Double Star Calculator - Results


Discoverer & Number: AG 366 -> DSCALC Archive
Gaia Source ID - Star A          : 2131416557598645632    Simbad
Gaia Source ID - Star B          : 2131416557601850112    Simbad
Observation Epoch : J 2025.491 / 2025-06-29 Angular Separation : 1.312" ± 0.2897 mas Position Angle : 178.84 ± 0.01280 degrees
Star A/B Epoch : J 2016.000 / J 2016.000 Angular Separation : 1.411" ± 0.0252 mas Position Angle : 185.90 ± 0.00097 degrees LB of Projected Separation (AU): 74.49 AU Spatial Separation (AU) : 30299.61 ± 18053.87 AU Proper Motion Angular Difference : 10.27 ± 1.51 degrees Total Proper Motion Difference : 17.46 ± 0.05 mas/yr Tangential Velocity Difference : 4.42 ± 0.03 km/s

Aladin Lite Sky Atlas



Star A
Gaia Source ID                   : 2131416557598645632  Simbad
Epoch : J 2016.000 Right Ascension (RA) : 18h 58m 3.36s Declination (Dec) : 47° 11' 30.64" Distance (pc) : 52.94 ± 0.05 pc Distance (ly) : 172.67 ± 0.16 ly Magnitude (Gaia G-band) : 8.34 mag Absolute Magnitude : 4.73 ± 0.00 mag Spectral Type (color index) : G Luminosity (solar luminosities) : 0.95 +0.00/−0.00 L☉ Mass estimation (solar masses) : 0.98 M☉ RUWE : 1.04 Position Angle of Proper Motion : 268.80 ± 1.46 degrees Total Proper Motion : 69.27 ± 0.02 mas/yr Total Proper Motion (Gaia) : 69.27 mas/yr Tangential Velocity : 17.38 ± 0.02 km/s
Star A - Double Star Quality Metrics
Parallax over error :   1051.829 : very good
RUWE                :      1.040 : good astrometric fit (single star)
Duplicated source   :      false : single source
G magnitude         :      8.344 : G > 3 mag, photometry reliable
Excess noise        :      0.132 : poor fit, model deviation significant
  Significance      :     10.570 :   possible double star, motion, mismatch
BP-RP excess factor :      1.745 : photometry inconsistent
Visibility periods  :         23 : high, indicates well observed star
IPD multi-peak frac :         8% : mulitple peaks detected (possible double)
IDP GoF harmonic amp:      0.016 : unobtrusive (single star source)

Star B
Gaia Source ID                   : 2131416557601850112  Simbad
Epoch : J 2016.000 Right Ascension (RA) : 18h 58m 3.34s Declination (Dec) : 47° 11' 29.23" Distance (parsecs) : 52.79 ± 0.07 pc Distance (lightyears) : 172.19 ± 0.23 ly Magnitude (Gaia G-band) : 8.52 mag Absolute Magnitude : 4.90 ± 0.01 mag Spectral Type (color index) : G Luminosity (solar luminosities) : 0.81 +0.01/−0.01 L☉ Mass estimation (solar masses) : 0.92 M☉ RUWE : 1.12 Position Angle of Proper Motion : 279.07 ± 0.39 degrees Total Proper Motion : 51.81 ± 0.04 mas/yr Total Proper Motion (Gaia) : 51.81 mas/yr Tangential Velocity : 12.97 ± 0.02 km/s

Star B - Double Star Quality Metrics
Parallax over error :    737.227 : very good
RUWE                :      1.120 : good astrometric fit (single star)
Duplicated source   :      false : single source
G magnitude         :      8.516 : G > 3 mag, photometry reliable
Excess noise        :      0.214 : poor fit, model deviation significant
  Significance      :     21.033 :   possible double star, motion, mismatch
BP-RP excess factor :      1.741 : photometry inconsistent
Visibility periods  :         22 : high, indicates well observed star
IPD multi-peak frac :        10% : mulitple peaks detected (possible double)
IDP GoF harmonic amp:      0.023 : unobtrusive (single star source)

Double Star plausibility checks

Check separation:
Spatial separation : 30299.6 AU, with an uncertainty range of [ 12245.7, 48353.5] AU
Probability for a physical pair: Very Low (Nominal) / Very Low (at lower bound of uncertainty)
Separation-Based Evidence factor: 0.026 (Nominal) / Flag: normal

