Double Star Calculator - Results


STF 2942 AB - Astrometric and kinematic properties
Gaia Source ID - Star A          : 1932184981928941696     Simbad
Gaia Source ID - Star B          : 1932184981928941568     Simbad
Observation Epoch : J2024.680 / 2024-09-06 Angular Separation : 2.881 ± 0.0004 arcsec Position Angle : 277.69 ± 0.0069 degree
Star A/B Epoch : J2016.000 / J2016.000 Angular Separation : 2.882 < 0.0001 arcsec Position Angle : 277.80 ± 0.0006 degree Projected Separation : 732 au Spatial Separation : 3.54 ± 2.98 pc Spatial Separation : 11.54 ± 9.73 ly Parallax Significance : 1.19 σ 3D Space Velocity Angle : 2.68 ± 2.31 degree ΔProper Motion Angle : 0.02 ± 0.08 degree ΔTotal Proper Motion : 0.65 ± 0.04 mas/yr ΔTangential Velocity : 0.29 ± 0.42 km/s ΔRadial Velocity : 2.22 ± 2.00 km/s ΔSpeed (scalar) : 1.01 ± 1.14 km/s ΔRelative Velocity (3D) : 2.23 ± 1.99 km/s

Aladin Lite Sky Atlas



Star A - Stellar Data
Gaia Source ID                   : 1932184981928941696           VizieR
Epoch : J2016.000 Right Ascension (RA) : 22h 44m 5.23s Declination (Dec) : 39° 27' 54.80" Distance : 255.76 ± 2.53 pc Distance : 834.17 ± 8.25 ly Magnitude (G-band) : 5.41 mag Absolute Magnitude : -1.63 ± 0.02 mag Stellar Extinction : N/A Spectral Type (BP/RP) : K Bolometric correction : -0.63 mag Luminosity : 630.38 + 12.59 / − 12.34 L☉ Log(Luminosity) : 2.79960 Teff (bp_rp) : 4800.00 K Log(Teff) : 3.68124 Mass estimation : 5.18 M☉ RUWE : 1.12 Position Angle of Proper Motion : 167.85 ± 0.07 degree Total Proper Motion : 28.99 ± 0.04 mas/yr Tangential Velocity : 35.15 ± 0.35 km/s Radial Velocity (Gaia) : -25.12 ± 0.13 km/s Space Velocity : 43.20 ± 0.29 km/s

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

Star A - Double Star Quality Metrics
Parallax over error :    101.129 : very good
RUWE                :      1.120 : good astrometric fit (single star)
Non Single Star     :            : Single Star
Duplicated source   :      false : single source
G magnitude         :      5.410 : G > 3 mag, photometry reliable
Excess noise        :      0.295 : Good fit
  Significance      :    162.056 :   Minor noise, likely negligible
BP-RP excess factor :      1.300 : photometry inconsistent
Visibility periods  :         19 : high, indicates well observed star
IPD multi-peak frac :         4% : mulitple peaks detected (possible double)
IDP GoF harmonic amp:      0.012 : unobtrusive (single star source)


Star B - Stellar Data
Gaia Source ID                   : 1932184981928941568           VizieR
Epoch : J2016.000 Right Ascension (RA) : 22h 44m 4.98s Declination (Dec) : 39° 27' 55.19" Distance : 252.22 ± 1.58 pc Distance : 822.63 ± 5.17 ly Magnitude (G-band) : 8.60 mag Absolute Magnitude : 1.59 ± 0.01 mag Stellar Extinction : N/A Spectral Type (BP/RP) : K Bolometric correction : -0.63 mag Luminosity : 32.37 + 0.41 / − 0.40 L☉ Log(Luminosity) : 1.51020 Teff (bp_rp) : 4800.00 K Log(Teff) : 3.68124 Mass estimation : 2.55 M☉ RUWE : 1.05 Position Angle of Proper Motion : 167.87 ± 0.04 degree Total Proper Motion : 29.64 ± 0.03 mas/yr Tangential Velocity : 35.44 ± 0.22 km/s Radial Velocity (Simbad) : -22.90 ± 2.00 km/s Bibcode : 1953GCRV..C......0W Space Velocity : 42.20 ± 1.10 km/s

