IM Normae

IM Normae
Observation data
Epoch J2000      Equinox J2000
Constellation Norma (constellation)
Right ascension 15h 39m 26.465s[1]
Declination −52° 19 17.99
Characteristics
Spectral type / white dwarf
Variable type eclipsing recurrent nova (NR+E)
Astrometry
Details
Other designations
AAVSO 1532-52, Nova Normae 1920[1]

IM Normae is a recurrent nova in the constellation Norma, one of only ten known in the Milky Way. It has erupted in 1920 and 2002, reaching magnitude 8.5 from a baseline of 18.3. It was poorly monitored after the first eruption, so it is possible that it erupted in between these dates.[2]

References

  1. 1 2 "IM Normae". SIMBAD Astronomical Database. Retrieved 26 April 2015.
  2. Schaefer, Bradley E. (2010). "Comprehensive Photometric Histories of All Known Galactic Recurrent Novae". The Astrophysical Journal Supplement 187 (2): 275–373. arXiv:0912.4426. Bibcode:2010ApJS..187..275S. doi:10.1088/0067-0049/187/2/275.


This article is issued from Wikipedia - version of the Monday, August 17, 2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.