Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Cetus |
Right ascension | 02h 21m 56.62838s[1] |
Declination | +00° 23′ 44.4288″[1] |
Apparent magnitude (V) | 5.287[2] |
Characteristics | |
Spectral type | M1/2III[3] |
U−B color index | +1.85[4] |
B−V color index | +1.65[4] |
Astrometry | |
Radial velocity (Rv) | +26.99±0.32[1] km/s |
Proper motion (μ) | RA: −12.393[1] mas/yr Dec.: −8.059[1] mas/yr |
Parallax (π) | 3.7821 ± 0.2323 mas[1] |
Distance | 860 ± 50 ly (260 ± 20 pc) |
Absolute magnitude (MV) | –2.73[5] |
Details | |
Radius | 100+10 −18[1] R☉ |
Luminosity | 1,813±126[1] L☉ |
Temperature | 3,765+392 −177[1] K |
Other designations | |
Database references | |
SIMBAD | data |
69 Ceti is a single[7] star located around 860[1] light years away in the equatorial constellation of Cetus. It is visible to the naked eye with an apparent visual magnitude of 5.3.[2] This is an aging red giant star with a stellar classification of M1/2III.[3] It is radiating 1,813 times the Sun's luminosity from an enlarged photosphere, 100 times the Sun's radius, at an effective temperature of 3,765 K.[1]
GaiaDR2
was invoked but never defined (see the help page).TYC2
was invoked but never defined (see the help page).HD
was invoked but never defined (see the help page).UBVRI
was invoked but never defined (see the help page).Ryon2009
was invoked but never defined (see the help page).SIMBAD
was invoked but never defined (see the help page).Eggleton2008
was invoked but never defined (see the help page).