Star B - Selected astrophysical parameters
DSC-Combmod binary star          :       0.00
DSC-Specmod binary star          :       0.02

Star B - Double Star Quality Metrics
Parallax over error :    159.212 : very good
RUWE                :      1.050 : good astrometric fit (single star)
Non Single Star     :            : Single Star
Duplicated source   :      false : single source
G magnitude         :      8.603 : G > 3 mag, photometry reliable
Excess noise        :      0.146 : Good fit
  Significance      :     16.394 :   Minor noise, likely negligible
BP-RP excess factor :      1.908 : photometry inconsistent
Visibility periods  :         20 : high, indicates well observed star
IPD multi-peak frac :         1% : mulitple peaks detected (possible double)
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 :        0.78     (Strong)
COMOV: Distance Evidence Indicator :        0.09     (Unlikely)
Co-Moving Total Evidence Indicator :        0.26     (Weak)

rPM/COMOV Agreement                :                 (Low)

Binarity

Separation, Sigma and Reliability  :
===================================
Projected Separation               :         732     au
Spatial Separation                 :      729786  ±   615541  au
  1-Sigma Range                    : [    114244,    1345327] au
  Significance                     :        1.19     σ
  Note: 3D distance not significantly resolved

3D spatial distance probabilities : =================================== P(D-3D <= 1464 au) : 0.0 % (2.0 * D-projected) P(D-3D <= 2500 au) : 0.1 % (Wide binary) P(D-3D <= 2747 au) : 0.1 % (D-critical) P(D-3D <= 10000 au) : 0.3 % (Wide binary) P(D-3D <= 20000 au) : 0.7 % (Very wide binary) P(D-3D <= 50000 au) : 1.9 % (Extremely wide) P(D-3D <= 206265 au) : 9.0 % (Jacobi radius)

Proper Motion and Velocity         :
===================================
rPM (Proper Motion Ratio)          :        0.02     (CPM)
ΔRelative Velocity (3D)            :        2.24  ±  1.99   km/s

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


UWLE for Wide Binaries (2D)        :
===================================
WBS: Velocity Evidence Indicator   :        0.47     (Moderate)
WBS: Distance Evidence Indicator   :        0.03     (Unlikely)
Binarity Total Evidence Indicator  :        0.12     (Weak)

UWLE for Tight Binaries (2D) : =================================== TBS: Velocity Evidence Indicator : 0.47 (Moderate) TBS: Distance Evidence Indicator : 0.58 (Moderate) Binarity Total Evidence Indicator : 0.52 (Moderate) Orbital & Binding Dynamics : ----------------------------------- Est. orbital period at lower bound : 6174.90 years Escape Velocity : 4.33 km/s (Bound) 3D Velocity Difference : 2.24 ± 1.99 km/s Circular Orbital Velocity : 3.06 km/s Binding Indicator η : 0.27 (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

