Keck Spectroscopy of Transients from the CRTS Survey

Details Keck Spectroscopy of Transients from the CRTS Survey Keck Spectroscopy of Transients from the CRTS Survey

May 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010atel.2654....1d&link_type=abstract

The Astronomer's Telegram, #2654

Astronomy and Astrophysics

Astronomy

Optical, Agn, Blazars, Cataclysmic Variables, Transients

Scientific paper

We obtained long-slit spectra of several transients discovered by CRTS, using the LRIS instrument on the Keck-I telescope, on the nights of UT 2010 May 17 and 18, in good conditions. CSS090826:223958+231837 reached a peak mag ~ 18 in an outburst in late October 2009, but has been undetected down to ~ 21 mag in most of the available CRTS data, and has a SDSS counterpart at ~ 22 mag. Our spectrum shows a blue continuum with narrow Balmer lines in emission at a ~ zero redshift.

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