HD 160342
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Ara |
| Right ascension | 17h 42m 03.61953s[1] |
| Declination | –50° 30′ 38.5221″[1] |
| Apparent magnitude (V) | 6.35[2] |
| Characteristics | |
| Spectral type | M3 III[3] |
| U−B color index | +1.96[4] |
| B−V color index | +1.73[4] |
| R−I color index | 0.85 |
| Astrometry | |
| Radial velocity (Rv) | –27.1 ± 0.4[5] km/s |
| Proper motion (μ) | RA: +2.05[1] mas/yr Dec.: -13.96[1] mas/yr |
| Parallax (π) | 2.71 ± 0.67[1] mas |
| Distance | approx. 1,200 ly (approx. 370 pc) |
| Other designations | |
HD 160342 is the Henry Draper Catalogue designation for a star in the southern constellation of Ara. It has an apparent visual magnitude of 6.35[2] and, based upon parallax measurements, is approximately 1,200 light-years (370 parsecs) distant from Earth. This is an evolved red giant that is on the asymptotic giant branch,[2] with a stellar classification of M3 III.[3] It is a periodic variable star that changes in brightness by 0.1127 magnitudes at the rate of 0.37943 cycles per day,[6] or once every 2.6 days.
References
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