RUWE parameters
RUWE probability for a binary system (Star A) :  1.12 : Zero
RUWE probability for a binary system (Star B) :  1.05 : 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      2.908    0.005     279.199    0.091
1901.0      2.908    0.005     279.187    0.090
1902.0      2.907    0.005     279.175    0.089
1903.0      2.907    0.005     279.163    0.089
1904.0      2.907    0.005     279.151    0.088
1905.0      2.907    0.005     279.139    0.087
1906.0      2.907    0.005     279.127    0.086
1907.0      2.906    0.005     279.115    0.085
1908.0      2.906    0.005     279.103    0.085
1909.0      2.906    0.005     279.091    0.084
1910.0      2.906    0.004     279.079    0.083
1911.0      2.905    0.004     279.067    0.082
1912.0      2.905    0.004     279.055    0.082
1913.0      2.905    0.004     279.043    0.081
1914.0      2.905    0.004     279.031    0.080
1915.0      2.904    0.004     279.019    0.079
1916.0      2.904    0.004     279.007    0.078
1917.0      2.904    0.004     278.995    0.078
1918.0      2.904    0.004     278.983    0.077
1919.0      2.904    0.004     278.971    0.076
1920.0      2.903    0.004     278.959    0.075
1921.0      2.903    0.004     278.947    0.075
1922.0      2.903    0.004     278.935    0.074
1923.0      2.903    0.004     278.923    0.073
1924.0      2.902    0.004     278.911    0.072
1925.0      2.902    0.004     278.899    0.071
1926.0      2.902    0.004     278.887    0.071
1927.0      2.902    0.004     278.875    0.070
1928.0      2.902    0.004     278.863    0.069
1929.0      2.901    0.004     278.851    0.068
1930.0      2.901    0.004     278.839    0.068
1931.0      2.901    0.004     278.827    0.067
1932.0      2.901    0.004     278.815    0.066
1933.0      2.900    0.004     278.803    0.065
1934.0      2.900    0.003     278.791    0.064
1935.0      2.900    0.003     278.779    0.064
1936.0      2.900    0.003     278.767    0.063
1937.0      2.900    0.003     278.755    0.062
1938.0      2.899    0.003     278.743    0.061
1939.0      2.899    0.003     278.731    0.060
1940.0      2.899    0.003     278.719    0.060
1941.0      2.899    0.003     278.707    0.059
1942.0      2.898    0.003     278.694    0.058
1943.0      2.898    0.003     278.682    0.057
1944.0      2.898    0.003     278.670    0.057
1945.0      2.898    0.003     278.658    0.056
1946.0      2.898    0.003     278.646    0.055
1947.0      2.897    0.003     278.634    0.054
1948.0      2.897    0.003     278.622    0.053
1949.0      2.897    0.003     278.610    0.053
1950.0      2.897    0.003     278.598    0.052
1951.0      2.896    0.003     278.586    0.051
1952.0      2.896    0.003     278.574    0.050
1953.0      2.896    0.003     278.562    0.050
1954.0      2.896    0.003     278.550    0.049
1955.0      2.896    0.003     278.538    0.048
1956.0      2.895    0.003     278.526    0.047
1957.0      2.895    0.003     278.514    0.046
1958.0      2.895    0.002     278.501    0.046
1959.0      2.895    0.002     278.489    0.045
1960.0      2.895    0.002     278.477    0.044
1961.0      2.894    0.002     278.465    0.043
1962.0      2.894    0.002     278.453    0.042
1963.0      2.894    0.002     278.441    0.042
1964.0      2.894    0.002     278.429    0.041
1965.0      2.893    0.002     278.417    0.040
1966.0      2.893    0.002     278.405    0.039
1967.0      2.893    0.002     278.393    0.039
1968.0      2.893    0.002     278.381    0.038
1969.0      2.893    0.002     278.369    0.037
1970.0      2.892    0.002     278.356    0.036
1971.0      2.892    0.002     278.344    0.035
1972.0      2.892    0.002     278.332    0.035
1973.0      2.892    0.002     278.320    0.034
1974.0      2.891    0.002     278.308    0.033
1975.0      2.891    0.002     278.296    0.032
1976.0      2.891    0.002     278.284    0.032
1977.0      2.891    0.002     278.272    0.031
1978.0      2.891    0.002     278.260    0.030
1979.0      2.890    0.002     278.248    0.029
1980.0      2.890    0.002     278.235    0.028
1981.0      2.890    0.001     278.223    0.028
1982.0      2.890    0.001     278.211    0.027
1983.0      2.890    0.001     278.199    0.026
1984.0      2.889    0.001     278.187    0.025
1985.0      2.889    0.001     278.175    0.024
1986.0      2.889    0.001     278.163    0.024
1987.0      2.889    0.001     278.151    0.023
1988.0      2.888    0.001     278.138    0.022
1989.0      2.888    0.001     278.126    0.021
1990.0      2.888    0.001     278.114    0.021
1991.0      2.888    0.001     278.102    0.020
1992.0      2.888    0.001     278.090    0.019
1993.0      2.887    0.001     278.078    0.018
1994.0      2.887    0.001     278.066    0.017
1995.0      2.887    0.001     278.053    0.017
1996.0      2.887    0.001     278.041    0.016
1997.0      2.886    0.001     278.029    0.015
1998.0      2.886    0.001     278.017    0.014
