Double Star Calculator - Results


STF 932 - Astrometric and kinematic properties
Gaia Source ID - Star A          : 3356881399868918528     Simbad
Gaia Source ID - Star B          : 3356881395577357824     Simbad
Observation Epoch : J2025.165 / 2025-03-02 Angular Separation : 1.608 ± 0.0005 arcsec Position Angle : 302.64 ± 0.0165 degree
Star A/B Epoch : J2016.000 / J2016.000 Angular Separation : 1.651 < 0.0001 arcsec Position Angle : 305.04 ± 0.0016 degree Projected Separation : 143 au Spatial Separation : 3.22 ± 1.35 ly Spatial Separation : 203865 ± 85422 au Parallax Significance : 2.39 σ ΔProper Motion Angle : 41.25 ± 0.25 degree ΔTotal Proper Motion : 4.01 ± 0.06 mas/yr ΔTangential Velocity : 1.70 ± 0.03 km/s ΔRelative Velocity (2D) : 3.62 ± 0.02 km/s

Aladin Lite Sky Atlas



Star A - Stellar Data
Gaia Source ID                   : 3356881399868918528           VizieR
Epoch : J2016.000 Right Ascension (RA) : 06h 34m 21.61s Declination (Dec) : 14° 45' 8.00" Distance : 87.18 ± 0.32 pc Distance : 284.35 ± 1.06 ly Magnitude (G-band) : 8.17 mag Absolute Magnitude : 3.47 ± 0.01 mag Stellar Extinction : 0.00 ± <0.01 mag Spectral Type (BP/RP) : F Bolometric correction : -0.02 mag Luminosity : 3.28 + 0.02 / − 0.02 L☉ Log(Luminosity) : 0.51623 Effective temperature (Teff) : 6284.24 + 7.45 / - 6.83 K Log(Teff) : 3.79825 Mass estimation : 1.39 M☉ RUWE : 1.31 Position Angle of Proper Motion : 46.08 ± 0.18 degree Total Proper Motion : 13.23 ± 0.04 mas/yr Tangential Velocity : 5.47 ± 0.03 km/s

Star A - Selected astrophysical parameters
DSC-Combmod binary star          :       0.00
DSC-Specmod binary star          :       0.01
Radius from GSP-Phot Aeneas      :       1.53  ±   0.01          R☉
Spectral type from ESP-ELS       :          F
Radius of the star from FLAME    :       1.50  ±   0.03          R☉
Bolometric correction            :       0.01                    mag
Luminosity of the star (FLAME)   :       3.17  ±   0.02          L☉
Mass of the star from FLAME      :       1.25  ±   0.04          M☉
FLAME quality indicators         :         00
  Quality                        :       OK
  Source                         :       Parallax used
Evolutionary stage from FLAME    :        280      Main Sequence (early)

Star A - Double Star Quality Metrics
Parallax over error :    269.173 : very good
RUWE                :      1.310 : good astrometric fit (single star)
Non Single Star     :            : Single Star
Duplicated source   :      false : single source
G magnitude         :      8.172 : G > 3 mag, photometry reliable
Excess noise        :      0.218 : Good fit
  Significance      :     19.303 :   Minor noise, likely negligible
BP-RP excess factor :      1.450 : photometry inconsistent
Visibility periods  :         13 : high, indicates well observed star
IPD multi-peak frac :        10% : mulitple peaks detected (possible double)
IDP GoF harmonic amp:      0.029 : unobtrusive (single star source)


Star B - Stellar Data
Gaia Source ID                   : 3356881395577357824           VizieR
Epoch : J2016.000 Right Ascension (RA) : 06h 34m 21.52s Declination (Dec) : 14° 45' 8.95" Distance : 86.20 ± 0.26 pc Distance : 281.13 ± 0.84 ly Magnitude (G-band) : 8.39 mag Absolute Magnitude : 3.72 ± 0.01 mag Stellar Extinction : N/A Spectral Type (BP/RP) : F Bolometric correction : -0.02 mag Luminosity : 2.61 + 0.02 / − 0.02 L☉ Log(Luminosity) : 0.41729 Teff (bp_rp) : 6700.00 K Log(Teff) : 3.82607 Mass estimation : 1.32 M☉ RUWE : 1.03 Position Angle of Proper Motion : 87.33 ± 0.17 degree Total Proper Motion : 9.22 ± 0.04 mas/yr Tangential Velocity : 3.77 ± 0.02 km/s

Star B - Selected astrophysical parameters
DSC-Combmod binary star          :       0.00
DSC-Specmod binary star          :       0.09

Star B - Double Star Quality Metrics
Parallax over error :    333.987 : very good
RUWE                :      1.030 : good astrometric fit (single star)
Non Single Star     :            : Single Star
Duplicated source   :      false : single source
G magnitude         :      8.394 : G > 3 mag, photometry reliable
Excess noise        :      0.136 : Very good fit
  Significance      :      8.580 :   Reliable single-star astrometry
BP-RP excess factor :      1.610 : photometry inconsistent
Visibility periods  :         11 : high, indicates well observed star
IPD multi-peak frac :        24% : mulitple peaks detected (possible double)
IDP GoF harmonic amp:      0.041 : 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)          :        0.66     (DPM)

Co-Moving

UWLE for Co-Moving Pairs (3D)      :
===================================
COMOV: Velocity Evidence Indicator :        0.59     (Moderate)
COMOV: Distance Evidence Indicator :        0.40     (Moderate)
Co-Moving Total Evidence Indicator :        0.49     (Moderate)

rPM/COMOV Agreement                :                 (Moderate)

