Double Star Calculator - Results


Discoverer & Number: STF 1245 AB -> DSCALC Archive
Gaia Source ID - Star A          : 594989348593414016    Simbad
Gaia Source ID - Star B          : 594989417312890368    Simbad
Observation Epoch : J 2024.248 / 2024-04-01 Angular Separation : 9.992" ± 1.0461 mas Position Angle : 24.57 ± 0.00690 degrees
Star A/B Epoch : J 2016.000 / J 2016.000 Angular Separation : 10.044" ± 0.0776 mas Position Angle : 24.76 ± 0.00066 degrees LB of Projected Separation (AU): 257.67 AU Spatial Separation (ly) : 1.22 ± 0.35 ly Spatial Separation (AU) : 77078.53 ± 21897.46 AU Proper Motion Angular Difference : 0.50 ± 0.20 degrees Total Proper Motion Difference : 7.28 ± 0.14 mas/yr Tangential Velocity Difference : 0.56 ± 0.10 km/s Radial Velocity Difference : 8.71 ± 2.32 km/s Space Velocity Difference : 6.66 ± 1.53 km/s

Aladin Lite Sky Atlas



Star A
Gaia Source ID                   : 594989348593414016  Simbad
Epoch : J 2016.000 Right Ascension (RA) : 08h 35m 50.84s Declination (Dec) : 6° 37' 10.64" Distance (pc) : 26.03 ± 0.10 pc Distance (ly) : 84.89 ± 0.33 ly Magnitude (Gaia G-band) : 5.81 mag Absolute Magnitude : 3.74 ± 0.02 mag Spectral Type (color index) : F Luminosity (solar luminosities) : 2.36 +0.04/−0.04 L☉ Mass estimation (solar masses) : 1.36 M☉ RUWE : 3.49 Position Angle of Proper Motion : 224.39 ± 0.19 degrees Total Proper Motion : 186.28 ± 0.13 mas/yr Total Proper Motion (Gaia) : 186.28 mas/yr Tangential Velocity : 22.98 ± 0.09 km/s Radial Velocity (Gaia) : 19.99 ± 2.32 km/s Space Velocity : 30.46 ± 1.53 km/s
Star A - Double Star Quality Metrics
Parallax over error :    253.562 : very good
RUWE                :      3.490 : poor astrometric fit, (possible double)
Duplicated source   :      false : single source
G magnitude         :      5.813 : G > 3 mag, photometry reliable
Excess noise        :      0.814 : poor fit, model deviation significant
  Significance      :   1118.243 :   possible double star, motion, mismatch
BP-RP excess factor :      1.194 : photometry consistent
Visibility periods  :         15 : high, indicates well observed star
IPD multi-peak frac :         0% : single peak detected
IDP GoF harmonic amp:      0.040 : unobtrusive (single star source)

Star B
Gaia Source ID                   : 594989417312890368  Simbad
Epoch : J 2016.000 Right Ascension (RA) : 08h 35m 51.12s Declination (Dec) : 6° 37' 19.76" Distance (parsecs) : 25.65 ± 0.03 pc Distance (lightyears) : 83.67 ± 0.09 ly Magnitude (Gaia G-band) : 7.02 mag Absolute Magnitude : 4.98 ± 0.01 mag Spectral Type (color index) : G Luminosity (solar luminosities) : 0.75 +0.00/−0.00 L☉ Mass estimation (solar masses) : 0.90 M☉ RUWE : 1.89 Position Angle of Proper Motion : 224.88 ± 0.05 degrees Total Proper Motion : 193.56 ± 0.04 mas/yr Total Proper Motion (Gaia) : 193.56 mas/yr Tangential Velocity : 23.54 ± 0.03 km/s Radial Velocity (Gaia) : 28.70 ± 0.12 km/s Space Velocity : 37.12 ± 0.09 km/s

Star B - Double Star Quality Metrics
Parallax over error :    946.797 : very good
RUWE                :      1.890 : poor astrometric fit, (possible double)
Duplicated source   :      false : single source
G magnitude         :      7.024 : G > 3 mag, photometry reliable
Excess noise        :      0.256 : poor fit, model deviation significant
  Significance      :     71.510 :   possible double star, motion, mismatch
BP-RP excess factor :      1.208 : photometry consistent
Visibility periods  :         17 : high, indicates well observed star
IPD multi-peak frac :         1% : mulitple peaks detected (possible double)
IDP GoF harmonic amp:      0.043 : unobtrusive (single star source)

