Spectroscopic classification of Gaia16bji with the Nordic Optical Telescope
ATel #9585; N. Elias-Rosa (INAF-Padova), S. Mattila (Turku), P. Lundqvist (Stockholm), M. Stritzinger (Aarhus U), S. Benetti (INAF-Padova), E. Cappellaro (INAF-Padova), N. Blagorodnova (Caltech), S. Davis (FSU), S. Dong (KIAA-PKU), M. Fraser (IoA), C. Gall (Aarhus U), J. Harmanen (Turku), D. Harrison (IoA), S. Hodgkin (IoA), E. Y. Hsiao (FSU), P. Jonker (SRON), T. