10 Arietis
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) |
|
|---|---|
| Constellation | Aries |
| Right ascension | 02h 03m 39.34547s[1] |
| Declination | +25° 56′ 07.7129″[1] |
| Apparent magnitude (V) | 5.63[2] |
| Characteristics | |
| Spectral type | F8 IV + F9 V[2] |
| Astrometry | |
| Radial velocity (Rv) | +12.9[3] km/s |
| Proper motion (μ) | RA: +128.01[1] mas/yr Dec.: +11.19[1] mas/yr |
| Parallax (π) | 20.53 ± 0.67[1] mas |
| Distance | 159 ± 5 ly (49 ± 2 pc) |
| Absolute magnitude (MV) | 2.21[3] |
| Orbit[4] | |
| Period (P) | 325 yr |
| Semi-major axis (a) | 1.39" |
| Eccentricity (e) | 0.59 |
| Inclination (i) | 51° |
| Longitude of the node (Ω) | 20.5° |
| Periastron epoch (T) | B1931.6 |
| Argument of periastron (ω) (secondary) |
165° |
| Details | |
| Metallicity [Fe/H] | –0.10[3] dex |
| Age | 1.9[3] Gyr |
| Other designations | |
10 Arietis (abbreviated 10 Ari) is a binary star in the northern constellation of Aries. 10 Arietis is the Flamsteed designation. It has an overall apparent visual magnitude of 5.63 and consists of two F-type stars in orbit about each other. The orbital period is approximately 325 years.[4] based upon an annual parallax shift of 20.53 mas,[1] it is located at a distance of approximately 159 light-years (49 parsecs) from Earth.
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 2.0 2.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 3.0 3.1 3.2 3.3 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 4.0 4.1 Entry, WDS identifier 02037+2556, Sixth Catalog of Orbits of Visual Binary Stars, William I. Hartkopf & Brian D. Mason, U.S. Naval Observatory. Accessed on line August 21, 2008.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
