Coord 2000 | 20311+1247 |
Discov num | J 3244 |
Comp | Coord arcsec 2000 | 20 31 08.00 +12 45 59.0 |
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Date first | 1949 |
Date last | 2015 |
Obs | 4 |
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Pa first | 183 |
Pa last | 153 |
P.A. Now (θ) | 153° |
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Sep first | 4.2 |
Sep last | 4.4 |
Sep. Now (ρ) | 4.4" |
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Mag pri | 12.80 |
Mag sec | 15.70 |
delta mag (ΔM) | 2.9 |
Spectral class | |||||
Pri motion ra | -011 |
Sec motion ra | |||||||||
Pri motion dec | -004 |
Sec motion dec | |||||||||
Notes |
Precise pa | 152.5 |
Precise sep | 4.416 |
Constellation | Delphinus |
Tycho2 | 1095-00217-1 |
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Gaia DR2 | 63742959104 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
20311+1247 | J 3244 | 1949 | 1 | 183 | 4.2 | 11.38 | 12.90 | 203102.42+124720.8 | |||
20311+1247 | J 3244 | 2001 | 4 | 160 | 4.6 | 11.38 | 12.90 | 203108.00+124559.0 | |||
20311+1247 | J 3244 | 2015 | 5 | 153 | 4.4 | 12.80 | 15.70 | 203108.00+124559.0 |