Double Star Calculator - Results


Discoverer & Number: STFB 11 AB -> DSCALC Archive
Gaia Source ID - Star A          : 1790202365373760256    Simbad
Gaia Source ID - Star B          : 1790202571530814464    Simbad
Observation Epoch : J 2024.667 / 2024-09-01 Angular Separation : 36.113" ± 3.6255 mas Position Angle : 311.53 ± 0.00530 degrees
Star A/B Epoch : J 2016.000 / J 2016.000 Angular Separation : 36.240" ± 0.3079 mas Position Angle : 311.49 ± 0.00045 degrees LB of Projected Separation (AU): 1525.36 AU Spatial Separation (pc) : 5.87 ± 0.80 pc Spatial Separation (ly) : 19.16 ± 2.62 ly Proper Motion Angular Difference : 5.65 ± 0.62 degrees Total Proper Motion Difference : 8.22 ± 0.48 mas/yr Tangential Velocity Difference : 1.78 ± 0.50 km/s Radial Velocity Difference : 5.54 ± 1.68 km/s Space Velocity Difference : 5.81 ± 1.59 km/s

Aladin Lite Sky Atlas



Star A
Gaia Source ID                   : 1790202365373760256  Simbad
Epoch : J 2016.000 Right Ascension (RA) : 21h 22m 5.32s Declination (Dec) : 19° 48' 17.24" Distance (pc) : 47.97 ± 0.33 pc Distance (ly) : 156.44 ± 1.09 ly Magnitude (Gaia G-band) : 3.77 mag Absolute Magnitude : 0.37 ± 0.03 mag Spectral Type (color index) : K Luminosity (solar luminosities) : 52.61 +1.72/−1.66 L☉ Mass estimation (solar masses) : 5.21 M☉ RUWE : 2.03 Position Angle of Proper Motion : 59.19 ± 0.16 degrees Total Proper Motion : 122.70 ± 0.14 mas/yr Total Proper Motion (Gaia) : 122.70 mas/yr Tangential Velocity : 27.90 ± 0.20 km/s Radial Velocity (Gaia) : -77.13 ± 0.12 km/s Space Velocity : 82.02 ± 0.13 km/s
Star A - Double Star Quality Metrics
Parallax over error :    143.535 : very good
RUWE                :      2.030 : poor astrometric fit, (possible double)
Duplicated source   :      false : single source
G magnitude         :      3.772 : G > 3 mag, photometry reliable
Excess noise        :      0.805 : poor fit, model deviation significant
  Significance      :   1339.988 :   possible double star, motion, mismatch
BP-RP excess factor :      1.223 : photometry consistent
Visibility periods  :         14 : high, indicates well observed star
IPD multi-peak frac :        23% : mulitple peaks detected (possible double)
IDP GoF harmonic amp:      0.003 : unobtrusive (single star source)

Star B
Gaia Source ID                   : 1790202571530814464  Simbad
Epoch : J 2016.000 Right Ascension (RA) : 21h 22m 3.40s Declination (Dec) : 19° 48' 41.25" Distance (parsecs) : 42.09 ± 0.73 pc Distance (lightyears) : 137.28 ± 2.39 ly Magnitude (Gaia G-band) : 8.95 mag Absolute Magnitude : 5.83 ± 0.09 mag Spectral Type (color index) : G Luminosity (solar luminosities) : 0.34 +0.03/−0.03 L☉ Mass estimation (solar masses) : 0.66 M☉ RUWE : 20.38 Position Angle of Proper Motion : 64.84 ± 0.60 degrees Total Proper Motion : 130.92 ± 0.46 mas/yr Total Proper Motion (Gaia) : 130.92 mas/yr Tangential Velocity : 26.12 ± 0.46 km/s Radial Velocity (Gaia) : -71.60 ± 1.67 km/s Space Velocity : 76.21 ± 1.58 km/s