1999.0      2.886    0.001     278.005    0.013
2000.0      2.886    0.001     277.993    0.013
2001.0      2.886    0.001     277.981    0.012
2002.0      2.885    0.001     277.968    0.011
2003.0      2.885    0.001     277.956    0.010
2004.0      2.885    0.001     277.944    0.009
2005.0      2.885    0.000     277.932    0.009
2006.0      2.885    0.000     277.920    0.008
2007.0      2.884    0.000     277.908    0.007
2008.0      2.884    0.000     277.895    0.006
2009.0      2.884    0.000     277.883    0.006
2010.0      2.884    0.000     277.871    0.005
2011.0      2.884    0.000     277.859    0.004
2012.0      2.883    0.000     277.847    0.003
2013.0      2.883    0.000     277.835    0.002
2014.0      2.883    0.000     277.822    0.002
2015.0      2.883    0.000     277.810    0.001
2016.0      2.882    0.000     277.798    0.001
2017.0      2.882    0.000     277.786    0.001
2018.0      2.882    0.000     277.774    0.002
2019.0      2.882    0.000     277.762    0.002
2020.0      2.882    0.000     277.749    0.003
2021.0      2.881    0.000     277.737    0.004
2022.0      2.881    0.000     277.725    0.005
2023.0      2.881    0.000     277.713    0.006
2024.0      2.881    0.000     277.701    0.006
2025.0      2.881    0.000     277.688    0.007
2026.0      2.880    0.000     277.676    0.008
2027.0      2.880    0.000     277.664    0.009
2028.0      2.880    0.001     277.652    0.010
2029.0      2.880    0.001     277.640    0.010
2030.0      2.879    0.001     277.627    0.011
2031.0      2.879    0.001     277.615    0.012
2032.0      2.879    0.001     277.603    0.013
2033.0      2.879    0.001     277.591    0.013
2034.0      2.879    0.001     277.579    0.014
2035.0      2.878    0.001     277.566    0.015
2036.0      2.878    0.001     277.554    0.016
2037.0      2.878    0.001     277.542    0.017
2038.0      2.878    0.001     277.530    0.017
2039.0      2.878    0.001     277.517    0.018
2040.0      2.877    0.001     277.505    0.019
2041.0      2.877    0.001     277.493    0.020
2042.0      2.877    0.001     277.481    0.021
2043.0      2.877    0.001     277.469    0.021
2044.0      2.877    0.001     277.456    0.022
2045.0      2.876    0.001     277.444    0.023
2046.0      2.876    0.001     277.432    0.024
2047.0      2.876    0.001     277.420    0.025
2048.0      2.876    0.001     277.407    0.025
2049.0      2.876    0.001     277.395    0.026
2050.0      2.875    0.001     277.383    0.027
2051.0      2.875    0.001     277.371    0.028
2052.0      2.875    0.002     277.358    0.029
2053.0      2.875    0.002     277.346    0.029
2054.0      2.875    0.002     277.334    0.030
2055.0      2.874    0.002     277.322    0.031
2056.0      2.874    0.002     277.309    0.032
2057.0      2.874    0.002     277.297    0.032
2058.0      2.874    0.002     277.285    0.033
2059.0      2.873    0.002     277.273    0.034
2060.0      2.873    0.002     277.260    0.035
2061.0      2.873    0.002     277.248    0.036
2062.0      2.873    0.002     277.236    0.036
2063.0      2.873    0.002     277.224    0.037
2064.0      2.872    0.002     277.211    0.038
2065.0      2.872    0.002     277.199    0.039
2066.0      2.872    0.002     277.187    0.040
2067.0      2.872    0.002     277.175    0.040
2068.0      2.872    0.002     277.162    0.041
2069.0      2.871    0.002     277.150    0.042
2070.0      2.871    0.002     277.138    0.043
2071.0      2.871    0.002     277.125    0.044
2072.0      2.871    0.002     277.113    0.044
2073.0      2.871    0.002     277.101    0.045
2074.0      2.870    0.002     277.089    0.046
2075.0      2.870    0.002     277.076    0.047
2076.0      2.870    0.003     277.064    0.048
2077.0      2.870    0.003     277.052    0.048
2078.0      2.870    0.003     277.039    0.049
2079.0      2.869    0.003     277.027    0.050
2080.0      2.869    0.003     277.015    0.051
2081.0      2.869    0.003     277.003    0.052
2082.0      2.869    0.003     276.990    0.052
2083.0      2.869    0.003     276.978    0.053
2084.0      2.868    0.003     276.966    0.054
2085.0      2.868    0.003     276.953    0.055
2086.0      2.868    0.003     276.941    0.056
2087.0      2.868    0.003     276.929    0.056
2088.0      2.868    0.003     276.917    0.057
2089.0      2.867    0.003     276.904    0.058
2090.0      2.867    0.003     276.892    0.059
2091.0      2.867    0.003     276.880    0.060
2092.0      2.867    0.003     276.867    0.060
2093.0      2.867    0.003     276.855    0.061
2094.0      2.866    0.003     276.843    0.062
2095.0      2.866    0.003     276.830    0.063
2096.0      2.866    0.003     276.818    0.064
2097.0      2.866    0.003     276.806    0.064
2098.0      2.866    0.003     276.793    0.065
2099.0      2.865    0.004     276.781    0.066
2100.0      2.865    0.004     276.769    0.067




