Coord 2000 | 20078+3617 |
Discov num | SEI 903 |
Comp | Coord arcsec 2000 | 20 07 51.30 +36 17 46.6 |
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Date first | 1895 |
Date last | 2015 |
Obs | 15 |
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Pa first | 187 |
Pa last | 187 |
P.A. Now (θ) | 187° |
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Sep first | 11.4 |
Sep last | 12.0 |
Sep. Now (ρ) | 12" |
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Mag pri | 9.42 |
Mag sec | 10.85 |
delta mag (ΔM) | 1.43 |
Spectral class | A1IV (white) |
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Pri motion ra | -002 |
Sec motion ra | -003 |
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Pri motion dec | -001 |
Sec motion dec | -007 |
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Notes |
Precise pa | 187 |
Precise sep | 11.983 |
Constellation | Cygnus |
Tycho2 | 2683-01514-1 |
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Gaia DR2 | 40227204864 |
HD | 227820 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
20078+3617 | SEI 903 | 1998 | 8 | 187 | 11.9 | 9.42 | 10.85 | A1IV | D | 200751.30+361746.6 | |
20078+3617 | SEI 903 | 2002 | 9 | 187 | 11.9 | 9.42 | 10.85 | A1IV | D | 200751.30+361746.6 | |
20078+3617 | SEI 903 | 2010 | 10 | 187 | 11.7 | 9.42 | 10.85 | A1IV | 200751.30+361746.6 | ||
20078+3617 | SEI 903 | 2015 | 11 | 187 | 12.0 | 9.42 | 10.85 | A1IV | 200751.30+361746.6 |