NW Puppis

NW Puppis
Observation data
Epoch J2000      Equinox J2000
Constellation Puppis
Right ascension 07h 18m 38.18538s[1]
Declination 36° 44 33.8512[1]
Characteristics
Spectral type B3 Vne
Astrometry
Radial velocity (Rv)+18.00 ± 10 km/s
Proper motion (μ) RA: 10.12 ± 0.19[1] mas/yr
Dec.: 5.33 ±0.22[1] mas/yr
Parallax (π)4.31 ± 0.23[1] mas
Distance760 ± 40 ly
(230 ± 10 pc)
Details
Luminosity1108[2] L
Temperature15000[2] K
Other designations
NW Puppis, v2 Puppis, HR 2790, HD 57219, HIP 35406, SAO 197837
Database references
SIMBADdata

NW Puppis (NW Pup), also known as v2 Puppis, is a star in the constellation Puppis. Located around 760 light-years distant, it shines with a luminosity approximately 1108 times that of the Sun and has a surface temperature of 15000 K.[2] Anamarija Stankov ruled this star out as a Beta Cephei variable.[3]

References

  1. 1 2 3 4 5 van Leeuwen, F. (November 2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752Freely accessible, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357
  2. 1 2 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.
  3. Stankov, Anamarija; Handler, Gerald (2005). "Catalog of Galactic β Cephei Stars". The Astrophysical Journal Supplement Series. 158 (2): 193–216. arXiv:astro-ph/0506495Freely accessible. Bibcode:2005ApJS..158..193S. doi:10.1086/429408. ISSN 0067-0049.


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