HD 49878
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Camelopardalis |
Right ascension | 07h 00m 04.03561s[1] |
Declination | +76° 58′ 38.6618″[1] |
Apparent magnitude (V) | +4.551[2] |
Characteristics | |
Spectral type | K4 III[3] |
B−V color index | 1.399[2] |
Astrometry | |
Radial velocity (Rv) | ±0.19 −29.47[4] km/s |
Proper motion (μ) | RA: +72.48[1] mas/yr Dec.: −14.54[1] mas/yr |
Parallax (π) | 17.75 ± 0.23[1] mas |
Distance | 184 ± 2 ly (56.3 ± 0.7 pc) |
Details | |
Radius | 37[5] R☉ |
Surface gravity (log g) | 2.11[2] cgs |
Temperature | 4,140[2] K |
Metallicity [Fe/H] | 0.05[2] dex |
Rotational velocity (v sin i) | 1.4[6] km/s |
Other designations | |
Database references | |
SIMBAD | data |
HD 49878 (or M Camelopardalis) is a single[8] star in the northern circumpolar constellation of Camelopardalis.
HD 49878 is an orange K-type giant with an apparent magnitude of +4.55. It is approximately 187 light years from Earth.
References
- 1 2 3 4 5 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.
- 1 2 3 4 5 Soubiran, C.; et al. (June 2010), "The PASTEL catalogue of stellar parameters", Astronomy and Astrophysics, 515: A111, arXiv:1004.1069, Bibcode:2010A&A...515A.111S, doi:10.1051/0004-6361/201014247.
- ↑ Eggen, O. J. (1962), "Space-velocity vectors for 3483 stars with proper motion and radial velocity", Royal Observatory Bulletin, 51, Bibcode:1962RGOB...51...79E.
- ↑ de Bruijne, J. H. J.; Eilers, A.-C. (October 2012), "Radial velocities for the HIPPARCOS-Gaia Hundred-Thousand-Proper-Motion project", Astronomy & Astrophysics, 546: 14, arXiv:1208.3048, Bibcode:2012A&A...546A..61D, doi:10.1051/0004-6361/201219219, A61.
- ↑ Pasinetti Fracassini, L. E.; et al. (2001), "Catalogue of Apparent Diameters and Absolute Radii of Stars (CADARS)", Astronomy & Astrophysics (Third ed.), 367: 521–24, arXiv:astro-ph/0012289, Bibcode:2001A&A...367..521P, doi:10.1051/0004-6361:20000451.
- ↑ De Medeiros, J. R.; et al. (November 2000), "Rotation and lithium in single giant stars", Astronomy and Astrophysics, 363: 239–243, arXiv:astro-ph/0010273, Bibcode:2000A&A...363..239D.
- ↑ "HD 49878". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2018-06-06.
- ↑ 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.
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