Star B - Double Star Quality Metrics
Parallax over error :     57.530 : very good
RUWE                :     20.380 : poor astrometric fit, (possible double)
Duplicated source   :      false : single source
G magnitude         :      8.952 : G > 3 mag, photometry reliable
Excess noise        :      3.358 : poor fit, model deviation significant
  Significance      :  13235.909 :   possible double star, motion, mismatch
BP-RP excess factor :      1.222 : photometry consistent
Visibility periods  :         16 : high, indicates well observed star
IPD multi-peak frac :         0% : single peak detected
IDP GoF harmonic amp:      0.015 : unobtrusive (single star source)

Double Star plausibility checks

Check separation:
Spatial separation : 5.87 pc, with an uncertainty range of [ 5.07, 6.68] pc
Probability for a physical pair: Close to or zero (Nominal) / Close to or zero (at lower bound of uncertainty)
Separation-Based Evidence factor: 0.026 (Nominal) / Flag: normal

Check proper motion:

Relative Proper Motion Angular difference: 3.14 %
Relative Total Proper Motion difference: 6.70 %
Relative Tangential Velocity difference: 6.80 %
Relative Radial Velocity difference: -7.18 %
Relative Space Velocity difference: 7.63 %
Estimated CPM Probability: 82.09 %
CPM-Based Evidence factor: 0.674

Physical Binding Evidence:
Combined Physical Binding Evidence factor: 0.026

Check RUWE parameters:
RUWE probability for a binary system (Star A): Medium
RUWE probability for a binary system (Star B): Very high

