.007
2086.0     21.313    0.004     241.133    0.007
2087.0     21.313    0.004     241.134    0.007
2088.0     21.314    0.004     241.135    0.007
2089.0     21.314    0.004     241.135    0.007
2090.0     21.314    0.004     241.136    0.007
2091.0     21.314    0.004     241.137    0.007
2092.0     21.314    0.004     241.137    0.007
2093.0     21.315    0.004     241.138    0.007
2094.0     21.315    0.004     241.139    0.007
2095.0     21.315    0.005     241.139    0.007
2096.0     21.315    0.005     241.140    0.008
2097.0     21.315    0.005     241.141    0.008
2098.0     21.315    0.005     241.141    0.008
2099.0     21.316    0.005     241.142    0.008
2100.0     21.316    0.005     241.143    0.008

Measurements for STF 2896

 
WDS ID      Discovr     Comp  #    Sep      PA       Epoch      Obs  Telescope     Camera    Note
--------------------------------------------------------------------------------------------------
22185+6313  STF 2896          1    21.34"   241.3°   B2025.720  HWI  120/900 APO   ASI678MM

-- Image of STF-2896-taken with Equinox 120/900 APO --

WDS record for STF 2896

wds_id                       : 22185+6313
discoverer_code              : STF
discoverer_number            : 2896
discoverer_components        : 
date_first                   : 1828
date_last                    : 2015
num_of_obs                   : 30
pa_first                     : 243
pa_last                      : 241
sep_first                    : 20.0
sep_last                     : 21.3
mag_primary                  : 7.8
mag_secondary                : 8.57
spectral_type                : B0.5V
primary_proper_motion_RA     : -4
primary_proper_motion_DEC    : -4
secondary_proper_motion_RA   : -3
secondary_proper_motion_DEC  : -3
dm_number                    : +62 2061
notes                        : N
precise_coordinate           : 221827.80+631322.4
                             : 22:18:27.80 +63:13:22.4

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

Parsed GAIA Input Data

Click to expand/collapse the Gaia Input Data:

Star A - gaiadr3.gaia_source

solution_id = 1636148068921376768
designation = Gaia DR3 2205071673322137088
source_id = 2205071673322137088
random_index = 938037440
ref_epoch = 2016.0
ra = 334.6158241747513
ra_error = 0.016780699
dec = 63.22289204198827
dec_error = 0.017215
parallax = 1.0852418767416008
parallax_error = 0.018844467
parallax_over_error = 57.589417
pm = 3.2860603
pmra = -2.313528856177467
pmra_error = 0.02379562
pmdec = -2.3336189145197026
pmdec_error = 0.02241149
ra_dec_corr = -0.096584804
ra_parallax_corr = -0.043192245
ra_pmra_corr = 0.10109378
ra_pmdec_corr = -0.17739986
dec_parallax_corr = 0.16980323
dec_pmra_corr = -0.2081555
dec_pmdec_corr = 0.008571678
parallax_pmra_corr = -0.1260304
parallax_pmdec_corr = 0.029246837
pmra_pmdec_corr = -0.05006538
astrometric_n_obs_al = 345
astrometric_n_obs_ac = 345
astrometric_n_good_obs_al = 343
astrometric_n_bad_obs_al = 2
astrometric_gof_al = 0.3125253
astrometric_chi2_al = 998.9462
astrometric_excess_noise = 0.16208136
astrometric_excess_noise_sig = 18.44982
astrometric_params_solved = 31
astrometric_primary_flag = true
nu_eff_used_in_astrometry = 1.6534883
astrometric_matched_transits = 39
visibility_periods_used = 26
astrometric_sigma5d_max = 0.033588514
matched_transits = 44
new_matched_transits = 12
matched_transits_removed = 4
ipd_gof_harmonic_amplitude = 0.0123982895
ipd_gof_harmonic_phase = 60.135147
ipd_frac_multi_peak = 1
ipd_frac_odd_win = 0
ruwe = 1.0110543
duplicated_source = false
phot_g_n_obs = 367
phot_g_mean_flux = 16215247.264274072
phot_g_mean_flux_error = 4325.4688
phot_g_mean_flux_over_error = 3748.784
phot_g_mean_mag = 7.662558
phot_bp_n_obs = 41
phot_bp_mean_flux = 10247673.228193803
phot_bp_mean_flux_error = 7138.0146
phot_bp_mean_flux_over_error = 1435.6476
phot_bp_mean_mag = 7.811979
phot_rp_n_obs = 41
phot_rp_mean_flux = 9062993.11236087
phot_rp_mean_flux_error = 3610.1594
phot_rp_mean_flux_over_error = 2510.4136
phot_rp_mean_mag = 7.3547163
phot_bp_rp_excess_factor = 1.1908956
phot_bp_n_contaminated_transits = 0
phot_bp_n_blended_transits = 1
phot_rp_n_contaminated_transits = 0
phot_rp_n_blended_transits = 3
phot_proc_mode = 0
bp_rp = 0.45726252
bp_g = 0.14942074
g_rp = 0.30784178
phot_variable_flag = NOT_AVAILABLE
l = 106.66765665583569
b = 5.28903352517902
ecl_lon = 23.61206281366266
ecl_lat = 63.626860478350615
in_qso_candidates = false
in_galaxy_candidates = false
non_single_star = 0
has_xp_continuous = true
has_xp_sampled = true
has_rvs = false
has_epoch_photometry = false
has_epoch_rv = false
has_mcmc_gspphot = false
has_mcmc_msc = true
in_andromeda_survey = false
classprob_dsc_combmod_quasar = 6.955319e-09
classprob_dsc_combmod_galaxy = 5.1532335e-13
classprob_dsc_combmod_star = 0.99999785
radial_velocity = -23.5
radial_velocity_error = 1.4