Check proper motion:

Relative Proper Motion Angular difference: 5.70 %
Relative Total Proper Motion difference: 33.69 %
Relative Tangential Velocity difference: 34.06 %
Estimated CPM Probability: 43.89 %
CPM-Based Evidence factor: 0.193

Physical Binding Evidence:
Combined Physical Binding Evidence factor: 0.026

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

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      3.373    0.004     221.692    0.053
1901.0      3.354    0.004     221.570    0.053
1902.0      3.335    0.003     221.447    0.053
1903.0      3.315    0.003     221.323    0.053
1904.0      3.296    0.003     221.197    0.052
1905.0      3.277    0.003     221.070    0.052
1906.0      3.258    0.003     220.941    0.052
1907.0      3.239    0.003     220.811    0.052
1908.0      3.220    0.003     220.679    0.052
1909.0      3.201    0.003     220.546    0.052
1910.0      3.182    0.003     220.411    0.052
1911.0      3.163    0.003     220.274    0.052
1912.0      3.144    0.003     220.136    0.051
1913.0      3.125    0.003     219.996    0.051
1914.0      3.106    0.003     219.854    0.051
1915.0      3.087    0.003     219.711    0.051
1916.0      3.068    0.003     219.566    0.051
1917.0      3.049    0.003     219.419    0.051
1918.0      3.030    0.003     219.270    0.051
1919.0      3.011    0.003     219.119    0.050
1920.0      2.992    0.003     218.967    0.050
1921.0      2.973    0.003     218.812    0.050
1922.0      2.955    0.003     218.656    0.050
1923.0      2.936    0.003     218.497    0.050
1924.0      2.917    0.003     218.337    0.050
1925.0      2.898    0.003     218.174    0.049
1926.0      2.879    0.003     218.009    0.049
1927.0      2.861    0.003     217.842    0.049
1928.0      2.842    0.003     217.673    0.049
1929.0      2.823    0.003     217.502    0.049
1930.0      2.805    0.003     217.328    0.048
1931.0      2.786    0.003     217.152    0.048
1932.0      2.768    0.003     216.974    0.048
1933.0      2.749    0.003     216.794    0.048
1934.0      2.731    0.003     216.610    0.048
1935.0      2.712    0.002     216.425    0.047
1936.0      2.694    0.002     216.237    0.047
1937.0      2.675    0.002     216.046    0.047
1938.0      2.657    0.002     215.852    0.047
1939.0      2.638    0.002     215.656    0.047
1940.0      2.620    0.002     215.457    0.046
1941.0      2.602    0.002     215.256    0.046
1942.0      2.583    0.002     215.051    0.046
1943.0      2.565    0.002     214.844    0.046
1944.0      2.547    0.002     214.633    0.045
1945.0      2.529    0.002     214.420    0.045
1946.0      2.511    0.002     214.204    0.045
1947.0      2.493    0.002     213.984    0.045
1948.0      2.475    0.002     213.761    0.044
1949.0      2.457    0.002     213.535    0.044
1950.0      2.439    0.002     213.305    0.044
1951.0      2.421    0.002     213.073    0.043
1952.0      2.403    0.002     212.836    0.043
1953.0      2.385    0.002     212.596    0.043
1954.0      2.367    0.002     212.353    0.042
1955.0      2.349    0.002     212.106    0.042
1956.0      2.331    0.002     211.855    0.042
1957.0      2.314    0.002     211.600    0.042
1958.0      2.296    0.002     211.341    0.041
1959.0      2.279    0.002     211.078    0.041
1960.0      2.261    0.002     210.811    0.040
1961.0      2.244    0.002     210.540    0.040
1962.0      2.226    0.002     210.265    0.040
1963.0      2.209    0.002     209.986    0.039
1964.0      2.191    0.002     209.702    0.039
1965.0      2.174    0.002     209.413    0.039
1966.0      2.157    0.002     209.120    0.038
1967.0      2.140    0.001     208.822    0.038
1968.0      2.123    0.001     208.519    0.037
1969.0      2.105    0.001     208.212    0.037
1970.0      2.088    0.001     207.899    0.036
1971.0      2.072    0.001     207.581    0.036
1972.0      2.055    0.001     207.258    0.036
1973.0      2.038    0.001     206.930    0.035
1974.0      2.021    0.001     206.596    0.035
1975.0      2.004    0.001     206.257    0.034
1976.0      1.988    0.001     205.912    0.034
1977.0      1.971    0.001     205.561    0.033
1978.0      1.955    0.001     205.205    0.033
1979.0      1.939    0.001     204.842    0.032
1980.0      1.922    0.001     204.473    0.031
1981.0      1.906    0.001     204.098    0.031
1982.0      1.890    0.001     203.716    0.030
1983.0      1.874    0.001     203.328    0.030
1984.0      1.858    0.001     202.933    0.029
1985.0      1.842    0.001     202.532    0.028
1986.0      1.826    0.001     202.123    0.028
1987.0      1.811    0.001     201.708    0.027
1988.0      1.795    0.001     201.285    0.027
1989.0      1.780    0.001     200.854    0.026
1990.0      1.764    0.001     200.417    0.025
1991.0      1.749    0.001     199.971    0.024
1992.0      1.734    0.001     199.518    0.024
1993.0      1.719    0.001     199.057    0.023
1994.0      1.704    0.001     198.587    0.022
1995.0      1.689    0.001     198.109    0.021
