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PESSTO spectroscopic classification of optical transients

ATel #10010; E. Karamehmetoglu, F. Taddia, J. Sollerman, C. Barbarino, A. Nyholm (OKC), M. Dennefeld (IAP, UPMC), N. Elias-Rosa (INAF-OAPd), C. Inserra, E. Kankare, K. Maguire, D. Young, K. W. Smith, S. J. Smartt (QUB), M. Sullivan (Southampton), S. Valenti (UC Davis), O. Yaron, I. Manulis (Weizmann), J. Tonry, B. Stalder, L. Denneau, A. Heinze, H. Weiland (IfA, Univ. of Hawaii) and A. Rest (STScI).
on 26 Jan 2017; 16:22 UT
Distributed as an Instant Email Notice Supernovae
Credential Certification: Cristina Barbarino (cristina.barbarino@astro.su.se)

Subjects: Optical, Supernovae

PESSTO, the Public ESO Spectroscopic Survey for Transient Objects (see Smartt et al. 2015, A&A, 579, 40 http://www.pessto.org ), reports the following supernova classification. The target was supplied by ATLAS survey, see Tonry et al. (2011, PASP, 123, 58) and Tonry et al. (ATel #8680). The observations were performed on the ESO New Technology Telescope at La Silla on 2017 January 25, using EFOSC2 and Grism 13 (3985-9315A, 18A resolution). Classification was done with SNID (Blondin & Tonry, 2007, ApJ, 666, 1024). Classification spectrum and additional details can be obtained from http://www.pessto.org (via WISeREP) and the IAU Transient Name Server.

Survey Name | IAU Name  | RA (J2000)   | Dec (J2000) | Disc. Date | Source | Disc Mag |  z     | Type | Phase  |  
ATLAS17ali  | SN2017nw  | 11:16:12.61  | +02:48:29.1 |  20170115  | ATLAS  |  17.6    | 0.077  |  Ia  | At max |