Double Star Calculator - Results


Discoverer & Number: STF 1321 AB -> DSCALC Archive
Gaia Source ID - Star A          : 1022456139210632064    Simbad
Gaia Source ID - Star B          : 1022456104850892928    Simbad
Observation Epoch : J 2023.300 / 2023-04-21 Angular Separation : 16.984" ± 0.1157 mas Position Angle : 100.19 ± 0.00050 degrees
Star A/B Epoch : J 2016.000 / J 2016.000 Angular Separation : 17.075" ± 0.0135 mas Position Angle : 97.88 ± 0.00005 degrees LB of Projected Separation (AU): 108.15 AU Spatial Separation (AU) : 117.14 ± 91.76 AU Proper Motion Angular Difference : 2.55 ± 0.00 degrees Total Proper Motion Difference : 58.65 ± 0.03 mas/yr Tangential Velocity Difference : 1.76 ± 0.01 km/s Radial Velocity Difference : 1.33 ± 0.17 km/s Space Velocity Difference : 2.01 ± 0.04 km/s

Aladin Lite Sky Atlas



Star A
Gaia Source ID                   : 1022456139210632064  Simbad
Epoch : J 2016.000 Right Ascension (RA) : 09h 14m 20.05s Declination (Dec) : 52° 41' 2.69" Distance (pc) : 6.33 ± 0.00 pc Distance (ly) : 20.66 ± 0.00 ly Magnitude (Gaia G-band) : 6.98 mag Absolute Magnitude : 7.97 ± 0.00 mag Spectral Type (color index) : M Luminosity (solar luminosities) : 0.05 +0.00/−0.00 L☉ Mass estimation (solar masses) : 0.25 M☉ RUWE : 1.08 Position Angle of Proper Motion : 249.79 ± 0.00 degrees Total Proper Motion : 1647.20 ± 0.02 mas/yr Total Proper Motion (Gaia) : 1647.20 mas/yr Tangential Velocity : 49.46 ± 0.01 km/s Radial Velocity (Gaia) : 10.64 ± 0.12 km/s Space Velocity : 50.59 ± 0.03 km/s
Star A - Double Star Quality Metrics
Parallax over error :   8033.850 : very good
RUWE                :      1.080 : good astrometric fit (single star)
Duplicated source   :      false : single source
G magnitude         :      6.976 : G > 3 mag, photometry reliable
Excess noise        :      0.127 : poor fit, model deviation significant
  Significance      :     16.635 :   possible double star, motion, mismatch
BP-RP excess factor :      1.312 : photometry inconsistent
Visibility periods  :         21 : high, indicates well observed star
IPD multi-peak frac :         0% : single peak detected
IDP GoF harmonic amp:      0.061 : slight indication of structure

Star B
Gaia Source ID                   : 1022456104850892928  Simbad
Epoch : J 2016.000 Right Ascension (RA) : 09h 14m 21.91s Declination (Dec) : 52° 41' 0.35" Distance (parsecs) : 6.33 ± 0.00 pc Distance (lightyears) : 20.66 ± 0.00 ly Magnitude (Gaia G-band) : 7.05 mag Absolute Magnitude : 8.05 ± 0.00 mag Spectral Type (color index) : M Luminosity (solar luminosities) : 0.04 +0.00/−0.00 L☉ Mass estimation (solar masses) : 0.24 M☉ RUWE : 1.12 Position Angle of Proper Motion : 247.24 ± 0.00 degrees Total Proper Motion : 1705.85 ± 0.02 mas/yr Total Proper Motion (Gaia) : 1705.85 mas/yr Tangential Velocity : 51.22 ± 0.01 km/s Radial Velocity (Gaia) : 11.97 ± 0.12 km/s Space Velocity : 52.60 ± 0.03 km/s

Star B - Double Star Quality Metrics
Parallax over error :   7470.174 : very good
RUWE                :      1.120 : good astrometric fit (single star)
Duplicated source   :      false : single source
G magnitude         :      7.054 : G > 3 mag, photometry reliable
Excess noise        :      0.139 : poor fit, model deviation significant
  Significance      :     18.680 :   possible double star, motion, mismatch
BP-RP excess factor :      1.317 : photometry inconsistent
Visibility periods  :         22 : high, indicates well observed star
IPD multi-peak frac :         0% : single peak detected
IDP GoF harmonic amp:      0.062 : slight indication of structure