Measurements for STF 2942 AB

WDS ID      Discovr     Comp  #    Sep      PA       Epoch      Obs  Telescope     Camera    Note
-------------------------------------------------------------------------------------------------
22441+3928  STF 2942    AB    1    2.65"    278.9°   B2024.685  HWI  120/900 APO   ASI678MM  AIJ


-- Image of STF-2942-AB-taken with Equinox 120/900 APO --


WDS record for STF 2942 AB
wds_id                       : 22441+3928
discoverer_code              : STF
discoverer_number            : 2942
discoverer_components        : AB
date_first                   : 1828
date_last                    : 2022
num_of_obs                   : 65
pa_first                     : 274
pa_last                      : 277
sep_first                    : 2.0
sep_last                     : 2.8
mag_primary                  : 6.18
mag_secondary                : 8.94
spectral_type                : K5III
primary_proper_motion_RA     : -2
primary_proper_motion_DEC    : -46
secondary_proper_motion_RA   : -2
secondary_proper_motion_DEC  : -46
dm_number                    : +38 4855
notes                        : N
precise_coordinate           : 224405.21+392755.5
                             : 22:44:05.21 +39:27:55.5

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 1932184981928941696
source_id = 1932184981928941696
random_index = 150397675
ref_epoch = 2016.0
ra = 341.0217716041557
ra_error = 0.022699751
dec = 39.465221964008904
dec_error = 0.026230272
parallax = 3.90993390120502
parallax_error = 0.038662754
parallax_over_error = 101.12921
pm = 28.994492
pmra = 6.102511917192722
pmra_error = 0.03558317
pmdec = -28.345016011621773
pmdec_error = 0.036509234
ra_dec_corr = -0.17671049
ra_parallax_corr = 0.0732053
ra_pmra_corr = 0.14604054
ra_pmdec_corr = -0.23354147
dec_parallax_corr = 0.11443892
dec_pmra_corr = -0.20891091
dec_pmdec_corr = -0.19671924
parallax_pmra_corr = -0.03635639
parallax_pmdec_corr = -0.13152912
pmra_pmdec_corr = -0.32240367
astrometric_n_obs_al = 396
astrometric_n_obs_ac = 396
astrometric_n_good_obs_al = 382
astrometric_n_bad_obs_al = 14
astrometric_gof_al = 3.1322818
astrometric_chi2_al = 5895.371
astrometric_excess_noise = 0.2952592
astrometric_excess_noise_sig = 162.05583
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.3811184
astrometric_matched_transits = 45
visibility_periods_used = 19
astrometric_sigma5d_max = 0.057637822
matched_transits = 54
new_matched_transits = 17
matched_transits_removed = 19
ipd_gof_harmonic_amplitude = 0.012451917
ipd_gof_harmonic_phase = 44.06365
ipd_frac_multi_peak = 4
ipd_frac_odd_win = 0
ruwe = 1.1152959
duplicated_source = false
phot_g_n_obs = 449
phot_g_mean_flux = 129088049.75172876
phot_g_mean_flux_error = 49612.746
phot_g_mean_flux_over_error = 2601.913
phot_g_mean_mag = 5.410152
phot_bp_n_obs = 49
phot_bp_mean_flux = 42793558.670176245
