Optical Spectroscopy of Nova M31N 2007-07c

Details Optical Spectroscopy of Nova M31N 2007-07c Optical Spectroscopy of Nova M31N 2007-07c

Jul 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007atel.1152....1r&link_type=abstract

The Astronomer's Telegram, #1152

Astronomy and Astrophysics

Astronomy

2

Optical, Novae

Scientific paper

On 2007 July 21.46 UT a spectrum of the nova candidate M31N 2007-07c (see ATEL#1146, ATEL#1149) was obtained with Double-Beam Spectrograph on the Palomar Hale-5m telescope. The 400/6000 grism (3.5 angstrom FWHM) and 158/7500 grating (8.6 angstrom FWHM) were used with 1200s exposure, each. The H-alpha line displays a P-Cygni profile. The measured expansion velocity is -1630+/-20 km/sec (blue shifted), based on measurements of the Ca H+K lines, the G Band, H-beta, Mg lines and the near-infrared Ca-triplet.

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