Delta Crateris

Delta Crateris

Observation data Epoch J2000.0      Equinox J2000.0
Constellation	Crater
Right ascension	11^h 19^m 20.5^s
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
12 Crateris, BD−13°3345, HD 98430, HIP 55282, HR 4382, IRAS 11168-1430, SAO 156605, FK5 426.
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

1. Mallik, Sushma V. (December 1999), "Lithium abundance and mass", Astronomy and Astrophysics, 352: 495–507, Bibcode:1999A&A...352..495M
2. 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