Coord 2000 | 20301+4857 |
Discov num | BU 669 |
Comp | AC |
Coord arcsec 2000 | 20 30 03.53 +48 57 05.6 |
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Date first | 1878 |
Date last | 2013 |
Obs | 11 |
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Pa first | 86 |
Pa last | 89 |
P.A. Now (θ) | 89° |
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Sep first | 56.3 |
Sep last | 55.8 |
Sep. Now (ρ) | 55.8" |
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Mag pri | 4.92 |
Mag sec | 11.77 |
delta mag (ΔM) | 6.85 |
Spectral class | B2.5IV (blue-white) |
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Pri motion ra | +011 |
Sec motion ra | +009 |
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Pri motion dec | +007 |
Sec motion dec | -016 |
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Notes | N
(See Notes) |
Show | name | SAO | coord_2000 | discov# | comp | first | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | Ome1 Cyg | 49712 | 20301+4857 | BU 669 | AB | 1878 | 2013 | 10 | 336 | 15.0 | 4.95 | 12.90 | 7.95 | ||
Show | 49712 | 20301+4857 | BU 669 | AC | 1878 | 2013 | 11 | 89 | 55.8 | 4.92 | 11.77 | 6.85 | <=== | ||
Show | 49712 | 20301+4857 | GUI 32 | AD | 1899 | 2015 | 7 | 44 | 131.1 | 4.92 | 11.99 | 7.07 |
Precise pa | 88.8 |
Precise sep | 55.78 |
Constellation | Cygnus |
SAO | 49712 |
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HIP | 101138 |
Tycho2 | 3581-02031-1 |
Gaia DR2 | 91862120192 |
HD | 195556 |
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HR | 7844 |
GC | 28537 |
BD | BD+48 3142 |
Bayer | Omega 1 Cygni |
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Bayer name | Ome1 Cyg |
Flamsteed | 45 Cygni |
Flamsteed name | 45 Cyg |
Distance | 278.55 |
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Distance ly | 908.63 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
20301+4857 | BU 669 | AC | 2000 | 9 | 88 | 55.9 | 4.95 | 9.40 | B2.5IV | N D | 203003.53+485705.6 |
20301+4857 | BU 669 | AC | 2003 | 10 | 88 | 55.8 | 4.95 | 9.40 | B2.5IV | N D | 203003.53+485705.6 |
20301+4857 | BU 669 | AC | 2013 | 11 | 89 | 55.8 | 4.92 | 11.77 | B2.5IV | N | 203003.53+485705.6 |