Separation and position angle as a function of Julian Epoch

-- 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     37.933    0.049     310.908    0.067
1901.0     37.919    0.048     310.913    0.066
1902.0     37.904    0.048     310.918    0.065
1903.0     37.889    0.047     310.922    0.065
1904.0     37.875    0.047     310.927    0.064
1905.0     37.860    0.046     310.932    0.064
1906.0     37.846    0.046     310.937    0.063
1907.0     37.831    0.046     310.942    0.063
1908.0     37.816    0.045     310.946    0.062
1909.0     37.802    0.045     310.951    0.062
1910.0     37.787    0.044     310.956    0.061
1911.0     37.772    0.044     310.961    0.061
1912.0     37.758    0.044     310.966    0.060
1913.0     37.743    0.043     310.971    0.059
1914.0     37.729    0.043     310.975    0.059
1915.0     37.714    0.042     310.980    0.058
1916.0     37.699    0.042     310.985    0.058
1917.0     37.685    0.041     310.990    0.057
1918.0     37.670    0.041     310.995    0.057
1919.0     37.656    0.041     311.000    0.056
1920.0     37.641    0.040     311.004    0.056
1921.0     37.626    0.040     311.009    0.055
1922.0     37.612    0.039     311.014    0.054
1923.0     37.597    0.039     311.019    0.054
1924.0     37.583    0.038     311.024    0.053
1925.0     37.568    0.038     311.029    0.053
1926.0     37.553    0.038     311.034    0.052
1927.0     37.539    0.037     311.038    0.052
1928.0     37.524    0.037     311.043    0.051
1929.0     37.509    0.036     311.048    0.051
1930.0     37.495    0.036     311.053    0.050
1931.0     37.480    0.036     311.058    0.049
1932.0     37.466    0.035     311.063    0.049
1933.0     37.451    0.035     311.068    0.048
1934.0     37.436    0.034     311.073    0.048
1935.0     37.422    0.034     311.078    0.047
1936.0     37.407    0.033     311.082    0.047
1937.0     37.393    0.033     311.087    0.046
1938.0     37.378    0.033     311.092    0.046
1939.0     37.363    0.032     311.097    0.045
1940.0     37.349    0.032     311.102    0.044
1941.0     37.334    0.031     311.107    0.044
1942.0     37.320    0.031     311.112    0.043
1943.0     37.305    0.031     311.117    0.043
1944.0     37.290    0.030     311.122    0.042
1945.0     37.276    0.030     311.127    0.042
1946.0     37.261    0.029     311.132    0.041
1947.0     37.247    0.029     311.137    0.040
1948.0     37.232    0.028     311.142    0.040
1949.0     37.217    0.028     311.147    0.039
1950.0     37.203    0.028     311.152    0.039
1951.0     37.188    0.027     311.157    0.038
1952.0     37.174    0.027     311.161    0.038
1953.0     37.159    0.026     311.166    0.037
1954.0     37.144    0.026     311.171    0.036
1955.0     37.130    0.025     311.176    0.036
1956.0     37.115    0.025     311.181    0.035
1957.0     37.101    0.025     311.186    0.035
1958.0     37.086    0.024     311.191    0.034
1959.0     37.071    0.024     311.196    0.034
1960.0     37.057    0.023     311.201    0.033
1961.0     37.042    0.023     311.206    0.032
1962.0     37.028    0.023     311.211    0.032
1963.0     37.013    0.022     311.216    0.031
1964.0     36.998    0.022     311.221    0.031
1965.0     36.984    0.021     311.226    0.030
1966.0     36.969    0.021     311.231    0.030
1967.0     36.955    0.020     311.237    0.029
1968.0     36.940    0.020     311.242    0.028
1969.0     36.925    0.020     311.247    0.028
1970.0     36.911    0.019     311.252    0.027
1971.0     36.896    0.019     311.257    0.027
1972.0     36.882    0.018     311.262    0.026
1973.0     36.867    0.018     311.267    0.025
1974.0     36.852    0.018     311.272    0.025
1975.0     36.838    0.017     311.277    0.024
1976.0     36.823    0.017     311.282    0.024
1977.0     36.809    0.016     311.287    0.023
1978.0     36.794    0.016     311.292    0.023
1979.0     36.779    0.015     311.297    0.022
1980.0     36.765    0.015     311.302    0.021
1981.0     36.750    0.015     311.307    0.021
1982.0     36.736    0.014     311.312    0.020
1983.0     36.721    0.014     311.318    0.020
1984.0     36.706    0.013     311.323    0.019
1985.0     36.692    0.013     311.328    0.018
1986.0     36.677    0.013     311.333    0.018
1987.0     36.663    0.012     311.338    0.017
1988.0     36.648    0.012     311.343    0.017
1989.0     36.633    0.011     311.348    0.016
1990.0     36.619    0.011     311.353    0.016
1991.0     36.604    0.010     311.358    0.015
1992.0     36.590    0.010     311.364    0.014
1993.0     36.575    0.010     311.369    0.014
1994.0     36.560    0.009     311.374    0.013
1995.0     36.546    0.009     311.379    0.013
1996.0     36.531    0.008     311.384    0.012
1997.0     36.517    0.008     311.389    0.011
1998.0     36.502    0.008     311.394    0.011
