H Scorpii
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Scorpius |
| Right ascension | 16h 36m 22.47192s [1] |
| Declination | −35° 15′ 19.1803″ [1] |
| Apparent magnitude (V) | 4.18[1] |
| Characteristics | |
| Evolutionary stage | giant |
| Spectral type | K6III [1] |
| Astrometry | |
| Radial velocity (Rv) | -2.10 ± 0.7[1] km/s |
| Proper motion (μ) | RA: 15.61 ± 0.17[2] mas/yr Dec.: 11.33 ± 0.14[2] mas/yr |
| Parallax (π) | 9.52 ± 0.16 mas[2] |
| Distance | 343 ± 6 ly (105 ± 2 pc) |
| Other designations | |
H Scorpii (H Sco) is a star in the constellation Scorpius. Its apparent magnitude is 4.18. It was initially given the Bayer designation Beta Normae by Lacaille but later moved from Norma to Scorpius.
Located around 343 light-years distant, it shines with a luminosity approximately 576 times that of the Sun and has a surface temperature of 4000 K.[3]
References
- ^ a b c d e SIMBAD, HR 6166 (accessed 17 February 2013)
- ^ a b c van Leeuwen, F. (2007). "Validation of the New Hipparcos Reduction". Astronomy and Astrophysics. 474 (2): 653–64. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.
- ^ McDonald, I.; Zijlstra, A. A.; Boyer, M. L. (2012). "Fundamental Parameters and Infrared Excesses of Hipparcos Stars". Monthly Notices of the Royal Astronomical Society. 427 (1): 343–57. arXiv:1208.2037. Bibcode:2012MNRAS.427..343M. doi:10.1111/j.1365-2966.2012.21873.x.
 | This giant-star-related article is a stub. You can help Wikipedia by expanding it. |
 | This variable star–related article is a stub. You can help Wikipedia by expanding it. |