Theta Normae

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θ Normae
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Norma
Right ascension 16h 15m 15.31780s [1]
Declination −47° 22′ 19.2677″ [1]
Apparent magnitude (V) 5.12[1]
Characteristics
Spectral type B8V[1]
Astrometry
Radial velocity (Rv) −1.40 ± 4.2[1] km/s
Proper motion (μ) RA: -34.39[1] mas/yr
Dec.: -44.88[1] mas/yr
Parallax (π) 8.46 ± 0.26[2] mas
Distance 390 ± 10 ly
(118 ± 4 pc)
Details
Luminosity 184 L
Temperature 12341 K
Other designations
θ Normae, HD 145842, HIP 79653, HR 6045
Database references
SIMBAD data

θ Normae, Latinised as Theta Normae, is a star in the constellation Norma. Its apparent magnitude is 5.12.[1] Located approximately 390 light-years distant, it is a blue-white main sequence star of spectral type B8V.[1] It shines with a luminosity approximately 184 times that of the Sun and has a surface temperature of 12,341 K.[3]

References[edit]

  1. ^ a b c d e f g h i SIMBAD, Theta Normae (accessed 31 March 2015)
  2. ^ van Leeuwen, F. (2007). "Validation of the New Hipparcos Reduction". Astronomy and Astrophysics. 474 (2): 653–64. arXiv:0708.1752Freely accessible. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. 
  3. ^ 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:1208.2037Freely accessible. Bibcode:2012MNRAS.427..343M. doi:10.1111/j.1365-2966.2012.21873.x.