| Coord 2000 | 20143+4115 |
Discov num | COU2639 |
Comp | Coord arcsec 2000 | 20 14 19.75 +41 15 27.6 |
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| Date first | 1990 |
Date last | 2008 |
Obs | 4 |
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| Pa first | 262 |
Pa last | 244 |
P.A. Now (θ) | 244° |
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| Sep first | 0.4 |
Sep last | 0.4 |
Sep. Now (ρ) | 0.4" |
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| Mag pri | 10.91 |
Mag sec | 10.98 |
delta mag (ΔM) | 0.07 |
Spectral class | B2 (blue-white) |
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| Pri motion ra | -003 |
Sec motion ra | -003 |
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| Pri motion dec | -006 |
Sec motion dec | -006 |
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| Notes | |||||||||||
| Precise pa | 244 |
Precise sep | 0.445 |
Constellation | Cygnus |
SAO | 49344 |
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| Tycho2 | 3159-00733-1 |
Gaia DR2 | 43311772800 |
HD | 228496 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20143+4115 | COU2639 | 1996 | 3 | 252 | 0.4 | 10.91 | 10.98 | B2 | 201419.75+411527.6 | ||
| 20143+4115 | COU2639 | 2008 | 4 | 244 | 0.4 | 10.91 | 10.98 | B2 | 201419.75+411527.6 |