Double Star Calculator - Results


STT 72 AB - Astrometric and kinematic properties
Gaia Source ID - Star A          : 46741446184164224     Simbad
Gaia Source ID - Star B          : 46741652342594304     Simbad
Observation Epoch : J2016.001 / 2016-01-02 Angular Separation : 4.674 < 0.0001 arcsec Position Angle : 327.91 ± 0.0006 degree
Star A/B Epoch : J2016.000 / J2016.000 Angular Separation : 4.674 < 0.0001 arcsec Position Angle : 327.91 ± 0.0006 degree Projected Separation : 641 au Spatial Separation : 1.48 ± 1.12 pc Spatial Separation : 4.82 ± 3.67 ly Parallax Significance : 1.32 σ ΔProper Motion Angle : 6.38 ± 0.30 degree ΔTotal Proper Motion : 0.91 ± 0.07 mas/yr ΔTangential Velocity : 0.68 ± 0.08 km/s ΔRelative Velocity (2D) : 1.15 ± 0.06 km/s

Aladin Lite Sky Atlas



Star A - Stellar Data
Gaia Source ID                   : 46741446184164224           VizieR
Epoch : J2016.000 Right Ascension (RA) : 04h 07m 59.43s Declination (Dec) : 17° 20' 23.48" Distance : 137.90 ± 1.07 pc Distance : 449.76 ± 3.48 ly Magnitude (G-band) : 5.33 mag Absolute Magnitude : -0.37 ± 0.02 mag Stellar Extinction : N/A Spectral Type (BP/RP) : K Bolometric correction : -0.63 mag Luminosity : 197.65 + 3.08 / − 3.04 L☉ Log(Luminosity) : 2.29590 Teff (bp_rp) : 4800.00 K Log(Teff) : 3.68124 Mass estimation : 3.93 M☉ RUWE : 1.04 Position Angle of Proper Motion : 138.17 ± 0.28 degree Total Proper Motion : 13.19 ± 0.06 mas/yr Tangential Velocity : 8.63 ± 0.08 km/s Radial Velocity (Gaia) : -31.84 ± 0.13 km/s Space Velocity : 32.99 ± 0.13 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 :    129.230 : very good
RUWE                :      1.040 : good astrometric fit (single star)
Non Single Star     :            : Single Star
Duplicated source   :      false : single source
G magnitude         :      5.328 : G > 3 mag, photometry reliable
Excess noise        :      0.338 : Good fit
  Significance      :    139.357 :   Minor noise, likely negligible
BP-RP excess factor :      1.300 : photometry inconsistent
Visibility periods  :         13 : high, indicates well observed star
IPD multi-peak frac :         0% : single peak detected
IDP GoF harmonic amp:      0.056 : unobtrusive (single star source)


Star B - Stellar Data
Gaia Source ID                   : 46741652342594304           VizieR
Epoch : J2016.000 Right Ascension (RA) : 04h 07m 59.25s Declination (Dec) : 17° 20' 27.44" Distance : 136.42 ± 0.35 pc Distance : 444.95 ± 1.15 ly Magnitude (G-band) : 9.79 mag Absolute Magnitude : 4.12 ± 0.01 mag Stellar Extinction : N/A Spectral Type (BP/RP) : G Bolometric correction : -0.10 mag Luminosity : 1.96 + 0.01 / − 0.01 L☉ Log(Luminosity) : 0.29135 Teff (bp_rp) : 5800.00 K Log(Teff) : 3.76343 Mass estimation : 1.14 M☉ RUWE : 0.92 Position Angle of Proper Motion : 131.78 ± 0.10 degree Total Proper Motion : 12.28 ± 0.02 mas/yr Tangential Velocity : 7.94 ± 0.03 km/s

Star B - Selected astrophysical parameters
DSC-Combmod binary star          :       0.00
DSC-Specmod binary star          :       0.01