1996.0      1.674    0.001     197.623    0.021
1997.0      1.660    0.001     197.129    0.020
1998.0      1.645    0.001     196.625    0.019
1999.0      1.631    0.001     196.113    0.018
2000.0      1.617    0.000     195.592    0.017
2001.0      1.603    0.000     195.061    0.016
2002.0      1.589    0.000     194.522    0.015
2003.0      1.575    0.000     193.972    0.014
2004.0      1.561    0.000     193.413    0.013
2005.0      1.548    0.000     192.845    0.012
2006.0      1.535    0.000     192.266    0.011
2007.0      1.521    0.000     191.677    0.010
2008.0      1.509    0.000     191.078    0.009
2009.0      1.496    0.000     190.469    0.008
2010.0      1.483    0.000     189.849    0.007
2011.0      1.471    0.000     189.219    0.006
2012.0      1.458    0.000     188.578    0.005
2013.0      1.446    0.000     187.926    0.004
2014.0      1.434    0.000     187.263    0.003
2015.0      1.422    0.000     186.589    0.002
2016.0      1.411    0.000     185.905    0.001
2017.0      1.400    0.000     185.208    0.002
2018.0      1.389    0.000     184.501    0.003
2019.0      1.378    0.000     183.782    0.004
2020.0      1.367    0.000     183.053    0.005
2021.0      1.357    0.000     182.311    0.007
2022.0      1.346    0.000     181.558    0.008
2023.0      1.336    0.000     180.794    0.009
2024.0      1.327    0.000     180.019    0.011
2025.0      1.317    0.000     179.232    0.012
2026.0      1.308    0.000     178.434    0.014
2027.0      1.299    0.000     177.625    0.015
2028.0      1.290    0.000     176.804    0.016
2029.0      1.282    0.000     175.973    0.018
2030.0      1.273    0.000     175.131    0.019
2031.0      1.266    0.000     174.278    0.021
2032.0      1.258    0.000     173.414    0.022
2033.0      1.251    0.001     172.540    0.024
2034.0      1.244    0.001     171.657    0.025
2035.0      1.237    0.001     170.763    0.027
2036.0      1.230    0.001     169.860    0.028
2037.0      1.224    0.001     168.947    0.030
2038.0      1.218    0.001     168.025    0.032
2039.0      1.213    0.001     167.095    0.033
2040.0      1.208    0.001     166.157    0.035
2041.0      1.203    0.001     165.211    0.036
2042.0      1.198    0.001     164.257    0.038
2043.0      1.194    0.001     163.297    0.039
2044.0      1.190    0.001     162.330    0.040
2045.0      1.187    0.001     161.357    0.042
2046.0      1.184    0.001     160.379    0.043
2047.0      1.181    0.001     159.395    0.045
2048.0      1.179    0.001     158.408    0.046
2049.0      1.176    0.001     157.416    0.047
2050.0      1.175    0.001     156.421    0.049
2051.0      1.173    0.001     155.424    0.050
2052.0      1.172    0.001     154.424    0.051
2053.0      1.172    0.001     153.423    0.053
2054.0      1.171    0.001     152.421    0.054
2055.0      1.171    0.001     151.419    0.055
2056.0      1.172    0.001     150.417    0.056
2057.0      1.172    0.001     149.417    0.057
2058.0      1.173    0.001     148.417    0.058
2059.0      1.175    0.001     147.420    0.059
2060.0      1.177    0.001     146.426    0.060
2061.0      1.179    0.001     145.435    0.061
2062.0      1.181    0.001     144.448    0.062
2063.0      1.184    0.001     143.466    0.063
2064.0      1.188    0.001     142.488    0.064
2065.0      1.191    0.001     141.516    0.065
2066.0      1.195    0.002     140.550    0.065
2067.0      1.199    0.002     139.591    0.066
2068.0      1.204    0.002     138.639    0.067
2069.0      1.209    0.002     137.694    0.067
2070.0      1.214    0.002     136.757    0.068
2071.0      1.219    0.002     135.829    0.068
2072.0      1.225    0.002     134.909    0.069
2073.0      1.232    0.002     133.998    0.069
2074.0      1.238    0.002     133.096    0.070
2075.0      1.245    0.002     132.204    0.070
2076.0      1.252    0.002     131.322    0.071
2077.0      1.259    0.002     130.450    0.071
2078.0      1.267    0.002     129.588    0.071
2079.0      1.275    0.002     128.737    0.071
2080.0      1.283    0.002     127.897    0.072
2081.0      1.292    0.002     127.067    0.072
2082.0      1.300    0.002     126.249    0.072
2083.0      1.309    0.002     125.442    0.072
2084.0      1.319    0.002     124.646    0.073
2085.0      1.328    0.002     123.861    0.073
2086.0      1.338    0.002     123.087    0.073
2087.0      1.348    0.002     122.325    0.073
2088.0      1.358    0.002     121.574    0.073
2089.0      1.369    0.002     120.835    0.073
2090.0      1.380    0.002     120.107    0.073
2091.0      1.390    0.002     119.390    0.073
2092.0      1.402    0.002     118.685    0.073
2093.0      1.413    0.002     117.991    0.073
2094.0      1.425    0.002     117.308    0.073
2095.0      1.436    0.002     116.636    0.073
2096.0      1.448    0.002     115.975    0.073
2097.0      1.460    0.002     115.325    0.073
2098.0      1.473    0.003     114.686    0.073
2099.0      1.485    0.003     114.058    0.073
2100.0      1.498    0.003     113.440    0.073