Double Star plausibility checks

Check separation:
Spatial separation : 77078.5 AU, with an uncertainty range of [ 55181.1, 98976.0] AU
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: 0.28 %
Relative Total Proper Motion difference: 3.91 %
Relative Tangential Velocity difference: 2.42 %
Relative Radial Velocity difference: 43.59 %
Relative Space Velocity difference: 21.87 %
Estimated CPM Probability: 63.53 %
CPM-Based Evidence factor: 0.404

Physical Binding Evidence:
Combined Physical Binding Evidence factor: 0.026

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

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     10.784    0.015      27.239    0.088
1901.0     10.778    0.015      27.219    0.088
1902.0     10.771    0.015      27.199    0.087
1903.0     10.765    0.014      27.179    0.086
1904.0     10.758    0.014      27.159    0.086
1905.0     10.752    0.014      27.139    0.085
1906.0     10.745    0.014      27.119    0.084
1907.0     10.739    0.014      27.099    0.083
1908.0     10.732    0.014      27.079    0.083
1909.0     10.726    0.014      27.059    0.082
1910.0     10.720    0.014      27.039    0.081
1911.0     10.713    0.013      27.018    0.081
1912.0     10.707    0.013      26.998    0.080
1913.0     10.700    0.013      26.978    0.079
1914.0     10.694    0.013      26.958    0.078
1915.0     10.687    0.013      26.938    0.078
1916.0     10.681    0.013      26.917    0.077
1917.0     10.674    0.013      26.897    0.076
1918.0     10.668    0.012      26.877    0.076
1919.0     10.662    0.012      26.856    0.075
1920.0     10.655    0.012      26.836    0.074
1921.0     10.649    0.012      26.816    0.073
1922.0     10.642    0.012      26.795    0.073
1923.0     10.636    0.012      26.775    0.072
1924.0     10.629    0.012      26.754    0.071
1925.0     10.623    0.012      26.734    0.071
1926.0     10.617    0.011      26.713    0.070
1927.0     10.610    0.011      26.693    0.069
1928.0     10.604    0.011      26.672    0.068
1929.0     10.597    0.011      26.652    0.068
1930.0     10.591    0.011      26.631    0.067
1931.0     10.584    0.011      26.610    0.066
1932.0     10.578    0.011      26.590    0.065
1933.0     10.572    0.011      26.569    0.065
1934.0     10.565    0.010      26.548    0.064
1935.0     10.559    0.010      26.528    0.063
1936.0     10.552    0.010      26.507    0.062
1937.0     10.546    0.010      26.486    0.062
1938.0     10.540    0.010      26.465    0.061
1939.0     10.533    0.010      26.444    0.060
1940.0     10.527    0.010      26.424    0.059
1941.0     10.520    0.010      26.403    0.059
1942.0     10.514    0.009      26.382    0.058
1943.0     10.508    0.009      26.361    0.057
1944.0     10.501    0.009      26.340    0.057
1945.0     10.495    0.009      26.319    0.056
1946.0     10.488    0.009      26.298    0.055
1947.0     10.482    0.009      26.277    0.054
1948.0     10.476    0.009      26.256    0.054
1949.0     10.469    0.009      26.235    0.053
1950.0     10.463    0.008      26.213    0.052
1951.0     10.456    0.008      26.192    0.051
1952.0     10.450    0.008      26.171    0.050
1953.0     10.444    0.008      26.150    0.050
1954.0     10.437    0.008      26.129    0.049
1955.0     10.431    0.008      26.107    0.048
1956.0     10.424    0.008      26.086    0.047
1957.0     10.418    0.007      26.065    0.047