Star B - Double Star Quality Metrics
Parallax over error :    385.402 : very good
RUWE                :      0.920 : good astrometric fit (single star)
Non Single Star     :            : Single Star
Duplicated source   :      false : single source
G magnitude         :      9.791 : G > 3 mag, photometry reliable
Excess noise        :      0.077 : Very good fit
  Significance      :      5.997 :   Reliable single-star astrometry
BP-RP excess factor :      1.350 : photometry inconsistent
Visibility periods  :         13 : high, indicates well observed star
IPD multi-peak frac :         0% : single peak detected
IDP GoF harmonic amp:      0.055 : 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)          :        0.13     (CPM)

Co-Moving

UWLE for Co-Moving Pairs (3D)      :
===================================
COMOV: Velocity Evidence Indicator :        0.95     (Strong)
COMOV: Distance Evidence Indicator :        0.25     (Weak)
Co-Moving Total Evidence Indicator :        0.49     (Moderate)

rPM/COMOV Agreement                :                 (Low)

Binarity

Separation, Sigma and Reliability  :
===================================
Projected Separation               :         641     au
Spatial Separation                 :      304585  ±   231892  au
  1-Sigma Range                    : [     72693,     536476] au
  Significance                     :        1.32     σ
  Note: 3D distance not significantly resolved

3D spatial distance probabilities : =================================== P(D-3D <= 1282 au) : 0.1 % (2.0 * D-projected) P(D-3D <= 2500 au) : 0.2 % (Wide binary) P(D-3D <= 10000 au) : 0.8 % (Wide binary) P(D-3D <= 20000 au) : 1.6 % (Very wide binary) P(D-3D <= 50000 au) : 4.5 % (Extremely wide) P(D-3D <= 206265 au) : 26.6 % (Jacobi radius)

Proper Motion and Velocity         :
===================================
rPM (Proper Motion Ratio)          :        0.13     (CPM)
ΔRelative Velocity (2D)            :        1.15  ±  0.06   km/s

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


UWLE for Wide Binaries (2D)        :
===================================
WBS: Velocity Evidence Indicator   :        0.83     (Strong)
WBS: Distance Evidence Indicator   :        0.09     (Unlikely)
Binarity Total Evidence Indicator  :        0.27     (Weak)

Orbital & Binding Dynamics         :
-----------------------------------
Est. orbital period at lower bound :     6248.00            years
Escape Velocity                    :        3.75            km/s (Bound)
2D Velocity Difference             :        1.15  ±  0.06   km/s
Circular Orbital Velocity          :        2.65            km/s
Binding Indicator η                :        0.09     (Strongly Bound)
  η < 0.5 : Strongly bound / 0.5 ≤ η < 1.0: Bound / η ≥ 1.0 : Unbound

