Spectroscopy of M31N 2007-11g: Another Luminous Mira-like Variable in M31 Masquerading as a Nova

Details Spectroscopy of M31N 2007-11g: Another Luminous Mira-like Variable in M31 Masquerading as a Nova Spectroscopy of M31N 2007-11g: Another Luminous Mira-like Variable in M31 Masquerading as a Nova

Nov 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008atel.1851....1s&link_type=abstract

The Astronomer's Telegram, #1851

Astronomy and Astrophysics

Astronomy

4

Optical, Novae, Transients, Variables

Scientific paper

On 2008 November 17.23 UT observations made with the Livermore Optical Transient Imaging System (Super-LOTIS, located at Steward Observatory, Kitt Peak, Arizona, USA) revealed that the nova candidate M31N 2007-11g (Ovcharov et al. 2007; Atel #1312) had re-brightened to R~18.8, similar to its brightness at discovery a year earlier in November 2007. Since this behavior would be unusual for a nova (but typical of a Long-Period Variable), we decided to obtain a spectrum of M31N 2007-11g to determine its nature.

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