Measurements for AG 366
 
WDS ID      Discovr     Comp  #    Sep      PA       Epoch      Obs  Telescope     Camera    Note
-------------------------------------------------------------------------------------------------
18581+4711  AG 366            1    1.36"    182.2°   B2025.493  HWI  120/900 APO   ASI678MM  

-- Image of AG-366-taken with Equinox 120/900 APO --


WDS record for AG 366
wds_id                       : 18581+4711
discoverer_code              : AG
discoverer_number            : 366
discoverer_components        : 
date_first                   : 1907
date_last                    : 2022
num_of_obs                   : 55
pa_first                     : 229
pa_last                      : 181
sep_first                    : 2.4
sep_last                     : 1.4
mag_primary                  : 8.54
mag_secondary                : 8.67
spectral_type                : G2V+G8V
primary_proper_motion_RA     : -40
primary_proper_motion_DEC    : 12
secondary_proper_motion_RA   : -40
secondary_proper_motion_DEC  : 12
dm_number                    : +46 2592
notes                        : NO V
precise_coordinate           : 185803.46+471130.1

WDS Notes:
----------
N: Notes found in WDSNOT MEMO of WDS
O: Orbit described in WDSNOT MEMO and has entry in Orbit Catalog
V: Proper motion or other technique: physical


Orbital Elements for AG 366
WDS: AG 366 WDS ID/Discoverer
P: 1260.888 Orbital period (years)
a: 2.68488 Semi-major axis (arcseconds)
i: 145.5 Inclination (degrees)
Ω: 180.5 Longitude of ascending node (degrees)
T: 2078.309 Epoch of periastron passage (year)
e: 0.656 Eccentricity
ω: 75.1 Longitude of periastron (degrees)
Start-Year: 1395.0 Year
End-Year: 2655.0 Year
Epoch: 2025.49 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for AG 366
Position: 185803.46+471130.1 Epoch-2000 right ascension and declination
WDS-ID: 18581+4711 WDS designation
Discoverer Code: AG 366 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 8.54 Magnitude of the primary
V2: 8.67 Magnitude of the secondary
Equinox: Equinox
Date: 2018 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 AG 366



