| Coord 2000 | 20118+3540 |
Discov num | SEI 979 |
Comp | Coord arcsec 2000 | 20 11 44.84 +35 39 35.3 |
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| Date first | 1896 |
Date last | 2016 |
Obs | 11 |
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| Pa first | 346 |
Pa last | 350 |
P.A. Now (θ) | 350° |
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| Sep first | 5.3 |
Sep last | 6.3 |
Sep. Now (ρ) | 6.3" |
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| Mag pri | 10.09 |
Mag sec | 12.60 |
delta mag (ΔM) | 2.51 |
Spectral class | A2V (white) |
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| Pri motion ra | +005 |
Sec motion ra | +003 |
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| Pri motion dec | +001 |
Sec motion dec | -004 |
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| Notes | |||||||||||
| Precise pa | 350.1 |
Precise sep | 6.264 |
Constellation | Cygnus |
Tycho2 | 2683-03681-1 |
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| Gaia DR2 | 2058930463296047232 |
HD | 228223 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20118+3540 | SEI 979 | 1998 | 4 | 350 | 6.3 | 10.09 | 12.60 | A2V | D | 201144.84+353935.3 | |
| 20118+3540 | SEI 979 | 2002 | 5 | 350 | 6.3 | 10.09 | 12.60 | A2V | D | 201144.84+353935.3 | |
| 20118+3540 | SEI 979 | 2015 | 6 | 350 | 6.3 | 10.09 | 12.60 | A2V | 201144.84+353935.3 |