Binarity

Separation, Sigma and Reliability  :
===================================
Projected Separation               :         143     au
Spatial Separation                 :      203865  ±    85422  au
  1-Sigma Range                    : [    118443,     289288] au
  Significance                     :        2.39     σ
  Note: 3D distance not significantly resolved

3D spatial distance probabilities : =================================== P(D-3D <= 286 au) : 0.0 % (2.0 * D-projected) P(D-3D <= 1000 au) : 0.0 % (Intermediate) P(D-3D <= 2500 au) : 0.1 % (Wide binary) P(D-3D <= 10000 au) : 0.3 % (Wide binary) P(D-3D <= 20000 au) : 0.7 % (Very wide binary) P(D-3D <= 50000 au) : 2.8 % (Extremely wide) P(D-3D <= 206265 au) : 50.7 % (Jacobi radius)

Proper Motion and Velocity         :
===================================
rPM (Proper Motion Ratio)          :        0.66     (DPM)
ΔRelative Velocity (2D)            :        3.62  ±  0.02   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   :        0.65     (Moderate)
WBS: Distance Evidence Indicator   :        0.23     (Weak)
Binarity Total Evidence Indicator  :        0.39     (Moderate)

Orbital & Binding Dynamics         :
-----------------------------------
Est. orbital period at lower bound :      901.00            years
Escape Velocity                    :        5.80            km/s (Bound)
2D Velocity Difference             :        3.62  ±  0.02   km/s
Circular Orbital Velocity          :        4.10            km/s
Binding Indicator η                :        0.39     (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 : 0.65 (Moderate) TBS: Distance Evidence Indicator : 0.98 (Strong) Binarity Total Evidence Indicator : 0.80 (Strong) Orbital & Binding Dynamics : ----------------------------------- Est. orbital period at lower bound : 901.00 years Escape Velocity : 5.80 km/s (Bound) 2D Velocity Difference : 3.62 ± 0.02 km/s Circular Orbital Velocity : 4.10 km/s Binding Indicator η : 0.39 (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) :  1.31 : Low
RUWE probability for a binary system (Star B) :  1.03 : 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      2.362    0.006     326.204    0.159
1901.0      2.355    0.006     326.080    0.158
1902.0      2.348    0.006     325.954    0.157
1903.0      2.341    0.006     325.827    0.156
1904.0      2.334    0.006     325.700    0.155
1905.0      2.327    0.006     325.572    0.154
1906.0      2.320    0.006     325.443    0.153
1907.0      2.313    0.006     325.314    0.152
1908.0      2.306    0.006     325.183    0.151
1909.0      2.299    0.006     325.052    0.150
1910.0      2.292    0.005     324.920    0.149
1911.0      2.285    0.005     324.787    0.148
1912.0      2.278    0.005     324.654    0.147
1913.0      2.271    0.005     324.519    0.146
1914.0      2.264    0.005     324.384    0.145
1915.0      2.257    0.005     324.248    0.144
1916.0      2.250    0.005     324.111    0.143
1917.0      2.243    0.005     323.974    0.142
1918.0      2.236    0.005     323.835    0.141
1919.0      2.229    0.005     323.696    0.140
1920.0      2.223    0.005     323.555    0.138
1921.0      2.216    0.005     323.414    0.137
1922.0      2.209    0.005     323.272    0.136
1923.0      2.202    0.005     323.129    0.135
1924.0      2.195    0.005     322.985    0.134
1925.0      2.188    0.005     322.841    0.133
1926.0      2.182    0.005     322.695    0.132
1927.0      2.175    0.005     322.549    0.131
1928.0      2.168    0.005     322.401    0.129
1929.0      2.161    0.005     322.253    0.128
1930.0      2.155    0.004     322.104    0.127
1931.0      2.148    0.004     321.953    0.126
1932.0      2.141    0.004     321.802    0.125
1933.0      2.135    0.004     321.650    0.124
1934.0      2.128    0.004     321.497    0.122
1935.0      2.121    0.004     321.343    0.121
1936.0      2.115    0.004     321.188    0.120
1937.0      2.108    0.004     321.032    0.119
1938.0      2.102    0.004     320.875    0.117
1939.0      2.095    0.004     320.718    0.116
1940.0      2.088    0.004     320.559    0.115
1941.0      2.082    0.004     320.399    0.114
1942.0      2.075    0.004     320.238    0.113
1943.0      2.069    0.004     320.076    0.111
1944.0      2.062    0.004     319.913    0.110
1945.0      2.056    0.004     319.749    0.109
1946.0      2.049    0.004     319.584    0.107
1947.0      2.043    0.004     319.418    0.106
1948.0      2.037    0.004     319.251    0.105
1949.0      2.030    0.004     319.083    0.104
1950.0      2.024    0.004     318.914    0.102
1951.0      2.017    0.003     318.744    0.101
1952.0      2.011    0.003     318.572    0.100
1953.0      2.005    0.003     318.400    0.098
1954.0      1.998    0.003     318.226    0.097
1955.0      1.992    0.003     318.052    0.096
1956.0      1.986    0.003     317.876    0.094
1957.0      1.980    0.003     317.699    0.093
1958.0      1.973    0.003     317.521    0.092
1959.0      1.967    0.003     317.342    0.090
1960.0      1.961    0.003     317.162    0.089
1961.0      1.955    0.003     316.981    0.087
1962.0      1.948    0.003     316.798    0.086
1963.0      1.942    0.003     316.614    0.085
1964.0      1.936    0.003     316.430    0.083
1965.0      1.930    0.003     316.244    0.082
1966.0      1.924    0.003     316.056    0.080
1967.0      1.918    0.003     315.868    0.079
1968.0      1.912    0.003     315.678    0.077
1969.0      1.906    0.003     315.488    0.076
1970.0      1.900    0.002     315.296    0.075
1971.0      1.894    0.002     315.103    0.073
1972.0      1.888    0.002     314.908    0.072
1973.0      1.882    0.002     314.712    0.070
1974.0      1.876    0.002     314.516    0.069
1975.0      1.870    0.002     314.317    0.067
1976.0      1.864    0.002     314.118    0.066
1977.0      1.858    0.002     313.918    0.064