1999.0     36.488    0.007     311.400    0.010
2000.0     36.473    0.007     311.405    0.010
2001.0     36.458    0.006     311.410    0.009
2002.0     36.444    0.006     311.415    0.008
2003.0     36.429    0.005     311.420    0.008
2004.0     36.415    0.005     311.425    0.007
2005.0     36.400    0.005     311.431    0.007
2006.0     36.385    0.004     311.436    0.006
2007.0     36.371    0.004     311.441    0.005
2008.0     36.356    0.003     311.446    0.005
2009.0     36.342    0.003     311.451    0.004
2010.0     36.327    0.003     311.457    0.004
2011.0     36.312    0.002     311.462    0.003
2012.0     36.298    0.002     311.467    0.002
2013.0     36.283    0.001     311.472    0.002
2014.0     36.269    0.001     311.477    0.001
2015.0     36.254    0.001     311.483    0.001
2016.0     36.240    0.000     311.488    0.000
2017.0     36.225    0.001     311.493    0.001
2018.0     36.210    0.001     311.498    0.001
2019.0     36.196    0.001     311.504    0.002
2020.0     36.181    0.002     311.509    0.002
2021.0     36.167    0.002     311.514    0.003
2022.0     36.152    0.003     311.519    0.004
2023.0     36.137    0.003     311.525    0.004
2024.0     36.123    0.003     311.530    0.005
2025.0     36.108    0.004     311.535    0.005
2026.0     36.094    0.004     311.540    0.006
2027.0     36.079    0.005     311.546    0.007
2028.0     36.065    0.005     311.551    0.007
2029.0     36.050    0.005     311.556    0.008
2030.0     36.035    0.006     311.562    0.009
2031.0     36.021    0.006     311.567    0.009
2032.0     36.006    0.007     311.572    0.010
2033.0     35.992    0.007     311.577    0.010
2034.0     35.977    0.008     311.583    0.011
2035.0     35.963    0.008     311.588    0.012
2036.0     35.948    0.008     311.593    0.012
2037.0     35.933    0.009     311.599    0.013
2038.0     35.919    0.009     311.604    0.013
2039.0     35.904    0.010     311.609    0.014
2040.0     35.890    0.010     311.615    0.015
2041.0     35.875    0.010     311.620    0.015
2042.0     35.860    0.011     311.625    0.016
2043.0     35.846    0.011     311.631    0.017
2044.0     35.831    0.012     311.636    0.017
2045.0     35.817    0.012     311.641    0.018
2046.0     35.802    0.012     311.647    0.018
2047.0     35.788    0.013     311.652    0.019
2048.0     35.773    0.013     311.657    0.020
2049.0     35.758    0.014     311.663    0.020
2050.0     35.744    0.014     311.668    0.021
2051.0     35.729    0.015     311.674    0.021
2052.0     35.715    0.015     311.679    0.022
2053.0     35.700    0.015     311.684    0.023
2054.0     35.686    0.016     311.690    0.023
2055.0     35.671    0.016     311.695    0.024
2056.0     35.656    0.017     311.701    0.025
2057.0     35.642    0.017     311.706    0.025
2058.0     35.627    0.017     311.711    0.026
2059.0     35.613    0.018     311.717    0.026
2060.0     35.598    0.018     311.722    0.027
2061.0     35.584    0.019     311.728    0.028
2062.0     35.569    0.019     311.733    0.028
2063.0     35.554    0.020     311.738    0.029
2064.0     35.540    0.020     311.744    0.030
2065.0     35.525    0.020     311.749    0.030
2066.0     35.511    0.021     311.755    0.031
2067.0     35.496    0.021     311.760    0.032
2068.0     35.482    0.022     311.766    0.032
2069.0     35.467    0.022     311.771    0.033
2070.0     35.452    0.022     311.777    0.033
2071.0     35.438    0.023     311.782    0.034
2072.0     35.423    0.023     311.788    0.035
2073.0     35.409    0.024     311.793    0.035
2074.0     35.394    0.024     311.799    0.036
2075.0     35.380    0.025     311.804    0.037
2076.0     35.365    0.025     311.810    0.037
2077.0     35.351    0.025     311.815    0.038
2078.0     35.336    0.026     311.821    0.039
2079.0     35.321    0.026     311.826    0.039
2080.0     35.307    0.027     311.832    0.040
2081.0     35.292    0.027     311.837    0.040
2082.0     35.278    0.027     311.843    0.041
2083.0     35.263    0.028     311.848    0.042
2084.0     35.249    0.028     311.854    0.042
2085.0     35.234    0.029     311.859    0.043
2086.0     35.219    0.029     311.865    0.044
2087.0     35.205    0.030     311.870    0.044
2088.0     35.190    0.030     311.876    0.045
2089.0     35.176    0.030     311.881    0.046
2090.0     35.161    0.031     311.887    0.046
2091.0     35.147    0.031     311.892    0.047
2092.0     35.132    0.032     311.898    0.048
2093.0     35.118    0.032     311.904    0.048
2094.0     35.103    0.032     311.909    0.049
2095.0     35.088    0.033     311.915    0.049
2096.0     35.074    0.033     311.920    0.050
2097.0     35.059    0.034     311.926    0.051
2098.0     35.045    0.034     311.931    0.051
2099.0     35.030    0.034     311.937    0.052
2100.0     35.016    0.035     311.943    0.053


