Observation data Epoch J2000.0 Equinox J2000.0 |
|
---|---|
Constellation | Cetus |
Right ascension | 02h 28m 09.543s |
Declination | +08° 27′ 36.20″ |
Apparent magnitude (V) | +4.28 |
Characteristics | |
Spectral type | B9III |
Astrometry | |
Proper motion (μ) |
RA: 41.80 ± 1.42 mas/yr Dec.: –13.55 ± 0.91 mas/yr |
Parallax (π) | 16.89 ± 1.21mas |
Distance | 190 ± 10 ly (59 ± 4 pc) |
Absolute magnitude (MV) | +0.639 |
Details | |
Mass | 4 M☉ |
Radius | 2.6 R☉ |
Luminosity | 74 L☉ |
Temperature | 10630 ± 400 K |
Age | 225 Million years |
Other designations | |
Database references | |
SIMBAD | data |
Exoplanet Archive | data |
Xi2 Ceti (ξ2 Ceti) is a star located in the constellation Cetus.
In Chinese, 天囷 (Tiān Qūn), meaning Circular Celestial Granary, refers to an asterism consisting of α Ceti, κ1 Ceti, λ Ceti, μ Ceti, ξ1 Ceti, ξ2 Ceti, ν Ceti, γ Ceti, δ Ceti, 75 Ceti, 70 Ceti, 63 Ceti and 66 Ceti. Consequently, Xi2 Ceti itself is known as the Sixth Star of Circular Celestial Granary, Tiān Qūn Liù.