1 Ceti
| Observation data J2000
| |
|---|---|
| Constellation | Cetus |
| Right ascension | 23h 58m 21.22532s[1] |
| Declination | –15° 50′ 50.9421″[1] |
| Apparent magnitude (V) | +6.276[2] |
| Characteristics | |
| Spectral type | K1III CNII[3] |
| U−B color index | +1.03[4] |
| B−V color index | +1.08[4] |
| Absolute magnitude (MV) | –0.10[6] |
| Details | |
| Radius | 28[7] R☉ |
| Luminosity | 143.53[6] L☉ |
| Database references | |
| SIMBAD | data |
1 Ceti is a star in the constellation of Cetus. With an apparent magnitude of about 6.2,[2] the star is barely visible to the naked eye (see Bortle scale). Parallax estimates put it at a distance of about 535 light-years (164 parsecs) away from the Earth. It is moving further from the Sun with a heliocentric radial velocity of 4 km/s.[5]
This star has a
Sun's luminosity from its enlarged photosphere
.
References
- ^ .
- ^ Bibcode:2000A&A...355L..27H.
- ^ Bibcode:1999MSS...C05....0H.
- ^ Bibcode:1966CoLPL...4...99J.
- ^ Bibcode:1953GCRV..C......0W.
- ^ S2CID 119257644.
- S2CID 425754.
- ^ "1 Cet". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved December 21, 2018.
- ^ Darling, David. "Red giant". The Internet Encyclopedia of Science. Retrieved 21 March 2017.
- doi:10.1086/132036.
- doi:10.1086/150921.