Double Star plausibility checks

Check separation:
Spatial separation : 117.1 AU, with an uncertainty range of [ 108.1 (P), 208.9] AU
Probability for a physical pair: Very High (Nominal) / Very High (at lower bound of uncertainty)
Separation-Based Evidence factor: 1.0 (Nominal) / Flag: strongly_confined

Check proper motion:

Relative Proper Motion Angular difference: 1.42 %
Relative Total Proper Motion difference: 3.56 %
Relative Tangential Velocity difference: 3.56 %
Relative Radial Velocity difference: 12.47 %
Relative Space Velocity difference: 3.97 %
Estimated CPM Probability: 89.90 %
CPM-Based Evidence factor: 0.808

Physical Binding Evidence:
Combined Physical Binding Evidence factor: 1.0

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     21.673    0.002      67.775    0.006
1901.0     21.614    0.002      67.971    0.006
1902.0     21.554    0.002      68.168    0.006
1903.0     21.496    0.002      68.366    0.006
1904.0     21.437    0.002      68.565    0.006
1905.0     21.379    0.002      68.765    0.006
1906.0     21.321    0.002      68.966    0.005
1907.0     21.263    0.002      69.168    0.005
1908.0     21.205    0.002      69.371    0.005
1909.0     21.148    0.002      69.576    0.005
1910.0     21.091    0.002      69.782    0.005
1911.0     21.034    0.002      69.988    0.005
1912.0     20.978    0.002      70.196    0.005
1913.0     20.922    0.002      70.405    0.005
1914.0     20.866    0.002      70.615    0.005
1915.0     20.810    0.002      70.826    0.005
1916.0     20.755    0.002      71.038    0.005
1917.0     20.700    0.002      71.252    0.005
1918.0     20.645    0.002      71.466    0.005
1919.0     20.591    0.002      71.682    0.005
1920.0     20.536    0.002      71.899    0.005
1921.0     20.483    0.002      72.117    0.005
1922.0     20.429    0.002      72.336    0.005
1923.0     20.376    0.002      72.556    0.005
1924.0     20.323    0.002      72.778    0.005
1925.0     20.270    0.001      73.000    0.005
1926.0     20.218    0.001      73.224    0.005
1927.0     20.166    0.001      73.449    0.005
1928.0     20.114    0.001      73.675    0.005
1929.0     20.062    0.001      73.902    0.005
1930.0     20.011    0.001      74.131    0.005
1931.0     19.961    0.001      74.360    0.005
1932.0     19.910    0.001      74.591    0.005
1933.0     19.860    0.001      74.823    0.004
1934.0     19.810    0.001      75.056    0.004
1935.0     19.761    0.001      75.290    0.004
1936.0     19.712    0.001      75.526    0.004
1937.0     19.663    0.001      75.762    0.004
1938.0     19.614    0.001      76.000    0.004
1939.0     19.566    0.001      76.239    0.004
1940.0     19.518    0.001      76.479    0.004
1941.0     19.471    0.001      76.720    0.004
1942.0     19.424    0.001      76.963    0.004
1943.0     19.377    0.001      77.206    0.004
1944.0     19.331    0.001      77.451    0.004
1945.0     19.284    0.001      77.697    0.004
1946.0     19.239    0.001      77.944    0.004
1947.0     19.193    0.001      78.193    0.004
1948.0     19.148    0.001      78.442    0.004
1949.0     19.104    0.001      78.693    0.004
1950.0     19.060    0.001      78.945    0.004
1951.0     19.016    0.001      79.198    0.004
1952.0     18.972    0.001      79.452    0.004
1953.0     18.929    0.001      79.707    0.004
1954.0     18.886    0.001      79.964    0.004
1955.0     18.844    0.001      80.221    0.003
1956.0     18.802    0.001      80.480    0.003
