Coord 2000 | 20108+3654 |
Discov num | SEI 956 |
Comp | Coord arcsec 2000 | 20 10 47.42 +36 53 49.8 |
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Date first | 1896 |
Date last | 2015 |
Obs | 10 |
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Pa first | 255 |
Pa last | 257 |
P.A. Now (θ) | 257° |
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Sep first | 12.1 |
Sep last | 12.0 |
Sep. Now (ρ) | 12" |
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Mag pri | 12.37 |
Mag sec | 12.90 |
delta mag (ΔM) | 0.53 |
Spectral class | |||||
Pri motion ra | -005 |
Sec motion ra | -004 |
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Pri motion dec | -010 |
Sec motion dec | -005 |
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Notes |
Precise pa | 257.2 |
Precise sep | 12.04 |
Constellation | Cygnus |
Tycho2 | 2683-02171-1 |
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Gaia DR2 | 22513304192 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
20108+3654 | SEI 956 | 1983 | 2 | 75 | 12.2 | 10.50 | 11.00 | 201007.50+365400.0 | |||
20108+3654 | SEI 956 | 1998 | 3 | 257 | 12.2 | 12.37 | 12.90 | D | 201047.42+365349.8 | ||
20108+3654 | SEI 956 | 2002 | 4 | 257 | 12.1 | 12.37 | 12.90 | D | 201047.42+365349.8 | ||
20108+3654 | SEI 956 | 2010 | 5 | 255 | 12.3 | 12.37 | 12.90 | 201047.42+365349.8 | |||
20108+3654 | SEI 956 | 2015 | 6 | 257 | 12.1 | 12.37 | 12.90 | 201047.42+365349.8 |