| Coord 2000 | 20157+1457 |
Discov num | BKO 550 |
Comp | Coord arcsec 2000 | 20 15 42.90 +14 56 59.3 |
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| Date first | 1998 |
Date last | 2015 |
Obs | 4 |
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| Pa first | 297 |
Pa last | 301 |
P.A. Now (θ) | 301° |
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| Sep first | 3.9 |
Sep last | 3.8 |
Sep. Now (ρ) | 3.8" |
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| Mag pri | 13.50 |
Mag sec | 14.00 |
delta mag (ΔM) | 0.5 |
Spectral class | |||||
| Pri motion ra | +018 |
Sec motion ra | |||||||||
| Pri motion dec | -027 |
Sec motion dec | |||||||||
| Notes | N
(See Notes) |
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| Precise pa | 301 |
Precise sep | 3.754 |
Constellation | Delphinus |
Gaia DR2 | 1808248031251668608 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20157+1457 | BKO 550 | 2008 | 1 | 299 | 3.9 | 13.50 | 14.00 | N | 201542.90+145659.3 | ||
| 20157+1457 | BKO 550 | 2010 | 4 | 292 | 3.7 | 13.50 | 14.00 | N | 201542.90+145659.3 | ||
| 20157+1457 | BKO 550 | 2015 | 4 | 301 | 3.8 | 13.50 | 14.00 | N | 201542.90+145659.3 |