1957.0     18.760    0.001      80.740    0.003
1958.0     18.719    0.001      81.001    0.003
1959.0     18.678    0.001      81.263    0.003
1960.0     18.638    0.001      81.527    0.003
1961.0     18.598    0.001      81.791    0.003
1962.0     18.558    0.001      82.057    0.003
1963.0     18.519    0.001      82.324    0.003
1964.0     18.480    0.001      82.592    0.003
1965.0     18.442    0.001      82.861    0.003
1966.0     18.404    0.001      83.131    0.003
1967.0     18.366    0.001      83.402    0.003
1968.0     18.329    0.001      83.675    0.003
1969.0     18.292    0.001      83.948    0.003
1970.0     18.256    0.001      84.223    0.003
1971.0     18.220    0.001      84.498    0.003
1972.0     18.184    0.001      84.775    0.003
1973.0     18.149    0.001      85.053    0.003
1974.0     18.114    0.001      85.332    0.003
1975.0     18.080    0.001      85.612    0.002
1976.0     18.046    0.001      85.893    0.002
1977.0     18.013    0.001      86.175    0.002
1978.0     17.980    0.001      86.458    0.002
1979.0     17.948    0.001      86.742    0.002
1980.0     17.916    0.001      87.027    0.002
1981.0     17.884    0.001      87.313    0.002
1982.0     17.853    0.001      87.601    0.002
1983.0     17.822    0.001      87.889    0.002
1984.0     17.792    0.000      88.178    0.002
1985.0     17.762    0.000      88.468    0.002
1986.0     17.733    0.000      88.759    0.002
1987.0     17.704    0.000      89.051    0.002
1988.0     17.675    0.000      89.344    0.002
1989.0     17.647    0.000      89.638    0.002
1990.0     17.620    0.000      89.933    0.002
1991.0     17.593    0.000      90.229    0.002
1992.0     17.566    0.000      90.526    0.001
1993.0     17.540    0.000      90.823    0.001
1994.0     17.515    0.000      91.122    0.001
1995.0     17.490    0.000      91.421    0.001
1996.0     17.465    0.000      91.721    0.001
1997.0     17.441    0.000      92.022    0.001
1998.0     17.417    0.000      92.324    0.001
1999.0     17.394    0.000      92.627    0.001
2000.0     17.371    0.000      92.930    0.001
2001.0     17.349    0.000      93.234    0.001
2002.0     17.327    0.000      93.539    0.001
2003.0     17.306    0.000      93.845    0.001
2004.0     17.285    0.000      94.152    0.001
2005.0     17.265    0.000      94.459    0.001
2006.0     17.245    0.000      94.767    0.001
2007.0     17.226    0.000      95.076    0.001
2008.0     17.207    0.000      95.385    0.001
2009.0     17.189    0.000      95.695    0.000
2010.0     17.171    0.000      96.006    0.000
2011.0     17.154    0.000      96.317    0.000
2012.0     17.137    0.000      96.629    0.000
2013.0     17.121    0.000      96.941    0.000
2014.0     17.105    0.000      97.255    0.000
2015.0     17.090    0.000      97.568    0.000
2016.0     17.075    0.000      97.882    0.000
2017.0     17.061    0.000      98.197    0.000
2018.0     17.047    0.000      98.512    0.000
2019.0     17.034    0.000      98.828    0.000
2020.0     17.022    0.000      99.144    0.000
2021.0     17.009    0.000      99.461    0.000
2022.0     16.998    0.000      99.778    0.000
2023.0     16.987    0.000     100.096    0.000
2024.0     16.976    0.000     100.414    0.001
2025.0     16.966    0.000     100.732    0.001
2026.0     16.957    0.000     101.051    0.001
2027.0     16.948    0.000     101.370    0.001
2028.0     16.939    0.000     101.689    0.001
