Coord 2000 | 20181+3315 |
Discov num | SEI1072 |
Comp | Coord arcsec 2000 | 20 18 08.66 +33 15 05.4 |
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Date first | 1893 |
Date last | 2015 |
Obs | 16 |
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Pa first | 327 |
Pa last | 328 |
P.A. Now (θ) | 328° |
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Sep first | 18.1 |
Sep last | 17.7 |
Sep. Now (ρ) | 17.7" |
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Mag pri | 10.11 |
Mag sec | 11.53 |
delta mag (ΔM) | 1.42 |
Spectral class | A5 (white) |
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Pri motion ra | +006 |
Sec motion ra | +008 |
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Pri motion dec | +008 |
Sec motion dec | +008 |
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Notes |
Precise pa | 328.3 |
Precise sep | 17.673 |
Constellation | Cygnus |
SAO | 69778 |
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Tycho2 | 2676-00565-1 |
Gaia DR2 | 99738351872 |
HD | 228805 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
20181+3315 | SEI1072 | 1999 | 9 | 328 | 17.7 | 10.11 | 11.54 | A5 | D | 201808.66+331505.4 | |
20181+3315 | SEI1072 | 2002 | 10 | 328 | 17.7 | 10.11 | 11.54 | A5 | D | 201808.66+331505.4 | |
20181+3315 | SEI1072 | 2010 | 11 | 328 | 17.6 | 10.11 | 11.53 | A5 | 201808.66+331505.4 | ||
20181+3315 | SEI1072 | 2015 | 12 | 328 | 17.7 | 10.11 | 11.53 | A5 | 201808.66+331505.4 |