1958.0     10.412    0.007      26.044    0.046
1959.0     10.405    0.007      26.022    0.045
1960.0     10.399    0.007      26.001    0.044
1961.0     10.393    0.007      25.979    0.044
1962.0     10.386    0.007      25.958    0.043
1963.0     10.380    0.007      25.937    0.042
1964.0     10.373    0.007      25.915    0.041
1965.0     10.367    0.006      25.894    0.041
1966.0     10.361    0.006      25.872    0.040
1967.0     10.354    0.006      25.850    0.039
1968.0     10.348    0.006      25.829    0.038
1969.0     10.342    0.006      25.807    0.038
1970.0     10.335    0.006      25.786    0.037
1971.0     10.329    0.006      25.764    0.036
1972.0     10.323    0.006      25.742    0.035
1973.0     10.316    0.005      25.721    0.034
1974.0     10.310    0.005      25.699    0.034
1975.0     10.303    0.005      25.677    0.033
1976.0     10.297    0.005      25.655    0.032
1977.0     10.291    0.005      25.633    0.031
1978.0     10.284    0.005      25.612    0.031
1979.0     10.278    0.005      25.590    0.030
1980.0     10.272    0.005      25.568    0.029
1981.0     10.265    0.004      25.546    0.028
1982.0     10.259    0.004      25.524    0.027
1983.0     10.253    0.004      25.502    0.027
1984.0     10.246    0.004      25.480    0.026
1985.0     10.240    0.004      25.458    0.025
1986.0     10.234    0.004      25.436    0.024
1987.0     10.227    0.004      25.414    0.023
1988.0     10.221    0.004      25.391    0.023
1989.0     10.215    0.003      25.369    0.022
1990.0     10.208    0.003      25.347    0.021
1991.0     10.202    0.003      25.325    0.020
1992.0     10.196    0.003      25.303    0.019
1993.0     10.189    0.003      25.280    0.019
1994.0     10.183    0.003      25.258    0.018
1995.0     10.177    0.003      25.236    0.017
1996.0     10.170    0.003      25.213    0.016
1997.0     10.164    0.002      25.191    0.015
1998.0     10.158    0.002      25.169    0.015
1999.0     10.151    0.002      25.146    0.014
2000.0     10.145    0.002      25.124    0.013
2001.0     10.139    0.002      25.101    0.012
2002.0     10.132    0.002      25.079    0.011
2003.0     10.126    0.002      25.056    0.011
2004.0     10.120    0.002      25.034    0.010
2005.0     10.113    0.001      25.011    0.009
2006.0     10.107    0.001      24.988    0.008
2007.0     10.101    0.001      24.966    0.007
2008.0     10.095    0.001      24.943    0.007
2009.0     10.088    0.001      24.920    0.006
2010.0     10.082    0.001      24.898    0.005
2011.0     10.076    0.001      24.875    0.004
2012.0     10.069    0.001      24.852    0.003
2013.0     10.063    0.000      24.829    0.003
2014.0     10.057    0.000      24.806    0.002
2015.0     10.050    0.000      24.783    0.001
2016.0     10.044    0.000      24.760    0.001
2017.0     10.038    0.000      24.738    0.001
2018.0     10.032    0.000      24.715    0.002
2019.0     10.025    0.000      24.692    0.003
2020.0     10.019    0.001      24.669    0.003
2021.0     10.013    0.001      24.645    0.004
2022.0     10.006    0.001      24.622    0.005
2023.0     10.000    0.001      24.599    0.006
2024.0      9.994    0.001      24.576    0.007
2025.0      9.988    0.001      24.553    0.007
2026.0      9.981    0.001      24.530    0.008
2027.0      9.975    0.001      24.507    0.009
2028.0      9.969    0.002      24.483    0.010
2029.0      9.963    0.002      24.460    0.011