2029.0     16.931    0.000     102.009    0.001
2030.0     16.924    0.000     102.329    0.001
2031.0     16.917    0.000     102.649    0.001
2032.0     16.911    0.000     102.970    0.001
2033.0     16.905    0.000     103.291    0.001
2034.0     16.900    0.000     103.611    0.001
2035.0     16.895    0.000     103.933    0.001
2036.0     16.891    0.000     104.254    0.001
2037.0     16.887    0.000     104.575    0.001
2038.0     16.884    0.000     104.897    0.001
2039.0     16.881    0.000     105.219    0.001
2040.0     16.879    0.000     105.541    0.002
2041.0     16.878    0.000     105.862    0.002
2042.0     16.877    0.000     106.184    0.002
2043.0     16.876    0.000     106.506    0.002
2044.0     16.876    0.000     106.828    0.002
2045.0     16.877    0.000     107.150    0.002
2046.0     16.878    0.000     107.472    0.002
2047.0     16.879    0.001     107.794    0.002
2048.0     16.882    0.001     108.116    0.002
2049.0     16.884    0.001     108.437    0.002
2050.0     16.887    0.001     108.759    0.002
2051.0     16.891    0.001     109.080    0.002
2052.0     16.895    0.001     109.402    0.002
2053.0     16.900    0.001     109.723    0.002
2054.0     16.906    0.001     110.044    0.002
2055.0     16.912    0.001     110.365    0.002
2056.0     16.918    0.001     110.685    0.003
2057.0     16.925    0.001     111.005    0.003
2058.0     16.932    0.001     111.325    0.003
2059.0     16.940    0.001     111.645    0.003
2060.0     16.949    0.001     111.964    0.003
2061.0     16.958    0.001     112.283    0.003
2062.0     16.968    0.001     112.602    0.003
2063.0     16.978    0.001     112.920    0.003
2064.0     16.988    0.001     113.238    0.003
2065.0     16.999    0.001     113.556    0.003
2066.0     17.011    0.001     113.873    0.003
2067.0     17.023    0.001     114.189    0.003
2068.0     17.036    0.001     114.506    0.003
2069.0     17.049    0.001     114.821    0.003
2070.0     17.063    0.001     115.137    0.003
2071.0     17.077    0.001     115.451    0.003
2072.0     17.092    0.001     115.765    0.003
2073.0     17.107    0.001     116.079    0.003
2074.0     17.123    0.001     116.392    0.004
2075.0     17.139    0.001     116.705    0.004
2076.0     17.156    0.001     117.016    0.004
2077.0     17.173    0.001     117.328    0.004
2078.0     17.191    0.001     117.638    0.004
2079.0     17.210    0.001     117.948    0.004
2080.0     17.228    0.001     118.257    0.004
2081.0     17.248    0.001     118.566    0.004
2082.0     17.268    0.001     118.874    0.004
2083.0     17.288    0.001     119.181    0.004
2084.0     17.309    0.001     119.487    0.004
2085.0     17.330    0.001     119.793    0.004
2086.0     17.352    0.001     120.098    0.004
2087.0     17.374    0.001     120.402    0.004
2088.0     17.397    0.001     120.706    0.004
2089.0     17.420    0.001     121.008    0.004
2090.0     17.444    0.001     121.310    0.004
2091.0     17.468    0.001     121.611    0.004
2092.0     17.493    0.001     121.911    0.004
2093.0     17.518    0.001     122.210    0.005
2094.0     17.544    0.001     122.509    0.005
2095.0     17.570    0.001     122.806    0.005
2096.0     17.596    0.002     123.103    0.005
2097.0     17.624    0.002     123.398    0.005
2098.0     17.651    0.002     123.693    0.005
2099.0     17.679    0.002     123.987    0.005
2100.0     17.708    0.002     124.280    0.005