UWLE for Tight Binaries (2D) : =================================== TBS: Velocity Evidence Indicator : 0.83 (Strong) TBS: Distance Evidence Indicator : 0.66 (Moderate) Binarity Total Evidence Indicator : 0.74 (Strong) Orbital & Binding Dynamics : ----------------------------------- Est. orbital period at lower bound : 6248.00 years Escape Velocity : 3.75 km/s (Bound) 2D Velocity Difference : 1.15 ± 0.06 km/s Circular Orbital Velocity : 2.65 km/s Binding Indicator η : 0.09 (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) :  1.04 : Zero
RUWE probability for a binary system (Star B) :  0.92 : 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      4.536    0.007     326.188    0.107
1901.0      4.537    0.007     326.203    0.106
1902.0      4.539    0.007     326.219    0.105
1903.0      4.540    0.007     326.234    0.104
1904.0      4.541    0.007     326.249    0.103
1905.0      4.542    0.007     326.265    0.102
1906.0      4.543    0.007     326.280    0.101
1907.0      4.545    0.007     326.295    0.100
1908.0      4.546    0.007     326.311    0.099
1909.0      4.547    0.007     326.326    0.099
1910.0      4.548    0.006     326.341    0.098
1911.0      4.549    0.006     326.356    0.097
1912.0      4.550    0.006     326.372    0.096
1913.0      4.552    0.006     326.387    0.095
1914.0      4.553    0.006     326.402    0.094
1915.0      4.554    0.006     326.417    0.093
1916.0      4.555    0.006     326.432    0.092
1917.0      4.556    0.006     326.448    0.091
1918.0      4.557    0.006     326.463    0.090
1919.0      4.559    0.006     326.478    0.089
1920.0      4.560    0.006     326.493    0.088
1921.0      4.561    0.006     326.508    0.087
1922.0      4.562    0.006     326.524    0.086
1923.0      4.563    0.006     326.539    0.085
1924.0      4.564    0.006     326.554    0.084
1925.0      4.566    0.006     326.569    0.084
1926.0      4.567    0.005     326.584    0.083
1927.0      4.568    0.005     326.599    0.082
1928.0      4.569    0.005     326.614    0.081
1929.0      4.570    0.005     326.629    0.080
1930.0      4.572    0.005     326.645    0.079
1931.0      4.573    0.005     326.660    0.078
1932.0      4.574    0.005     326.675    0.077
1933.0      4.575    0.005     326.690    0.076
1934.0      4.576    0.005     326.705    0.075
1935.0      4.577    0.005     326.720    0.074
1936.0      4.579    0.005     326.735    0.073
1937.0      4.580    0.005     326.750    0.072
1938.0      4.581    0.005     326.765    0.071
1939.0      4.582    0.005     326.780    0.071
1940.0      4.583    0.005     326.795    0.070
1941.0      4.585    0.005     326.810    0.069
1942.0      4.586    0.004     326.825    0.068
1943.0      4.587    0.004     326.840    0.067
1944.0      4.588    0.004     326.855    0.066
1945.0      4.589    0.004     326.870    0.065
1946.0      4.590    0.004     326.885    0.064
1947.0      4.592    0.004     326.900    0.063
1948.0      4.593    0.004     326.915    0.062
1949.0      4.594    0.004     326.930    0.061
1950.0      4.595    0.004     326.945    0.060
1951.0      4.596    0.004     326.960    0.059
1952.0      4.598    0.004     326.975    0.059
1953.0      4.599    0.004     326.990    0.058
1954.0      4.600    0.004     327.005    0.057
1955.0      4.601    0.004     327.020    0.056
1956.0      4.602    0.004     327.035    0.055
1957.0      4.604    0.004     327.049    0.054