2030.0      9.956    0.002      24.437    0.012
2031.0      9.950    0.002      24.413    0.013
2032.0      9.944    0.002      24.390    0.013
2033.0      9.937    0.002      24.366    0.014
2034.0      9.931    0.002      24.343    0.015
2035.0      9.925    0.002      24.320    0.016
2036.0      9.919    0.003      24.296    0.017
2037.0      9.912    0.003      24.273    0.018
2038.0      9.906    0.003      24.249    0.018
2039.0      9.900    0.003      24.225    0.019
2040.0      9.894    0.003      24.202    0.020
2041.0      9.887    0.003      24.178    0.021
2042.0      9.881    0.003      24.154    0.022
2043.0      9.875    0.003      24.131    0.023
2044.0      9.869    0.004      24.107    0.024
2045.0      9.862    0.004      24.083    0.024
2046.0      9.856    0.004      24.059    0.025
2047.0      9.850    0.004      24.036    0.026
2048.0      9.844    0.004      24.012    0.027
2049.0      9.837    0.004      23.988    0.028
2050.0      9.831    0.004      23.964    0.029
2051.0      9.825    0.004      23.940    0.030
2052.0      9.819    0.005      23.916    0.030
2053.0      9.813    0.005      23.892    0.031
2054.0      9.806    0.005      23.868    0.032
2055.0      9.800    0.005      23.844    0.033
2056.0      9.794    0.005      23.820    0.034
2057.0      9.788    0.005      23.796    0.035
2058.0      9.781    0.005      23.771    0.036
2059.0      9.775    0.005      23.747    0.036
2060.0      9.769    0.006      23.723    0.037
2061.0      9.763    0.006      23.699    0.038
2062.0      9.757    0.006      23.675    0.039
2063.0      9.750    0.006      23.650    0.040
2064.0      9.744    0.006      23.626    0.041
2065.0      9.738    0.006      23.601    0.042
2066.0      9.732    0.006      23.577    0.043
2067.0      9.725    0.006      23.553    0.044
2068.0      9.719    0.007      23.528    0.044
2069.0      9.713    0.007      23.504    0.045
2070.0      9.707    0.007      23.479    0.046
2071.0      9.701    0.007      23.455    0.047
2072.0      9.694    0.007      23.430    0.048
2073.0      9.688    0.007      23.405    0.049
2074.0      9.682    0.007      23.381    0.050
2075.0      9.676    0.007      23.356    0.051
2076.0      9.670    0.008      23.331    0.052
2077.0      9.664    0.008      23.306    0.052
2078.0      9.657    0.008      23.282    0.053
2079.0      9.651    0.008      23.257    0.054
2080.0      9.645    0.008      23.232    0.055
2081.0      9.639    0.008      23.207    0.056
2082.0      9.633    0.008      23.182    0.057
2083.0      9.626    0.008      23.157    0.058
2084.0      9.620    0.009      23.132    0.059
2085.0      9.614    0.009      23.107    0.060
2086.0      9.608    0.009      23.082    0.061
2087.0      9.602    0.009      23.057    0.061
2088.0      9.596    0.009      23.032    0.062
2089.0      9.589    0.009      23.007    0.063
2090.0      9.583    0.009      22.982    0.064
2091.0      9.577    0.009      22.957    0.065
2092.0      9.571    0.010      22.931    0.066
2093.0      9.565    0.010      22.906    0.067
2094.0      9.559    0.010      22.881    0.068
2095.0      9.552    0.010      22.855    0.069
2096.0      9.546    0.010      22.830    0.070
2097.0      9.540    0.010      22.805    0.071
2098.0      9.534    0.010      22.779    0.071
2099.0      9.528    0.010      22.754    0.072
2100.0      9.522    0.011      22.728    0.073


