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Classification of DES16C3dmp as a SLSN-I by VLT

ATel #9953; M. Sullivan, M. Smith, S. Prajs (University of Southampton), C. D'Andrea (University of Pennsylvania), P. J. Brown, K. Krisciunas, N. Suntzeff (Texas A&M University), E. Macaulay, R. Nichol (University of Portsmouth), M. Childress (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), C. Lidman (Australian Astronomical Observatory), D. Carollo, A. Moller, B. E. Tucker, F. Yuan, B. Zhang (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), D. J. Brout, L. Gladney, M. March, M. Sako, R. C. Wolf (University of Pennsylvania)
on 10 Jan 2017; 16:21 UT
Distributed as an Instant Email Notice Supernovae
Credential Certification: Mathew Smith (matsmith2@gmail.com)

Subjects: Optical, Supernovae

We report optical spectroscopy of DES16C3dmp as a type I super-luminous supernova (SLSN-I) discovered by the Dark Energy Survey (ATel #4668). The spectra (380-950nm) were obtained using the X-SHOOTER instrument on the Very Large Telescope (VLT) of the European Southern Observatory (ESO). Object classification was performed using SNID (Blondin & Tonry, 2007, ApJ, 666, 1024) and superfit (Howell et al, 2005, ApJ, 634, 119), 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)  |        |      |        | 
DES16C3dmp |03:31:28.35|-28:32:28.3 |2016 Nov 08|  25.2   |2016 Dec 20| 0.5652 |SLSN-I|near-max|a  
 
a). Redshift from galaxy emission/absorption features