IM Normae
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Norma |
| Right ascension | 15h 39m 26.465s[1] |
| Declination | −52° 19′ 17.99″ |
| Characteristics | |
| Spectral type | white dwarf + ? |
| Variable type | eclipsing recurrent nova (NR+E) |
| Other designations | |
AAVSO 1532-52, Nova Normae 1920[1] | |
| Database references | |
| SIMBAD | data |
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 "V* IM Nor". SIMBAD. Centre de données astronomiques de Strasbourg. 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.