Measurements for STFB 11 AB

WDS ID      Discovr     Comp  #    Sep      PA       Epoch      Obs  Telescope     Camera    Note
-------------------------------------------------------------------------------------------------
21221+1948  STFB 11     AB    1    36.36"   311.2°   B2024.671  HWI  120/900 APO   ASI678MM  


WDS record for STFB 11 AB
wds_id                       : 21221+1948
discoverer_code              : STFB
discoverer_number            : 11
discoverer_components        : AB
date_first                   : 1780
date_last                    : 2020
num_of_obs                   : 85
pa_first                     : 308
pa_last                      : 313
sep_first                    : 37.1
sep_last                     : 36.6
mag_primary                  : 4.2
mag_secondary                : 9.3
spectral_type                : K1III+K0V
primary_proper_motion_RA     : 105
primary_proper_motion_DEC    : 63
secondary_proper_motion_RA   : 119
secondary_proper_motion_DEC  : 56
dm_number                    : +19 4691
notes                        : NO T
precise_coordinate           : 212205.13+194815.7

WDS Notes:
----------
N: Notes found in WDSNOT MEMO of WDS
O: Orbit described in WDSNOT MEMO and has entry in Orbit Catalog
T: Similar parallax/proper motion: physical


Orbital Elements for STFB 11 AB
WDS: STFB 11 AB WDS ID/Discoverer
P: 13500.000 Orbital period (years)
a: 21.97 Semi-major axis (arcseconds)
i: 18.0 Inclination (degrees)
Ω: 131.0 Longitude of ascending node (degrees)
T: 7315.000 Epoch of periastron passage (year)
e: 0.7 Eccentricity
ω: 351.0 Longitude of periastron (degrees)
Start-Year: -4725.0 Year
End-Year: 8775.0 Year
Epoch: 2024.67 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for STFB 11 AB
Position: 212205.13+194815.7 Epoch-2000 right ascension and declination
WDS-ID: 21221+1948 WDS designation
Discoverer Code: STFB 11 AB Discover designation and components
ADS number: 14909 Aitken Double Star catalog
HD number: 203504 HD catalog number
Hipparcos number: 105502 Hipparcos catalog number
V1: 4.20 Magnitude of the primary
V2: 9.3 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2011 Date of last observation
Orbit grade: 5 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags

