| Coord 2000 | 20212+4128 |
Discov num | A 287 |
Comp | Coord arcsec 2000 | 20 21 09.45 +41 27 44.3 |
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| Date first | 1901 |
Date last | 2010 |
Obs | 10 |
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| Pa first | 129 |
Pa last | 131 |
P.A. Now (θ) | 131° |
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| Sep first | 1.4 |
Sep last | 1.5 |
Sep. Now (ρ) | 1.5" |
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| Mag pri | 9.82 |
Mag sec | 11.36 |
delta mag (ΔM) | 1.54 |
Spectral class | A2 (white) |
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| Pri motion ra | +008 |
Sec motion ra | +008 |
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| Pri motion dec | -004 |
Sec motion dec | -004 |
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| Notes | |||||||||||
| Precise pa | 130.8 |
Precise sep | 1.47 |
Constellation | Cygnus |
SAO | 49505 |
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| Tycho2 | 3160-00537-1 |
Gaia DR2 | 23045976320 |
HD | 229062 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20212+4128 | A 287 | 1997 | 9 | 130 | 1.5 | 9.82 | 11.36 | A2 | 202109.45+412744.3 | ||
| 20212+4128 | A 287 | 2010 | 10 | 131 | 1.5 | 9.82 | 11.36 | A2 | 202109.45+412744.3 |