Star B - gaiadr3.gaia_source

solution_id = 1636148068921376768
designation = Gaia DR3 2205071673322136960
source_id = 2205071673322136960
random_index = 1631751919
ref_epoch = 2016.0
ra = 334.6043290950339
ra_error = 0.038489576
dec = 63.220030998361906
dec_error = 0.04010196
parallax = 0.9646606625526113
parallax_error = 0.04340039
parallax_over_error = 22.227005
pm = 3.4066148
pmra = -2.5924857284497307
pmra_error = 0.052253842
pmdec = -2.209987000809818
pmdec_error = 0.05070646
ra_dec_corr = -0.11398023
ra_parallax_corr = 0.014462987
ra_pmra_corr = 0.12089365
ra_pmdec_corr = -0.20180885
dec_parallax_corr = 0.11658672
dec_pmra_corr = -0.2315647
dec_pmdec_corr = 0.082324736
parallax_pmra_corr = -0.19571285
parallax_pmdec_corr = 0.1038208
pmra_pmdec_corr = -0.11771522
astrometric_n_obs_al = 348
astrometric_n_obs_ac = 348
astrometric_n_good_obs_al = 346
astrometric_n_bad_obs_al = 2
astrometric_gof_al = 44.54834
astrometric_chi2_al = 9088.7
astrometric_excess_noise = 0.47204062
astrometric_excess_noise_sig = 247.2576
astrometric_params_solved = 31
astrometric_primary_flag = true
nu_eff_used_in_astrometry = 1.6481512
astrometric_matched_transits = 40
visibility_periods_used = 27
astrometric_sigma5d_max = 0.07694538
matched_transits = 47
new_matched_transits = 13
matched_transits_removed = 1
ipd_gof_harmonic_amplitude = 0.012921656
ipd_gof_harmonic_phase = 93.66015
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 3.1230435
duplicated_source = true
phot_g_n_obs = 356
phot_g_mean_flux = 7442148.023744796
phot_g_mean_flux_error = 2748.15
phot_g_mean_flux_over_error = 2708.0576
phot_g_mean_mag = 8.5081215
phot_bp_n_obs = 38
phot_bp_mean_flux = 4675407.855865591
phot_bp_mean_flux_error = 3180.929
phot_bp_mean_flux_over_error = 1469.8247
phot_bp_mean_mag = 8.663994
phot_rp_n_obs = 38
phot_rp_mean_flux = 4175988.0403374815
phot_rp_mean_flux_error = 2064.2979
phot_rp_mean_flux_over_error = 2022.9581
phot_rp_mean_mag = 8.195997
phot_bp_rp_excess_factor = 1.1893604
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 = 0.4679966
bp_g = 0.15587234
g_rp = 0.31212425
phot_variable_flag = VARIABLE
l = 106.661734404836
b = 5.28951613261522
ecl_lon = 23.599998656908685
ecl_lat = 63.629368604002124
in_qso_candidates = false
in_galaxy_candidates = false
non_single_star = 0
has_xp_continuous = true
has_xp_sampled = true
has_rvs = false
has_epoch_photometry = true
has_epoch_rv = false
has_mcmc_gspphot = true
has_mcmc_msc = true
in_andromeda_survey = false
classprob_dsc_combmod_quasar = 1.0311025e-13
classprob_dsc_combmod_galaxy = 5.150305e-13
classprob_dsc_combmod_star = 0.99999785
teff_gspphot = 18699.176
teff_gspphot_lower = 18630.666
teff_gspphot_upper = 18761.756
logg_gspphot = 3.3883
logg_gspphot_lower = 3.3823
logg_gspphot_upper = 3.3948
mh_gspphot = 0.0474
mh_gspphot_lower = 0.0251
mh_gspphot_upper = 0.0762
distance_gspphot = 1379.2551
distance_gspphot_lower = 1370.3718
distance_gspphot_upper = 1387.0533
azero_gspphot = 1.4929
azero_gspphot_lower = 1.4909
azero_gspphot_upper = 1.4949
ag_gspphot = 1.4225
ag_gspphot_lower = 1.4204
ag_gspphot_upper = 1.4246
ebpminrp_gspphot = 0.7738
ebpminrp_gspphot_lower = 0.7726
ebpminrp_gspphot_upper = 0.775
libname_gspphot = OB
radial_velocity = -23.0
radial_velocity_error = 4.0

