| Coord 2000 | 20318+4933 |
Discov num | BU 1136 |
Comp | Coord arcsec 2000 | 20 31 46.51 +49 32 32.5 |
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| Date first | 1889 |
Date last | 2016 |
Obs | 17 |
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| Pa first | 207 |
Pa last | 215 |
P.A. Now (θ) | 215° |
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| Sep first | 0.4 |
Sep last | 0.7 |
Sep. Now (ρ) | 0.7" |
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| Mag pri | 7.75 |
Mag sec | 9.19 |
delta mag (ΔM) | 1.44 |
Spectral class | B9 (blue-white) |
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| Pri motion ra | +006 |
Sec motion ra | +006 |
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| Pri motion dec | +008 |
Sec motion dec | +008 |
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| Notes | |||||||||||
| Precise pa | 215 |
Precise sep | 0.66 |
Constellation | Cygnus |
SAO | 49754 |
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| HIP | 101284 |
Tycho2 | 3581-01451-1 |
Gaia DR2 | 2180065583451898880 |
HD | 195853 |
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| BD | BD+49 3305 |
Distance | 197.63 |
Distance ly | 644.67 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20318+4933 | BU 1136 | 2005 | 14 | 218 | 0.6 | 7.75 | 9.19 | B9 | D | 203146.51+493232.5 | |
| 20318+4933 | BU 1136 | 2007 | 15 | 215 | 0.6 | 7.75 | 9.19 | B9 | D | 203146.51+493232.5 | |
| 20318+4933 | BU 1136 | 2016 | 16 | 215 | 0.7 | 7.75 | 9.19 | B9 | 203146.51+493232.5 |