| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Coma Berenices |
| Right ascension | 12h 26m 59.29615s[1] |
| Declination | +26° 49′ 32.5273″[1] |
| Apparent magnitude (V) | 4.96[2] |
| Characteristics | |
| Evolutionary stage | main sequence[3] |
| Spectral type | A4 V[3] |
| Astrometry | |
| Radial velocity (Rv) | +0.40±0.70[4] km/s |
| Proper motion (μ) | RA: −11.456[1]mas/yr Dec.: −9.220[1]mas/yr |
| Parallax (π) | 11.6745±0.2116 mas[1] |
| Distance | 279 ± 5 ly (86 ± 2 pc) |
| Details[3] | |
| Mass | 2.54±0.03 M☉ |
| Radius | 3.71[5] R☉ |
| Luminosity | 68.6+3.5 −3.3 L☉ |
| Surface gravity (log g) | 3.67[6] cgs |
| Temperature | 8,299+57 −58 K |
| Metallicity [Fe/H] | −0.3[7] dex |
| Rotational velocity (v sin i) | 80 km/s |
| Age | 310[6] Myr |
| Other designations | |
| 16 Com,BD+27°2134,FK5 2997,HD 108382,HIP 60746,HR 4738,SAO 82314[8] | |
| Database references | |
| SIMBAD | data |
16 Comae Berenices is a single[9]star in the northernconstellation ofComa Berenices.16 Comae Berenices is theFlamsteed designation. It is a member of theComa Star Cluster and is visible to the naked eye with anapparent visual magnitude of 4.96.[2] Based upon an annualparallax shift of11.7 mas,[1] it is located about 279 light years away.
This is achemically-peculiarA-type main-sequence star with astellar classification of A4 V.[3] It displays aninfrared excess, suggesting the presence of an orbitingdebris disk at a mean distance of18.2 AU with a temperature of180 K.[5] 16 Com has 2.54[3] times themass of the Sun and 3.71[5] times theSun's radius. The star is 310[6] million years old with aprojected rotational velocity of 80 km/s.[3] It is radiating 67 times theSun's luminosity from itsphotosphere at aneffective temperature of 8,299 K.[3]