1978.0      1.853    0.002     313.716    0.063
1979.0      1.847    0.002     313.512    0.061
1980.0      1.841    0.002     313.308    0.060
1981.0      1.835    0.002     313.102    0.058
1982.0      1.830    0.002     312.895    0.057
1983.0      1.824    0.002     312.687    0.055
1984.0      1.818    0.002     312.477    0.053
1985.0      1.813    0.002     312.266    0.052
1986.0      1.807    0.002     312.054    0.050
1987.0      1.801    0.002     311.841    0.049
1988.0      1.796    0.002     311.626    0.047
1989.0      1.790    0.001     311.410    0.046
1990.0      1.785    0.001     311.192    0.044
1991.0      1.779    0.001     310.973    0.042
1992.0      1.774    0.001     310.753    0.041
1993.0      1.768    0.001     310.531    0.039
1994.0      1.763    0.001     310.308    0.037
1995.0      1.757    0.001     310.084    0.036
1996.0      1.752    0.001     309.858    0.034
1997.0      1.747    0.001     309.631    0.033
1998.0      1.741    0.001     309.402    0.031
1999.0      1.736    0.001     309.172    0.029
2000.0      1.731    0.001     308.941    0.028
2001.0      1.726    0.001     308.708    0.026
2002.0      1.720    0.001     308.474    0.024
2003.0      1.715    0.001     308.238    0.023
2004.0      1.710    0.001     308.001    0.021
2005.0      1.705    0.001     307.763    0.019
2006.0      1.700    0.001     307.523    0.017
2007.0      1.695    0.001     307.282    0.016
2008.0      1.690    0.000     307.039    0.014
2009.0      1.685    0.000     306.795    0.012
2010.0      1.680    0.000     306.549    0.011
2011.0      1.675    0.000     306.302    0.009
2012.0      1.670    0.000     306.054    0.007
2013.0      1.665    0.000     305.804    0.006
2014.0      1.660    0.000     305.552    0.004
2015.0      1.655    0.000     305.299    0.002
2016.0      1.651    0.000     305.045    0.002
2017.0      1.646    0.000     304.789    0.002
2018.0      1.641    0.000     304.532    0.004
2019.0      1.636    0.000     304.273    0.006
2020.0      1.632    0.000     304.013    0.007
2021.0      1.627    0.000     303.751    0.009
2022.0      1.623    0.000     303.488    0.011
2023.0      1.618    0.000     303.223    0.013
2024.0      1.614    0.000     302.957    0.014
2025.0      1.609    0.001     302.689    0.016
2026.0      1.605    0.001     302.420    0.018
2027.0      1.600    0.001     302.149    0.020
2028.0      1.596    0.001     301.877    0.022
2029.0      1.592    0.001     301.603    0.023
2030.0      1.587    0.001     301.328    0.025
2031.0      1.583    0.001     301.051    0.027
2032.0      1.579    0.001     300.773    0.029
2033.0      1.575    0.001     300.494    0.031
2034.0      1.571    0.001     300.213    0.033
2035.0      1.566    0.001     299.930    0.034
2036.0      1.562    0.001     299.646    0.036
2037.0      1.558    0.001     299.361    0.038
2038.0      1.554    0.001     299.074    0.040
2039.0      1.550    0.001     298.785    0.042
2040.0      1.546    0.001     298.495    0.044
2041.0      1.543    0.001     298.204    0.046
2042.0      1.539    0.002     297.911    0.047
2043.0      1.535    0.002     297.617    0.049
2044.0      1.531    0.002     297.321    0.051
2045.0      1.528    0.002     297.024    0.053
2046.0      1.524    0.002     296.725    0.055
2047.0      1.520    0.002     296.425    0.057
2048.0      1.517    0.002     296.124    0.059
2049.0      1.513    0.002     295.821    0.061
2050.0      1.510    0.002     295.517    0.062
2051.0      1.506    0.002     295.211    0.064
2052.0      1.503    0.002     294.904    0.066
2053.0      1.499    0.002     294.595    0.068
2054.0      1.496    0.002     294.285    0.070
2055.0      1.493    0.002     293.974    0.072
2056.0      1.490    0.002     293.661    0.074
2057.0      1.486    0.002     293.348    0.076
2058.0      1.483    0.002     293.032    0.078
2059.0      1.480    0.003     292.716    0.079
2060.0      1.477    0.003     292.398    0.081
2061.0      1.474    0.003     292.078    0.083
2062.0      1.471    0.003     291.758    0.085
2063.0      1.468    0.003     291.436    0.087
2064.0      1.465    0.003     291.113    0.089
2065.0      1.462    0.003     290.788    0.091
2066.0      1.460    0.003     290.463    0.093
2067.0      1.457    0.003     290.136    0.095
2068.0      1.454    0.003     289.808    0.097
2069.0      1.452    0.003     289.479    0.098
2070.0      1.449    0.003     289.148    0.100
2071.0      1.446    0.003     288.816    0.102
2072.0      1.444    0.003     288.484    0.104
2073.0      1.442    0.003     288.150    0.106
2074.0      1.439    0.003     287.815    0.108
2075.0      1.437    0.004     287.479    0.110
2076.0      1.435    0.004     287.141    0.112
2077.0      1.432    0.004     286.803    0.114
2078.0      1.430    0.004     286.464    0.115
2079.0      1.428    0.004     286.123    0.117
2080.0      1.426    0.004     285.782    0.119
2081.0      1.424    0.004     285.439    0.121
2082.0      1.422    0.004     285.096    0.123
2083.0      1.420    0.004     284.752    0.125
2084.0      1.418    0.004     284.406    0.127
2085.0      1.416    0.004     284.060    0.129
2086.0      1.414    0.004     283.713    0.131
2087.0      1.413    0.004     283.365    0.132
2088.0      1.411    0.004     283.017    0.134
2089.0      1.409    0.004     282.667    0.136
2090.0      1.408    0.004     282.317    0.138
2091.0      1.406    0.005     281.965    0.140
2092.0      1.405    0.005     281.614    0.142
2093.0      1.403    0.005     281.261    0.144
2094.0      1.402    0.005     280.908    0.146
2095.0      1.401    0.005     280.554    0.147
2096.0      1.399    0.005     280.199    0.149
2097.0      1.398    0.005     279.844    0.151
2098.0      1.397    0.005     279.488    0.153
2099.0      1.396    0.005     279.131    0.155
2100.0      1.395    0.005     278.774    0.157




