Kappa2 Sculptoris

For other star systems with this Bayer designation, see κ Sculptoris.

Kappa² Sculptoris, Latinized from κ² Sculptoris, is a solitary,^[11] orange-hued star in the southern constellation of Sculptor. It is faintly visible to the naked eye, with a combined apparent visual magnitude of +5.42.^[3] Based upon an annual parallax shift of 5.7 mas as measured from Earth,^[2] it is located approximately 571 light years from the Sun.

Kappa² Sculptoris

Observation data Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation	Sculptor[1]
Right ascension	00h 11m 34.42072s[2]
Declination	−27° 47′ 58.9908″[2]
Apparent magnitude (V)	+5.42[3]
Characteristics
Evolutionary stage	red giant branch[2]
Spectral type	K2 III[4]
B−V color index	+1.35[3]
Astrometry
Radial velocity (Rv)	−5.6±0.8[5] km/s
Proper motion (μ)	RA: +5.058[2] mas/yr Dec.: +12.900[2] mas/yr
Parallax (π)	5.7132±0.0814 mas[2]
Distance	571 ± 8 ly (175 ± 2 pc)
Absolute magnitude (MV)	−1.46[1]
Details
Mass	4.2[2] M☉
Radius	31[6] R☉
Luminosity	325[6] L☉
Surface gravity (log g)	1.34[7] cgs
Temperature	4,393[6] K
Metallicity [Fe/H]	−0.40[7] dex
Rotational velocity (v sin i)	2.2[8] km/s
Age	1.63[9] Gyr
Other designations
κ2 Scl, CD−28°26, FK5 5, HD 720, HIP 930, HR 34, SAO 166103, WDS J00116-2748A[10]
Database references
SIMBAD	data

This is an evolved K-type giant star with a stellar classification of K2 III.^[4] It is radiating 325 times the solar luminosity from its photosphere at an effective temperature of 4,393.^[6] There is a faint optical companion with visual magnitude 21.0 located at an angular separation of 44.2 arc seconds along a position angle of 289°, as of 2010.^[12]