| Coord 2000 | 00049+4540 |
Discov num | BU 997 |
Comp | Coord arcsec 2000 | 00 04 57.53 +45 40 25.6 |
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| Date first | 1879 |
Date last | 2020 |
Obs | 98 |
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| Pa first | 340 |
Pa last | 338 |
P.A. Now (θ) | 338° |
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| Sep first | 4.3 |
Sep last | 3.8 |
Sep. Now (ρ) | 3.8" |
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| Mag pri | 7.64 |
Mag sec | 9.39 |
delta mag (ΔM) | 1.75 |
Spectral class | F8IV-V (yellow-white) |
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| Pri motion ra | +017 |
Sec motion ra | +017 |
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| Pri motion dec | -065 |
Sec motion dec | -065 |
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| Notes | |||||||||||
| Precise pa | 337.8 |
Precise sep | 3.84 |
Constellation | Hydra |
HIP | 404 |
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| Tycho2 | 3246-00901-1 |
Gaia DR2 | 386648181647057152 |
HD | 225291 |
BD | BD+44 4549 |
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| Distance | 71.12 |
Distance ly | 231.99 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 00049+4540 | BU 997 | 2006 | 89 | 337 | 3.9 | 7.64 | 9.39 | F8IV-V | D | 000457.53+454025.6 | |
| 00049+4540 | BU 997 | 2008 | 90 | 337 | 4.0 | 7.64 | 9.39 | F8IV-V | D | 000457.53+454025.6 | |
| 00049+4540 | BU 997 | 2012 | 93 | 337 | 3.9 | 7.64 | 9.39 | F8IV-V | D | 000457.53+454025.6 | |
| 00049+4540 | BU 997 | 2015 | 94 | 337 | 3.8 | 7.64 | 9.39 | F8IV-V | 000457.53+454025.6 | ||
| 00049+4540 | BU 997 | 2020 | 97 | 338 | 3.8 | 7.64 | 9.39 | F8IV-V | 000457.53+454025.6 |