Coord 2000 | 20157+1453 |
Discov num | CHE 250 |
Comp | Coord arcsec 2000 | 20 15 45.81 +14 53 09.2 |
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Date first | 1910 |
Date last | 2015 |
Obs | 11 |
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Pa first | 147 |
Pa last | 145 |
P.A. Now (θ) | 145° |
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Sep first | 20.0 |
Sep last | 20.7 |
Sep. Now (ρ) | 20.7" |
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Mag pri | 10.24 |
Mag sec | 13.51 |
delta mag (ΔM) | 3.27 |
Spectral class | F0 (yellow-white) |
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Pri motion ra | -005 |
Sec motion ra | +010 |
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Pri motion dec | -002 |
Sec motion dec | -014 |
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Notes |
Precise pa | 144.5 |
Precise sep | 20.739 |
Constellation | Delphinus |
Tycho2 | 1085-00639-1 |
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Gaia DR2 | 31482614528 |
HD | 355277 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
20157+1453 | CHE 250 | 1998 | 2 | 145 | 20.5 | 10.24 | 13.51 | D | 201545.81+145309.2 | ||
20157+1453 | CHE 250 | 2008 | 3 | 144 | 20.6 | 10.24 | 13.51 | D | 201545.81+145309.2 | ||
20157+1453 | CHE 250 | 2010 | 6 | 145 | 20.6 | 10.24 | 13.51 | F0 | 201545.81+145309.2 | ||
20157+1453 | CHE 250 | 2015 | 7 | 145 | 20.7 | 10.24 | 13.51 | F0 | 201545.81+145309.2 |