SOAR telescope spectroscopic classification of optical transients

ATel #12778; R. Cartier (CTIO), F. Olivares, J. Pineda, J. Antilen, I. Sanchez (U de Chile), F. Forster (CMM-U. de Chile), N. Meza, J. Quirola (PUC)
on 19 May 2019; 21:01 UT
Distributed as an Instant Email Notice Supernovae
Credential Certification: Regis Cartier (rgcartier@gmail.com)

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We report the following supernova classifications. The targets were supplied by supplied by the ATLAS survey, see Tonry et al. (2011, PASP, 123, 58) and Tonry et al. (ATel #8680), and by the Zwicky Transient Facility (https://www.ztf.caltech.edu/; Kulkarni et al. 2018, ATel 11266) data stream processed through the Lasair broker (http://lasair.roe.ac.uk/). The observations were performed on the night of 2019 May 16 at the 4.1-m SOAR Telescope equipped with the Goodman High Throughput Spectrograph using the 400 lines/mm grating, and a slit width of 1.0 arc second, resulting in a spectral coverage from 380 nm to 775 nm with a resolution of 0.636 nm. Classifications were done with SNID (Blondin & Tonry, 2007, ApJ, 666, 1024).

 
Survey Name  | IAU Name  | RA (J2000)  | Dec (J2000)  | Disc. Date | Source    | Disc Mag |  z    | Type | Phase     | Notes 
ZTF19aauitks | XX2019fcm | 13:21:02.64 | +20:05:55.65 | 2019-05-09 | ZTF       | 20.28    | 0.098 | Ia   | -7 to -4  | (1) 
ZTF19aauplxw | XX2019fcw | 15:12:07.85 | +01:03:37.70 | 2019-05-13 | ZTF       | 19.21    | 0.087 | Ia   | -7 to -4  | (2) 
ATLAS19jma   | XX2019fbw | 16:14:49.35 | -11:55:40.51 | 2019-05-07 | ATLAS     | 19.18    | 0.066 | Ia   | at max    | (3) 
ATLAS19kpq   | XX2019fjq | 19:52:20.62 | -23:32:21.35 | 2019-05-14 | ATLAS     | 18.96    | 0.047 |      | young     | (1,2,4) 
ATLAS19kun   | XX2019fkv | 20:31:06.71 | +08:44:22.26 | 2019-05-15 | ATLAS     | 18.82    | 0.055 | Ia   | -7 to -4  | (1) 
ATLAS19ksz   | XX2019fkp | 21:22:49.19 | +00:30:10.02 | 2019-05-15 | ATLAS     | 19.35    | 0.086 | Ia   | +8 to +10 | (2) 
ATLAS19ktc   | XX2019fks | 21:41:16.51 | -16:53:22.78 | 2019-05-15 | ATLAS     | 19.11    | 0.050 | IIb  | young     | (2) 

(1) Redshift obtained from host galaxy narrow emission lines.
(2) Redshift from NED.
(3) Redshift obtained from fitting an spectral template using SNID.
(4) The spectrum shows a blue continuum and weak broad SN features. Most likely a young type II.