WDS 6th Orbit including measures of AG 366

-- 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 AG 366
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.49    1.306    180.3
-------------------------
1395.0     3.737    293.3
1405.0     3.736    292.3
1415.0     3.734    291.4
1425.0     3.731    290.5
1435.0     3.728    289.6
1445.0     3.723    288.7
1455.0     3.717    287.7
1465.0     3.709    286.8
1475.0     3.701    285.9
1485.0     3.692    284.9
1495.0     3.682    284.0
1505.0     3.671    283.0
1515.0     3.658    282.1
1525.0     3.645    281.1
1535.0     3.631    280.2
1545.0     3.615    279.2
1555.0     3.599    278.2
1565.0     3.581    277.2
1575.0     3.563    276.2
1585.0     3.543    275.2
1595.0     3.523    274.2
1605.0     3.501    273.1
1615.0     3.479    272.1
1625.0     3.455    271.0
1635.0     3.430    269.9
1645.0     3.405    268.8
1655.0     3.378    267.7
1665.0     3.350    266.6
1675.0     3.321    265.4
1685.0     3.291    264.3
1695.0     3.260    263.1
1705.0     3.228    261.9
1715.0     3.195    260.6
1725.0     3.160    259.4
1735.0     3.125    258.1
1745.0     3.088    256.7
1755.0     3.050    255.4
1765.0     3.010    254.0
1775.0     2.970    252.5
1785.0     2.928    251.1
1795.0     2.885    249.6
1805.0     2.841    248.0
1815.0     2.795    246.4
1825.0     2.747    244.7
1835.0     2.698    243.0
1845.0     2.648    241.2
1855.0     2.596    239.3
1865.0     2.542    237.4
1875.0     2.487    235.4
1885.0     2.429    233.3
1895.0     2.370    231.0
1905.0     2.308    228.7
1915.0     2.244    226.2
1925.0     2.178    223.6
1935.0     2.109    220.8
1945.0     2.037    217.8
1955.0     1.961    214.6
1965.0     1.882    211.2
1975.0     1.800    207.4
1985.0     1.713    203.2
1995.0     1.621    198.6
2005.0     1.524    193.4
2015.0     1.420    187.5
2025.0     1.311    180.7
2035.0     1.196    172.5
2045.0     1.078    162.6
2055.0     0.961    150.2
2065.0     0.857    134.6
2075.0     0.785    115.4
2085.0     0.768     93.9
2095.0     0.814     73.1
2105.0     0.908     55.7
2115.0     1.032     42.0
2125.0     1.167     31.4
2135.0     1.305     23.0
2145.0     1.440     16.1
2155.0     1.570     10.5
2165.0     1.693      5.7
2175.0     1.810      1.5
2185.0     1.921    357.8
2195.0     2.026    354.5
2205.0     2.126    351.6
2215.0     2.220    348.9
2225.0     2.309    346.4
2235.0     2.393    344.0
2245.0     2.474    341.9
2255.0     2.550    339.8
2265.0     2.622    337.9
2275.0     2.691    336.1
2285.0     2.757    334.4
2295.0     2.819    332.7
2305.0     2.879    331.2
2315.0     2.935    329.7
2325.0     2.989    328.2
2335.0     3.040    326.8
2345.0     3.089    325.4
2355.0     3.136    324.1
2365.0     3.180    322.8
2375.0     3.222    321.6
2385.0     3.262    320.4
2395.0     3.300    319.2
2405.0     3.336    318.0
2415.0     3.370    316.9
2425.0     3.402    315.7
2435.0     3.433    314.7
2445.0     3.462    313.6
2455.0     3.489    312.5
2465.0     3.514    311.5
2475.0     3.538    310.4
2485.0     3.561    309.4
2495.0     3.582    308.4
2505.0     3.601    307.4
2515.0     3.619    306.4
2525.0     3.636    305.5
2535.0     3.651    304.5
2545.0     3.665    303.6
2555.0     3.678    302.6
2565.0     3.689    301.7
2575.0     3.699    300.7
2585.0     3.708    299.8
2595.0     3.716    298.9
2605.0     3.722    297.9
2615.0     3.727    297.0
2625.0     3.731    296.1
2635.0     3.734    295.2
2645.0     3.736    294.3