Double Star Orbit for STFB 11 AB



WDS 6th Orbit including measures of STFB 11 AB

-- 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 STFB 11 AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2024.67   36.110    311.8
-------------------------
-4725.0    18.086    248.5
-4625.0    18.894    251.0
-4525.0    19.680    253.4
-4425.0    20.442    255.6
-4325.0    21.182    257.6
-4225.0    21.900    259.5
-4125.0    22.597    261.2
-4025.0    23.273    262.9
-3925.0    23.929    264.5
-3825.0    24.564    266.0
-3725.0    25.180    267.4
-3625.0    25.777    268.7
-3525.0    26.355    270.0
-3425.0    26.915    271.2
-3325.0    27.457    272.4
-3225.0    27.982    273.6
-3125.0    28.489    274.6
-3025.0    28.980    275.7
-2925.0    29.454    276.7
-2825.0    29.913    277.7
-2725.0    30.355    278.7
-2625.0    30.782    279.6
-2525.0    31.194    280.5
-2425.0    31.591    281.4
-2325.0    31.973    282.3
-2225.0    32.341    283.1
-2125.0    32.694    284.0
-2025.0    33.033    284.8
-1925.0    33.358    285.6
-1825.0    33.669    286.3
-1725.0    33.967    287.1
-1625.0    34.251    287.9
-1525.0    34.521    288.6
-1425.0    34.779    289.3
-1325.0    35.024    290.0
-1225.0    35.255    290.7
-1125.0    35.474    291.4
-1025.0    35.680    292.1
-925.0    35.874    292.8
-825.0    36.055    293.5
-725.0    36.223    294.2
-625.0    36.379    294.8
-525.0    36.523    295.5
-425.0    36.655    296.1
-325.0    36.774    296.8
-225.0    36.881    297.4
-125.0    36.976    298.1
-25.0     37.060    298.7
75.0      37.131    299.3
175.0     37.190    300.0
275.0     37.237    300.6
375.0     37.272    301.2
475.0     37.295    301.9
575.0     37.306    302.5
675.0     37.305    303.1
775.0     37.292    303.8
875.0     37.267    304.4
975.0     37.231    305.0
1075.0    37.182    305.6
1175.0    37.121    306.3
1275.0    37.048    306.9
1375.0    36.963    307.6
1475.0    36.865    308.2
1575.0    36.756    308.8
1675.0    36.634    309.5
1775.0    36.500    310.1
1875.0    36.353    310.8
1975.0    36.194    311.5
2075.0    36.022    312.1
2175.0    35.837    312.8
2275.0    35.640    313.5
2375.0    35.429    314.2
2475.0    35.206    314.9
2575.0    34.969    315.6
2675.0    34.719    316.3
2775.0    34.456    317.0
2875.0    34.179    317.8
2975.0    33.888    318.5
3075.0    33.583    319.3
3175.0    33.264    320.1
3275.0    32.931    320.9
3375.0    32.583    321.7
3475.0    32.220    322.5
3575.0    31.843    323.4
3675.0    31.450    324.3
3775.0    31.041    325.2
3875.0    30.617    326.1
3975.0    30.176    327.0
4075.0    29.719    328.0
4175.0    29.246    329.0
4275.0    28.755    330.0
4375.0    28.246    331.1
4475.0    27.720    332.2
4575.0    27.175    333.4
4675.0    26.612    334.6
4775.0    26.029    335.9
4875.0    25.426    337.2
4975.0    24.804    338.6
5075.0    24.160    340.0
5175.0    23.495    341.6
5275.0    22.808    343.2
5375.0    22.098    344.9
5475.0    21.365    346.8
5575.0    20.608    348.8
5675.0    19.827    350.9
5775.0    19.020    353.2
5875.0    18.189    355.8
5975.0    17.332    358.5
6075.0    16.449      1.6
6175.0    15.541      5.0
6275.0    14.609      8.9
6375.0    13.656     13.3
6475.0    12.685     18.3
6575.0    11.702     24.2
6675.0    10.720     31.2
6775.0     9.754     39.5
6875.0     8.833     49.7
6975.0     7.997     62.1
7075.0     7.303     77.1
7175.0     6.815     94.8
7275.0     6.592    114.4
7375.0     6.656    134.4
7475.0     6.989    153.3
7575.0     7.543    170.0
7675.0     8.260    184.1
7775.0     9.086    195.7
7875.0     9.978    205.4
7975.0    10.905    213.4
8075.0    11.845    220.2
8175.0    12.784    226.0
8275.0    13.714    231.0
8375.0    14.630    235.3
8475.0    15.526    239.2
8575.0    16.402    242.6
8675.0    17.256    245.7


