Coord 2000 | 20281+3847 |
Discov num | ALI 933 |
Comp | Coord arcsec 2000 | 20 28 04.77 +38 46 36.7 |
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Date first | 1928 |
Date last | 2015 |
Obs | 9 |
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Pa first | 255 |
Pa last | 254 |
P.A. Now (θ) | 254° |
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Sep first | 13.7 |
Sep last | 13.8 |
Sep. Now (ρ) | 13.8" |
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Mag pri | 12.31 |
Mag sec | 12.60 |
delta mag (ΔM) | 0.29 |
Spectral class | |||||
Pri motion ra | +006 |
Sec motion ra | +000 |
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Pri motion dec | +002 |
Sec motion dec | +000 |
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Notes |
Precise pa | 254.4 |
Precise sep | 13.774 |
Constellation | Cygnus |
Tycho2 | 3152-00559-1 |
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Gaia DR2 | 09235895040 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
20281+3847 | ALI 933 | 1998 | 2 | 255 | 13.7 | 12.31 | 12.60 | D | 202804.77+384636.7 | ||
20281+3847 | ALI 933 | 2002 | 3 | 255 | 13.7 | 12.31 | 12.60 | D | 202804.77+384636.7 | ||
20281+3847 | ALI 933 | 2010 | 4 | 255 | 13.9 | 12.31 | 12.60 | 202804.77+384636.7 | |||
20281+3847 | ALI 933 | 2015 | 5 | 254 | 13.8 | 12.31 | 12.60 | 202804.77+384636.7 |