RX Leporis
Star in the constellation Lepus
From Wikipedia, the free encyclopedia
RX Leporis (RX Lep) is a star in the constellation of Lepus. It is a red giant and is a semi-regular pulsating star.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Lepus |
| Right ascension | 05h 11m 22.87s[1] |
| Declination | −11° 50′ 56.72″ |
| Apparent magnitude (V) | 5–7.4[2][3] |
| Characteristics | |
| Spectral type | M6.2III[1][2][3] |
| Variable type | Semi-regular pulsating (SRB)[1][2] |
| Astrometry | |
| Radial velocity (Rv) | 46.1[1] km/s |
| Parallax (π) | 6.71±0.44 mas[1] |
| Distance | 490 ± 30 ly (149 ± 10 pc) |
| Details | |
| Mass | 1–4[4] M☉ |
| Radius | 100–200[4] R☉ |
| Luminosity | 1500–4500[4] L☉ |
| Temperature | 3300[4] K |
| Other designations | |
| HD 33664, HR 1693, HIP 24169, BD–12° 1092, SAO 150206[1] | |
| Database references | |
| SIMBAD | data |
It has an apparent magnitude that varies from about 5 to 7.4.[2] At its brightest it is dimly visible to the naked eye, and at its dimmest can be located with binoculars. In the sky it is about 4 degrees south of Rigel and is located next to Iota Leporis.
