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Spectroscopic Confirmation of Two Recent Novae in M31: P60-M31-080913 and P60-M31-080915

ATEL # 1737; A. W. Shafter (SDSU), M. M. Kasliwal (Caltech), M. F. Bode, M. J. Darnley (Liverpool JMU, UK), R. Ciardullo (PSU), K. A. Misselt (U. Arizona)
on 24 Sep 2008; 21:29 UT
Password Certification: Allen W. Shafter (aws@nova.sdsu.edu)

Subjects: Optical, Cataclysmic Variables, Nova, Transients

Spectra (410-950 nm) of two recent M31 nova candidates, P60-M31-080913 (ATel#1717) and P60-M31-080915 (ATel#1719), were obtained with the 9.2m Hobby-Eberly Telescope (+ Marcario Low-Resolution Spectrograph) approximately 9 and 5 days post discovery on 2008 September 22.4 UT and 20.2 UT, respectively. The spectrum of P60-M31-080913 is dominated by Balmer and Fe II emission features (FWHM H&alpha ~ 1500 km/s) superimposed on a flat continuum, and is typical of an Fe II nova approximately a week post maximum. P60-M31-080915, on the other hand, displays significantly narrower Balmer and Fe II emission lines (FWHM H&alpha ~ 900 km/s) arising from a blue continuum. This spectrum is also characteristic of an Fe II nova, but one taken closer to maximum light.


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