Parsed GAIA Input Data
Click to expand/collapse the Gaia Input Data:
Star A
solution_id = 1636148068921376768
designation = Gaia DR3 2131416557598645632
source_id = 2131416557598645632
random_index = 566325106.0
ref_epoch = 2016.0
ra = 284.51398288389214
ra_error = 0.019999556
dec = 47.19184373127069
dec_error = 0.014739836
parallax = 18.889501752200164
parallax_error = 0.017958721
parallax_over_error = 1051.829
pm = 69.26535
pmra = -69.25024435908941
pmra_error = 0.023194551
pmdec = -1.4465519670388818
pmdec_error = 0.017455127
ra_dec_corr = 0.01188792
ra_parallax_corr = -0.06769567
ra_pmra_corr = -0.06762069
ra_pmdec_corr = -0.1352104
dec_parallax_corr = 0.1517877
dec_pmra_corr = -0.16412722
dec_pmdec_corr = -0.18973018
parallax_pmra_corr = -0.22081462
parallax_pmdec_corr = -0.12114275
pmra_pmdec_corr = 0.01846453
astrometric_n_obs_al = 284
astrometric_n_obs_ac = 284
astrometric_n_good_obs_al = 277
astrometric_n_bad_obs_al = 7
astrometric_gof_al = 1.0609022
astrometric_chi2_al = 646.19196
astrometric_excess_noise = 0.13156003
astrometric_excess_noise_sig = 10.570078
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.5556647
astrometric_matched_transits = 32
visibility_periods_used = 23
astrometric_sigma5d_max = 0.03238551
matched_transits = 37
new_matched_transits = 16
matched_transits_removed = 1
ipd_gof_harmonic_amplitude = 0.016133545
ipd_gof_harmonic_phase = 40.43199
ipd_frac_multi_peak = 8
ipd_frac_odd_win = 0
ruwe = 1.0445852
duplicated_source = false
phot_g_n_obs = 279
phot_g_mean_flux = 8657268.492421022
phot_g_mean_flux_error = 4729.891
phot_g_mean_flux_over_error = 1830.3314
phot_g_mean_mag = 8.343915
phot_bp_n_obs = 24
phot_bp_mean_flux = 6722379.505555564
phot_bp_mean_flux_error = 311411.3
phot_bp_mean_flux_over_error = 21.586819
phot_bp_mean_mag = 8.269734
phot_rp_n_obs = 23
phot_rp_mean_flux = 8380535.878390422
phot_rp_mean_flux_error = 300559.78
phot_rp_mean_flux_over_error = 27.883091
phot_rp_mean_mag = 7.439716
phot_bp_rp_excess_factor = 1.7445359
phot_bp_n_contaminated_transits = 5
phot_bp_n_blended_transits = 19
phot_rp_n_contaminated_transits = 5
phot_rp_n_blended_transits = 18
phot_proc_mode = 0
bp_rp = 0.8300185
bp_g = -0.0741806
g_rp = 0.9041991
phot_variable_flag = NOT_AVAILABLE
l = 77.1889763230997
b = 18.48540453768686
ecl_lon = 298.64714905953866
ecl_lat = 69.19206330103218
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 = 4.214972e-09
classprob_dsc_combmod_galaxy = 1.6020708e-09
classprob_dsc_combmod_star = 0.9998997
teff_gspphot = 5694.086
teff_gspphot_lower = 5683.951
teff_gspphot_upper = 5703.722
logg_gspphot = 4.3396
logg_gspphot_lower = 4.3343
logg_gspphot_upper = 4.3435
mh_gspphot = -1.3572
mh_gspphot_lower = -1.4312
mh_gspphot_upper = -1.3044
distance_gspphot = 52.8834
distance_gspphot_lower = 52.8314
distance_gspphot_upper = 52.9352
azero_gspphot = 0.0001
azero_gspphot_lower = 0.0
azero_gspphot_upper = 0.0002
ag_gspphot = 0.0001
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
    Star B
solution_id = 1636148068921376768
designation = Gaia DR3 2131416557601850112
source_id = 2131416557601850112
