Kappa Normae

Kappa Normae, Latinized from κ Normae, is a solitary,[7] yellow hued star in the southern constellation of Norma. Its apparent magnitude is 4.94,[2] which is bright enough to be faintly visible to the naked eye. Based upon an annual parallax shift of 7.44 mas as seen from Earth,[8] the system is located about 440 light years from the Sun. It is drifting closer with a radial velocity of 13.5 km/s.[4]

Kappa Normae
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
ConstellationNorma
Right ascension16h 13m 28.72874s[1]
Declination−54° 37′ 49.6860″[1]
Apparent magnitude (V)4.94[2]
Characteristics
Spectral typeG8 III[3]
U−B color index+0.81[2]
B−V color index+1.04[2]
Astrometry
Radial velocity (Rv)−13.5±0.8[4] km/s
Proper motion (μ) RA: −3.845[1] mas/yr
Dec.: −22.366[1] mas/yr
Parallax (π)7.4386 ± 0.2471 mas[1]
Distance440 ± 10 ly
(134 ± 4 pc)
Absolute magnitude (MV)−0.64[5]
Details
Radius21.8+0.6
−1.5
[1] R
Luminosity225.7±8.5[1] L
Temperature4,787+173
−69
[1] K
Other designations
κ Nor, CD−54° 6604, FK5 600, HD 145397, HIP 79509, HR 6024, SAO 243454, WDS J16135-5438A[6]
Database references
SIMBADdata

This is an evolved giant star with a stellar classification of G8III[3] that has swollen and cooled off the main sequence. At present it has 22[1] times the radius of the Sun. It shines with a luminosity approximately 226 times that of the Sun and has an effective temperature of 4,787 K.[1]

References