Spectroscopic and photometric observations of the M31 nova candidate PTF12ahb

Details Spectroscopic and photometric observations of the M31 nova candidate PTF12ahb Spectroscopic and photometric observations of the M31 nova candidate PTF12ahb

Feb 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012atel.3912....1s&link_type=abstract

The Astronomer's Telegram, #3912

Astronomy and Astrophysics

Astronomy

Optical, Nova, Transient

Scientific paper

We report spectroscopic and photometric observations of the M31 nova candidate PTF12ahb (tentatively designated M31N 2012-02a) discovered by Cao et al. (ATel #3905) on 2012 Feb 01.117 UT at R = 19.1. At our request, a spectrum (410–900 nm) was obtained by J. Caldwell on 2012 Feb. 03.08 UT with the 9.2m Hobby-Eberly Telescope (+ Marcario Low-Resolution Spectrograph). The spectrum reveals narrow (marginally resolved) Balmer and Fe II emission lines (FWHM Hα ~ 600 km/s; EW Hα ~ -9.0 nm) superimposed on a slightly blue continuum.

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