HD 160342 is a star in the southern constellation of Ara. HD 160342 is its Henry Draper Catalogue designation. It has an apparent visual magnitude of 6.35[10] and, based upon parallax measurements, is approximately 960 light-years (293 parsecs) distant from Earth.
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Ara |
Right ascension | 17h 42m 03.62014s[2] |
Declination | −50° 30′ 38.5331″[2] |
Apparent magnitude (V) | 6.23 - 6.46[3] |
Characteristics | |
Spectral type | M3 III[4] |
U−B color index | +1.96[5] |
B−V color index | +1.73[5] |
R−I color index | 0.85 |
Variable type | LB[3] |
Astrometry | |
Radial velocity (Rv) | −27.1±0.4[6] km/s |
Proper motion (μ) | RA: +3.096[2] mas/yr Dec.: −15.788[2] mas/yr |
Parallax (π) | 3.4132 ± 0.0864 mas[2] |
Distance | 960 ± 20 ly (293 ± 7 pc) |
Absolute magnitude (MV) | −0.45[7] |
Details | |
Mass | 1.1[8] M☉ |
Radius | 95[9] R☉ |
Luminosity | 2,002[2] L☉ |
Surface gravity (log g) | 0.48[8] cgs |
Temperature | 3,479[8] K |
Metallicity [Fe/H] | −0.05[8] dex |
Other designations | |
Database references | |
SIMBAD | data |
With a stellar classification of M3 III.[4], this is an evolved red giant that is on the asymptotic giant branch.[10] It is a variable star that is classified as irregular,[3] although changes in brightness of 0.1127 magnitudes at the rate of 0.37943 cycles per day (once every 2.6 days) have been detected in Hipparcos photometry.[11] It has been given the variable star designation V626 Arae (V626 Ara).