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κ Arae

κ Arae
Observation data
Epoch J2000      Equinox J2000
Constellation Ara
Right ascension 17h 26m 00.0437s
Declination -50° 38′ 0.635″
Apparent magnitude (V) 5.204
Characteristics
Spectral type G8III
B-V color index 1.06
Astrometry
Radial velocity (Rv) 17.3 km/s
Proper motion (μ) RA: 15.8 mas/yr
Dec.: 9.18 mas/yr
Parallax (π) 8.19 ± 0.88 mas
Distance approx. 400 ly
(approx. 120 pc)
Absolute magnitude (MV) 6.243
Details
Mass 1,1 M
Radius 1,1 R
Luminosity 1,2 L
Temperature 5,000–6,000 K
Orbit
Companion CCDM 17260-5038 B
Semimajor axis (a) 25"
Inclination (i) 180°
Orbit
Companion CCDM 17260-5038 C
Semimajor axis (a) 30"
Inclination (i) 95°
Other designations
HR 6468, HD 157457,
CD-50°11269, HIP 85312,
SAO 244734, GC 23552,
CCDM 17260-5038.
Database references
SIMBAD data
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)
Database references
SIMBAD data

Kappa Arae (κ Ara / κ Arae) is a triple star system in the constellation Ara. It is approximately 398 light years from Earth.

The primary component, κ Arae A, is a yellow G-type giant with an apparent magnitude of +5.19. It has two 14th magnitude companions, κ Arae B and C which are respectively 25 and 30 arcseconds from the primary.

Ara Constellation

References

Components

NAME Right ascension Declination Apparent magnitude (V) Spectral type Database references
CCDM 17260-5038 B (CD-50 11269B) 17h 25m 59.9s -50° 38' 24 14.0 Simbad
CCDM 17260-5038 C (CD-50 11269C) 17h 26m 02.9s -50° 38' 01 13.5 Simbad

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