| Coord 2000 | 15489-0137 |
Discov num | BAL 560 |
Comp | Coord arcsec 2000 | 15 48 49.85 -01 37 27.8 |
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| Date first | 1892 |
Date last | 2016 |
Obs | 10 |
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| Pa first | 198 |
Pa last | 196 |
P.A. Now (θ) | 196° |
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| Sep first | 7.4 |
Sep last | 7.5 |
Sep. Now (ρ) | 7.5" |
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| Mag pri | 12.24 |
Mag sec | 12.58 |
delta mag (ΔM) | 0.34 |
Spectral class | |||||
| Pri motion ra | +004 |
Sec motion ra | -009 |
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| Pri motion dec | -010 |
Sec motion dec | -017 |
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| Notes | B
(Blue magnitudes) |
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| Precise pa | 195.8 |
Precise sep | 7.498 |
Constellation | Serpens |
Gaia DR2 | 4403356675530000128 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 15489-0137 | BAL 560 | 1999 | 2 | 196 | 7.5 | 12.24 | 12.58 | DB | 154849.85-013727.8 | ||
| 15489-0137 | BAL 560 | 2000 | 3 | 196 | 7.5 | 12.24 | 12.58 | DB | 154849.85-013727.8 | ||
| 15489-0137 | BAL 560 | 2010 | 4 | 196 | 6.8 | 12.24 | 12.58 | B | 154849.85-013727.8 | ||
| 15489-0137 | BAL 560 | 2015 | 5 | 196 | 7.5 | 12.24 | 12.58 | B | 154849.85-013727.8 |