2012CBET.2968....2S

J. M. Silverman and A. V. Filippenko, University of California, Berkeley, report that inspection of a CCD spectrum (range 340-1000 nm), obtained on 2012 Jan. 3 UT with the Shane 3-m reflector (+ Kast spectrograph) at Lick Observatory, shows that PSN J07063992+2353370 = SN 2011jr is a highly reddened type-Ia supernova. After removal of the host-galaxy recession velocity of 6830 km/s (measured from narrow host-galaxy absorption lines), they find the absorption minimum of the Si II 635.5-nm line to be blueshifted by about 11600 km/s. Cross-correlation with a library of supernova spectra using the "SuperNova IDentification" code (SNID; Blondin and Tonry 2007, Ap.J. 666, 1024) indicates that the object is a normal type-Ia supernova near maximum brightness. Na I D absorption at the redshift of the host galaxy is detected with an equivalent width of approximately 0.2 nm.