Abstract
A detailed overview of the spectroscopic follow-up program as well as a general overview of the DES-SN program and observing strategy can be found in D'Andrea et al. (2018, arXiv:1811.09565).
Over the first 3 years of DES-SN, from 2013 September to 2016 February, we discovered roughly ~12000 candidates of which ~2000 are likely SNe Ia. In this first analysis we analyze only the spectroscopically confirmed SN Ia subset of the data. The majority of spectra come from the Anglo-Australian Telescope (AAT) as part of the OzDES program (Yuan+ 2015MNRAS.452.3047Y & Childress+ 2017, J/MNRAS/472/273).
We also utilize four publicly available low-redshift surveys ("LOWz" subset): CfA3S (CfA3 Shooter), CfA3K (CfA3 KeplerCam), CfA4, and CSP-1 (Jha+ 2006, J/AJ/131/527; Hicken+ 2009, J/ApJ/700/1097 and 2012, J/ApJS/200/12; Contreras+ 2010, J/AJ/139/519), consisting of 303 spectroscopically confirmed SNe Ia in the redshift range 0.01(2 data files).
| Original language | English |
|---|---|
| Publisher | American Astronomical Society |
| DOIs | |
| Publication status | Published - 1 Aug 2020 |
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