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Classification of 17 DES Supernova with OzDES

ATel #9855; J. K. Hoormann, J. Asorey (University of Queensland), D. Carollo, A. Moller, R. Sharp, N. E. Sommer, B. E. Tucker, B. Zhang (Mount Stromlo Observatory, the Australian National University), C. Lidman (Australian Astronomical Observatory), D. J. Brout, C. D'Andrea, L. Gladney, M. March, M. Sako, R. C. Wolf (University of Pennsylvania), P. J. Brown, K. Krisciunas, N. Suntzeff (Texas A&M University), E. Macaulay, R. Nichol (University of Portsmouth), M. Childress, S. Prajs, M. Smith, M. Sullivan (University of Southampton), R. Maartens (University of the Western Cape), E. Kovacs, S. Kuhlmann, H. Spinka (Argonne National Laboratory), E. Ahn, D. A. Finley, J. Frieman, J. Marriner, W. Wester (Fermilab), G. Aldering, R. Gupta, 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, Y.-C. Pan (University of California, Santa Cruz), R. Casas, F. J. Castander (ICE, IEEC/CSIC, Barcelona), A. Papadopoulos (Cyprus University), E. Morganson (University of Illinois at Urbana-Champaign), S. Desai, K. Paech (Ludwig Maximilians University, Munich), R. C. Smith (NOAO/CTIO), M. Schubnell (University of Michigan), F. Yuan (Australian National University), T. M. Davis, S. Hinton, D. Muthukrishna, D. Parkinson (University of Queensland), G. F. Lewis (University of Sydney), S. Uddin (Purple Mountain Observatory), R. Kessler, J. Lasker, D. Scolnic (University of Chicago)
on 13 Dec 2016; 20:44 UT
Credential Certification: Brad Tucker (brad@mso.anu.edu.au)

Subjects: Optical, Supernovae

We report new spectroscopic classifications by OzDES of supernovae discovered by the Dark Energy Survey (ATEL #4668). The spectra (370-885nm) were obtained with the AAOmega Spectrograph (Saunders et al. 2004, SPIE, 5492, 389) and the 2dF fibre positioner at the Anglo-Australian Telescope (AAT). Object classification was performed using SNID (Blondin & Tonry, 2007, ApJ, 666, 1024) and superfit (Howell and Wang, 2002, BAAS, 34, 1256), 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)  |        |       |        | 
DES16E1dcx |00:35:52.43|-43:21:28.8 |2016 Nov 01|  23.3   |2016 Nov 25| 0.453  | SNIa  |+2 weeks|a 
DES16E1dic |00:32:32.24|-43:13:41.4 |2016 Nov 08|  22.9   |2016 Nov 25| 0.207  | SNIa  |  max   |a 
DES16X3dfk |02:26:17.58|-05:22:23.4 |2016 Nov 01|  23.9   |2016 Nov 25| 0.1495 | SNIa  |near-max|a 
DES16C3dhv |03:30:43.97|-28:50:49.6 |2016 Nov 01|  25.1   |2016 Nov 25| 0.300  | SNIa  |near-max|a 
DES16E2cxw |00:40:42.70|-43:55:18.5 |2016 Nov 01|  21.8   |2016 Nov 26| 0.293  | SNIa  |+2 weeks|a 
DES16E2drd |00:34:27.64|-44:12:37.6 |2016 Nov 15|  22.4   |2016 Nov 26| 0.270  | SNIa  |near-max|a 
DES16X1drk |02:16:43.11|-04:57:14.7 |2016 Nov 16|  24.1   |2016 Nov 27| 0.463  | SNIa  |near-max|a 
DES16X1dbw |02:15:17.35|-05:18:58.9 |2016 Nov 01|  23.5   |2016 Nov 27| 0.336  | SNIa  |+1 week |a 
DES16S2ean |02:47:46.17|-01:23:11.1 |2016 Nov 21|  22.6   |2016 Nov 27| 0.161  | SNIa  |pre-max |a  
DES16S2dfm |02:47:05.65|-01:44:09.7 |2016 Nov 02|  22.6   |2016 Nov 27| 0.30   | SNIa  |near-max| 
DES16X1dbx |02:16:24.77|-04:41.12.2 |2016 Nov 01|  23.0   |2016 Nov 27| 0.345  | SNIa  |+1 week | 
DES16E1eae |00:29:22.10|-43:58:52.1 |2016 Nov 21|  23.4   |2016 Nov 29| 0.534  | SNIa  |  max   |a  
DES16E1eef |00:36:12.24|-42:43:47.0 |2016 Nov 25|  23.4   |2016 Nov 29| 0.32   | SNIa  |  max   | 
DES16S2drt |02:43:30.21|-01:55:23.4 |2016 Nov 16|  22.9   |2016 Nov 27| 0.331  | SNIa  |  max   |a 
DES16X1der |02:17:55.73|-05:32:28.9 |2016 Nov 08|  23.5   |2016 Nov 27| 0.453  | SNIa  |+1 week |a 
DES16C3dhy |03:32:40.42|-28:31:04.3 |2016 Nov 08|  23.7   |2016 Nov 28| 0.276  | SNIa? |near-max|a 
DES16X2dqz |02:24:51.39|-06:49:28.6 |2016 Nov 16|  22.9   |2016 Nov 28| 0.204  |SNIb/c?|  max   |a 
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a). Redshift from galaxy features