random_index = 1277675901.0
ref_epoch = 2016.0
ra = 284.513923552442
ra_error = 0.028942307
dec = 47.1914538769619
dec_error = 0.020420711
parallax = 18.942062112343624
parallax_error = 0.02569366
parallax_over_error = 737.2271
pm = 51.809856
pmra = -51.16195643175756
pmra_error = 0.038924005
pmdec = 8.167953135551372
pmdec_error = 0.024899567
ra_dec_corr = -0.06338531
ra_parallax_corr = -0.119024284
ra_pmra_corr = -0.12338863
ra_pmdec_corr = -0.019317618
dec_parallax_corr = 0.1933086
dec_pmra_corr = -0.091926806
dec_pmdec_corr = -0.17211357
parallax_pmra_corr = -0.17322554
parallax_pmdec_corr = -0.19359405
pmra_pmdec_corr = -0.10092126
astrometric_n_obs_al = 276
astrometric_n_obs_ac = 276
astrometric_n_good_obs_al = 271
astrometric_n_bad_obs_al = 5
astrometric_gof_al = 2.630551
astrometric_chi2_al = 1018.7238
astrometric_excess_noise = 0.21431716
astrometric_excess_noise_sig = 21.03346
astrometric_params_solved = 95
astrometric_primary_flag = false
pseudocolour = 1.5535033
pseudocolour_error = 0.0068359147
ra_pseudocolour_corr = -0.15089415
dec_pseudocolour_corr = -0.06650156
parallax_pseudocolour_corr = -0.056908138
pmra_pseudocolour_corr = 0.042658288
pmdec_pseudocolour_corr = -0.024917081
astrometric_matched_transits = 31
visibility_periods_used = 22
astrometric_sigma5d_max = 0.054242764
matched_transits = 35
new_matched_transits = 13
matched_transits_removed = 4
ipd_gof_harmonic_amplitude = 0.022781132
ipd_gof_harmonic_phase = 41.67392
ipd_frac_multi_peak = 10
ipd_frac_odd_win = 0
ruwe = 1.1151084
duplicated_source = false
phot_g_n_obs = 285
phot_g_mean_flux = 7389470.090814241
phot_g_mean_flux_error = 7215.398
phot_g_mean_flux_over_error = 1024.1251
phot_g_mean_mag = 8.515834
phot_bp_n_obs = 26
phot_bp_mean_flux = 5610242.044906288
phot_bp_mean_flux_error = 321134.97
phot_bp_mean_flux_over_error = 17.470043
phot_bp_mean_mag = 8.466088
phot_rp_n_obs = 24
phot_rp_mean_flux = 7255336.472499285
phot_rp_mean_flux_error = 353744.56
phot_rp_mean_flux_over_error = 20.5101
phot_rp_mean_mag = 7.5962515
phot_bp_rp_excess_factor = 1.7410692
phot_bp_n_contaminated_transits = 5
phot_bp_n_blended_transits = 21
phot_rp_n_contaminated_transits = 5
phot_rp_n_blended_transits = 19
phot_proc_mode = 0
bp_rp = 0.8698368
bp_g = -0.04974556
g_rp = 0.91958237
phot_variable_flag = NOT_AVAILABLE
l = 77.18857600543812
b = 18.48530723478731
ecl_lon = 298.64673215312104
ecl_lat = 69.19170042655117
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 = 4.4255937e-09
classprob_dsc_combmod_galaxy = 3.3636909e-09
classprob_dsc_combmod_star = 0.9998721
teff_gspphot = 5525.263
teff_gspphot_lower = 5516.613
teff_gspphot_upper = 5535.2817
logg_gspphot = 4.3468
logg_gspphot_lower = 4.3425
logg_gspphot_upper = 4.3515
mh_gspphot = -1.2058
mh_gspphot_lower = -1.2745
mh_gspphot_upper = -1.1455
distance_gspphot = 52.7317
distance_gspphot_lower = 52.6611
distance_gspphot_upper = 52.8065
azero_gspphot = 0.0001
azero_gspphot_lower = 0.0
azero_gspphot_upper = 0.0002
ag_gspphot = 0.0001
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 22:20:09 +0100



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