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Spectroscopic Classification with MMT of Eight Type Ia Supernovae discovered by DES

ATel #6672; P. Challis, R. Kirshner, J. Parrent (Harvard-Smithsonian Center for Astrophysics) S. Desai, K. Paech (Ludwig Maximilians University, Munich); R. C. Smith (NOAO/CTIO); M. Schubnell (University of Michigan); R. Kessler, D. Scolnic (University of Chicago); R. A. Covarrubias (University of Illinois / NCSA); R. C. Wolf, J. A. Fischer, J.-L. Fischer, L. Gladney, M. March, M. Sako (University of Pennsylvania); P. J. Brown, K. Krisciunas, N. Suntzeff (Texas A&M University); C. D'Andrea, R. Nichol, A. Papadopoulos (University of Portsmouth); M. Smith, M. Sullivan (University of Southampton); R. Maartens (University of the Western Cape); R. Gupta, E. Kovacs, S. Kuhlmann, H. Spinka (Argonne National Laboratory); E. Ahn, D. A. Finley, J. Frieman, J. Marriner, W. Wester (Fermilab); G. Aldering, A. G. Kim, R. C. Thomas (Lawrence Berkeley National Laboratory); K. Barbary, J. S. Bloom, D. Goldstein, P. Nugent, S. Perlmutter (Lawrence Berkeley National Laboratory + University of California, Berkeley); R. J. Foley (University of Illinois); F. J. Castander (ICE, IEEC/CSIC, Barcelona);
on 6 Nov 2014; 15:16 UT
Credential Certification: Chris D'Andrea (chris.dandrea@port.ac.uk)

Subjects: Optical, Supernovae

We report results of optical spectroscopy of supernovae discovered by the Dark Energy Survey, using the Blue Channel Spectrograph (330-850 nm) on the MMT. Object classification was performed using SNID (Blondin & Tonry, 2007, ApJ, 666, 1024).

 
Name       |  RA (J2000) |  Dec (J2000) | Disc.       |Disc.  | Spectrum      |Redshift|Type    |Phase |Notes 
                                        | Date (UT)   |Mag (r)| Date (UT)     |        |        |      |  
DES14C1fkl | 03 40 24.63 | -26 43 19.5  | 2014 Sep 26 | 22.5  | 2014 Oct 22   | 0.385  |Ia      |+10   |             
DES14C2fkd | 03 33 45.34 | -29 40 36.2  | 2014 Sep 26 | 21.7  | 2014 Oct 22   | 0.160  |Ia      |+12   | 1           
DES14C2fkf | 03 35 38.75 | -28 19 09.6  | 2014 Sep 26 | 23.7  | 2014 Oct 22   | 0.386  |Ia      |+7    |             
DES14S2dbi | 02 41 04.30 | -00 57 18.9  | 2014 Sep 22 | 21.7  | 2014 Oct 22   | 0.236  |Ia      |+19   |        
DES14X1fnt | 02 18 11.14 | -05 00 36.5  | 2014 Sep 30 | 23.5  | 2014 Oct 15,22| 0.315  |Ia      |+4    | 2   
DES14X2bnz | 02 25 01.24 | -06 16 42.8  | 2014 Sep 14 | 20.4  | 2014 Oct 15   | 0.147  |Ia      |+20   | 1    
DES14X2eei | 02 22 53.77 | -06 15 24.5  | 2014 Sep 22 | 22.6  | 2014 Oct 22   | 0.197  |Ia      |+15   | 1                    
DES14X3amb | 02 23 17.03 | -05 10 55.6  | 2014 Sep 14 | 23.0  | 2014 Oct 22   | 0.259  |Ia      |+20   | 1       
 
1) Redshift from narrow galaxy emission or absorption features present in SN spectrum 
2) Phase is given relative to spectrum taken on October 22nd