HD 111915

This article is about e Centauri. Not to be confused with E Centauri or ε (epsilon) Centauri.
e Centauri
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Centaurus
Right ascension 12h 53m 06.91s[1]
Declination −48° 56′ 35.9″[1]
Apparent magnitude (V) +4.33[2]
Characteristics
Spectral type K3-4III[3]
U−B color index +1.58
B−V color index +1.344±0.068[2]
Astrometry
Radial velocity (Rv)−2.4±1.6[2] km/s
Proper motion (μ) RA: -79.19 ± 0.15[1] mas/yr
Dec.: -24.26 ± 0.13[1] mas/yr
Parallax (π)11.08 ± 0.19 mas[1]
Distance294 ± 5 ly
(90 ± 2 pc)
Absolute magnitude (MV)−0.45[2]
Details
Radius30.62+1.48
−5.77[4] R☉
Luminosity277±13[4] L☉
Temperature4,258+468
−100[4] K
Other designations
e Cen, CD−48°7753, FK5 3024, GC 17473, HD 111915, HIP 62867, HR 4888, SAO 223731[5]
Database references
SIMBADdata

HD 111915 is a single[6] star in the southern constellation of Centaurus. It has the Bayer designation e Centauri, while HD 111915 is the star's identifier in the Henry Draper Catalogue. This is an aging giant star with a stellar classification of K3-4III.[3] It is faintly visible to the naked eye with an apparent visual magnitude of +4.33.[2] The distance to this star is approximately 294 light years based on parallax.[1]

  1. ^ a b c d e f Cite error: The named reference vanLeeuwen2007 was invoked but never defined (see the help page).
  2. ^ a b c d e Cite error: The named reference Anderson_Francis_2012 was invoked but never defined (see the help page).
  3. ^ a b Cite error: The named reference Houk1978 was invoked but never defined (see the help page).
  4. ^ a b c Cite error: The named reference GaiaDR2 was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference SIMBAD was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference Eggleton_Tokovinin_2008 was invoked but never defined (see the help page).