Spectroscopic classification of three supernovae from Asiago

Details Spectroscopic classification of three supernovae from Asiago Spectroscopic classification of three supernovae from Asiago

Apr 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012atel.4019....1t&link_type=abstract

The Astronomer's Telegram, #4019

Astronomy and Astrophysics

Astronomy

Optical, Supernovae, Transient

Scientific paper

We report the spectroscopic confirmation of three transients on observations taken with the 1.82-m Copernico Telescope (+ AFOSC; range 340-790 nm, resolution about 2.2 nm). A spectrogram of CRTS Transient CSS120330:101639-064636 obtained on Mar. 31.81 shows H-alpha and H-beta lines with a complex shape superimposed on a relatively blue continuum. The Balmer lines consist of a broad component (FWHM about 6000 km/s) in emission, superimposed by a second component having a narrow but resolved emission profile (expansion velocity about 1000 km/s and emission peaks measured at 683.8 and 506.0 nm).

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