| Coord 2000 | 20042+4645 |
Discov num | HDS2861 |
Comp | Coord arcsec 2000 | 20 04 09.90 +46 44 30.5 |
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| Date first | 1892 |
Date last | 2015 |
Obs | 14 |
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| Pa first | 108 |
Pa last | 109 |
P.A. Now (θ) | 109° |
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| Sep first | 16.4 |
Sep last | 16.7 |
Sep. Now (ρ) | 16.7" |
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| Mag pri | 9.68 |
Mag sec | 10.72 |
delta mag (ΔM) | 1.04 |
Spectral class | A (white) |
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| Pri motion ra | -005 |
Sec motion ra | -006 |
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| Pri motion dec | -004 |
Sec motion dec | -008 |
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| Notes | |||||||||||
| Precise pa | 109.2 |
Precise sep | 16.687 |
Constellation | Cygnus |
SAO | 49144 |
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| HIP | 98827 |
Tycho2 | 3559-00113-1 |
Gaia DR2 | 14625399040 |
HD | 190698 |
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| BD | BD+46 2842 |
Distance | 595.24 |
Distance ly | 1941.67 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20042+4645 | HDS2861 | 1998 | 7 | 109 | 16.7 | 9.68 | 10.72 | A | D | 200409.90+464430.5 | |
| 20042+4645 | HDS2861 | 2008 | 8 | 109 | 16.8 | 9.68 | 10.72 | A | D | 200409.90+464430.5 | |
| 20042+4645 | HDS2861 | 2010 | 10 | 109 | 16.6 | 9.68 | 10.72 | A | 200409.90+464430.5 | ||
| 20042+4645 | HDS2861 | 2015 | 14 | 109 | 16.7 | 9.68 | 10.72 | A | 200409.90+464430.5 |