WDS record for STF 932
wds_id                       : 06344+1445
discoverer_code              : STF
discoverer_number            : 932
discoverer_components        : 
date_first                   : 1830
date_last                    : 2022
num_of_obs                   : 179
pa_first                     : 342
pa_last                      : 304
sep_first                    : 2.4
sep_last                     : 1.7
mag_primary                  : 8.31
mag_secondary                : 8.54
spectral_type                : F5
primary_proper_motion_RA     : 14
primary_proper_motion_DEC    : 4
secondary_proper_motion_RA   : 14
secondary_proper_motion_DEC  : 4
dm_number                    : +14 1344
notes                        : NO
precise_coordinate           : 063421.57+144508.3
                             : 06:34:21.57 +14:45:08.3

WDS Notes:
----------
N: Notes found in WDSNOT MEMO of WDS
O: Orbit described in WDSNOT MEMO and has entry in Orbit Catalog


Orbital Elements for STF 932
WDS: STF 932 WDS ID/Discoverer
P: 2360.000 Orbital period (years)
a: 3.21 Semi-major axis (arcseconds)
i: 124.14 Inclination (degrees)
Ω: 4.24 Longitude of ascending node (degrees)
T: 2215.000 Epoch of periastron passage (year)
e: 0.2 Eccentricity
ω: 119.73 Argument of periastron (degrees)
Start-Year: 845.000 Year
End-Year: 3205.000 Year
Epoch: 2025.16 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for STF 932
Position: 063421.57+144508.3 Epoch-2000 right ascension and declination
WDS-ID: 06344+1445 WDS designation
Discoverer Code: STF 932 Discover designation and components
ADS number: 5197 Aitken Double Star catalog
HD number: 46495 HD catalog number
Hipparcos number: 31345 Hipparcos catalog number
V1: 8.31 Magnitude of the primary
V2: 8.54 Magnitude of the secondary
Equinox: 1900 Equinox
Date: 1959 Date of last observation
Orbit grade: 5 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
8 = Interferometric
9 = Astrometric
Flags: n Flags
Ephemerides: Ephemerides
Code: Hop1960a Reference

Double Star Orbit for STF 932



WDS 6th Orbit including measures of STF 932

-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --


Legend:
Green plus signs:Visual (micrometric) measures
Violet asterisks:Photographic measures
Blue symbols:Various interferometric techniques
Dot-dash line:Indicates the line of nodes

