HD 85951
HD 85951, also designated HR 3923 and formally named Felis /ˈfiːlɪs/,[2] is a star in the constellation of Hydra. Its apparent magnitude is 4.95. Based on parallax measurements it is about 530 light-years (162 parsecs) from the Sun.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Hydra |
| Right ascension | 09h 54m 52.20987s[1] |
| Declination | −19° 00′ 33.6949″[1] |
| Apparent magnitude (V) | 4.94[1] |
| Characteristics | |
| Evolutionary stage | K5 III[1] |
| Astrometry | |
| Radial velocity (Rv) | 50.00 ± 4.2[1] km/s |
| Proper motion (μ) | RA: −47.445[1] mas/yr Dec.: −41.155[1] mas/yr |
| Parallax (π) | 6.2052 ± 0.2415[1] mas |
| Distance | 530 ± 20 ly (161 ± 6 pc) |
| Other designations | |
| Database references | |
| SIMBAD | data |
Nomenclature
HD 85951 is the star's entry in the Henry Draper Catalogue and HR 3923 that in the Bright Star Catalogue.
This was the brightest star in the now-obsolete constellation of Felis. In 2016, the IAU organized a Working Group on Star Names (WGSN)[3] to catalog and standardize proper names for stars. The WGSN approved the name Felis for this star on 1 June 2018 and it is now so included in the List of IAU-approved Star Names.[2]
Properties
This star is a K-type orange giant with a stellar classification of K5 III.[1]
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References
- "HD 85951". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 30 September 2012.
- "Naming Stars". IAU.org. Retrieved 18 June 2018.
- "IAU Working Group on Star Names (WGSN)". Retrieved 22 May 2016.
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