14 Persei
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Perseus |
Right ascension | 02h 44m 05.16032s[1] |
Declination | +44° 17′ 49.3422″[1] |
Apparent magnitude (V) | 5.43[2] |
Characteristics | |
Spectral type | G0Ib[2] |
B−V color index | +0.86[3] |
Astrometry | |
Radial velocity (Rv) | −0.70[4] km/s |
Proper motion (μ) | RA: 2.77[1] mas/yr Dec.: −6.38[1] mas/yr |
Parallax (π) | 3.32 ± 0.46[1] mas |
Distance | approx. 1,000 ly (approx. 300 pc) |
Absolute magnitude (MV) | −1.57[2] |
Details[2] | |
Mass | 4.03 M☉ |
Radius | 90[5] R☉ |
Luminosity | 372 L☉ |
Surface gravity (log g) | 1.42 cgs |
Temperature | 5,624 K |
Metallicity [Fe/H] | 0.00 dex |
Rotational velocity (v sin i) | 8.7[6] km/s |
Age | 162 Myr |
Other designations | |
Database references | |
SIMBAD | data |
14 Persei is a star in the constellation Perseus. Its apparent magnitude is 5.45 and it is around 301 parsecs (980 ly) distant.
The spectral classification is as a G0 yellow supergiant, but in other respects it appears to be a giant star.[2]
References
- 1 2 3 4 5 Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics 474 (2): 653. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.
- 1 2 3 4 5 Takeda, Yoichi; Sato, Bun'ei; Murata, Daisuke (2008). "Stellar Parameters and Elemental Abundances of Late-G Giants". Publications of the Astronomical Society of Japan 60 (4): 781. arXiv:0805.2434. Bibcode:2008PASJ...60..781T. doi:10.1093/pasj/60.4.781.
- ↑ Luck, R. Earle (2014). "Parameters and Abundances in Luminous Stars". The Astronomical Journal 147 (6): 137. Bibcode:2014AJ....147..137L. doi:10.1088/0004-6256/147/6/137.
- ↑ Gontcharov, G. A. (2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters 32 (11): 759. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065.
- ↑ Pasinetti Fracassini, L. E.; Pastori, L.; Covino, S.; Pozzi, A. (2001). "Catalogue of Apparent Diameters and Absolute Radii of Stars (CADARS) - Third edition - Comments and statistics". Astronomy and Astrophysics 367 (2): 521. arXiv:astro-ph/0012289. Bibcode:2001A&A...367..521P. doi:10.1051/0004-6361:20000451.
- ↑ Takeda, Yoichi; Tajitsu, Akito (2014). "Spectroscopic study on the beryllium abundances of red giant stars". Publications of the Astronomical Society of Japan 66 (5): 91. arXiv:1406.7066. Bibcode:2014PASJ...66...91T. doi:10.1093/pasj/psu066.
|
This article is issued from Wikipedia - version of the Thursday, April 14, 2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.