77 Ceti

77 Ceti
Observation data
Epoch J2000      Equinox J2000
Constellation Cetus
Right ascension 02h 34m 42.62373s[1]
Declination −07° 51′ 34.0113″[1]
Apparent magnitude (V) 5.731[2]
Characteristics
Spectral type K2 III[3]
U−B color index +1.68[4]
B−V color index +1.393±0.008[5]
Astrometry
Radial velocity (Rv)24.9±2[6] km/s
Proper motion (μ) RA: +59.581[1] mas/yr
Dec.: −63.696[1] mas/yr
Parallax (π)6.6740 ± 0.1337 mas[1]
Distance489 ± 10 ly
(150 ± 3 pc)
Absolute magnitude (MV)+0.01[5]
Details
Radius25.02+1.39
−4.09[1] R☉
Luminosity189.1±4.5[1] L☉
Temperature4,279+400
−114[1] K
Other designations
BD−08°484, HD 16074, HIP 12002, HR 752, SAO 129984[7]
Database references
SIMBADdata

77 Ceti is a single,[8] orange-hued star located 489[1] light years away in the equatorial constellation of Cetus. It is faintly visible to the naked eye, having an apparent visual magnitude of 5.7.[2] This is an evolved giant star with a stellar classification of K2 III.[3] It is radiating 187 times the Sun's luminosity from its photosphere at an effective temperature of 4,206 K.[9]

  1. ^ a b c d e f g h i 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. ^ Cite error: The named reference EgUBV was invoked but never defined (see the help page).
  5. ^ a b Cite error: The named reference Anderson2012 was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference GCRV was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference SIMBAD was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference Eggleton2008 was invoked but never defined (see the help page).
  9. ^ Cite error: The named reference Chandler2016 was invoked but never defined (see the help page).