IM Normae
Appearance
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
- ^ a b "IM Normae". SIMBAD Astronomical Database. Retrieved 26 April 2015.
- ^ 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.