RX Leporis
Star in the constellation Lepus
![]() Red giant RX Lep is 4 degrees south of Rigel | |
Observation data Epoch J2000 Equinox J2000 | |
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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 | |
Database references | |
SIMBAD | data |
RX Leporis (RX Lep) is a star in the constellation of Lepus. It is a red giant and is a semi-regular pulsating star.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/7/79/RXLepLightCurve.png/220px-RXLepLightCurve.png)
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.
See also
References
- ^ a b c d e f "RX Leporis". SIMBAD Astronomical Database. Retrieved 2012-08-31.
- ^ a b c d "GCVS Query=RX Lep". General Catalogue of Variable Stars @ Sternberg Astronomical Institute, Moscow, Russia. Retrieved 2012-08-31.
- ^ a b "RX Leporis". AAVSO: Variable Star Plotter (VSP). Archived from the original on August 6, 2011. Retrieved 2012-08-31.
- ^ a b c d Jim Kaler. "IOTA LEP (Iota Leporis) and RX Lep". University of Illinois. Retrieved 2012-08-31.
- ^ Percy, John R.; Wilson, Joseph B.; Henry, Gregory W. (August 2001). "Long-Term VRI Photometry of Small-Amplitude Red Variables. I. Light Curves and Periods". Publications of the Astronomical Society of the Pacific. 113 (786): 983–996. Bibcode:2001PASP..113..983P. doi:10.1086/322153. S2CID 14609175.
External links
- RX Leporis on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
- AAVSO: Quick Look View of AAVSO Observations (get recent magnitude estimates for RX Lep)
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Constellation of Lepus
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Flamsteed | |
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