69 Ceti

69 Ceti
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]
Distance860 ± 50 ly
(260 ± 20 pc)
Absolute magnitude (MV)–2.73[5]
Details
Radius100+10
−18[1] R☉
Luminosity1,813±126[1] L☉
Temperature3,765+392
−177[1] K
Other designations
69 Cet, BD−00°355, HD 14652, HIP 11021, HR 689, SAO 110495[6]
Database references
SIMBADdata

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]

  1. ^ a b c d e f g h i j k Cite error: The named reference GaiaDR2 was invoked but never defined (see the help page).
  2. ^ a b Cite error: The named reference TYC2 was invoked but never defined (see the help page).
  3. ^ a b Cite error: The named reference HD was invoked but never defined (see the help page).
  4. ^ a b Cite error: The named reference UBVRI was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference Ryon2009 was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference SIMBAD was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference Eggleton2008 was invoked but never defined (see the help page).