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Asiago spectroscopic classification of 5 supernovae.

ATel #9419; G. Terreran (INAF OAPd, QUB), S. Benetti, E. Cappellaro, N. Elias-Rosa, P. Ochner, A. Pastorello, L. Tomasella, M. Turatto (INAF OAPd)
on 27 Aug 2016; 17:26 UT
Distributed as an Instant Email Notice Supernovae
Credential Certification: N. Elias-Rosa (nancy.elias@oapd.inaf.it)

Subjects: Optical, Supernovae

The Asiago Transient Classification Program (Tomasella et al. 2014, AN, 335, 841) reports the spectroscopic classification of SNe 2016fes, 2016fev, 2016ffo, 2016fhn and 2016fho. The targets are all supplied by the Pan-STARRS Survey for Transients (PSST, see Huber et al. ATel #7153).

The observations were performed with the Asiago 1.82 m Copernico Telescope equipped with AFOSC (range 340-820 nm; resolution 1.4 nm).

 
Survey Name | IAU Name    |         Host galaxy     | Discovery (UT) | Discovery mag | Observation (UT)|  Redshift | Type   |  Phase | Notes  
PS16dwg     | SN 2016fes  |     NPM1G +62.0196      | 2016-08-11.28  |     18.3      | 2016-08-26.80   |   0.052   | SN Ia  |  +10d  | (1) 
PS16dyk     | SN 2016fho  | 2MASX J23203937+4823260 | 2016-08-18.43  |     18.8      | 2016-08-26.87   |   0.044   | SN II  |  +21d  | (2) 
PS16dwl     | SN 2016fev  |        UGC 482          | 2016-08-14.57  |     18.4      | 2016-08-26.99   |   0.040   | SN Ia  |  +25d  | (3) 
PS16dxg     | SN 2016ffo  |       CGCG 554-7        | 2016-08-21.51  |     17.9      | 2016-08-27.05   |   0.028   | SN Ia  |  +3d   | (4) 
PS16dyl     | SN 2016fhn  |    UGC 01124 NOTES01    | 2016-08-21.56  |     19.6      | 2016-08-27.09   |   0.025   | SN Ic  |  +30d  | (5) 

(1) The best match is with the Type Ia SN 2003du at +10d. Using the redshift 0.052 (suggested by SNID), from the position of the minimum of the Si II 635nm feature, we infer an expansion velocity of ~11000 km/s for the ejected material.

(2) The best match is with Type II SN 2005cs ~3 weeks after explosion.

(3) The best match is with the Type Ia SN 1989B at +25d. The redshift is retrieved from NED.

(4) The best match is with the Type Ia SN 2003cg at +3d after Bmax. The redshift is retrieved from NED.

(5) The low S/N spectrum shows a good match with the Type Ic SN 1990B at 30d after Bmax. The redshift is retrieved from NED.

The classifications were performed using the GELATO (Harutyunyan et al. 2008, A&A, 488, 383) and SNID (Blondin and Tonry 2007, ApJ, 666, 1024) tools. The Asiago classification spectra are posted at the website http://sngroup.oapd.inaf.it.