| Coord 2000 | 20128+3916 |
Discov num | SEI1013 |
Comp | Coord arcsec 2000 | 20 12 49.41 +39 16 14.6 |
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| Date first | 1892 |
Date last | 2015 |
Obs | 14 |
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| Pa first | 330 |
Pa last | 330 |
P.A. Now (θ) | 330° |
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| Sep first | 19.7 |
Sep last | 20.6 |
Sep. Now (ρ) | 20.6" |
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| Mag pri | 10.79 |
Mag sec | 11.57 |
delta mag (ΔM) | 0.78 |
Spectral class | F8 (yellow-white) |
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| Pri motion ra | +007 |
Sec motion ra | +004 |
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| Pri motion dec | +003 |
Sec motion dec | +008 |
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| Notes | |||||||||||
| Precise pa | 330.3 |
Precise sep | 20.558 |
Constellation | Cygnus |
Tycho2 | 3151-00273-1 |
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| Gaia DR2 | 01935804800 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20128+3916 | SEI1013 | 1999 | 7 | 330 | 20.5 | 10.79 | 11.57 | D | 201249.41+391614.6 | ||
| 20128+3916 | SEI1013 | 2002 | 8 | 330 | 20.5 | 10.79 | 11.57 | D | 201249.41+391614.6 | ||
| 20128+3916 | SEI1013 | 2010 | 9 | 330 | 20.7 | 10.79 | 11.57 | F8 | 201249.41+391614.6 | ||
| 20128+3916 | SEI1013 | 2015 | 10 | 330 | 20.6 | 10.79 | 11.57 | F8 | 201249.41+391614.6 |