1958.0      4.605    0.004     327.064    0.053
1959.0      4.606    0.003     327.079    0.052
1960.0      4.607    0.003     327.094    0.051
1961.0      4.608    0.003     327.109    0.050
1962.0      4.609    0.003     327.124    0.049
1963.0      4.611    0.003     327.139    0.048
1964.0      4.612    0.003     327.153    0.047
1965.0      4.613    0.003     327.168    0.047
1966.0      4.614    0.003     327.183    0.046
1967.0      4.615    0.003     327.198    0.045
1968.0      4.617    0.003     327.213    0.044
1969.0      4.618    0.003     327.228    0.043
1970.0      4.619    0.003     327.242    0.042
1971.0      4.620    0.003     327.257    0.041
1972.0      4.621    0.003     327.272    0.040
1973.0      4.623    0.003     327.287    0.039
1974.0      4.624    0.003     327.301    0.038
1975.0      4.625    0.002     327.316    0.037
1976.0      4.626    0.002     327.331    0.036
1977.0      4.627    0.002     327.346    0.036
1978.0      4.629    0.002     327.360    0.035
1979.0      4.630    0.002     327.375    0.034
1980.0      4.631    0.002     327.390    0.033
1981.0      4.632    0.002     327.405    0.032
1982.0      4.633    0.002     327.419    0.031
1983.0      4.634    0.002     327.434    0.030
1984.0      4.636    0.002     327.449    0.029
1985.0      4.637    0.002     327.463    0.028
1986.0      4.638    0.002     327.478    0.027
1987.0      4.639    0.002     327.493    0.026
1988.0      4.640    0.002     327.507    0.025
1989.0      4.642    0.002     327.522    0.025
1990.0      4.643    0.002     327.537    0.024
1991.0      4.644    0.002     327.551    0.023
1992.0      4.645    0.001     327.566    0.022
1993.0      4.646    0.001     327.581    0.021
1994.0      4.648    0.001     327.595    0.020
1995.0      4.649    0.001     327.610    0.019
1996.0      4.650    0.001     327.624    0.018
1997.0      4.651    0.001     327.639    0.017
1998.0      4.652    0.001     327.654    0.016
1999.0      4.654    0.001     327.668    0.015
2000.0      4.655    0.001     327.683    0.015
2001.0      4.656    0.001     327.697    0.014
2002.0      4.657    0.001     327.712    0.013
2003.0      4.658    0.001     327.726    0.012
2004.0      4.660    0.001     327.741    0.011
2005.0      4.661    0.001     327.755    0.010
2006.0      4.662    0.001     327.770    0.009
2007.0      4.663    0.001     327.784    0.008
2008.0      4.664    0.000     327.799    0.007
2009.0      4.666    0.000     327.813    0.006
2010.0      4.667    0.000     327.828    0.005
2011.0      4.668    0.000     327.842    0.005
2012.0      4.669    0.000     327.857    0.004
2013.0      4.671    0.000     327.871    0.003
2014.0      4.672    0.000     327.886    0.002
2015.0      4.673    0.000     327.900    0.001
2016.0      4.674    0.000     327.915    0.001
2017.0      4.675    0.000     327.929    0.001
2018.0      4.677    0.000     327.944    0.002
2019.0      4.678    0.000     327.958    0.003
2020.0      4.679    0.000     327.972    0.004
2021.0      4.680    0.000     327.987    0.005
2022.0      4.681    0.000     328.001    0.005
2023.0      4.683    0.000     328.016    0.006
2024.0      4.684    0.000     328.030    0.007
2025.0      4.685    0.001     328.044    0.008
2026.0      4.686    0.001     328.059    0.009
2027.0      4.687    0.001     328.073    0.010
2028.0      4.689    0.001     328.087    0.011
2029.0      4.690    0.001     328.102    0.012
