Article on other languages:
 |
del.icio.us |
 |
Digg |
 |
Furl |
 |
|
 |
Rojo |
| Add to OnlyWire |
|
Delta Arietis |
|
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Aries |
| Right ascension | 03h 11m 37.7655s |
| Declination | +19° 43′ 36.039″ |
| Apparent magnitude (V) | 4.35 |
| Characteristics | |
| Spectral type | K2III |
| U-B color index | 0.87 |
| B-V color index | 1.03 |
| R-I color index | 0.51 |
| Variable type | Variable star |
| Astrometry | |
| Radial velocity (Rv) | 24.7 km/s |
| Proper motion (μ) | RA: 154.61 mas/yr Dec.: -8.39 mas/yr |
| Parallax (π) | 19.44 ± 1.23 mas |
| Distance | 170 ± 10 ly (51 ± 3 pc) |
| Absolute magnitude (MV) | 5.376 |
| Details | |
| Mass | 0,8 M☉ |
| Radius | 0,9 R☉ |
| Luminosity | 0,4 L☉ |
| Temperature | 3,500–5,000 K |
| Rotation | < 17 Km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
|
Delta Arietis (δ Ari / δ Arietis) is a star in the constellation Aries. It also has the traditional name Botein which is derived from the Arabic buţain, dual of بطن baţn meaning "belly".
Delta Arietis is an orange K-type giant with an apparent magnitude of +4.35. It is approximately 168 light years from Earth and its diameter is 13 times that of the Sun.
Reference
 |
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 by expanding it. |
 |
This giant star-related article is a stub. You can help Wikipedia by expanding it. |