Measurements for STF 1245 AB

WDS ID      Discovr     Comp  #    Sep      PA       Epoch      Obs  Telescope     Camera    Note
-------------------------------------------------------------------------------------------------
08358+0637  STF 1245    AB    1    9.91"    24.0°    B2023.305  HWI  120/900 APO   ASI120MC  

-- Image of STF-1245-AB-taken with Equinox 120/900 APO --


WDS record for STF 1245 AB
wds_id                       : 08358+0637
discoverer_code              : STF
discoverer_number            : 1245
discoverer_components        : AB
date_first                   : 1782
date_last                    : 2022
num_of_obs                   : 114
pa_first                     : 27
pa_last                      : 25
sep_first                    : 12.5
sep_last                     : 10.1
mag_primary                  : 5.98
mag_secondary                : 7.16
spectral_type                : F8V+G5V
primary_proper_motion_RA     : -130
primary_proper_motion_DEC    : -133
secondary_proper_motion_RA   : -134
secondary_proper_motion_DEC  : -138
dm_number                    : +07 1997
notes                        : NO
precise_coordinate           : 083551.05+063713.9

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 1245 AB
WDS: STF 1245 AB WDS ID/Discoverer
P: 1959.000 Orbital period (years)
a: 7.8 Semi-major axis (arcseconds)
i: 95.5 Inclination (degrees)
Ω: 27.0 Longitude of ascending node (degrees)
T: 3052.412 Epoch of periastron passage (year)
e: 0.44 Eccentricity
ω: 68.9 Longitude of periastron (degrees)
Start-Year: 1046.0 Year
End-Year: 3004.0 Year
Epoch: 2024.25 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for STF 1245 AB
Position: 083551.05+063713.9 Epoch-2000 right ascension and declination
WDS-ID: 08358+0637 WDS designation
Discoverer Code: STF 1245 AB Discover designation and components
ADS number: 6886 Aitken Double Star catalog
HD number: 72945 HD catalog number
Hipparcos number: 42172 Hipparcos catalog number
V1: 5.98 Magnitude of the primary
V2: 7.16 Magnitude of the secondary
Equinox: Equinox
Date: 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 STF 1245 AB



WDS 6th Orbit including measures of STF 1245 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 STF 1245 AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2024.25    4.833    195.4
-------------------------
1046.0     3.222     21.6
1056.0     2.909     20.6
1066.0     2.580     19.3
1076.0     2.238     17.7
1086.0     1.886     15.4
1096.0     1.527     12.0
1106.0     1.168      6.6
1116.0     0.821    356.6
1126.0     0.529    333.8
1136.0     0.435    287.0
1146.0     0.636    249.6
1156.0     0.960    233.7
1166.0     1.316    226.0
1176.0     1.678    221.7
1186.0     2.039    218.9
1196.0     2.394    216.9
1206.0     2.742    215.4
1216.0     3.080    214.3
1226.0     3.408    213.4
1236.0     3.724    212.6
1246.0     4.030    212.0
1256.0     4.323    211.4
1266.0     4.604    210.9
1276.0     4.874    210.5
1286.0     5.131    210.1
1296.0     5.376    209.8
1306.0     5.609    209.5
1316.0     5.831    209.2
1326.0     6.041    208.9
1336.0     6.240    208.6
1346.0     6.428    208.4
1356.0     6.606    208.2
1366.0     6.773    208.0
1376.0     6.930    207.8
1386.0     7.077    207.6
1396.0     7.215    207.4
1406.0     7.344    207.2
1416.0     7.463    207.0
1426.0     7.574    206.8
1436.0     7.677    206.7
1446.0     7.771    206.5
1456.0     7.857    206.4
1466.0     7.936    206.2
1476.0     8.007    206.1
1486.0     8.071    205.9
1496.0     8.128    205.8
1506.0     8.178    205.6
1516.0     8.221    205.5
1526.0     8.258    205.3
1536.0     8.289    205.2
1546.0     8.314    205.1
1556.0     8.333    204.9
1566.0     8.346    204.8
