Spectroscopic Classification of 3 Supernovae From DES with Keck
ATel #6531; M. L. Graham, P. L. Kelly, W. Zheng, A. V. Filippenko (UC Berkeley); 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 + UC Berkeley); R. J. Foley (University of Illinois); 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); 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)
on 3 Oct 2014; 14:27 UT
Distributed as an Instant Email Notice Supernovae
Credential Certification: Peter Nugent (penugent@lbl.gov)
Subjects: Optical, Supernovae
We report optical spectroscopy of three supernovae discovered by the Dark Energy Survey (ATel #4668). The spectra (340-1025 nm) were obtained using LRIS on Keck I. Object classification was performed using SNID (Blondin & Tonry, 2007, ApJ, 666, 1024).
Name | RA (J2000) | Dec (J2000) | Discovery Date (UT) | Discovery r Mag | Spectrum Date (UT) | redshift | Type | Phase | Notes |
DES14C1bdv | 03 34 52.66 | -27 49 58.1 | 2014 Sep 11 | 23.3 | 2014 Sep 23 | 0.443 | Type Ia | ~ -1d | |
DES14S1aoz | 02 50 27.57 | -00 52 18.4 | 2014 Sep 02 | 23.2 | 2014 Sep 23 | 0.525 | Type Ia | ~ +6d | |
DES14X3ajv | 02 24 58.40 | -04 15 03.1 | 2014 Sep 03 | 23.4 | 2014 Sep 23 | 0.613 | Type Ia | ~ +3d | (1) |
(1) - discovery magnitude given in i-band