56 Arietis
From Wikipedia, the free encyclopedia
| Observation data Epoch J2000 Equinox J2000.0 (ICRS) |
|
|---|---|
| Constellation | Aries |
| Right ascension | 03h 12m 14.2463s |
| Declination | +27° 15′ 25.086″ |
| Apparent magnitude (V) | 5.772 |
| Characteristics | |
| Spectral type | B6 IV-V |
| U−B color index | –0.42 |
| B−V color index | –0.12 |
| Variable type | SX Ari |
| Astrometry | |
| Radial velocity (Rv) | 11 km/s |
| Proper motion (μ) | RA: +11.77 mas/yr Dec.: –18.34 mas/yr |
| Parallax (π) | 8.78 ± 0.88 mas |
| Distance | approx. 370 ly (approx. 110 pc) |
| Absolute magnitude (MV) | +0.25[1] |
| Details | |
| Mass | 3.16 ± 0.17[1] M☉ |
| Radius | 2.3 ± 0.3[1] R☉ |
| Luminosity | 110[1] L☉ |
| Temperature | 12,445[1] K |
| Rotation | 0.7278972 days[1] |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
|
56 Arietis or SX Arietis is a star in the constellation Aries. Its apparent magnitude is 5.77.
[edit] References
- ^ a b c d e f North, P. (June 1998), "Do SI stars undergo any rotational braking?", Astronomy and Astrophysics 334: 181-187, arXiv:astro-ph/9802286, Bibcode 1998A&A...334..181N
[edit] External links
|
||||||||||||||
 |
This star-related article is a stub. You can help Wikipedia by expanding it. |
 |
This variable star–related article is a stub. You can help Wikipedia by expanding it. |