1576.0     8.354    204.6
1586.0     8.356    204.5
1596.0     8.353    204.4
1606.0     8.345    204.2
1616.0     8.332    204.1
1626.0     8.314    203.9
1636.0     8.292    203.8
1646.0     8.265    203.7
1656.0     8.233    203.5
1666.0     8.197    203.4
1676.0     8.157    203.2
1686.0     8.113    203.1
1696.0     8.065    202.9
1706.0     8.013    202.8
1716.0     7.958    202.6
1726.0     7.898    202.5
1736.0     7.835    202.3
1746.0     7.769    202.2
1756.0     7.699    202.0
1766.0     7.626    201.9
1776.0     7.550    201.7
1786.0     7.470    201.5
1796.0     7.388    201.3
1806.0     7.302    201.2
1816.0     7.214    201.0
1826.0     7.122    200.8
1836.0     7.028    200.6
1846.0     6.932    200.4
1856.0     6.832    200.2
1866.0     6.730    200.0
1876.0     6.626    199.8
1886.0     6.519    199.6
1896.0     6.410    199.3
1906.0     6.299    199.1
1916.0     6.185    198.8
1926.0     6.070    198.6
1936.0     5.952    198.3
1946.0     5.832    198.0
1956.0     5.711    197.7
1966.0     5.587    197.4
1976.0     5.462    197.1
1986.0     5.335    196.8
1996.0     5.206    196.5
2006.0     5.075    196.1
2016.0     4.943    195.7
2026.0     4.810    195.3
2036.0     4.675    194.9
2046.0     4.539    194.4
2056.0     4.401    193.9
2066.0     4.263    193.4
2076.0     4.123    192.9
2086.0     3.982    192.3
2096.0     3.841    191.7
2106.0     3.698    191.0
2116.0     3.555    190.3
2126.0     3.411    189.5
2136.0     3.267    188.6
2146.0     3.122    187.7
2156.0     2.977    186.6
2166.0     2.832    185.5
2176.0     2.688    184.2
2186.0     2.544    182.8
2196.0     2.401    181.2
2206.0     2.259    179.5
2216.0     2.118    177.4
2226.0     1.980    175.1
2236.0     1.845    172.5
2246.0     1.714    169.5
2256.0     1.587    165.9
2266.0     1.467    161.8
2276.0     1.356    157.0
2286.0     1.255    151.3
2296.0     1.169    144.7
2306.0     1.099    137.2
2316.0     1.050    128.8
2326.0     1.025    119.9
2336.0     1.026    110.7
2346.0     1.052    101.7
2356.0     1.102     93.4
2366.0     1.172     85.9
2376.0     1.260     79.4
2386.0     1.361     73.8
2396.0     1.473     69.0
2406.0     1.593     64.9
2416.0     1.719     61.4
2426.0     1.850     58.3
2436.0     1.985     55.7
2446.0     2.122     53.4
2456.0     2.261     51.4
2466.0     2.402     49.6
2476.0     2.543     48.1
2486.0     2.685     46.7
2496.0     2.827     45.4
2506.0     2.969     44.2
2516.0     3.110     43.2
2526.0     3.250     42.2
2536.0     3.390     41.4
2546.0     3.527     40.6
2556.0     3.664     39.8
2566.0     3.799     39.1
2576.0     3.931     38.5
2586.0     4.062     37.9
2596.0     4.190     37.3
2606.0     4.316     36.8
2616.0     4.439     36.3
2626.0     4.559     35.8
2636.0     4.676     35.4
2646.0     4.789     34.9
2656.0     4.898     34.5
2666.0     5.004     34.1
2676.0     5.105     33.8
2686.0     5.202     33.4
2696.0     5.294     33.0
2706.0     5.380     32.7
2716.0     5.461     32.4
2726.0     5.537     32.1
2736.0     5.606     31.7
2746.0     5.668     31.4
2756.0     5.724     31.1
2766.0     5.772     30.9
2776.0     5.812     30.6
2786.0     5.843     30.3
2796.0     5.866     30.0
2806.0     5.879     29.7
2816.0     5.882     29.4
2826.0     5.875     29.2
2836.0     5.856     28.9
2846.0     5.826     28.6
2856.0     5.782     28.3
2866.0     5.726     28.0
2876.0     5.655     27.7
2886.0     5.570     27.4
2896.0     5.470     27.1
2906.0     5.353     26.8
2916.0     5.219     26.4
2926.0     5.068     26.1
2936.0     4.899     25.7
2946.0     4.712     25.3
2956.0     4.505     24.8
2966.0     4.280     24.3
2976.0     4.036     23.8
2986.0     3.772     23.1
2996.0     3.491     22.4


