| Coord 2000 | 20312+4137 |
Discov num | J 1196 |
Comp | Coord arcsec 2000 | 20 31 08.22 +41 35 32.6 |
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| Date first | 1915 |
Date last | 2015 |
Obs | 8 |
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| Pa first | 16 |
Pa last | 9 |
P.A. Now (θ) | 9° |
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| Sep first | 3.8 |
Sep last | 4.7 |
Sep. Now (ρ) | 4.7" |
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| Mag pri | 11.30 |
Mag sec | 12.20 |
delta mag (ΔM) | 0.9 |
Spectral class | G (yellow) |
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| Pri motion ra | -015 |
Sec motion ra | +010 |
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| Pri motion dec | -084 |
Sec motion dec | +021 |
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| Notes | |||||||||||
| Precise pa | 9.2 |
Precise sep | 4.7 |
Constellation | Cygnus |
Tycho2 | 3161-00600-1 |
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| Gaia DR2 | 55891837952 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20312+4137 | J 1196 | 2006 | 5 | 4 | 5.0 | 9.50 | 10.50 | D | 203108.22+413532.6 | ||
| 20312+4137 | J 1196 | 2010 | 7 | 11 | 4.8 | 11.30 | 12.20 | G | 203108.22+413532.6 | ||
| 20312+4137 | J 1196 | 2015 | 8 | 9 | 4.7 | 11.30 | 12.20 | G | 203108.22+413532.6 |