- gaiadr3.astrophysical_parameters

solution_id = 1636148068921376768
source_id = 2205071673322137088
classprob_dsc_combmod_quasar = 6.955319e-09
classprob_dsc_combmod_galaxy = 5.1532335e-13
classprob_dsc_combmod_star = 0.99999785
classprob_dsc_combmod_whitedwarf = 2.1144115e-06
classprob_dsc_combmod_binarystar = 1.01120945e-10
classprob_dsc_specmod_quasar = 0.0006741584
classprob_dsc_specmod_galaxy = 0.0
classprob_dsc_specmod_star = 0.9888847
classprob_dsc_specmod_whitedwarf = 0.010441124
classprob_dsc_specmod_binarystar = 0.0
classprob_dsc_allosmod_quasar = 0.0
classprob_dsc_allosmod_galaxy = 0.0
classprob_dsc_allosmod_star = 1.0
ew_espels_halpha = 0.095521905
ew_espels_halpha_uncertainty = 0.017957905
ew_espels_halpha_flag = 0
ew_espels_halpha_model = 0.118803
azero_esphs = 1.6961675
azero_esphs_uncertainty = 0.013916045
ag_esphs = 1.6382836
ag_esphs_uncertainty = 0.012516596
ebpminrp_esphs = 0.8961974
ebpminrp_esphs_uncertainty = 0.0069119907
teff_esphs = 29187.512
teff_esphs_uncertainty = 244.95638
logg_esphs = 4.106059
logg_esphs_uncertainty = 0.03378821
vsini_esphs = 292.43066
vsini_esphs_uncertainty = 27.474472
flags_esphs = 01
spectraltype_esphs = B
mh_msc = -0.16630265
mh_msc_upper = 0.5
mh_msc_lower = -1.0
azero_msc = 0.42008328
azero_msc_upper = 1.2762909
azero_msc_lower = 0.0
distance_msc = 202.50406
distance_msc_upper = 325.2244
distance_msc_lower = 114.81561
teff_msc1 = 7643.214
teff_msc1_upper = 8000.0
teff_msc1_lower = 5942.037
teff_msc2 = 5952.3193
teff_msc2_upper = 7504.8535
teff_msc2_lower = 3668.2617
logg_msc1 = 3.7019625
logg_msc1_upper = 4.707767
logg_msc1_lower = 2.87074
logg_msc2 = 3.811148
logg_msc2_upper = 4.580847
logg_msc2_lower = 2.7318628
ag_msc = 0.374176
ag_msc_upper = 1.1187251
ag_msc_lower = 0.0
logposterior_msc = -25428.236
mcmcaccept_msc = 0.16902147
mcmcdrift_msc = 0.14928722
flags_msc = 1

