Kappa2 Ceti
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) |
|
|---|---|
| Constellation | Cetus |
| Right ascension | 03h 21m 06.80281s |
| Declination | +03° 40′ 32.2344″ |
| Apparent magnitude (V) | 5.66 |
| Characteristics | |
| Spectral type | G8 III |
| U−B color index | +0.73 |
| B−V color index | +0.97 |
| Astrometry | |
| Radial velocity (Rv) | +7.44±0.10 km/s |
| Proper motion (μ) |
RA: +55.04 mas/yr Dec.: −25.12 mas/yr |
| Parallax (π) | 10.11 ± 0.33mas |
| Distance | 320 ± 10 ly (99 ± 3 pc) |
| Absolute magnitude (MV) | 0.630 |
| Details | |
| Mass | 2.46±0.09 M☉ |
| Radius | 8.23±0.57 R☉ |
| Luminosity | 41.7 L☉ |
| Surface gravity (log g) | 2.98±0.04 cgs |
| Temperature | 5,007±22 K |
| Metallicity [Fe/H] | +0.11±0.03 dex |
| Rotational velocity (v sin i) | 0.98±0.45 km/s |
| Age | 610±60 Myr |
| Other designations | |
| Database references | |
| SIMBAD | data |
Kappa2 Ceti (κ2 Ceti), is a solitary, yellow-hued star located in the equatorial constellation of Cetus. It is faintly visible to the naked eye with an apparent visual magnitude of 5.66. Based upon an annual parallax shift of 10.11 mas as seen from Earth, it is located about 320 light years from the Sun.
This is an evolved G-type giant star with a stellar classification of G8 III. It is a red clump star on the horizontal branch, which indicates it is generating energy through helium fusion at its core. The star has 2.46 times the mass of the Sun and has expanded to 8.2 times the Sun's radius. It is radiating 42 times the solar luminosity from its photosphere at an effective temperature of 5,007 K.
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