Gamma Comae Berenices
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) |
|
|---|---|
| Constellation | Coma Berenices |
| Right ascension | 12h 26m 56.2723s[1] |
| Declination | +28° 16′ 06.322″[1] |
| Apparent magnitude (V) | 4.350[1] |
| Characteristics | |
| Spectral type | K1 III[1] |
| U−B color index | +1.15[2] |
| B−V color index | +1.13[2] |
| R−I color index | +0.51[2] |
| Astrometry | |
| Radial velocity (Rv) | +3.38 ± 0.11[1] km/s |
| Proper motion (μ) | RA: −83.41[1] mas/yr Dec.: −80.99[1] mas/yr |
| Parallax (π) | 19.18 ± 0.83[1] mas |
| Distance | 170 ± 7 ly (52 ± 2 pc) |
| Absolute magnitude (MV) | 0.76[3] |
| Details | |
| Mass | 1.66[3] M☉ |
| Radius | 10[4] R☉ |
| Rotational velocity (v sin i) | ≤ 17[2] km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
Gamma Comae Berenices (Gamma Com, γ Comae Berenices, γ Com) is a K-type giant star in the constellation of Coma Berenices.[1] It has an apparent visual magnitude of approximately 4.350.[1] It appears as part of the cluster Melotte 111, although it is probably not actually in this cluster.[5]
References
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<references />, or <references group="..." />- ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 * gam Com -- Star in Cluster, database entry, SIMBAD. Accessed on line October 12, 2010.
- ↑ 2.0 2.1 2.2 2.3 HR 4737, database entry, The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version), D. Hoffleit and W. H. Warren, Jr., CDS ID V/50. Accessed on line October 12, 2010.
- ↑ 3.0 3.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ HD 108381, database entry, Catalog of Apparent Diameters and Absolute Radii of Stars (CADARS), 3rd edition, L. E. Pasinetti-Fracassini, L. Pastori, S. Covino, and A. Pozzi, CDS ID II/224. Accessed on line October 12, 2010.
- ↑ p. 124, Binocular astronomy, Stephen F. Tonkin, Springer, 2007, ISBN 1-84628-308-6.