Ephemeris of STF 932
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.16    1.592   296.99
--------------------------
840.00    2.188    78.01
850.00    2.205    76.22
860.00    2.224    74.46
870.00    2.244    72.72
880.00    2.265    71.02
890.00    2.286    69.35
900.00    2.309    67.72
910.00    2.333    66.11
920.00    2.357    64.54
930.00    2.383    63.00
940.00    2.409    61.50
950.00    2.435    60.02
960.00    2.462    58.58
970.00    2.490    57.17
980.00    2.518    55.79
990.00    2.547    54.44
1000.00    2.576    53.13
1010.00    2.605    51.84
1020.00    2.634    50.58
1030.00    2.663    49.35
1040.00    2.693    48.14
1050.00    2.723    46.96
1060.00    2.752    45.81
1070.00    2.782    44.68
1080.00    2.812    43.58
1090.00    2.841    42.49
1100.00    2.870    41.43
1110.00    2.899    40.40
1120.00    2.928    39.38
1130.00    2.957    38.38
1140.00    2.985    37.40
1150.00    3.012    36.44
1160.00    3.040    35.49
1170.00    3.066    34.57
1180.00    3.093    33.66
1190.00    3.119    32.76
1200.00    3.144    31.88
1210.00    3.168    31.01
1220.00    3.192    30.16
1230.00    3.216    29.31
1240.00    3.238    28.48
1250.00    3.260    27.67
1260.00    3.282    26.86
1270.00    3.302    26.06
1280.00    3.321    25.27
1290.00    3.340    24.49
1300.00    3.358    23.72
1310.00    3.375    22.96
1320.00    3.391    22.20
1330.00    3.406    21.46
1340.00    3.420    20.71
1350.00    3.433    19.98
1360.00    3.445    19.25
1370.00    3.456    18.52
1380.00    3.466    17.80
1390.00    3.475    17.08
1400.00    3.482    16.37
1410.00    3.489    15.66
1420.00    3.494    14.95
1430.00    3.498    14.24
1440.00    3.501    13.54
1450.00    3.503    12.83
1460.00    3.504    12.13
1470.00    3.503    11.42
1480.00    3.501    10.72
1490.00    3.497    10.01
1500.00    3.493     9.30
1510.00    3.487     8.59
1520.00    3.479     7.88
1530.00    3.470     7.17
1540.00    3.460     6.45
1550.00    3.449     5.72
1560.00    3.436     4.99
1570.00    3.421     4.26
1580.00    3.405     3.52
1590.00    3.388     2.77
1600.00    3.369     2.01
1610.00    3.349     1.24
1620.00    3.328     0.47
1630.00    3.304   359.68
1640.00    3.280   358.88
1650.00    3.254   358.07
1660.00    3.226   357.25
1670.00    3.197   356.41
1680.00    3.167   355.56
1690.00    3.135   354.69
1700.00    3.101   353.80
1710.00    3.067   352.89
1720.00    3.030   351.96
1730.00    2.993   351.01
1740.00    2.954   350.03
1750.00    2.913   349.03
1760.00    2.872   347.99
1770.00    2.829   346.93
1780.00    2.784   345.83
1790.00    2.739   344.70
1800.00    2.692   343.53
1810.00    2.645   342.31
1820.00    2.596   341.05
1830.00    2.546   339.75
1840.00    2.496   338.39
1850.00    2.445   336.97
1860.00    2.393   335.49
1870.00    2.340   333.95
1880.00    2.287   332.34
1890.00    2.234   330.64
1900.00    2.181   328.87
1910.00    2.127   327.01
1920.00    2.074   325.05
1930.00    2.022   322.99
1940.00    1.970   320.82
1950.00    1.918   318.53
1960.00    1.868   316.12
1970.00    1.820   313.58
1980.00    1.773   310.90
1990.00    1.728   308.07
2000.00    1.686   305.11
2010.00    1.646   301.99
2020.00    1.610   298.73
2030.00    1.577   295.32
2040.00    1.548   291.78
2050.00    1.523   288.11
2060.00    1.503   284.34
2070.00    1.488   280.47
2080.00    1.477   276.53
2090.00    1.472   272.56
2100.00    1.472   268.57
2110.00    1.477   264.59
2120.00    1.487   260.65
2130.00    1.502   256.78
2140.00    1.522   253.00
2150.00    1.547   249.33
2160.00    1.575   245.78
2170.00    1.607   242.36
2180.00    1.642   239.09
2190.00    1.680   235.95
2200.00    1.721   232.96
2210.00    1.764   230.11
2220.00    1.808   227.40
2230.00    1.854   224.82
2240.00    1.900   222.37
2250.00    1.948   220.03
2260.00    1.996   217.81
2270.00    2.044   215.69
2280.00    2.092   213.67
2290.00    2.139   211.74
2300.00    2.186   209.89
2310.00    2.232   208.12
2320.00    2.277   206.42
2330.00    2.321   204.78
2340.00    2.364   203.21
2350.00    2.406   201.69
2360.00    2.446   200.22
2370.00    2.485   198.80
2380.00    2.521   197.42
2390.00    2.557   196.08
2400.00    2.590   194.77
2410.00    2.622   193.50
2420.00    2.651   192.26
2430.00    2.679   191.04
2440.00    2.705   189.85
2450.00    2.729   188.68
2460.00    2.751   187.53
2470.00    2.771   186.39
2480.00    2.789   185.27
2490.00    2.805   184.17
2500.00    2.819   183.07
2510.00    2.831   181.99
2520.00    2.841   180.92
2530.00    2.849   179.85
2540.00    2.856   178.79
2550.00    2.860   177.73
2560.00    2.863   176.67
2570.00    2.864   175.62
2580.00    2.864   174.57
2590.00    2.862   173.51
2600.00    2.858   172.46
2610.00    2.853   171.40
2620.00    2.846   170.33
2630.00    2.838   169.26
2640.00    2.828   168.18
2650.00    2.817   167.10
2660.00    2.805   166.00
2670.00    2.791   164.90
2680.00    2.777   163.79
2690.00    2.761   162.66
2700.00    2.745   161.52
2710.00    2.727   160.36
2720.00    2.709   159.19
2730.00    2.689   158.01
2740.00    2.669   156.80
2750.00    2.649   155.58
2760.00    2.627   154.34
2770.00    2.606   153.08
2780.00    2.583   151.79
2790.00    2.561   150.49
2800.00    2.538   149.16
2810.00    2.515   147.80
2820.00    2.492   146.42
2830.00    2.468   145.02
2840.00    2.445   143.58
2850.00    2.422   142.12
2860.00    2.399   140.64
2870.00    2.376   139.12
2880.00    2.353   137.57
2890.00    2.331   136.00
2900.00    2.310   134.39
2910.00    2.289   132.76
2920.00    2.268   131.09
2930.00    2.248   129.40
2940.00    2.230   127.67
2950.00    2.211   125.92
2960.00    2.194   124.14
2970.00    2.178   122.33
2980.00    2.163   120.50
2990.00    2.150   118.64
3000.00    2.137   116.76
3010.00    2.126   114.85
3020.00    2.116   112.93
3030.00    2.107   110.99
3040.00    2.100   109.04
3050.00    2.094   107.07
3060.00    2.089   105.09
3070.00    2.087   103.11
3080.00    2.085   101.13
3090.00    2.086    99.14
3100.00    2.087    97.15
3110.00    2.091    95.17
3120.00    2.096    93.20
3130.00    2.102    91.24
3140.00    2.110    89.29
3150.00    2.119    87.36
3160.00    2.130    85.44
3170.00    2.143    83.55
3180.00    2.156    81.68
3190.00    2.171    79.83
3200.00    2.188    78.01
3210.00    2.205    76.22