Measurements for STF 1321 AB

WDS ID      Discovr     Comp  #    Sep      PA       Epoch      Obs  Telescope     Camera    Note
-------------------------------------------------------------------------------------------------
09144+5241  STF 1321    AB    1    16.98"   100.1°   B2023.305  HWI  120/900 APO   ASI120MC  

-- Image of STF-1321-AB-taken with Equinox 120/900 APO --


WDS record for STF 1321 AB
wds_id                       : 09144+5241
discoverer_code              : STF
discoverer_number            : 1321
discoverer_components        : AB
date_first                   : 1821
date_last                    : 2021
num_of_obs                   : 480
pa_first                     : 44
pa_last                      : 100
sep_first                    : 21.1
sep_last                     : 17.0
mag_primary                  : 7.79
mag_secondary                : 7.88
spectral_type                : K7V+M0V
primary_proper_motion_RA     : -155
primary_proper_motion_DEC    : -57
secondary_proper_motion_RA   : -157
secondary_proper_motion_DEC  : -66
dm_number                    : +53 1320
notes                        : NO P
precise_coordinate           : 091422.79+524111.8

WDS Notes:
----------
N: Notes found in WDSNOT MEMO of WDS
O: Orbit described in WDSNOT MEMO and has entry in Orbit Catalog
P: 100-year proper motion in right ascension and declination


Orbital Elements for STF 1321 AB
WDS: STF 1321 AB WDS ID/Discoverer
P: 1986.300 Orbital period (years)
a: 25.77 Semi-major axis (arcseconds)
i: 38.3 Inclination (degrees)
Ω: 48.7 Longitude of ascending node (degrees)
T: 1937.200 Epoch of periastron passage (year)
e: 0.241 Eccentricity
ω: 32.1 Longitude of periastron (degrees)
Start-Year: 1032.0 Year
End-Year: 3018.0 Year
Epoch: 2023.3 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for STF 1321 AB
Position: 091422.79+524111.8 Epoch-2000 right ascension and declination
WDS-ID: 09144+5241 WDS designation
Discoverer Code: STF 1321 AB Discover designation and components
ADS number: 7251 Aitken Double Star catalog
HD number: 79210 HD catalog number
Hipparcos number: 45343 Hipparcos catalog number
V1: 7.79 Magnitude of the primary
V2: 7.88 Magnitude of the secondary
Equinox: Equinox
Date: Date of last observation
Orbit grade: 4 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags

Double Star Orbit for STF 1321 AB



WDS 6th Orbit including measures of STF 1321 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 1321 AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2023.3    16.969    100.2
-------------------------
1032.0    28.938    264.1
1042.0    28.769    265.2
1052.0    28.595    266.3
1062.0    28.417    267.5
1072.0    28.235    268.6
1082.0    28.048    269.8
1092.0    27.859    270.9
1102.0    27.665    272.1
1112.0    27.469    273.3
1122.0    27.270    274.6
1132.0    27.069    275.8
1142.0    26.865    277.1
1152.0    26.659    278.3
1162.0    26.451    279.6
1172.0    26.243    281.0
1182.0    26.033    282.3
1192.0    25.822    283.7
1202.0    25.611    285.0
1212.0    25.401    286.5
1222.0    25.190    287.9
1232.0    24.980    289.3
1242.0    24.772    290.8
1252.0    24.565    292.3
1262.0    24.359    293.9
1272.0    24.156    295.4
1282.0    23.956    297.0
1292.0    23.758    298.6
1302.0    23.564    300.3
1312.0    23.373    301.9
1322.0    23.187    303.6
1332.0    23.005    305.3
1342.0    22.828    307.1
1352.0    22.657    308.8
1362.0    22.491    310.6
1372.0    22.331    312.5
1382.0    22.177    314.3
1392.0    22.030    316.2
1402.0    21.889    318.1
1412.0    21.756    320.0
1422.0    21.630    322.0
1432.0    21.512    323.9
1442.0    21.402    325.9
1452.0    21.299    327.9
1462.0    21.204    330.0
1472.0    21.118    332.0
1482.0    21.039    334.1
1492.0    20.968    336.2
1502.0    20.906    338.3
1512.0    20.851    340.4
1522.0    20.803    342.5
1532.0    20.763    344.6
1542.0    20.731    346.7
1552.0    20.704    348.9
1562.0    20.685    351.0
1572.0    20.671    353.1
1582.0    20.662    355.3
1592.0    20.659    357.4
1602.0    20.659    359.6
1612.0    20.663      1.7
1622.0    20.671      3.9
1632.0    20.680      6.0
1642.0    20.691      8.2
1652.0    20.703     10.3
1662.0    20.714     12.4
1672.0    20.725     14.6
1682.0    20.734     16.7
1692.0    20.741     18.8
1702.0    20.744     21.0
1712.0    20.742     23.1
1722.0    20.736     25.2
1732.0    20.724     27.4
1742.0    20.705     29.5
1752.0    20.679     31.7
1762.0    20.645     33.8
1772.0    20.602     36.0
1782.0    20.550     38.1
1792.0    20.488     40.3
1802.0    20.416     42.5
1812.0    20.333     44.7
1822.0    20.240     46.9
1832.0    20.135     49.2
1842.0    20.020     51.4
1852.0    19.894     53.7
1862.0    19.758     56.1
1872.0    19.611     58.4
1882.0    19.455     60.8
1892.0    19.291     63.3
1902.0    19.119     65.8
1912.0    18.940     68.3
1922.0    18.755     70.9
1932.0    18.567     73.5
1942.0    18.376     76.2
1952.0    18.185     79.0
1962.0    17.994     81.8
1972.0    17.807     84.6
1982.0    17.624     87.5
1992.0    17.449     90.5
2002.0    17.282     93.6
2012.0    17.128     96.7
2022.0    16.986     99.8
2032.0    16.860    103.0
2042.0    16.752    106.3
2052.0    16.663    109.5
2062.0    16.595    112.9
2072.0    16.549    116.2
2082.0    16.526    119.5
2092.0    16.528    122.9
2102.0    16.555    126.3
2112.0    16.608    129.6
2122.0    16.686    132.9
2132.0    16.789    136.2
2142.0    16.916    139.4
2152.0    17.068    142.6
2162.0    17.243    145.7
2172.0    17.439    148.7
2182.0    17.656    151.7
2192.0    17.892    154.6
2202.0    18.146    157.4
2212.0    18.416    160.2
2222.0    18.701    162.8
2232.0    18.998    165.4
2242.0    19.307    167.9
2252.0    19.626    170.3
2262.0    19.954    172.7
2272.0    20.288    175.0
2282.0    20.628    177.1
2292.0    20.973    179.3
2302.0    21.320    181.3
2312.0    21.670    183.3
2322.0    22.021    185.2
2332.0    22.372    187.1
2342.0    22.722    188.9
2352.0    23.070    190.6
2362.0    23.416    192.3
2372.0    23.758    194.0
2382.0    24.097    195.6
2392.0    24.431    197.1
2402.0    24.760    198.7
2412.0    25.083    200.1
2422.0    25.400    201.6
2432.0    25.711    203.0
2442.0    26.015    204.3
2452.0    26.312    205.7
2462.0    26.601    207.0
2472.0    26.882    208.3
2482.0    27.156    209.5
2492.0    27.421    210.8
2502.0    27.677    212.0
2512.0    27.925    213.2
2522.0    28.164    214.3
2532.0    28.395    215.5
2542.0    28.616    216.6
2552.0    28.828    217.7
2562.0    29.031    218.8
2572.0    29.224    219.9
2582.0    29.408    220.9
2592.0    29.583    222.0
2602.0    29.748    223.0
2612.0    29.904    224.1
2622.0    30.050    225.1
2632.0    30.187    226.1
2642.0    30.315    227.1
2652.0    30.433    228.1
2662.0    30.541    229.1
2672.0    30.640    230.1
2682.0    30.730    231.0
2692.0    30.811    232.0
2702.0    30.882    233.0
2712.0    30.945    233.9
2722.0    30.998    234.9
2732.0    31.042    235.8
2742.0    31.077    236.8
2752.0    31.103    237.7
2762.0    31.121    238.7
2772.0    31.129    239.6
2782.0    31.129    240.6
2792.0    31.121    241.5
2802.0    31.104    242.5
2812.0    31.079    243.4
2822.0    31.046    244.4
2832.0    31.005    245.3
2842.0    30.955    246.3
2852.0    30.898    247.2
2862.0    30.834    248.2
2872.0    30.761    249.2
2882.0    30.682    250.1
2892.0    30.595    251.1
2902.0    30.501    252.1
2912.0    30.399    253.1
2922.0    30.292    254.1
2932.0    30.177    255.1
2942.0    30.056    256.1
2952.0    29.929    257.1
2962.0    29.795    258.1
2972.0    29.656    259.2
2982.0    29.510    260.2
2992.0    29.360    261.3
3002.0    29.204    262.3
3012.0    29.042    263.4


