Delta Crateris
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Crater |
| Right ascension | 11h 19m 20.5s |
| Declination | −14° 46′ 43″ |
| Apparent magnitude (V) | 3.56[1] |
| Characteristics | |
| Astrometry | |
| Radial velocity (Rv) | -4.94 ± 0.21 km/s |
| Proper motion (μ) | RA: −124.67 ± 0.17 mas/yr Dec.: 207.59 ± 0.16 mas/yr |
| Parallax (π) | 17.56 ± 0.19 mas |
| Distance | 186 ± 2 ly (56.9 ± 0.6 pc) |
| Other designations | |
| Database references | |
| SIMBAD | data |
Delta Crateris (δ Crt, δ Crateris) is a star in the constellation Crater. Delta Crateris is an orange giant belonging to the spectral class K0, has apparent magnitude 3.56, and is 195 light years from Earth. This star has 22.44 ± 0.28 times the radius of the Sun and 1.0–1.4 times the Sun's mass. It is radiating 171.4 ± 9.0 as much luminosity as the Sun from its outer envelope at an effective temperature of 4,408 ± 57 K.[2]
References
- ↑ Mallik, Sushma V. (December 1999), "Lithium abundance and mass", Astronomy and Astrophysics, 352: 495–507, Bibcode:1999A&A...352..495M
- ↑ Berio, P.; et al. (November 2011), "Chromosphere of K giant stars. Geometrical extent and spatial structure detection", Astronomy & Astrophysics, 535: A59, arXiv:1109.5476
, Bibcode:2011A&A...535A..59B, doi:10.1051/0004-6361/201117479
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