| Coord 2000 | 20259+4019 |
Discov num | ALI1142 |
Comp | Coord arcsec 2000 | 20 25 54.02 +40 18 40.5 |
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| Date first | 1928 |
Date last | 2015 |
Obs | 9 |
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| Pa first | 71 |
Pa last | 56 |
P.A. Now (θ) | 56° |
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| Sep first | 11.2 |
Sep last | 12.1 |
Sep. Now (ρ) | 12.1" |
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| Mag pri | 12.10 |
Mag sec | 12.30 |
delta mag (ΔM) | 0.2 |
Spectral class | |||||
| Pri motion ra | -009 |
Sec motion ra | -004 |
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| Pri motion dec | -018 |
Sec motion dec | +005 |
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| Notes | |||||||||||
| Precise pa | 55.9 |
Precise sep | 12.079 |
Constellation | Cygnus |
Gaia DR2 | 2067482052392592896 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20259+4019 | ALI1142 | 1998 | 2 | 57 | 11.9 | 12.50 | 13.10 | D | 202554.02+401840.5 | ||
| 20259+4019 | ALI1142 | 2002 | 3 | 57 | 11.9 | 12.50 | 13.10 | D | 202554.02+401840.5 | ||
| 20259+4019 | ALI1142 | 2010 | 4 | 57 | 11.9 | 12.10 | 12.30 | 202554.02+401840.5 | |||
| 20259+4019 | ALI1142 | 2015 | 5 | 56 | 12.1 | 12.10 | 12.30 | 202554.02+401840.5 |