Parsed GAIA Input Data
Click to expand/collapse the Gaia Input Data:
Star A
solution_id = 1636148068921376768
designation = Gaia DR3 1022456139210632064
source_id = 1022456139210632064
random_index = 138761282.0
ref_epoch = 2016.0
ra = 138.5835616152243
ra_error = 0.015589127
dec = 52.68408016691263
dec_error = 0.013035298
parallax = 157.88793077923938
parallax_error = 0.019652834
parallax_over_error = 8033.85
pm = 1647.2037
pmra = -1545.7874520604669
pmra_error = 0.017731367
pmdec = -569.052823523412
pmdec_error = 0.017665254
ra_dec_corr = -0.013801563
ra_parallax_corr = -0.07933456
ra_pmra_corr = 0.16144353
ra_pmdec_corr = 0.31632632
dec_parallax_corr = 0.041153084
dec_pmra_corr = 0.24758089
dec_pmdec_corr = -0.30302468
parallax_pmra_corr = 0.18362288
parallax_pmdec_corr = 0.024226757
pmra_pmdec_corr = 0.07137099
astrometric_n_obs_al = 365
astrometric_n_obs_ac = 365
astrometric_n_good_obs_al = 363
astrometric_n_bad_obs_al = 2
astrometric_gof_al = 2.2408905
astrometric_chi2_al = 1001.2219
astrometric_excess_noise = 0.12741469
astrometric_excess_noise_sig = 16.63452
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.3711776
astrometric_matched_transits = 41
visibility_periods_used = 21
astrometric_sigma5d_max = 0.026150146
matched_transits = 45
new_matched_transits = 14
matched_transits_removed = 4
ipd_gof_harmonic_amplitude = 0.061041985
ipd_gof_harmonic_phase = 119.27017
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 1.0839477
duplicated_source = false
phot_g_n_obs = 381
phot_g_mean_flux = 30516616.77884368
phot_g_mean_flux_error = 7852.7905
phot_g_mean_flux_over_error = 3886.0857
phot_g_mean_mag = 6.976026
phot_bp_n_obs = 39
phot_bp_mean_flux = 9773584.545192773
phot_bp_mean_flux_error = 6363.931
phot_bp_mean_flux_over_error = 1535.7778
phot_bp_mean_mag = 7.8634076
phot_rp_n_obs = 35
phot_rp_mean_flux = 30249389.537696894
phot_rp_mean_flux_error = 13378.576
phot_rp_mean_flux_over_error = 2261.032
phot_rp_mean_mag = 6.046104
phot_bp_rp_excess_factor = 1.3115141
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 = 1.8173037
bp_g = 0.88738155
g_rp = 0.9299221
radial_velocity = 10.642178
radial_velocity_error = 0.122533135
rv_method_used = 1
rv_nb_transits = 24
rv_nb_deblended_transits = 0
rv_visibility_periods_used = 17
rv_expected_sig_to_noise = 763.2043
rv_renormalised_gof = -0.98505044
rv_chisq_pvalue = 0.28901932
rv_time_duration = 955.1872
rv_amplitude_robust = 0.7185707
rv_template_teff = 3900.0
rv_template_logg = 4.5
rv_template_fe_h = 0.25
rv_atm_param_origin = 222
vbroad = 11.425915
vbroad_error = 0.5818656
vbroad_nb_transits = 22
grvs_mag = 5.6585627
grvs_mag_error = 0.0047489936
grvs_mag_nb_transits = 24
rvs_spec_sig_to_noise = 829.6664
phot_variable_flag = NOT_AVAILABLE
l = 164.94062343071144
b = 42.66121164995245
ecl_lon = 123.59830218737616
ecl_lat = 34.761394807912374
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 = 3745.384
teff_gspphot_lower = 3729.2944
teff_gspphot_upper = 3786.4963
logg_gspphot = 4.5113
logg_gspphot_lower = 4.4799
logg_gspphot_upper = 4.5419
mh_gspphot = -0.5138
mh_gspphot_lower = -0.5891
mh_gspphot_upper = -0.3585
distance_gspphot = 6.3395
distance_gspphot_lower = 6.321
distance_gspphot_upper = 6.3581