2030.0      4.691    0.001     328.116    0.013
2031.0      4.692    0.001     328.131    0.014
2032.0      4.693    0.001     328.145    0.014
2033.0      4.695    0.001     328.159    0.015
2034.0      4.696    0.001     328.173    0.016
2035.0      4.697    0.001     328.188    0.017
2036.0      4.698    0.001     328.202    0.018
2037.0      4.700    0.001     328.216    0.019
2038.0      4.701    0.001     328.231    0.020
2039.0      4.702    0.001     328.245    0.021
2040.0      4.703    0.001     328.259    0.022
2041.0      4.704    0.001     328.273    0.023
2042.0      4.706    0.002     328.288    0.023
2043.0      4.707    0.002     328.302    0.024
2044.0      4.708    0.002     328.316    0.025
2045.0      4.709    0.002     328.330    0.026
2046.0      4.710    0.002     328.345    0.027
2047.0      4.712    0.002     328.359    0.028
2048.0      4.713    0.002     328.373    0.029
2049.0      4.714    0.002     328.387    0.030
2050.0      4.715    0.002     328.401    0.031
2051.0      4.716    0.002     328.416    0.031
2052.0      4.718    0.002     328.430    0.032
2053.0      4.719    0.002     328.444    0.033
2054.0      4.720    0.002     328.458    0.034
2055.0      4.721    0.002     328.472    0.035
2056.0      4.723    0.002     328.487    0.036
2057.0      4.724    0.002     328.501    0.037
2058.0      4.725    0.003     328.515    0.038
2059.0      4.726    0.003     328.529    0.039
2060.0      4.727    0.003     328.543    0.040
2061.0      4.729    0.003     328.557    0.040
2062.0      4.730    0.003     328.571    0.041
2063.0      4.731    0.003     328.585    0.042
2064.0      4.732    0.003     328.599    0.043
2065.0      4.734    0.003     328.614    0.044
2066.0      4.735    0.003     328.628    0.045
2067.0      4.736    0.003     328.642    0.046
2068.0      4.737    0.003     328.656    0.047
2069.0      4.738    0.003     328.670    0.048
2070.0      4.740    0.003     328.684    0.048
2071.0      4.741    0.003     328.698    0.049
2072.0      4.742    0.003     328.712    0.050
2073.0      4.743    0.003     328.726    0.051
2074.0      4.745    0.003     328.740    0.052
2075.0      4.746    0.004     328.754    0.053
2076.0      4.747    0.004     328.768    0.054
2077.0      4.748    0.004     328.782    0.055
2078.0      4.749    0.004     328.796    0.055
2079.0      4.751    0.004     328.810    0.056
2080.0      4.752    0.004     328.824    0.057
2081.0      4.753    0.004     328.838    0.058
2082.0      4.754    0.004     328.852    0.059
2083.0      4.756    0.004     328.866    0.060
2084.0      4.757    0.004     328.880    0.061
2085.0      4.758    0.004     328.894    0.062
2086.0      4.759    0.004     328.908    0.063
2087.0      4.760    0.004     328.922    0.063
2088.0      4.762    0.004     328.936    0.064
2089.0      4.763    0.004     328.949    0.065
2090.0      4.764    0.004     328.963    0.066
2091.0      4.765    0.004     328.977    0.067
2092.0      4.767    0.005     328.991    0.068
2093.0      4.768    0.005     329.005    0.069
2094.0      4.769    0.005     329.019    0.070
2095.0      4.770    0.005     329.033    0.070
2096.0      4.772    0.005     329.047    0.071
2097.0      4.773    0.005     329.061    0.072
2098.0      4.774    0.005     329.074    0.073
2099.0      4.775    0.005     329.088    0.074
2100.0      4.776    0.005     329.102    0.075