phot_bp_mean_flux_error = 47392.953
phot_bp_mean_flux_over_error = 902.9519
phot_bp_mean_mag = 6.260096
phot_rp_n_obs = 48
phot_rp_mean_flux = 125042539.19952966
phot_rp_mean_flux_error = 167117.11
phot_rp_mean_flux_over_error = 748.23303
phot_rp_mean_mag = 4.505251
phot_bp_rp_excess_factor = 1.3001676
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 = 1.7548451
bp_g = 0.8499441
g_rp = 0.904901
radial_velocity = -25.115929
radial_velocity_error = 0.12560844
rv_method_used = 1
rv_nb_transits = 24
rv_nb_deblended_transits = 0
rv_visibility_periods_used = 16
rv_expected_sig_to_noise = 1509.6152
rv_chisq_pvalue = 0.026334653
rv_time_duration = 1009.6489
rv_amplitude_robust = 0.78297615
rv_template_teff = 4000.0
rv_template_logg = 1.5
rv_template_fe_h = -0.25
rv_atm_param_origin = 222
vbroad = 9.198273
vbroad_error = 0.57315165
vbroad_nb_transits = 20
grvs_mag = 4.1569357
grvs_mag_error = 0.0063231327
grvs_mag_nb_transits = 24
phot_variable_flag = NOT_AVAILABLE
l = 97.71409368798803
b = -17.090286680948026
ecl_lon = 1.76402371262951
ecl_lat = 43.08073602273507
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 = 1.0217283e-13
classprob_dsc_combmod_galaxy = 5.1034817e-13
classprob_dsc_combmod_star = 0.9999851
    Star B - gaiadr3.gaia_source
solution_id = 1636148068921376768
designation = Gaia DR3 1932184981928941568
source_id = 1932184981928941568
random_index = 396382864
ref_epoch = 2016.0
ra = 341.02074405739904
ra_error = 0.014393918
dec = 39.46533059753863
dec_error = 0.017131457
parallax = 3.964781649139693
parallax_error = 0.024902582
parallax_over_error = 159.21167
pm = 29.642752
pmra = 6.229335252775897
pmra_error = 0.022907507
pmdec = -28.980822783655796
pmdec_error = 0.026115656
ra_dec_corr = -0.17980175
ra_parallax_corr = 0.2400678
ra_pmra_corr = 0.053786144
ra_pmdec_corr = -0.27356872
dec_parallax_corr = 0.20105305
dec_pmra_corr = -0.22110169
dec_pmdec_corr = -0.046467204
parallax_pmra_corr = -0.12576833
parallax_pmdec_corr = -0.22109473
pmra_pmdec_corr = -0.34917536
astrometric_n_obs_al = 416
astrometric_n_obs_ac = 416
astrometric_n_good_obs_al = 400
astrometric_n_bad_obs_al = 16
astrometric_gof_al = 1.4330257
astrometric_chi2_al = 943.36285
astrometric_excess_noise = 0.14601322
astrometric_excess_noise_sig = 16.393894
astrometric_params_solved = 95
astrometric_primary_flag = false
pseudocolour = 1.483441
pseudocolour_error = 0.0043725003
ra_pseudocolour_corr = -0.080922104
dec_pseudocolour_corr = 0.25296268
parallax_pseudocolour_corr = 0.08470681
pmra_pseudocolour_corr = 0.0026931136
pmdec_pseudocolour_corr = 0.11608218
astrometric_matched_transits = 47
visibility_periods_used = 20
astrometric_sigma5d_max = 0.039972603
matched_transits = 60
new_matched_transits = 21
matched_transits_removed = 1
ipd_gof_harmonic_amplitude = 0.0075000557
ipd_gof_harmonic_phase = 23.747766
ipd_frac_multi_peak = 1
ipd_frac_odd_win = 0
