Coord 2000 | 20157+0957 |
Discov num | J 1234 |
Comp | Coord arcsec 2000 | 20 15 42.78 +09 56 37.9 |
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Date first | 1915 |
Date last | 2015 |
Obs | 6 |
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Pa first | 39 |
Pa last | 43 |
P.A. Now (θ) | 43° |
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Sep first | 4.3 |
Sep last | 4.4 |
Sep. Now (ρ) | 4.4" |
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Mag pri | 11.90 |
Mag sec | 13.40 |
delta mag (ΔM) | 1.5 |
Spectral class | |||||
Pri motion ra | -004 |
Sec motion ra | |||||||||
Pri motion dec | -010 |
Sec motion dec | |||||||||
Notes |
Precise pa | 43.1 |
Precise sep | 4.365 |
Constellation | Delphinus |
Tycho2 | 1077-01491-1 |
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Gaia DR2 | 56428826240 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
20157+0957 | J 1234 | 2000 | 3 | 42 | 4.3 | 12.51 | 15.00 | D | 201542.78+095637.9 | ||
20157+0957 | J 1234 | 2001 | 4 | 43 | 4.4 | 12.51 | 15.00 | D | 201542.78+095637.9 | ||
20157+0957 | J 1234 | 2010 | 5 | 46 | 4.4 | 11.90 | 13.40 | 201542.78+095637.9 | |||
20157+0957 | J 1234 | 2015 | 6 | 43 | 4.4 | 11.90 | 13.40 | 201542.78+095637.9 |