| Coord 2000 | 20109+3047 |
Discov num | HDS2876 |
Comp | Coord arcsec 2000 | 20 10 54.39 +30 47 22.9 |
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| Date first | 1991 |
Date last | 1991 |
Obs | 1 |
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| Pa first | 72 |
Pa last | 72 |
P.A. Now (θ) | 72° |
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| Sep first | 0.3 |
Sep last | 0.3 |
Sep. Now (ρ) | 0.3" |
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| Mag pri | 6.99 |
Mag sec | 10.03 |
delta mag (ΔM) | 3.04 |
Spectral class | B9 (blue-white) |
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| Pri motion ra | +006 |
Sec motion ra | |||||||||
| Pri motion dec | -001 |
Sec motion dec | |||||||||
| Notes | |||||||||||
| Precise pa | 72 |
Precise sep | 0.341 |
Constellation | Cygnus |
SAO | 69562 |
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| HIP | 99431 |
Tycho2 | 2671-01740-1 |
Gaia DR2 | 2029919299226305792 |
HD | 191855 |
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| BD | BD+30 3929 |
Distance | 606.06 |
Distance ly | 1976.97 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20109+3047 | HDS2876 | 1991 | 1 | 72 | 0.3 | 6.99 | 10.03 | B9 | D | 201054.39+304722.9 |