ruwe = 1.0506212
duplicated_source = false
phot_g_n_obs = 454
phot_g_mean_flux = 6816870.198724979
phot_g_mean_flux_error = 4056.1125
phot_g_mean_flux_over_error = 1680.6412
phot_g_mean_mag = 8.603404
phot_bp_n_obs = 2
phot_bp_mean_flux = 3367093.8657890353
phot_bp_mean_flux_error = 116107.1
phot_bp_mean_flux_over_error = 28.999895
phot_bp_mean_mag = 9.020404
phot_rp_n_obs = 2
phot_rp_mean_flux = 9642546.471205255
phot_rp_mean_flux_error = 1164979.8
phot_rp_mean_flux_over_error = 8.277008
phot_rp_mean_mag = 7.287416
phot_bp_rp_excess_factor = 1.9084477
phot_bp_n_contaminated_transits = 2
phot_bp_n_blended_transits = 0
phot_rp_n_contaminated_transits = 2
phot_rp_n_blended_transits = 0
phot_proc_mode = 0
bp_rp = 1.7329879
bp_g = 0.41699982
g_rp = 1.3159881
phot_variable_flag = NOT_AVAILABLE
l = 97.71342659942695
b = -17.089802415393834
ecl_lon = 1.7631693188913684
ecl_lat = 43.0812376828838
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 = true
in_andromeda_survey = false
classprob_dsc_combmod_quasar = 1.0391513e-13
classprob_dsc_combmod_galaxy = 6.824126e-10
classprob_dsc_combmod_star = 0.9998128
radial_velocity = -22.9
radial_velocity_error = 2.0
- gaiadr3.astrophysical_parameters
solution_id = 1636148068921376768
source_id = 1932184981928941696
classprob_dsc_combmod_quasar = 1.0217283e-13
classprob_dsc_combmod_galaxy = 5.1034817e-13
classprob_dsc_combmod_star = 0.9999851
classprob_dsc_combmod_whitedwarf = 2.005527e-12
classprob_dsc_combmod_binarystar = 1.48995e-05
classprob_dsc_specmod_quasar = 0.0
classprob_dsc_specmod_galaxy = 0.0
classprob_dsc_specmod_star = 0.9985122
classprob_dsc_specmod_whitedwarf = 0.0
classprob_dsc_specmod_binarystar = 0.0014877875
classprob_dsc_allosmod_quasar = 0.0
classprob_dsc_allosmod_galaxy = 0.0
classprob_dsc_allosmod_star = 1.0
teff_gspspec = 4008.0
teff_gspspec_lower = 4005.0
teff_gspspec_upper = 4010.0
logg_gspspec = 0.82
logg_gspspec_lower = 0.81
logg_gspspec_upper = 0.83
mh_gspspec = -0.3
mh_gspspec_lower = -0.3
mh_gspspec_upper = -0.29
alphafe_gspspec = 0.04
alphafe_gspspec_lower = 0.04
alphafe_gspspec_upper = 0.04
fem_gspspec = -0.23
fem_gspspec_lower = -0.26
fem_gspspec_upper = -0.2
fem_gspspec_nlines = 8
fem_gspspec_linescatter = 0.19
sife_gspspec = 0.04
sife_gspspec_lower = 0.01
sife_gspspec_upper = 0.06
sife_gspspec_nlines = 3
sife_gspspec_linescatter = 0.09
cafe_gspspec = 0.04
cafe_gspspec_lower = 0.04
cafe_gspspec_upper = 0.04
cafe_gspspec_nlines = 7
cafe_gspspec_linescatter = 0.02
tife_gspspec = -0.05
tife_gspspec_lower = -0.07
tife_gspspec_upper = -0.04
tife_gspspec_nlines = 3
tife_gspspec_linescatter = 0.01
crfe_gspspec = 0.05
crfe_gspspec_lower = 0.01
crfe_gspspec_upper = 0.08
crfe_gspspec_nlines = 2
crfe_gspspec_linescatter = 0.07
cefe_gspspec = -0.48
cefe_gspspec_lower = -0.62
cefe_gspspec_upper = -0.35
cefe_gspspec_nlines = 1
cefe_gspspec_linescatter = 0.0