Parsed GAIA Input Data
Click to expand/collapse the Gaia Input Data:
Star A
solution_id = 1636148068921376768
designation = Gaia DR3 594989348593414016
source_id = 594989348593414016
random_index = 270160985.0
ref_epoch = 2016.0
ra = 128.9618235438334
ra_error = 0.11931645
dec = 6.61962210473276
dec_error = 0.061168797
parallax = 38.421204520840284
parallax_error = 0.15152575
parallax_over_error = 253.56223
pm = 186.28178
pmra = -130.30841350309237
pmra_error = 0.14330922
pmdec = -133.1188264833495
pmdec_error = 0.116408564
ra_dec_corr = -0.58248866
ra_parallax_corr = -0.3786565
ra_pmra_corr = -0.044918474
ra_pmdec_corr = 0.10150369
dec_parallax_corr = 0.41711384
dec_pmra_corr = 0.120088145
dec_pmdec_corr = -0.025258439
parallax_pmra_corr = 0.39310676
parallax_pmdec_corr = -0.286862
pmra_pmdec_corr = -0.4531553
astrometric_n_obs_al = 378
astrometric_n_obs_ac = 378
astrometric_n_good_obs_al = 376
astrometric_n_bad_obs_al = 2
astrometric_gof_al = 53.13787
astrometric_chi2_al = 34164.895
astrometric_excess_noise = 0.81356204
astrometric_excess_noise_sig = 1118.2434
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.5965369
astrometric_matched_transits = 44
visibility_periods_used = 15
astrometric_sigma5d_max = 0.2262972
matched_transits = 46
new_matched_transits = 6
matched_transits_removed = 17
ipd_gof_harmonic_amplitude = 0.039671764
ipd_gof_harmonic_phase = 2.7700372
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 3.4879014
duplicated_source = false
phot_g_n_obs = 382
phot_g_mean_flux = 89100447.79068384
phot_g_mean_flux_error = 27811.127
phot_g_mean_flux_over_error = 3203.7698
phot_g_mean_mag = 5.8126674
phot_bp_n_obs = 44
phot_bp_mean_flux = 50997462.75006927
phot_bp_mean_flux_error = 29290.87
phot_bp_mean_flux_over_error = 1741.0703
phot_bp_mean_mag = 6.0696707
phot_rp_n_obs = 41
phot_rp_mean_flux = 55373265.98967585
phot_rp_mean_flux_error = 94236.875
phot_rp_mean_flux_over_error = 587.59656
phot_rp_mean_mag = 5.389645
phot_bp_rp_excess_factor = 1.1938293
phot_bp_n_contaminated_transits = 0
phot_bp_n_blended_transits = 0
phot_rp_n_contaminated_transits = 0
phot_rp_n_blended_transits = 0
phot_proc_mode = 0
bp_rp = 0.6800256
bp_g = 0.2570033
g_rp = 0.42302227
radial_velocity = 19.99037
radial_velocity_error = 2.3216472
rv_method_used = 1
rv_nb_transits = 36
rv_nb_deblended_transits = 0
rv_visibility_periods_used = 13
rv_expected_sig_to_noise = 1142.6992
rv_chisq_pvalue = 0.0
rv_time_duration = 868.51935
rv_amplitude_robust = 39.923046
rv_template_teff = 6250.0
rv_template_logg = 4.5
rv_template_fe_h = 0.0
rv_atm_param_origin = 222
vbroad = 5.8988056
vbroad_error = 1.0433556
vbroad_nb_transits = 36
grvs_mag = 5.2340994
grvs_mag_error = 0.008115133
grvs_mag_nb_transits = 36
phot_variable_flag = NOT_AVAILABLE
l = 219.1182227094678
b = 26.201377555791577
ecl_lon = 129.61953600604613
ecl_lat = -11.622966489699321
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 = 1.3750302e-13
classprob_dsc_combmod_galaxy = 6.868207e-13
classprob_dsc_combmod_star = 0.99648726
teff_gspphot = 6126.3613
teff_gspphot_lower = 6125.1104
teff_gspphot_upper = 6127.387
logg_gspphot = 4.2159
logg_gspphot_lower = 4.2049
logg_gspphot_upper = 4.2194
mh_gspphot = -0.3836
mh_gspphot_lower = -0.3937
mh_gspphot_upper = -0.3744
distance_gspphot = 26.1934
distance_gspphot_lower = 26.0499
distance_gspphot_upper = 26.6689
azero_gspphot = 0.0
azero_gspphot_lower = 0.0
azero_gspphot_upper = 0.0002
ag_gspphot = 0.0
ag_gspphot_lower = 0.0
ag_gspphot_upper = 0.0001
ebpminrp_gspphot = 0.0
ebpminrp_gspphot_lower = 0.0
ebpminrp_gspphot_upper = 0.0001
libname_gspphot = MARCS
    Star B
solution_id = 1636148068921376768
designation = Gaia DR3 594989417312890368
