HD 12055
 
| |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Phoenix |
| Right ascension | 01h 57m 10.08254s[1] |
| Declination | −47° 23′ 06.9845″[1] |
| Apparent magnitude (V) | 4.82[2] |
| Characteristics | |
| Spectral type | G8III[3] |
| U−B color index | +0.51[4] |
| B−V color index | +0.88[4] |
| Astrometry | |
| Radial velocity (Rv) | +11.90[5] km/s |
| Proper motion (μ) | RA: +104.29[1] mas/yr Dec.: +10.54[1] mas/yr |
| Parallax (π) | 13.14 ± 0.73[1] mas |
| Distance | 250 ± 10 ly (76 ± 4 pc) |
| Absolute magnitude (MV) | 0.42[2] |
| Details | |
| Luminosity | 73.05[2] L☉ |
| Temperature | 5,200[6] K |
| Rotational velocity (v sin i) | 5.7[7] km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 12055 is a class G8III[3] (yellow giant) star in the constellation Phoenix. Its apparent magnitude is 4.82[2] and it is approximately 248 light years away based on parallax.[1]
References
- 1 2 3 4 5 6 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. Vizier catalog entry - 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. Vizier catalog entry
- 1 2 Houk, Nancy (1978). "Michigan catalogue of two-dimensional spectral types for the HD stars". Ann Arbor : Dept. of Astronomy. Bibcode:1978MSS...C02....0H.
- 1 2 Mallama, A. (2014). "Sloan Magnitudes for the Brightest Stars". The Journal of the American Association of Variable Star Observers. 42: 443. Bibcode:2014JAVSO..42..443M.Vizier catalog entry
- ↑ 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.
- ↑ McDonald, I.; Zijlstra, A. A.; Boyer, M. L. (2012). "Fundamental parameters and infrared excesses of Hipparcos stars". Monthly Notices of the Royal Astronomical Society. 427: 343. Bibcode:2012MNRAS.427..343M. doi:10.1111/j.1365-2966.2012.21873.x. Vizier catalog entry
- ↑ De Medeiros, J. R.; Alves, S.; Udry, S.; Andersen, J.; Nordström, B.; Mayor, M. (2014). "A catalog of rotational and radial velocities for evolved stars". Astronomy & Astrophysics. 561: A126. arXiv:1312.3474. Bibcode:2014A&A...561A.126D. doi:10.1051/0004-6361/201220762. Vizier catalog entry
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