33 Vulpeculae
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Vulpecula |
Right ascension | 20h 58m 16.35114s[1] |
Declination | +22° 19′ 33.2665″[1] |
Apparent magnitude (V) | 5.31[2] |
Characteristics | |
Spectral type | K3.5 III[2] |
B−V color index | ±0.005 1.419[3] |
Astrometry | |
Radial velocity (Rv) | ±0.24 −25.23[3] km/s |
Proper motion (μ) | RA: −2.56[1] mas/yr Dec.: −4.17[1] mas/yr |
Parallax (π) | 7.21 ± 0.29[1] mas |
Distance | 450 ± 20 ly (139 ± 6 pc) |
Absolute magnitude (MV) | −0.41[3] |
Details | |
Luminosity | 295.15[3] L☉ |
Surface gravity (log g) | 1.91[4] cgs |
Temperature | 4,070[4] K |
Metallicity [Fe/H] | −0.12[4] dex |
Other designations | |
Database references | |
SIMBAD | data |
33 Vulpeculae is a single,[6] fifth-magnitude[2] star in northern the constellation of Vulpecula. This is an evolved giant star with a stellar classification of K3.5 III.[2] It is located around 450 light years away.[1]
References
- 1 2 3 4 5 6 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 Keenan, Philip C.; McNeil, Raymond C. (1989), "The Perkins catalog of revised MK types for the cooler stars", Astrophysical Journal Supplement Series, 71: 245, Bibcode:1989ApJS...71..245K, doi:10.1086/191373.
- 1 2 3 4 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.
- 1 2 3 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.
- ↑ "33 Vul". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2018-04-21.
- ↑ 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.
External links
- 33 Vulpeculae on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
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