Coord 2000 | 20122+3600 |
Discov num | SEI 991 |
Comp | Coord arcsec 2000 | 20 12 06.39 +35 59 36.5 |
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Date first | 1896 |
Date last | 2015 |
Obs | 11 |
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Pa first | 297 |
Pa last | 296 |
P.A. Now (θ) | 296° |
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Sep first | 20.6 |
Sep last | 20.1 |
Sep. Now (ρ) | 20.1" |
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Mag pri | 11.68 |
Mag sec | 12.50 |
delta mag (ΔM) | 0.82 |
Spectral class | |||||
Pri motion ra | -002 |
Sec motion ra | -002 |
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Pri motion dec | -008 |
Sec motion dec | -008 |
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Notes |
Precise pa | 296 |
Precise sep | 20.101 |
Constellation | Cygnus |
Tycho2 | 2683-01860-1 |
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Gaia DR2 | 95811769856 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
20122+3600 | SEI 991 | 1998 | 5 | 296 | 20.2 | 11.68 | 12.50 | D | 201206.39+355936.5 | ||
20122+3600 | SEI 991 | 2002 | 6 | 296 | 20.1 | 11.68 | 12.50 | D | 201206.39+355936.5 | ||
20122+3600 | SEI 991 | 2010 | 7 | 294 | 19.8 | 11.68 | 12.50 | 201206.39+355936.5 | |||
20122+3600 | SEI 991 | 2015 | 7 | 296 | 20.1 | 11.68 | 12.50 | 201206.39+355936.5 |