AV Microscopii

AV Microscopii
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Microscopium
Right ascension 20h 41m 24.66513s .[1]
Declination 42° 08 01.6172 [1]
Apparent magnitude (V) 6.35
Characteristics
Spectral type M3II[2]
Astrometry
Parallax (π)2.85 ± 0.40[3] mas
Distanceapprox. 1,100 ly
(approx. 350 pc)
Other designations
AV Microscopii, HD 196829, HIP 102096, SAO 230323

AV Microscopii is a star in the constellation Microscopium. It is a red giant star of spectral type M3II, with an apparent magnitude ranging between 6.25 and 6.35.[2] Located around 1144 light-years distant, it shines with a luminosity 2547 times that of the Sun and has a surface temperature of 3536 K.[4]

References

  1. 1 2 SIMBAD, AV Microscopii (accessed 20 March 2015)
  2. 1 2 Watson, Christopher (28 September 2009). "AV Microscopii". AAVSO Website. American Association of Variable Star Observers. Retrieved 20 March 2015.
  3. 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.
  4. 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.


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