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Classification of CRTS Supernovae

ATel #4908; A. J. Drake (Caltech); E. Glikman (Yale); S. G. Djorgovski, A. A. Mahabal, M. J. Graham, R. Williams (Caltech); J. Prieto (Princeton); M. Catelan (PUC Chile); E. Christensen, S. M. Larson (LPL/UA)
on 22 Mar 2013; 21:25 UT
Credential Certification: Andrew J. Drake (ajd@cacr.caltech.edu)

Subjects: Optical, Supernovae, Transient

Further to ATel#4872, here we report the classification of CRTS supernova candidates using Palomar 5m+DBSP on 2013 March 4th, 15th and 19th UT. Classifications were done using SNIDs (Blondin & Tonry, 2007, ApJ, 666, 1024).

 
   CRTS Detection ID      Type    z      Phase   Spec. date    Reference 
------------------------------------------------------------------------ 
CSS121203:112646+273727    IIP   0.03    ~100      03-15       ATel#4733 
CSS130115:081249+461700    IIP   0.03    ~100      03-04 
CSS130217:101310-163154    Ia    0.06     +32      03-15       ATel#4872 
CSS130218:092354+385837    Ia    0.05      +5      03-15       ATel#4872 
MLS130314:112941+103233    Ia    0.11      -6      03-19 
CSS130315:115252-185920    Ia    0.07      -4      03-15 
CSS130315:131135-042408    Ia    0.08      +4      03-15 
CSS130317:082848+293031    Ia    0.08       0      03-19 
CSS130318:133316+605531    Ia    0.07     +11      03-19 
 
Notes: 
In addition, we observed SSS130304:114445-203141 on Mar 15th. This was found it to  
best match to luminous type Ia SN 2006gz (Maeda et al. 2009, ApJ, 690, 1745) in  
contrast to a normal Ia noted from the early spectrum of Inserra et al. (2013, ATel#4863). 
CSS130315:115252-185920 was also be confirmed to be a type-Ia by the CSP (private comm.). 
Links to all CRTS transients can be found at http://crts.caltech.edu/.