Iota Ceti
| Observation data ICRS )
| |
|---|---|
| Constellation | Cetus |
| Right ascension | 00h 19m 25.67416s[1] |
| Declination | −08° 49′ 26.1111″[1] |
| Apparent magnitude (V) | 3.562[2] |
| Characteristics | |
| Spectral type | K1.5 III[3] or K1 II + (K)[4] |
| U−B color index | +1.278[2] |
| B−V color index | +1.212[2] |
| Variable type | Suspected[5] |
| Absolute magnitude (MV) | −1.2[7] |
| Details Gyr | |
| Database references | |
| SIMBAD | data |
Iota Ceti (ι Cet, ι Ceti) is the
light years from the Sun
.
In
Chinese name for ι Ceti itself is 天倉一 (Tiān Cāng yī, English: the First Star of Square Celestial Granary.)[11]
This is an
bright giant. It is a suspected variable with a visual amplitude of around 0.05 magnitude.[5] The star has about 2.8[3] times the mass of the Sun, 34 times the Sun's radius, and radiates 398 times the solar luminosity from its outer atmosphere at an effective temperature of 4,446 K.[6]
Iota Ceti forms a wide astrometric pair with a
K-type star.[4]
References
- ^ S2CID 18759600.
- ^ .
- ^ S2CID 118505114, 88.
- ^ Bibcode:1999MSS...C05....0H.
- ^ doi:10.1086/116622. See p. 97.
- ^ S2CID 121883397.
- S2CID 17821279.
- Centre de Données astronomiques de Strasbourg, retrieved 2017-02-06.
- ISBN 0521449219.
- ISBN 978-986-7332-25-7.
- ^ (in Chinese) 香港太空館 - 研究資源 - 亮星中英對照表 Archived 2009-09-29 at the Wayback Machine, Hong Kong Space Museum. Accessed on line November 23, 2010.
- Bibcode:1989BICDS..36...27G.
- .
- doi:10.1086/323920.