| Coord 2000 | 00183-2108 |
Discov num | BU 393 |
Comp | Coord arcsec 2000 | 00 18 16.95 -21 08 18.5 |
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| Date first | 1875 |
Date last | 1991 |
Obs | 36 |
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| Pa first | 30 |
Pa last | 29 |
P.A. Now (θ) | 29° |
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| Sep first | 0.5 |
Sep last | 0.7 |
Sep. Now (ρ) | 0.7" |
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| Mag pri | 6.90 |
Mag sec | 8.42 |
delta mag (ΔM) | 1.52 |
Spectral class | B9.5IV (blue-white) |
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| Pri motion ra | -001 |
Sec motion ra | -001 |
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| Pri motion dec | -006 |
Sec motion dec | -006 |
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| Notes | |||||||||||
| Precise pa | 28.5 |
Precise sep | 0.67 |
Constellation | Hydra |
SAO | 166174 |
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| HIP | 1464 |
Tycho2 | 5845-00998-1 |
Gaia DR2 | 2361504140398326528 |
HD | 1431 |
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| BD | BD-21 31 |
Distance | 181.82 |
Distance ly | 593.1 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 00183-2108 | BU 393 | 1991 | 36 | 29 | 0.7 | 6.90 | 8.42 | B9.5IV | D | 001816.95-210818.5 |