WDS record for STT 72 AB
wds_id                       : 04080+1720
discoverer_code              : STT
discoverer_number            : 72
discoverer_components        : AB
date_first                   : 1854
date_last                    : 2019
num_of_obs                   : 46
pa_first                     : 324
pa_last                      : 327
sep_first                    : 4.5
sep_last                     : 4.8
mag_primary                  : 6.1
mag_secondary                : 9.71
spectral_type                : K5IIIb
primary_proper_motion_RA     : 8
primary_proper_motion_DEC    : -12
secondary_proper_motion_RA   : 8
secondary_proper_motion_DEC  : -10
dm_number                    : +16  560
notes                        : 
precise_coordinate           : 040759.42+172023.6
                             : 04:07:59.42 +17:20:23.6



Parsed GAIA Input Data
Click to expand/collapse the Gaia Input Data:
Star A - gaiadr3.gaia_source
solution_id = 1636148068921376768
designation = Gaia DR3 46741446184164224
source_id = 46741446184164224
random_index = 1196160123
ref_epoch = 2016.0
ra = 61.997611440273474
ra_error = 0.054442372
dec = 17.339854178818506
dec_error = 0.030893479
parallax = 7.251763115678877
parallax_error = 0.056115024
parallax_over_error = 129.23033
pm = 13.193873
pmra = 8.799899885770698
pmra_error = 0.07728895
pmdec = -9.830567763689917
pmdec_error = 0.04672007
ra_dec_corr = -0.070475325
ra_parallax_corr = -0.23701589
ra_pmra_corr = -0.05831526
ra_pmdec_corr = 0.0073002293
dec_parallax_corr = -0.108591564
dec_pmra_corr = -0.05222315
dec_pmdec_corr = 0.39738935
parallax_pmra_corr = 0.1917241
parallax_pmdec_corr = -0.037834138
pmra_pmdec_corr = -0.17236638
astrometric_n_obs_al = 212
astrometric_n_obs_ac = 212
astrometric_n_good_obs_al = 205
astrometric_n_bad_obs_al = 7
astrometric_gof_al = 0.8066009
astrometric_chi2_al = 3611.5176
astrometric_excess_noise = 0.3380333
astrometric_excess_noise_sig = 139.35744
astrometric_params_solved = 31
astrometric_primary_flag = true
nu_eff_used_in_astrometry = 1.376795
astrometric_matched_transits = 24
visibility_periods_used = 13
astrometric_sigma5d_max = 0.108116016
matched_transits = 27
new_matched_transits = 6
matched_transits_removed = 9
ipd_gof_harmonic_amplitude = 0.055864368
ipd_gof_harmonic_phase = 96.487144
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 1.0389115
duplicated_source = false
phot_g_n_obs = 218
phot_g_mean_flux = 139230513.53208274
phot_g_mean_flux_error = 81959.67
phot_g_mean_flux_over_error = 1698.7686
phot_g_mean_mag = 5.3280306
phot_bp_n_obs = 25
phot_bp_mean_flux = 45624101.27190967
phot_bp_mean_flux_error = 58108.207
phot_bp_mean_flux_over_error = 785.1576
phot_bp_mean_mag = 6.1905565
phot_rp_n_obs = 24
phot_rp_mean_flux = 135420715.72226337
phot_rp_mean_flux_error = 231237.14
phot_rp_mean_flux_over_error = 585.6357
phot_rp_mean_mag = 4.4186826
phot_bp_rp_excess_factor = 1.3003243
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 = 1.771874
bp_g = 0.86252594
g_rp = 0.909348
radial_velocity = -31.843117
radial_velocity_error = 0.12794791
rv_method_used = 1
rv_nb_transits = 13
rv_nb_deblended_transits = 0
rv_visibility_periods_used = 11
rv_expected_sig_to_noise = 1185.3912
rv_chisq_pvalue = 0.8221685
rv_time_duration = 888.0801
rv_amplitude_robust = 0.52796745
rv_template_teff = 4500.0
rv_template_logg = 0.0
rv_template_fe_h = -0.75
rv_atm_param_origin = 111
grvs_mag = 4.064401
grvs_mag_error = 0.0054907934
grvs_mag_nb_transits = 13
phot_variable_flag = NOT_AVAILABLE
l = 175.62887239365338
b = -24.8283416463385
ecl_lon = 63.318591860907176
ecl_lat = -3.5432515701951672
