Zeta Normae
Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
---|---|
Constellation | Norma |
Right ascension | 16h 13m 22.69701s [1] |
Declination | −55° 32′ 27.4140″ [1] |
Apparent magnitude (V) | 5.79[1] |
Characteristics | |
Spectral type | F2III[1] |
Astrometry | |
Radial velocity (Rv) | −45.60 ± 4.3[1] km/s |
Proper motion (μ) | RA: -99.75[1] mas/yr Dec.: -42.28[1] mas/yr |
Parallax (π) | 14.98 ± 0.32[2] mas |
Distance | 218 ± 5 ly (67 ± 1 pc) |
Details | |
Other designations | |
Zeta Normae (ζ Nor) is a star in the constellation Norma. Its apparent magnitude is 5.79.[1] Iit is a yellow-white giant of spectral type F2III that has swollen and cooled off the main sequence.[1] It shines with a luminosity approximately 16 times that of the Sun and has a surface temperature of 6691 K.[3]
References
- 1 2 3 4 5 6 7 8 9 SIMBAD, Zeta Normae (accessed 12 April 2015)
- ↑ 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.
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