| Coord 2000 | 00381-0030 |
Discov num | HDO 31 |
Comp | Coord arcsec 2000 | 00 38 04.57 -00 30 12.6 |
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| Date first | 1868 |
Date last | 2000 |
Obs | 8 |
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| Pa first | 315 |
Pa last | 312 |
P.A. Now (θ) | 312° |
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| Sep first | 25.0 |
Sep last | 25.8 |
Sep. Now (ρ) | 25.8" |
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| Mag pri | 6.67 |
Mag sec | 13.53 |
delta mag (ΔM) | 6.86 |
Spectral class | K2III (yellow-orange) |
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| Pri motion ra | -042 |
Sec motion ra | |||||||||
| Pri motion dec | -011 |
Sec motion dec | |||||||||
| Notes | |||||||||||
| Constellation | Cetus |
SAO | 128868 |
last precise pa | 311.7 |
last precise sep | 25.761 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 00381-0030 | HDO 31 | 1998 | 6 | 313 | 26.0 | 6.67 | 13.53 | K2III | D | 003804.57-003012.6 | |
| 00381-0030 | HDO 31 | 2000 | 8 | 312 | 25.8 | 6.67 | 13.53 | K2III | D | 003804.57-003012.6 |