- gaiadr3.astrophysical_parameters

solution_id = 1636148068921376768
source_id = 2205071673322136960
classprob_dsc_combmod_quasar = 1.0311025e-13
classprob_dsc_combmod_galaxy = 5.150305e-13
classprob_dsc_combmod_star = 0.99999785
classprob_dsc_combmod_whitedwarf = 2.1358774e-06
classprob_dsc_combmod_binarystar = 1.0106349e-10
classprob_dsc_specmod_quasar = 0.0
classprob_dsc_specmod_galaxy = 0.0
classprob_dsc_specmod_star = 0.9894469
classprob_dsc_specmod_whitedwarf = 0.010553122
classprob_dsc_specmod_binarystar = 0.0
classprob_dsc_allosmod_quasar = 0.0
classprob_dsc_allosmod_galaxy = 0.0
classprob_dsc_allosmod_star = 1.0
teff_gspphot = 18699.176
teff_gspphot_lower = 18630.666
teff_gspphot_upper = 18761.756
logg_gspphot = 3.3883
logg_gspphot_lower = 3.3823
logg_gspphot_upper = 3.3948
mh_gspphot = 0.0474
mh_gspphot_lower = 0.0251
mh_gspphot_upper = 0.0762
distance_gspphot = 1379.2551
distance_gspphot_lower = 1370.3718
distance_gspphot_upper = 1387.0533
azero_gspphot = 1.4929
azero_gspphot_lower = 1.4909
azero_gspphot_upper = 1.4949
ag_gspphot = 1.4225
ag_gspphot_lower = 1.4204
ag_gspphot_upper = 1.4246
abp_gspphot = 1.6917
abp_gspphot_lower = 1.6892
abp_gspphot_upper = 1.6941
arp_gspphot = 0.9179
arp_gspphot_lower = 0.9166
arp_gspphot_upper = 0.9192
ebpminrp_gspphot = 0.7738
ebpminrp_gspphot_lower = 0.7726
ebpminrp_gspphot_upper = 0.775
mg_gspphot = -3.69
mg_gspphot_lower = -3.7027
mg_gspphot_upper = -3.6754
radius_gspphot = 10.1486
radius_gspphot_lower = 10.075
radius_gspphot_upper = 10.2201
logposterior_gspphot = -2990.9263
mcmcaccept_gspphot = 0.41514108
libname_gspphot = OB
ew_espels_halpha = 0.1477033
ew_espels_halpha_uncertainty = 0.01832399
ew_espels_halpha_flag = 0
ew_espels_halpha_model = 0.159113
azero_esphs = 1.6220092
azero_esphs_uncertainty = 0.02060623
ag_esphs = 1.5570691
ag_esphs_uncertainty = 0.018430633
ebpminrp_esphs = 0.8486493
ebpminrp_esphs_uncertainty = 0.01014771
teff_esphs = 24672.018
teff_esphs_uncertainty = 941.16406
logg_esphs = 4.6245103
logg_esphs_uncertainty = 0.34861273
flags_esphs = 11
spectraltype_esphs = B
activityindex_espcs_input = M2
mh_msc = 0.09969701
mh_msc_upper = 0.10254693
mh_msc_lower = 0.09275381
azero_msc = 0.09889907
azero_msc_upper = 0.10992354
azero_msc_lower = 0.082847014
distance_msc = 195.18765
distance_msc_upper = 197.41406
distance_msc_lower = 192.16458
teff_msc1 = 7269.917
teff_msc1_upper = 7348.208
teff_msc1_lower = 7197.461
teff_msc2 = 6599.9746
teff_msc2_upper = 6604.8525
teff_msc2_lower = 6597.0596
logg_msc1 = 4.199981
logg_msc1_upper = 4.206037
logg_msc1_lower = 4.1942925
logg_msc2 = 4.296994
logg_msc2_upper = 4.319215
logg_msc2_lower = 4.2631006
ag_msc = 0.087780505
ag_msc_upper = 0.09761579
ag_msc_lower = 0.073441416
logposterior_msc = -8398.391
mcmcaccept_msc = 0.3339857
mcmcdrift_msc = 0.094191216
flags_msc = 1

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. This research has made use of the SIMBAD database, operated at CDS, Strasbourg, France.

Report Information

Double Star Calculator:		Version 1.2 ($Rev: 2591 $)
Report created:		2026-09-09 08:42:07 +0200