| Coord 2000 | 20248+4223 |
Discov num | ES 1678 |
Comp | Coord arcsec 2000 | 20 24 46.63 +42 23 05.3 |
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| Date first | 1917 |
Date last | 2015 |
Obs | 8 |
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| Pa first | 181 |
Pa last | 187 |
P.A. Now (θ) | 187° |
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| Sep first | 7.3 |
Sep last | 6.6 |
Sep. Now (ρ) | 6.6" |
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| Mag pri | 9.27 |
Mag sec | 14.30 |
delta mag (ΔM) | 5.03 |
Spectral class | B3Vn (blue-white) |
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| Pri motion ra | -006 |
Sec motion ra | |||||||||
| Pri motion dec | -006 |
Sec motion dec | |||||||||
| Notes | |||||||||||
| Precise pa | 187.2 |
Precise sep | 6.576 |
Constellation | Cygnus |
SAO | 49589 |
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| Tycho2 | 3160-00616-1 |
Gaia DR2 | 2068914131930396032 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20248+4223 | ES 1678 | 1998 | 2 | 188 | 6.5 | 9.27 | 14.30 | B3Vn | D | 202446.63+422305.3 | |
| 20248+4223 | ES 1678 | 2002 | 3 | 187 | 6.5 | 9.27 | 14.30 | B3Vn | D | 202446.63+422305.3 | |
| 20248+4223 | ES 1678 | 2015 | 4 | 187 | 6.6 | 9.27 | 14.30 | B3Vn | 202446.63+422305.3 |