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 = 1.0225226e-13
classprob_dsc_combmod_galaxy = 5.1074493e-13
classprob_dsc_combmod_star = 0.99997723
    Star B - gaiadr3.gaia_source
solution_id = 1636148068921376768
designation = Gaia DR3 46741652342594304
source_id = 46741652342594304
random_index = 710903924
ref_epoch = 2016.0
ra = 61.99688893320026
ra_error = 0.019441329
dec = 17.340954228803994
dec_error = 0.010451087
parallax = 7.33025863395238
parallax_error = 0.019019775
parallax_over_error = 385.40195
pm = 12.28117
pmra = 9.157708841383831
pmra_error = 0.026009398
pmdec = -8.183123617043764
pmdec_error = 0.015362929
ra_dec_corr = -0.06114633
ra_parallax_corr = -0.2916283
ra_pmra_corr = -0.28101113
ra_pmdec_corr = 0.08382243
dec_parallax_corr = -0.21954542
dec_pmra_corr = 0.008723742
dec_pmdec_corr = 0.25699797
parallax_pmra_corr = 0.05824703
parallax_pmdec_corr = -0.08199001
pmra_pmdec_corr = -0.21415608
astrometric_n_obs_al = 238
astrometric_n_obs_ac = 238
astrometric_n_good_obs_al = 234
astrometric_n_bad_obs_al = 4
astrometric_gof_al = -1.7364
astrometric_chi2_al = 396.82837
astrometric_excess_noise = 0.076689675
astrometric_excess_noise_sig = 5.996783
astrometric_params_solved = 31
astrometric_primary_flag = true
nu_eff_used_in_astrometry = 1.5350341
astrometric_matched_transits = 27
visibility_periods_used = 13
astrometric_sigma5d_max = 0.036942348
matched_transits = 32
new_matched_transits = 10
matched_transits_removed = 0
ipd_gof_harmonic_amplitude = 0.054678146
ipd_gof_harmonic_phase = 97.93227
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 0.9185553
duplicated_source = false
phot_g_n_obs = 252
phot_g_mean_flux = 2283175.6280700173
phot_g_mean_flux_error = 1622.1814
phot_g_mean_flux_over_error = 1407.4724
phot_g_mean_mag = 9.7910185
phot_bp_n_obs = 11
phot_bp_mean_flux = 1254300.3151834644
phot_bp_mean_flux_error = 5004.357
phot_bp_mean_flux_over_error = 250.64166
phot_bp_mean_mag = 10.092539
phot_rp_n_obs = 13
phot_rp_mean_flux = 1828988.7389792616
phot_rp_mean_flux_error = 59720.816
phot_rp_mean_flux_over_error = 30.625648
phot_rp_mean_mag = 9.092368
phot_bp_rp_excess_factor = 1.3504388
phot_bp_n_contaminated_transits = 2
phot_bp_n_blended_transits = 0
phot_rp_n_contaminated_transits = 6
phot_rp_n_blended_transits = 1
phot_proc_mode = 0
bp_rp = 1.0001707
bp_g = 0.30152035
g_rp = 0.69865036
phot_variable_flag = NOT_AVAILABLE
l = 175.6274637233189
b = -24.828115208586084
ecl_lon = 63.31811931026069
ecl_lat = -3.5420418996481886
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 = 7.2546746e-11
classprob_dsc_combmod_galaxy = 5.1414526e-13
classprob_dsc_combmod_star = 0.99991024
- gaiadr3.astrophysical_parameters
solution_id = 1636148068921376768
source_id = 46741446184164224
classprob_dsc_combmod_quasar = 1.0225226e-13
classprob_dsc_combmod_galaxy = 5.1074493e-13
classprob_dsc_combmod_star = 0.99997723
classprob_dsc_combmod_whitedwarf = 2.0070861e-12
classprob_dsc_combmod_binarystar = 2.2765074e-05
classprob_dsc_specmod_quasar = 0.0
classprob_dsc_specmod_galaxy = 0.0
classprob_dsc_specmod_star = 0.9977286
classprob_dsc_specmod_whitedwarf = 0.0
classprob_dsc_specmod_binarystar = 0.0022714427
classprob_dsc_allosmod_quasar = 0.0
classprob_dsc_allosmod_galaxy = 0.0
classprob_dsc_allosmod_star = 1.0
teff_gspspec = 4019.0
teff_gspspec_lower = 4015.0
teff_gspspec_upper = 4022.0
logg_gspspec = 1.25
logg_gspspec_lower = 1.24
logg_gspspec_upper = 1.27
mh_gspspec = 0.08
mh_gspspec_lower = 0.07
mh_gspspec_upper = 0.08
alphafe_gspspec = -0.04
alphafe_gspspec_lower = -0.04
alphafe_gspspec_upper = -0.04
fem_gspspec = -0.29
fem_gspspec_lower = -0.33
fem_gspspec_upper = -0.25
