Misplaced Pages

HD 111915

Article snapshot taken from[REDACTED] with creative commons attribution-sharealike license. Give it a read and then ask your questions in the chat. We can research this topic together.
Star in the constellation Centaurus 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 12 53 06.91
Declination −48° 56′ 35.9″
Apparent magnitude (V) +4.33
Characteristics
Spectral type K3-4III
U−B color index +1.58
B−V color index +1.344±0.068
Astrometry
Radial velocity (Rv)−2.4±1.6 km/s
Proper motion (μ) RA: -79.19 ± 0.15 mas/yr
Dec.: -24.26 ± 0.13 mas/yr
Parallax (π)11.08 ± 0.19 mas
Distance294 ± 5 ly
(90 ± 2 pc)
Absolute magnitude (MV)−0.45
Details
Radius30.62+1.48
−5.77 R☉
Luminosity277±13 L☉
Temperature4,258+468
−100 K
Other designations
e Cen, CD−48°7753, FK5 3024, GC 17473, HD 111915, HIP 62867, HR 4888, SAO 223731
Database references
SIMBADdata

HD 111915 is a single 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. It is faintly visible to the naked eye with an apparent visual magnitude of +4.33. The distance to this star is approximately 294 light years based on parallax.

References

  1. ^ van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. S2CID 18759600. Vizier catalog entry
  2. ^ Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331. arXiv:1108.4971. Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015. S2CID 119257644.
  3. ^ Houk, N. (1978), Michigan catalogue of two-dimensional spectral types for the HD stars, vol. 2, Dept. of Astronomy, University of Michigan, Bibcode:1978mcts.book.....H.
  4. ^ Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
  5. "e Cen". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-01-28.
  6. Eggleton, P. P.; Tokovinin, A. A. (September 2008). "A catalogue of multiplicity among bright stellar systems". Monthly Notices of the Royal Astronomical Society. 389 (2): 869–879. arXiv:0806.2878. Bibcode:2008MNRAS.389..869E. doi:10.1111/j.1365-2966.2008.13596.x. S2CID 14878976.
Constellation of Centaurus
Stars
Bayer
Flamsteed
Variable
HR
HD
Other
Exoplanets
Star clusters
Nebulae
Galaxies
NGC
Other
Galaxy clusters
Astronomical events
Category
Stub icon

This giant-star-related article is a stub. You can help Misplaced Pages by expanding it.

Categories:
HD 111915 Add topic