MMT Spectroscopy of SN 2009ay

Details MMT Spectroscopy of SN 2009ay MMT Spectroscopy of SN 2009ay

Mar 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009atel.1993....1s&link_type=abstract

The Astronomer's Telegram, #1993

Astronomy and Astrophysics

Astronomy

Optical, Novae, Supernovae

Scientific paper

We observed SN 2009ay (CBET 1728) with the MMT/Blue Channel Spectrograph on Mar 28.5 UT. The spectrum clearly shows broad P Cygni Hydrogen Balmer features superposed on a nearly featureless blue continuum, confirming the earlier report in CBET 1739. From the absorption minimum of the H beta line we infer an expansion velocity of 9800 km/s after accounting for the recession velocity of the host galaxy.

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