24 Ursae Majoris
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Ursa Major |
| Right ascension | 09h 34m 28.85999s [1] |
| Declination | +69° 49′ 49.2312″ [1] |
| Characteristics | |
| Spectral type | G4III-IV [1] |
| Astrometry | |
| Absolute magnitude (MV) | 2.16±0.013[2] |
| Details | |
| Mass | 1.9[3] M☉ |
| Radius | 4.6[3] R☉ |
| Luminosity | 14.9[3] L☉ |
| Surface gravity (log g) | 3.44[2] cgs |
| Temperature | 5,335[2] K |
| Metallicity [Fe/H] | −0.19[2] dex |
| Rotation | 10 d[3] |
| Other designations | |
| Database references | |
| SIMBAD | data |
24 Ursae Majoris (24 UMa) is a star in the constellation Ursa Major. Its apparent magnitude is 4.57.
References
- 1 2 3 SIMBAD, DK Ursae Majoris (accessed 23 February 2013)
- 1 2 3 4 Park, Sunkyung; et al. (2013), "Wilson-Bappu Effect: Extended to Surface Gravity", The Astronomical Journal, 146 (4): 73, arXiv:1307.0592, Bibcode:2013AJ....146...73P, doi:10.1088/0004-6256/146/4/73.
- 1 2 3 4 Gondoin, P. (December 2005), "The relation between X-ray activity and rotation in intermediate-mass G giants", Astronomy and Astrophysics, 444 (2): 531–538, Bibcode:2005A&A...444..531G, doi:10.1051/0004-6361:20053567.
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