Parsed GAIA Input Data
Click to expand/collapse the Gaia Input Data:
Star A - gaiadr3.gaia_source
solution_id = 1636148068921376768
designation = Gaia DR3 3356881399868918528
source_id = 3356881399868918528
random_index = 1423506981
ref_epoch = 2016.0
ra = 98.59004641036357
ra_error = 0.03975562
dec = 14.752222870741015
dec_error = 0.034826048
parallax = 11.470073391609962
parallax_error = 0.042612236
parallax_over_error = 269.17322
pm = 13.234594
pmra = 9.533631925023945
pmra_error = 0.04715435
pmdec = 9.179562030335356
pmdec_error = 0.036688074
ra_dec_corr = 0.32582414
ra_parallax_corr = -0.20197792
ra_pmra_corr = -0.37027955
ra_pmdec_corr = -0.11781423
dec_parallax_corr = -0.34936935
dec_pmra_corr = -0.1514796
dec_pmdec_corr = -0.5188104
parallax_pmra_corr = 0.39374265
parallax_pmdec_corr = 0.29737186
pmra_pmdec_corr = 0.13793597
astrometric_n_obs_al = 159
astrometric_n_obs_ac = 159
astrometric_n_good_obs_al = 158
astrometric_n_bad_obs_al = 1
astrometric_gof_al = 5.2318935
astrometric_chi2_al = 621.2581
astrometric_excess_noise = 0.21819398
astrometric_excess_noise_sig = 19.30337
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.6121572
astrometric_matched_transits = 18
visibility_periods_used = 13
astrometric_sigma5d_max = 0.07098465
matched_transits = 20
new_matched_transits = 11
matched_transits_removed = 0
ipd_gof_harmonic_amplitude = 0.029179147
ipd_gof_harmonic_phase = 84.707794
ipd_frac_multi_peak = 10
ipd_frac_odd_win = 0
ruwe = 1.3111494
duplicated_source = false
phot_g_n_obs = 158
phot_g_mean_flux = 10138797.329753036
phot_g_mean_flux_error = 4786.324
phot_g_mean_flux_over_error = 2118.2847
phot_g_mean_mag = 8.1724
phot_bp_n_obs = 17
phot_bp_mean_flux = 7256639.350436186
phot_bp_mean_flux_error = 308676.3
phot_bp_mean_flux_over_error = 23.508896
phot_bp_mean_mag = 8.186704
phot_rp_n_obs = 17
phot_rp_mean_flux = 7444056.7822385905
phot_rp_mean_flux_error = 294894.4
phot_rp_mean_flux_over_error = 25.243126
phot_rp_mean_mag = 7.5683713
phot_bp_rp_excess_factor = 1.4499447
phot_bp_n_contaminated_transits = 6
phot_bp_n_blended_transits = 11
phot_rp_n_contaminated_transits = 6
phot_rp_n_blended_transits = 11
phot_proc_mode = 0
bp_rp = 0.6183324
bp_g = 0.014303207
g_rp = 0.6040292
phot_variable_flag = NOT_AVAILABLE
l = 197.87339230792017
b = 2.9829533456537023
ecl_lon = 98.39637825491658
ecl_lat = -8.437037085843489
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 = true
has_mcmc_msc = true
in_andromeda_survey = false
classprob_dsc_combmod_quasar = 3.766957e-08
classprob_dsc_combmod_galaxy = 1.7621866e-09
classprob_dsc_combmod_star = 0.9998752
teff_gspphot = 6284.2407
teff_gspphot_lower = 6277.41
teff_gspphot_upper = 6291.6865
logg_gspphot = 4.1197
logg_gspphot_lower = 4.1157
logg_gspphot_upper = 4.1238
mh_gspphot = -1.2072
mh_gspphot_lower = -1.268
mh_gspphot_upper = -1.1532
distance_gspphot = 86.8998
distance_gspphot_lower = 86.559
distance_gspphot_upper = 87.2504
azero_gspphot = 0.0009
azero_gspphot_lower = 0.0002
azero_gspphot_upper = 0.0025
ag_gspphot = 0.0008
ag_gspphot_lower = 0.0001
ag_gspphot_upper = 0.0021
ebpminrp_gspphot = 0.0004
ebpminrp_gspphot_lower = 0.0001
ebpminrp_gspphot_upper = 0.0012
libname_gspphot = MARCS
    Star B - gaiadr3.gaia_source
solution_id = 1636148068921376768
designation = Gaia DR3 3356881395577357824
source_id = 3356881395577357824
random_index = 251477233
ref_epoch = 2016.0
ra = 98.58965823672703
ra_error = 0.034876324
dec = 14.752486151557845
dec_error = 0.028167386
parallax = 11.601596511512481
parallax_error = 0.034736626
parallax_over_error = 333.98746
pm = 9.219786
pmra = 9.209789965741722
pmra_error = 0.038830105
pmdec = 0.4291978581116159
pmdec_error = 0.027835442
ra_dec_corr = 0.328849
ra_parallax_corr = -0.46647364
