Coord 2000 | 20123+4505 |
Discov num | ES 1268 |
Comp | Coord arcsec 2000 | 20 12 16.26 +45 05 18.8 |
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Date first | 1892 |
Date last | 2015 |
Obs | 10 |
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Pa first | 156 |
Pa last | 150 |
P.A. Now (θ) | 150° |
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Sep first | 8.1 |
Sep last | 8.2 |
Sep. Now (ρ) | 8.2" |
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Mag pri | 9.47 |
Mag sec | 11.70 |
delta mag (ΔM) | 2.23 |
Spectral class | B9 (blue-white) |
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Pri motion ra | +002 |
Sec motion ra | +009 |
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Pri motion dec | +000 |
Sec motion dec | +000 |
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Notes |
Precise pa | 150.1 |
Precise sep | 8.192 |
Constellation | Cygnus |
SAO | 49315 |
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Tycho2 | 3559-02304-1 |
Gaia DR2 | 80722071168 |
HD | 192278 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
20123+4505 | ES 1268 | 1998 | 4 | 151 | 8.1 | 9.47 | 11.70 | B9 | D | 201216.26+450518.8 | |
20123+4505 | ES 1268 | 2003 | 5 | 151 | 8.2 | 9.47 | 11.70 | B9 | D | 201216.26+450518.8 | |
20123+4505 | ES 1268 | 2010 | 6 | 152 | 8.0 | 9.47 | 11.70 | B9 | 201216.26+450518.8 | ||
20123+4505 | ES 1268 | 2015 | 10 | 150 | 8.2 | 9.47 | 11.70 | B9 | 201216.26+450518.8 |