119 Tauri

119 Tauri

The sky position of 119 Tauri
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Taurus
Right ascension 05h 32m 12.75251s[1]
Declination +18° 35′ 39.2436″[1]
Apparent magnitude (V) 4.23 - 4.54[2]
Characteristics
Evolutionary stage Red supergiant star, or possible asymptotic giant branch star[3]
Spectral type M2Iab-Ib[2]
U−B color index +2.23[4]
B−V color index +2.08[4]
Variable type SRc[2]
Astrometry
Radial velocity (Rv)+23.75[5] km/s
Proper motion (μ) RA: 1.86[1] mas/yr
Dec.: −4.48[1] mas/yr
Parallax (π)1.82 ± 0.26 mas[1]
Distanceapprox. 1,800 ly
(approx. 550 pc)
Absolute magnitude (MV)−5.20[6]
Details
Mass14.37+2.00
−2.77[7] M☉
Radius587 - 593[7] R☉
Luminosity66,000[7] L☉
Surface gravity (log g)+0.05+0.11
−0.17[7] cgs
Temperature3,801 - 3,820[7] K
Metallicity0.0[3]
Age13.9+1.0
−2.5[7] Myr
Other designations
CE Tauri, HR 1845, HD 36389, BD+18°875, HIP 25945, SAO 94628, GC 6841, AAVSO 0526+18, Ruby Star[8]
Database references
SIMBADdata

119 Tauri (also known as CE Tauri) is a red supergiant star in the constellation Taurus. It is a semiregular variable and its angular diameter has been measured at about 10 mas. It is a similar star to Betelgeuse although redder and more distant.[6]

  1. ^ a b c d e Cite error: The named reference hipparcos was invoked but never defined (see the help page).
  2. ^ a b c Cite error: The named reference gcvs was invoked but never defined (see the help page).
  3. ^ a b Cite error: The named reference vlti was invoked but never defined (see the help page).
  4. ^ a b Cite error: The named reference ducati was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference FamaeyJorissen2005 was invoked but never defined (see the help page).
  6. ^ a b Cite error: The named reference wasatonic was invoked but never defined (see the help page).
  7. ^ a b c d e f Cite error: The named reference montarges was invoked but never defined (see the help page).
  8. ^ Ahad, A. (2009). "Letter to the Editor: 119 Tauri - the second reddest of all naked eye stars". Journal of the British Astronomical Association. 119 (1): 50. Bibcode:2009JBAA..119...50A.