ra_pmra_corr = -0.01502701
ra_pmdec_corr = 0.3238834
dec_parallax_corr = -0.32605046
dec_pmra_corr = 0.33242017
dec_pmdec_corr = -0.24550228
parallax_pmra_corr = 0.19696659
parallax_pmdec_corr = -0.06658751
pmra_pmdec_corr = 0.05653579
astrometric_n_obs_al = 141
astrometric_n_obs_ac = 141
astrometric_n_good_obs_al = 140
astrometric_n_bad_obs_al = 1
astrometric_gof_al = 0.46526077
astrometric_chi2_al = 331.1089
astrometric_excess_noise = 0.1356455
astrometric_excess_noise_sig = 8.579995
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.6066196
astrometric_matched_transits = 16
visibility_periods_used = 11
astrometric_sigma5d_max = 0.054895446
matched_transits = 16
new_matched_transits = 7
matched_transits_removed = 4
ipd_gof_harmonic_amplitude = 0.04092897
ipd_gof_harmonic_phase = 106.30545
ipd_frac_multi_peak = 24
ipd_frac_odd_win = 0
ruwe = 1.0259567
duplicated_source = false
phot_g_n_obs = 134
phot_g_mean_flux = 8265607.908481295
phot_g_mean_flux_error = 4510.029
phot_g_mean_flux_over_error = 1832.7173
phot_g_mean_mag = 8.39418
phot_bp_n_obs = 11
phot_bp_mean_flux = 6565166.6863185745
phot_bp_mean_flux_error = 559851.3
phot_bp_mean_flux_over_error = 11.726625
phot_bp_mean_mag = 8.295428
phot_rp_n_obs = 11
phot_rp_mean_flux = 6745094.588739333
phot_rp_mean_flux_error = 524616.75
phot_rp_mean_flux_over_error = 12.857185
phot_rp_mean_mag = 7.6754255
phot_bp_rp_excess_factor = 1.6103185
phot_bp_n_contaminated_transits = 4
phot_bp_n_blended_transits = 7
phot_rp_n_contaminated_transits = 4
phot_rp_n_blended_transits = 7
phot_proc_mode = 0
bp_rp = 0.62000275
bp_g = -0.09875202
g_rp = 0.71875477
phot_variable_flag = NOT_AVAILABLE
l = 197.8729856830666
b = 2.9827404392346595
ecl_lon = 98.39598346934945
ecl_lat = -8.43679682633693
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 = 1.0770247e-07
classprob_dsc_combmod_galaxy = 5.6728027e-13
classprob_dsc_combmod_star = 0.99903786
- gaiadr3.astrophysical_parameters
solution_id = 1636148068921376768
source_id = 3356881399868918528
classprob_dsc_combmod_quasar = 3.766957e-08
classprob_dsc_combmod_galaxy = 1.7621866e-09
classprob_dsc_combmod_star = 0.9998752
classprob_dsc_combmod_whitedwarf = 1.9138446e-07
classprob_dsc_combmod_binarystar = 0.00012461103
classprob_dsc_specmod_quasar = 0.0036304882
classprob_dsc_specmod_galaxy = 3.3991368e-05
classprob_dsc_specmod_star = 0.9831429
classprob_dsc_specmod_whitedwarf = 0.00093968987
classprob_dsc_specmod_binarystar = 0.012252911
classprob_dsc_allosmod_quasar = 0.0
classprob_dsc_allosmod_galaxy = 0.0
classprob_dsc_allosmod_star = 1.0
teff_gspphot = 6284.2407
teff_gspphot_lower = 6277.41
teff_gspphot_upper = 6291.6865
logg_gspphot = 4.1197
logg_gspphot_lower = 4.1157
logg_gspphot_upper = 4.1238
mh_gspphot = -1.2072
mh_gspphot_lower = -1.268
mh_gspphot_upper = -1.1532
distance_gspphot = 86.8998
distance_gspphot_lower = 86.559
distance_gspphot_upper = 87.2504
azero_gspphot = 0.0009
azero_gspphot_lower = 0.0002
azero_gspphot_upper = 0.0025
ag_gspphot = 0.0008
ag_gspphot_lower = 0.0001
ag_gspphot_upper = 0.0021
abp_gspphot = 0.001
abp_gspphot_lower = 0.0002
abp_gspphot_upper = 0.0026
arp_gspphot = 0.0006
arp_gspphot_lower = 0.0001
arp_gspphot_upper = 0.0015
ebpminrp_gspphot = 0.0004
ebpminrp_gspphot_lower = 0.0001
ebpminrp_gspphot_upper = 0.0012
mg_gspphot = 3.4315
mg_gspphot_lower = 3.4225
mg_gspphot_upper = 3.4401
radius_gspphot = 1.526
radius_gspphot_lower = 1.5183
radius_gspphot_upper = 1.534
logposterior_gspphot = -1087.0442
mcmcaccept_gspphot = 0.49260187
libname_gspphot = MARCS
teff_gspspec = 6391.0
teff_gspspec_lower = 6323.0
teff_gspspec_upper = 6421.0
logg_gspspec = 4.18
logg_gspspec_lower = 4.12
logg_gspspec_upper = 4.22
mh_gspspec = -0.3
mh_gspspec_lower = -0.33
mh_gspspec_upper = -0.26