fem_gspspec_nlines = 8
fem_gspspec_linescatter = 0.18
sife_gspspec = -0.03
sife_gspspec_lower = -0.07
sife_gspspec_upper = 0.01
sife_gspspec_nlines = 3
sife_gspspec_linescatter = 0.05
cafe_gspspec = -0.04
cafe_gspspec_lower = -0.04
cafe_gspspec_upper = -0.03
cafe_gspspec_nlines = 7
cafe_gspspec_linescatter = 0.02
tife_gspspec = -0.11
tife_gspspec_lower = -0.14
tife_gspspec_upper = -0.1
tife_gspspec_nlines = 3
tife_gspspec_linescatter = 0.02
mgfe_gspspec = 0.19
mgfe_gspspec_lower = 0.14
mgfe_gspspec_upper = 0.24
mgfe_gspspec_nlines = 1
mgfe_gspspec_linescatter = 0.0
crfe_gspspec = -0.23
crfe_gspspec_lower = -0.29
crfe_gspspec_upper = -0.17
crfe_gspspec_nlines = 1
crfe_gspspec_linescatter = 0.0
nife_gspspec = -0.31
nife_gspspec_lower = -0.37
nife_gspspec_upper = -0.27
nife_gspspec_nlines = 1
nife_gspspec_linescatter = 0.0
dib_gspspec_lambda = 861.7555
dib_gspspec_lambda_uncertainty = 0.0028086167
dibew_gspspec = 0.019
dibew_gspspec_uncertainty = 0.107
dibewnoise_gspspec_uncertainty = 0.0008
dibp0_gspspec = -0.0284
dibp2_gspspec = 0.2637
dibp2_gspspec_uncertainty = 0.0316
dibqf_gspspec = 5
flags_gspspec = 00000000000009920009900001000991099999995
logchisq_gspspec = -3.8226943
ew_espels_halpha = -0.17047386
ew_espels_halpha_uncertainty = 0.026629439
ew_espels_halpha_flag = 1
ew_espels_halpha_model = 0.012269
flags_esphs = 92
spectraltype_esphs = K
mh_msc = 0.32094646
mh_msc_upper = 0.5
mh_msc_lower = -0.50521636
azero_msc = 1.4721372
azero_msc_upper = 2.5755742
azero_msc_lower = 0.12681746
distance_msc = 37.959896
distance_msc_upper = 83.61095
distance_msc_lower = 10.0
teff_msc1 = 5017.5303
teff_msc1_upper = 6315.5186
teff_msc1_lower = 3000.0
teff_msc2 = 4868.7124
teff_msc2_upper = 6359.562
teff_msc2_lower = 3000.0
logg_msc1 = 3.291103
logg_msc1_upper = 4.6426716
logg_msc1_lower = 2.3012938
logg_msc2 = 3.4621248
logg_msc2_upper = 4.7074018
logg_msc2_lower = 2.0
ag_msc = 1.1080213
ag_msc_upper = 1.9392521
ag_msc_lower = 0.08449507
logposterior_msc = -175182.58
mcmcaccept_msc = 0.21257757
mcmcdrift_msc = 0.31989917
flags_msc = 1
    - gaiadr3.astrophysical_parameters
solution_id = 1636148068921376768
source_id = 46741652342594304
classprob_dsc_combmod_quasar = 7.2546746e-11
classprob_dsc_combmod_galaxy = 5.1414526e-13
classprob_dsc_combmod_star = 0.99991024
classprob_dsc_combmod_whitedwarf = 6.7095836e-09
classprob_dsc_combmod_binarystar = 8.97528e-05
classprob_dsc_specmod_quasar = 7.037957e-06
classprob_dsc_specmod_galaxy = 0.0
classprob_dsc_specmod_star = 0.99106365
classprob_dsc_specmod_whitedwarf = 3.3198383e-05
classprob_dsc_specmod_binarystar = 0.008896113
classprob_dsc_allosmod_quasar = 0.0
classprob_dsc_allosmod_galaxy = 0.0
classprob_dsc_allosmod_star = 1.0
mh_msc = -0.7168318
mh_msc_upper = -0.54504704
mh_msc_lower = -0.9345825
azero_msc = 1.3995229
azero_msc_upper = 1.4399313
azero_msc_lower = 1.3495337
distance_msc = 135.51721
distance_msc_upper = 138.77374
distance_msc_lower = 133.21146
teff_msc1 = 5391.913
teff_msc1_upper = 5519.2812
teff_msc1_lower = 5164.5547
teff_msc2 = 5309.613
teff_msc2_upper = 5580.804
teff_msc2_lower = 5208.099
logg_msc1 = 4.2821054
logg_msc1_upper = 4.339035
logg_msc1_lower = 4.224222
logg_msc2 = 4.50265
logg_msc2_upper = 4.5711045
logg_msc2_lower = 4.453197
ag_msc = 1.0972713
ag_msc_upper = 1.1237012
ag_msc_lower = 1.0580407
logposterior_msc = 154.66753
mcmcaccept_msc = 0.30720764
mcmcdrift_msc = 0.24563701
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.


Report Information
Double Star Calculator: Version 1.2 ($Rev: 2591 $)
Report created: 2026-09-09 08:52:50 +0200



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