Asiago spectroscopic classification of ASASSN-17qz
ATel #11078; S. Benetti, E. Cappellaro, L. Tomasella, M. Turatto (INAF-OAPd), V. Nascimbeni (UniPd-DFA)
on 21 Dec 2017; 09:19 UT
Credential Certification: Lina Tomasella (lina.tomasella@oapd.inaf.it)
Subjects: Optical, Supernovae
The Asiago Transient Classification Program (Tomasella et al. 2014, AN, 335, 841) reports the spectroscopic classification of ASASSN-17qz (SN 2017iyw),
bright candidate SN in galaxy VII Zw 218.
The observation was performed with the Asiago 1.82 m Copernico Telescope equipped with AFOSC (range 340-820 nm; resolution 1.4 nm).
Survey Name | IAI Name | Discovery date (UT) | Discovery mag | Observation (UT) | Type | z | Notes|
ASASSN-17qz | SN 2017iyw | 2017-10-18 07:12:00 | g-Sloan=15.9 |2017-10-20 19:45:00 | Ia | 0.0215 | (1) |
(1) Good matches are obtained with normal Type Ia SNe around maximum light at redshift z~0.0215. Adopting this redshift, the expansion velocity deduced from the SiII 635.5 nm line is about 10900 km/s.
Classification was done with GELATO (Harutyunyan et al. 2008, A&A, 488, 383) and SNID (Blondin and Tonry 2007, ApJ, 666, 1024). The Asiago classification spectra are posted at the website http://sngroup.oapd.inaf.it.
Padova-Asiago SN group