alphafe_gspspec = 0.2
alphafe_gspspec_lower = 0.17
alphafe_gspspec_upper = 0.3
fem_gspspec = -0.01
fem_gspspec_lower = -0.15
fem_gspspec_upper = 0.11
fem_gspspec_nlines = 7
fem_gspspec_linescatter = 0.22
sife_gspspec = 0.01
sife_gspspec_lower = -0.13
sife_gspspec_upper = 0.16
sife_gspspec_nlines = 3
sife_gspspec_linescatter = 0.02
cafe_gspspec = 0.18
cafe_gspspec_lower = 0.14
cafe_gspspec_upper = 0.28
cafe_gspspec_nlines = 6
cafe_gspspec_linescatter = 0.02
feiim_gspspec = 0.25
feiim_gspspec_lower = 0.03
feiim_gspspec_upper = 0.39
feiim_gspspec_nlines = 1
feiim_gspspec_linescatter = 0.0
sfe_gspspec = 0.2
sfe_gspspec_lower = 0.08
sfe_gspspec_upper = 0.32
sfe_gspspec_nlines = 2
sfe_gspspec_linescatter = 0.07
dibqf_gspspec = -1
flags_gspspec = 00021210000009999000000999900019999999999
logchisq_gspspec = -4.1385093
ew_espels_halpha = 0.23098402
ew_espels_halpha_uncertainty = 0.21383765
ew_espels_halpha_flag = 0
ew_espels_halpha_model = 0.192742
flags_esphs = 93
spectraltype_esphs = F
activityindex_espcs = 0.010744812
activityindex_espcs_uncertainty = 0.00031619766
activityindex_espcs_input = M1
radius_flame = 1.5016994
radius_flame_lower = 1.4711003
radius_flame_upper = 1.5322542
lum_flame = 3.169623
lum_flame_lower = 3.1449134
lum_flame_upper = 3.193336
mass_flame = 1.2454114
mass_flame_lower = 1.2053483
mass_flame_upper = 1.2854671
age_flame = 3.2957273
age_flame_lower = 2.7769241
age_flame_upper = 3.81433
flags_flame = 00
evolstage_flame = 280
gravredshift_flame = 0.45886967
gravredshift_flame_lower = 0.45711607
gravredshift_flame_upper = 0.46094942
bc_flame = 0.011904714
mh_msc = -0.47651094
mh_msc_upper = -0.30694616
mh_msc_lower = -0.66459996
azero_msc = 0.1505884
azero_msc_upper = 0.5678242
azero_msc_lower = 0.0
distance_msc = 88.980484
distance_msc_upper = 91.408005
distance_msc_lower = 86.377335
teff_msc1 = 6597.1367
teff_msc1_upper = 6628.582
teff_msc1_lower = 6549.6367
teff_msc2 = 5390.235
teff_msc2_upper = 5818.814
teff_msc2_lower = 5016.729
logg_msc1 = 4.603247
logg_msc1_upper = 4.688625
logg_msc1_lower = 4.569282
logg_msc2 = 4.5269012
logg_msc2_upper = 4.8599577
logg_msc2_lower = 4.2006636
ag_msc = 0.12938559
ag_msc_upper = 0.4860723
ag_msc_lower = 0.0
logposterior_msc = 38.671432
mcmcaccept_msc = 0.2887828
mcmcdrift_msc = 0.090388194
flags_msc = 0
    - gaiadr3.astrophysical_parameters
solution_id = 1636148068921376768
source_id = 3356881395577357824
classprob_dsc_combmod_quasar = 1.0770247e-07
classprob_dsc_combmod_galaxy = 5.6728027e-13
classprob_dsc_combmod_star = 0.99903786
classprob_dsc_combmod_whitedwarf = 1.5119083e-06
classprob_dsc_combmod_binarystar = 0.00096047943
classprob_dsc_specmod_quasar = 0.0094832815
classprob_dsc_specmod_galaxy = 0.0
classprob_dsc_specmod_star = 0.89745086
classprob_dsc_specmod_whitedwarf = 0.0067821154
classprob_dsc_specmod_binarystar = 0.08628376
classprob_dsc_allosmod_quasar = 0.0
classprob_dsc_allosmod_galaxy = 0.0
classprob_dsc_allosmod_star = 1.0
mh_msc = -0.6766641
mh_msc_upper = 0.5
mh_msc_lower = -1.0
azero_msc = 0.028986428
azero_msc_upper = 0.27401167
azero_msc_lower = 0.0
distance_msc = 85.95721
distance_msc_upper = 89.78632
distance_msc_lower = 83.534874
teff_msc1 = 6402.6606
teff_msc1_upper = 6564.3745
teff_msc1_lower = 6299.7896
teff_msc2 = 5380.6797
teff_msc2_upper = 5665.797
teff_msc2_lower = 5154.3223
logg_msc1 = 4.6178045
logg_msc1_upper = 4.771899
logg_msc1_lower = 4.0266886
logg_msc2 = 4.654928
logg_msc2_upper = 5.2
logg_msc2_lower = 4.269663
ag_msc = 0.024806002
ag_msc_upper = 0.23383419
ag_msc_lower = 0.0
logposterior_msc = -20.34491
mcmcaccept_msc = 0.28374702
mcmcdrift_msc = 0.1250864
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 08:48:36 +0200



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