16 Arietis
Star in the constellation Aries
From Wikipedia, the free encyclopedia
16 Arietis is a star in the northern constellation of Aries. 16 Arietis is the Flamsteed designation, abbreviated 16 Ari. Its apparent magnitude is 6.01. Based upon the annual parallax shift of 6.39±0.05 mas,[2] this star is approximately 510 ly distant from Earth. The brightness of this star is diminished by 0.40 in magnitude from extinction caused by interstellar gas and dust.[5] This is an evolved giant star with a stellar classification of K3 III.[3]
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Aries[1] |
| Right ascension | 02h 11m 12.055s[2] |
| Declination | +25° 56â² 12.99â³[2] |
| Apparent magnitude (V) | 6.01[1] |
| Characteristics | |
| Evolutionary stage | red giant branch[2] |
| Spectral type | K3 III[3] |
| BâV color index | 1.365±0.006[1] |
| Variable type | Constant[1] |
| Astrometry | |
| Radial velocity (Rv) | â15.74±0.20[1] km/s |
| Proper motion (μ) | RA: â8.211 mas/yr[2] Dec.: â4.866 mas/yr[2] |
| Parallax (Ï) | 6.394±0.0528 mas[2] |
| Distance | 510 ± 4 ly (156 ± 1 pc) |
| Absolute magnitude (MV) | â0.82[1] |
| Details | |
| Radius | 27.5±0.6[2] Râ |
| Luminosity | 233±4[2] Lâ |
| Surface gravity (log g) | 1.88±0.03[2] cgs |
| Temperature | 4,275±9[2] K |
| Other designations | |
| BD+25 362, GC 2609, HD 13363, HIP 10203, HR 633, SAO 75188[4] | |
| Database references | |
| SIMBAD | data |
