| Coord 2000 | 20216+3902 |
Discov num | SEI1101 |
Comp | Coord arcsec 2000 | 20 21 34.14 +39 02 13.6 |
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| Date first | 1895 |
Date last | 2015 |
Obs | 9 |
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| Pa first | 12 |
Pa last | 11 |
P.A. Now (θ) | 11° |
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| Sep first | 10.9 |
Sep last | 11.6 |
Sep. Now (ρ) | 11.6" |
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| Mag pri | 11.67 |
Mag sec | 12.90 |
delta mag (ΔM) | 1.23 |
Spectral class | |||||
| Pri motion ra | -010 |
Sec motion ra | -003 |
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| Pri motion dec | -010 |
Sec motion dec | -005 |
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| Notes | |||||||||||
| Precise pa | 11.1 |
Precise sep | 11.638 |
Constellation | Cygnus |
Tycho2 | 3152-00249-1 |
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| Gaia DR2 | 2061394125234338176 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20216+3902 | SEI1101 | 1998 | 3 | 11 | 11.6 | 11.67 | 12.90 | D | 202134.14+390213.6 | ||
| 20216+3902 | SEI1101 | 2002 | 4 | 11 | 11.6 | 11.67 | 12.90 | D | 202134.14+390213.6 | ||
| 20216+3902 | SEI1101 | 2010 | 5 | 12 | 11.3 | 11.67 | 12.90 | 202134.14+390213.6 | |||
| 20216+3902 | SEI1101 | 2015 | 5 | 11 | 11.6 | 11.67 | 12.90 | 202134.14+390213.6 |