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Nearby Supernova Factory II Spectroscopic Confirmations of Three Supernovae

ATel #4307; E. Pecontal (CRAL); C. Buton, U. Feindt, M. Kerschhaggl, M. Kowalski (U. Bonn); S. Benitez, W. Hillebrandt, M. Kromer, M. Sasdelli, A. Sternberg, S. Taubenberger (MPA); D. Baugh, J. Chen, N. Chotard, C. Wu (THCA); C. Tao (CPPM & THCA), D. Fouchez, A. Tilquin (CPPM); E. Hadjiyska, D. Rabinowitz, C. Baltay, N. Ellman, R. McKinnon, A. Effron (Yale); F. Cellier-Holzem, A. Canto, P. Antilogus, S. Bongard, R. Pain (LPNHE); Y. Copin, E. Gangler, R. Pereira, M. Rigault, G. Smadja (IPNL) G. Aldering, D. Birchall, M. Childress, H. Fakhouri, A. Kim, J. Nordin, P. Nugent, S. Perlmutter, K. Runge, C. Saunders, N. Suzuki, R. C. Thomas (LBNL);
on 13 Aug 2012; 22:00 UT
Distributed as an Instant Email Notice Supernovae
Credential Certification: Jakob Nordin (jnordin@lbl.gov)

Subjects: Optical, Supernovae

The Nearby Supernova Factory II (http://snfactory.lbl.gov) reports the following spectroscopic observations of supernovae based on spectra (range 320-1000 nm) obtained with the SuperNova Integral Field Spectrograph (Aldering et al 2002, SPIE, 4836, 61) on the University of Hawaii 2.2-meter telescope. Classifications were performed using Superfit (Howell et al 2002, BAAS, 34, 1256) or SNID (Blondin & Tonry, 2007, ApJ, 666, 1024). Heliocentric redshifts listed to two decimal places are measured from supernova features; all others are published values or measured by us from host galaxy features.

 
Name                    |  RA (J2000) | Dec (J2000) | Discovery | Discovery | Disc. | Spectrum | Redshift | Type  | Phase | Notes 
                        |             |             |    Date   |   Source  | Mag   |  Date    |          |       |       | 
LSQ12ehw                | 23:48:14.83 | -07:10:18.1 | 20120810  |   LSQ     | 19.3  | 20120812 | 0.08     |  Ia   |  -2   | 	 
LSQ12eid                | 00:17:37.99 | -05:22:58.1 | 20120810  |   LSQ     | 18.1  | 20120812 | 0.07     |  Ia   |   2   |  
PSN J02455988-0734270   | 02:45:59.88 | -07:34:27.0 | 20120811  |   Monard  | 14.5  | 20120812 | 0.005[1] |  II   |       | IIP,IIL or IIb; not more than one week after explosion 
[1] Koribalski et al 2004, AJ, 128, 16 (via NED)