nife_gspspec = -0.28
nife_gspspec_lower = -0.31
nife_gspspec_upper = -0.23
nife_gspspec_nlines = 1
nife_gspspec_linescatter = 0.0
dib_gspspec_lambda = 861.76465
dib_gspspec_lambda_uncertainty = 0.0023353316
dibew_gspspec = 0.013
dibew_gspspec_uncertainty = 0.001
dibewnoise_gspspec_uncertainty = 0.0008
dibp0_gspspec = -0.0185
dibp2_gspspec = 0.2858
dibp2_gspspec_uncertainty = 0.0346
dibqf_gspspec = 5
flags_gspspec = 00000001000009999009900000000992099209995
logchisq_gspspec = -4.036696
ew_espels_halpha = -0.15519914
ew_espels_halpha_uncertainty = 0.018513292
ew_espels_halpha_flag = 1
ew_espels_halpha_model = 0.042116
flags_esphs = 91
spectraltype_esphs = K
mh_msc = 0.49930447
mh_msc_upper = 0.5
mh_msc_lower = 0.42769396
azero_msc = 0.037657205
azero_msc_upper = 2.01967
azero_msc_lower = 0.0
distance_msc = 18.25019
distance_msc_upper = 19.60809
distance_msc_lower = 10.0
teff_msc1 = 4599.6934
teff_msc1_upper = 4608.9756
teff_msc1_lower = 4593.4727
teff_msc2 = 4160.3755
teff_msc2_upper = 4301.9233
teff_msc2_lower = 3000.0
logg_msc1 = 4.680564
logg_msc1_upper = 4.7601767
logg_msc1_lower = 3.2651634
logg_msc2 = 4.5379896
logg_msc2_upper = 4.54261
logg_msc2_lower = 4.2176504
ag_msc = 0.028229665
ag_msc_upper = 1.5009866
ag_msc_lower = 0.0
logposterior_msc = -1116446.4
mcmcaccept_msc = 0.24904534
mcmcdrift_msc = 0.23417947
flags_msc = 1
    - gaiadr3.astrophysical_parameters
solution_id = 1636148068921376768
source_id = 1932184981928941568
classprob_dsc_combmod_quasar = 1.0391513e-13
classprob_dsc_combmod_galaxy = 6.824126e-10
classprob_dsc_combmod_star = 0.9998128
classprob_dsc_combmod_whitedwarf = 1.3866922e-09
classprob_dsc_combmod_binarystar = 0.00018719195
classprob_dsc_specmod_quasar = 0.0
classprob_dsc_specmod_galaxy = 1.3137318e-05
classprob_dsc_specmod_star = 0.98160136
classprob_dsc_specmod_whitedwarf = 6.788423e-06
classprob_dsc_specmod_binarystar = 0.018378738
classprob_dsc_allosmod_quasar = 0.0
classprob_dsc_allosmod_galaxy = 0.0
classprob_dsc_allosmod_star = 1.0
activityindex_espcs_input = M2
mh_msc = 0.44003415
mh_msc_upper = 0.5
mh_msc_lower = -0.45780462
azero_msc = 0.29086396
azero_msc_upper = 1.0668008
azero_msc_lower = 0.0
distance_msc = 249.5278
distance_msc_upper = 265.21994
distance_msc_lower = 234.03296
teff_msc1 = 3975.579
teff_msc1_upper = 4072.2832
teff_msc1_lower = 3843.4844
teff_msc2 = 6049.7188
teff_msc2_upper = 7984.0938
teff_msc2_lower = 5285.4023
logg_msc1 = 3.4257834
logg_msc1_upper = 3.8097064
logg_msc1_lower = 3.182594
logg_msc2 = 3.86686
logg_msc2_upper = 4.321269
logg_msc2_lower = 3.4530773
ag_msc = 0.23615208
ag_msc_upper = 0.8461797
ag_msc_lower = 0.0
logposterior_msc = 38.51729
mcmcaccept_msc = 0.29878283
mcmcdrift_msc = 0.08615449
flags_msc = 0




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 08:42:35 +0200



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