Parsed GAIA Input Data
Click to expand/collapse the Gaia Input Data:
Star A
solution_id = 1636148068921376768
designation = Gaia DR3 1790202365373760256
source_id = 1790202365373760256
random_index = 307218936.0
ref_epoch = 2016.0
ra = 320.52216241512485
ra_error = 0.13590373
dec = 19.804789713946604
dec_error = 0.07526381
parallax = 20.848168338475414
parallax_error = 0.14524819
parallax_over_error = 143.53479
pm = 122.70384
pmra = 105.39116798282723
pmra_error = 0.15698768
pmdec = 62.84054757968135
pmdec_error = 0.08982463
ra_dec_corr = -0.58612895
ra_parallax_corr = 0.3591708
ra_pmra_corr = -0.3758696
ra_pmdec_corr = 0.36503989
dec_parallax_corr = -0.09390976
dec_pmra_corr = 0.29731423
dec_pmdec_corr = -0.5598287
parallax_pmra_corr = -0.30443913
parallax_pmdec_corr = 0.16437063
pmra_pmdec_corr = -0.49001262
astrometric_n_obs_al = 317
astrometric_n_obs_ac = 317
astrometric_n_good_obs_al = 308
astrometric_n_bad_obs_al = 9
astrometric_gof_al = 22.360481
astrometric_chi2_al = 39973.805
astrometric_excess_noise = 0.80543983
astrometric_excess_noise_sig = 1339.9878
astrometric_params_solved = 95
astrometric_primary_flag = false
pseudocolour = 1.3665113
pseudocolour_error = 0.021025978
ra_pseudocolour_corr = -0.08022385
dec_pseudocolour_corr = 0.20119385
parallax_pseudocolour_corr = -0.17388931
pmra_pseudocolour_corr = 0.029655028
pmdec_pseudocolour_corr = -0.23590487
astrometric_matched_transits = 36
visibility_periods_used = 14
astrometric_sigma5d_max = 0.24231593
matched_transits = 38
new_matched_transits = 38
matched_transits_removed = 0
ipd_gof_harmonic_amplitude = 0.0029425793
ipd_gof_harmonic_phase = 159.31003
ipd_frac_multi_peak = 23
ipd_frac_odd_win = 0
ruwe = 2.034912
duplicated_source = false
phot_g_n_obs = 298
phot_g_mean_flux = 583637197.0746934
phot_g_mean_flux_error = 523195.97
phot_g_mean_flux_over_error = 1115.5231
phot_g_mean_mag = 3.7720094
phot_bp_n_obs = 36
phot_bp_mean_flux = 245306950.67873347
phot_bp_mean_flux_error = 1545927.6
phot_bp_mean_flux_over_error = 158.67946
phot_bp_mean_mag = 4.3642673
phot_rp_n_obs = 36
phot_rp_mean_flux = 468749922.20551413
phot_rp_mean_flux_error = 1534870.1
phot_rp_mean_flux_over_error = 305.4004
phot_rp_mean_mag = 3.0705426
phot_bp_rp_excess_factor = 1.2234602
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 = 1.2937248
bp_g = 0.592258
g_rp = 0.7014668
radial_velocity = -77.13383
radial_velocity_error = 0.12048626
rv_method_used = 1
rv_nb_transits = 2
rv_nb_deblended_transits = 0
rv_visibility_periods_used = 2
rv_expected_sig_to_noise = 562.5219
rv_time_duration = 577.5172
rv_template_teff = 4750.0
rv_template_logg = 2.5
rv_template_fe_h = 0.0
rv_atm_param_origin = 222
grvs_mag = 2.8570213
grvs_mag_error = 0.025528409
grvs_mag_nb_transits = 2
phot_variable_flag = NOT_AVAILABLE
l = 70.0508882917806
b = -20.92429750569382
ecl_lon = 330.3110381145384
ecl_lat = 33.28460915633415
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 = false
in_andromeda_survey = false
classprob_dsc_combmod_quasar = 1.0274254e-13
classprob_dsc_combmod_galaxy = 5.131938e-13
classprob_dsc_combmod_star = 0.9999288
    Star B
solution_id = 1636148068921376768
designation = Gaia DR3 1790202571530814464
source_id = 1790202571530814464
random_index = 1531098218.0
ref_epoch = 2016.0
ra = 320.5141472143
ra_error = 0.3386812
dec = 19.811458233769162
dec_error = 0.24415031
parallax = 23.75798711938306
parallax_error = 0.4129684
parallax_over_error = 57.529797
pm = 130.92096
