HD 111915
Nowadays, HD 111915 is a topic that has gained great relevance in society. Over time, it has become a point of discussion and debate between experts and ordinary citizens. Its impact has been felt in different areas, from politics to popular culture. HD 111915 has aroused the interest of many people due to its influence on our lives and its ability to generate significant changes. In this article, we will explore different aspects related to HD 111915, examining its implications, its evolution over time and its importance today.
| 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] |
| Distance | 294 ± 5 ly (90 ± 2 pc) |
| Absolute magnitude (MV) | −0.45[2] |
| Details | |
| Radius | 30.62+1.48 −5.77[4] R☉ |
| Luminosity | 277±13[4] L☉ |
| Temperature | 4,258+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 | |
| SIMBAD | data |
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]
References
- ^ a b c d e f 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
- ^ a b c d e 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.
- ^ a b 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.
- ^ a b c 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.
- ^ "e Cen". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-01-28.
- ^ 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.
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