source_id = 594989417312890368
random_index = 122977621.0
ref_epoch = 2016.0
ra = 128.96299993746817
ra_error = 0.035687517
dec = 6.622155653638434
dec_error = 0.017495979
parallax = 38.980869770001924
parallax_error = 0.041171297
parallax_over_error = 946.79724
pm = 193.56464
pmra = -136.5931520623492
pmra_error = 0.043840416
pmdec = -137.1480173032945
pmdec_error = 0.034069184
ra_dec_corr = -0.40898514
ra_parallax_corr = -0.0025552395
ra_pmra_corr = 0.0044575366
ra_pmdec_corr = 0.33656758
dec_parallax_corr = 0.015568344
dec_pmra_corr = 0.17991437
dec_pmdec_corr = -0.22413003
parallax_pmra_corr = 0.3721086
parallax_pmdec_corr = -0.32556903
pmra_pmdec_corr = -0.2012967
astrometric_n_obs_al = 425
astrometric_n_obs_ac = 425
astrometric_n_good_obs_al = 418
astrometric_n_bad_obs_al = 7
astrometric_gof_al = 22.733168
astrometric_chi2_al = 3807.0017
astrometric_excess_noise = 0.25596946
astrometric_excess_noise_sig = 71.51043
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.5443126
astrometric_matched_transits = 49
visibility_periods_used = 17
astrometric_sigma5d_max = 0.06391189
matched_transits = 51
new_matched_transits = 8
matched_transits_removed = 1
ipd_gof_harmonic_amplitude = 0.043418787
ipd_gof_harmonic_phase = 7.418466
ipd_frac_multi_peak = 1
ipd_frac_odd_win = 0
ruwe = 1.8865478
duplicated_source = false
phot_g_n_obs = 436
phot_g_mean_flux = 29201569.60863228
phot_g_mean_flux_error = 6522.3564
phot_g_mean_flux_over_error = 4477.1504
phot_g_mean_mag = 7.0238514
phot_bp_n_obs = 51
phot_bp_mean_flux = 15351155.189660655
phot_bp_mean_flux_error = 10699.074
phot_bp_mean_flux_over_error = 1434.8115
phot_bp_mean_mag = 7.3731894
phot_rp_n_obs = 47
phot_rp_mean_flux = 19917114.973274797
phot_rp_mean_flux_error = 14976.483
phot_rp_mean_flux_over_error = 1329.8926
phot_rp_mean_mag = 6.4998293
phot_bp_rp_excess_factor = 1.2077526
phot_bp_n_contaminated_transits = 0
phot_bp_n_blended_transits = 0
phot_rp_n_contaminated_transits = 0
phot_rp_n_blended_transits = 0
phot_proc_mode = 0
bp_rp = 0.87336016
bp_g = 0.34933805
g_rp = 0.5240221
radial_velocity = 28.70459
radial_velocity_error = 0.120363645
rv_method_used = 1
rv_nb_transits = 40
rv_nb_deblended_transits = 0
rv_visibility_periods_used = 15
rv_expected_sig_to_noise = 736.9827
rv_renormalised_gof = -0.7146824
rv_chisq_pvalue = 0.37864128
rv_time_duration = 899.431
rv_amplitude_robust = 0.90050125
rv_template_teff = 5750.0
rv_template_logg = 4.5
rv_template_fe_h = 0.25
rv_atm_param_origin = 222
vbroad = 5.9527135
vbroad_error = 1.7921234
vbroad_nb_transits = 40
grvs_mag = 6.2759843
grvs_mag_error = 0.024209175
grvs_mag_nb_transits = 40
phot_variable_flag = NOT_AVAILABLE
l = 219.11629942126473
b = 26.20356993062329
ecl_lon = 129.62002894644985
ecl_lat = -11.620218536811894
in_qso_candidates = false
in_galaxy_candidates = false
non_single_star = 1
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 = 1.7308995e-13
classprob_dsc_combmod_galaxy = 8.6457566e-13
classprob_dsc_combmod_star = 0.99296397
teff_gspphot = 5473.3066
teff_gspphot_lower = 5472.1167
teff_gspphot_upper = 5474.8154
logg_gspphot = 4.424
logg_gspphot_lower = 4.4191
logg_gspphot_upper = 4.4254
mh_gspphot = -0.2309
mh_gspphot_lower = -0.2376
mh_gspphot_upper = -0.2228
distance_gspphot = 25.6655
distance_gspphot_lower = 25.6127
distance_gspphot_upper = 25.9329
azero_gspphot = 0.0
azero_gspphot_lower = 0.0
azero_gspphot_upper = 0.0003
ag_gspphot = 0.0
ag_gspphot_lower = 0.0
ag_gspphot_upper = 0.0002
ebpminrp_gspphot = 0.0
ebpminrp_gspphot_lower = 0.0
ebpminrp_gspphot_upper = 0.0001
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 22:27:53 +0100



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