pmra = 118.5008133076914
pmra_error = 0.49270898
pmdec = 55.658361007848455
pmdec_error = 0.29223695
ra_dec_corr = -0.33734155
ra_parallax_corr = 0.04002275
ra_pmra_corr = -0.28770489
ra_pmdec_corr = 0.23000385
dec_parallax_corr = 0.035078473
dec_pmra_corr = 0.22420108
dec_pmdec_corr = -0.5563622
parallax_pmra_corr = -0.023948815
parallax_pmdec_corr = 0.05005881
pmra_pmdec_corr = -0.33660212
astrometric_n_obs_al = 435
astrometric_n_obs_ac = 435
astrometric_n_good_obs_al = 417
astrometric_n_bad_obs_al = 18
astrometric_gof_al = 278.20996
astrometric_chi2_al = 343420.44
astrometric_excess_noise = 3.3581378
astrometric_excess_noise_sig = 13235.909
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.5064553
astrometric_matched_transits = 47
visibility_periods_used = 16
astrometric_sigma5d_max = 0.71435726
matched_transits = 54
new_matched_transits = 24
matched_transits_removed = 0
ipd_gof_harmonic_amplitude = 0.015186522
ipd_gof_harmonic_phase = 176.26775
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 20.378487
duplicated_source = false
phot_g_n_obs = 457
phot_g_mean_flux = 4943448.37226442
phot_g_mean_flux_error = 521.97144
phot_g_mean_flux_over_error = 9470.726
phot_g_mean_mag = 8.9522915
phot_bp_n_obs = 49
phot_bp_mean_flux = 2399024.1892303564
phot_bp_mean_flux_error = 465.80734
phot_bp_mean_flux_over_error = 5150.25
phot_bp_mean_mag = 9.388455
phot_rp_n_obs = 51
phot_rp_mean_flux = 3643011.611914294
phot_rp_mean_flux_error = 1093.9037
phot_rp_mean_flux_over_error = 3330.2856
phot_rp_mean_mag = 8.344244
phot_bp_rp_excess_factor = 1.222231
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 = 1.0442114
bp_g = 0.4361639
g_rp = 0.6080475
radial_velocity = -71.59508
radial_velocity_error = 1.6737016
rv_method_used = 1
rv_nb_transits = 17
rv_nb_deblended_transits = 3
rv_visibility_periods_used = 10
rv_expected_sig_to_noise = 196.62439
rv_renormalised_gof = 58.42961
rv_chisq_pvalue = 0.0
rv_time_duration = 899.46515
rv_amplitude_robust = 13.200424
rv_template_teff = 5250.0
rv_template_logg = 4.0
rv_template_fe_h = 0.0
rv_atm_param_origin = 440
vbroad = 8.027012
vbroad_error = 2.2624555
vbroad_nb_transits = 12
grvs_mag = 8.095754
grvs_mag_error = 0.006668367
grvs_mag_nb_transits = 12
phot_variable_flag = NOT_AVAILABLE
l = 70.05097293584309
b = -20.914231273411257
ecl_lon = 330.30557736795606
ecl_lat = 33.29358126716763
in_qso_candidates = false
in_galaxy_candidates = false
non_single_star = 3
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 = false
in_andromeda_survey = false
classprob_dsc_combmod_quasar = 1.0589242e-13
classprob_dsc_combmod_galaxy = 5.289273e-13
classprob_dsc_combmod_star = 0.99961686
teff_gspphot = 4991.1455
teff_gspphot_lower = 4990.408
teff_gspphot_upper = 4991.855
logg_gspphot = 4.402
logg_gspphot_lower = 4.3924
logg_gspphot_upper = 4.4105
mh_gspphot = -0.4121
mh_gspphot_lower = -0.4154
mh_gspphot_upper = -0.4085
distance_gspphot = 50.2283
distance_gspphot_lower = 49.4341
distance_gspphot_upper = 51.1029
azero_gspphot = 0.0001
azero_gspphot_lower = 0.0
azero_gspphot_upper = 0.0003
ag_gspphot = 0.0001
ag_gspphot_lower = 0.0
ag_gspphot_upper = 0.0003
ebpminrp_gspphot = 0.0
ebpminrp_gspphot_lower = 0.0
ebpminrp_gspphot_upper = 0.0002
libname_gspphot = MARCS




Observation Date:


Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. 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 1.0 ($Rev: 1734 $)
Report created: 2025-12-29 22:41:34 +0100



www.stella-vega.de