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Discovery and Classification of 2 DES SNe by Keck

ATel #8084; M. L. Graham, W. Zheng, A. V. Filippenko, P. Nugent (UC Berkeley), F. J. Castander (ICE, IEEC/CSIC, Barcelona), 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), D. J. Brout, J. A. Fischer, L. Gladney, M. March, M. Sako, R. C. Wolf (University of Pennsylvania), P. J. Brown, K. Krisciunas, N. Suntzeff (Texas A&M University), R. Nichol, A. Papadopoulos (University of Portsmouth), C. D'Andrea, M. Sullivan, M. Smith (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. Thomas (Lawrence Berkeley National Laboratory), K. Barbary, J. S. Bloom, D. Goldstein, S. Perlmutter (Lawrence Berkeley National Laboratory + University of California, Berkeley), R. J. Foley (University of Illinois)
on 23 Sep 2015; 14:44 UT
Distributed as an Instant Email Notice Supernovae
Credential Certification: Mathew Smith (matsmith2@gmail.com)

Subjects: Optical, Supernovae

We report optical spectroscopy of 2 supernovae discovered by the Dark Energy Survey. The spectra (340-1025nm) were obtained using LRIS on Keck-I. Object classification was performed using superfit (Howell et al, 2005, ApJ, 634, 1190) , the details of which are reported in the table below.

  
Name       | RA (J2000)| Dec (J2000)|Discovery  |Discovery|Spectrum   |Redshift| Type | Phase |Notes 
           |           |            |Date (UT)  |Mag (r)  |Date (UT)  |        |      |       | 
DES15E2ni  |00:36:59.58|-43:18:20.4 |2015 Aug 17| 23.3    |2015 Sep 15| 0.226  | II   |+40-50 | a 
DES15C2eap |03:37:52.29|-29:10:53.8 |2015 Sep 11| 23.4    |2015 Sep 15| 0.4715 | Ia   |  +3   | a 
 
a). Redshift from galaxy emission features