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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