azero_gspphot = 0.0004
azero_gspphot_lower = 0.0001
azero_gspphot_upper = 0.0031
ag_gspphot = 0.0003
ag_gspphot_lower = 0.0
ag_gspphot_upper = 0.0022
ebpminrp_gspphot = 0.0001
ebpminrp_gspphot_lower = 0.0
ebpminrp_gspphot_upper = 0.0013
libname_gspphot = PHOENIX
    Star B
solution_id = 1636148068921376768
designation = Gaia DR3 1022456104850892928
source_id = 1022456104850892928
random_index = 1170976427.0
ref_epoch = 2016.0
ra = 138.5913117966687
ra_error = 0.01562361
dec = 52.68342944184038
dec_error = 0.0145306615
parallax = 157.8824911260602
parallax_error = 0.021135049
parallax_over_error = 7470.174
pm = 1705.8522
pmra = -1573.0402244550992
pmra_error = 0.017991045
pmdec = -659.9060008123529
pmdec_error = 0.018531306
ra_dec_corr = -0.022394901
ra_parallax_corr = -0.1661414
ra_pmra_corr = 0.0855685
ra_pmdec_corr = 0.32885888
dec_parallax_corr = -0.038569655
dec_pmra_corr = 0.24808063
dec_pmdec_corr = -0.30350822
parallax_pmra_corr = 0.16755842
parallax_pmdec_corr = -0.050138995
pmra_pmdec_corr = 0.076136746
astrometric_n_obs_al = 363
astrometric_n_obs_ac = 363
astrometric_n_good_obs_al = 361
astrometric_n_bad_obs_al = 2
astrometric_gof_al = 3.125173
astrometric_chi2_al = 1031.5399
astrometric_excess_noise = 0.13858826
astrometric_excess_noise_sig = 18.680109
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.3671384
astrometric_matched_transits = 41
visibility_periods_used = 22
astrometric_sigma5d_max = 0.027045295
matched_transits = 44
new_matched_transits = 15
matched_transits_removed = 5
ipd_gof_harmonic_amplitude = 0.06227299
ipd_gof_harmonic_phase = 178.32274
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 1.118406
duplicated_source = false
phot_g_n_obs = 377
phot_g_mean_flux = 28389962.926592026
phot_g_mean_flux_error = 6835.6973
phot_g_mean_flux_over_error = 4153.192
phot_g_mean_mag = 7.054455
phot_bp_n_obs = 42
phot_bp_mean_flux = 8946524.276294766
phot_bp_mean_flux_error = 5412.428
phot_bp_mean_flux_over_error = 1652.9595
phot_bp_mean_mag = 7.9594064
phot_rp_n_obs = 40
phot_rp_mean_flux = 28443015.984362353
phot_rp_mean_flux_error = 12089.323
phot_rp_mean_flux_over_error = 2352.7385
phot_rp_mean_mag = 6.1129565
phot_bp_rp_excess_factor = 1.3169986
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 = 1.8464499
bp_g = 0.9049516
g_rp = 0.9414983
radial_velocity = 11.969568
radial_velocity_error = 0.122066654
rv_method_used = 1
rv_nb_transits = 24
rv_nb_deblended_transits = 0
rv_visibility_periods_used = 17
rv_expected_sig_to_noise = 729.5842
rv_renormalised_gof = -2.5783463
rv_chisq_pvalue = 0.50266576
rv_time_duration = 955.18726
rv_amplitude_robust = 0.8336086
rv_template_teff = 3800.0
rv_template_logg = 4.5
rv_template_fe_h = 0.25
rv_atm_param_origin = 222
vbroad = 13.637174
vbroad_error = 0.61193717
vbroad_nb_transits = 22
grvs_mag = 5.7199235
grvs_mag_error = 0.0047096703
grvs_mag_nb_transits = 24
rvs_spec_sig_to_noise = 792.5533
phot_variable_flag = NOT_AVAILABLE
l = 164.9403034685423
b = 42.665948928286376
ecl_lon = 123.60391837745611
ecl_lat = 34.7624945711399
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




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 22:28:15 +0100



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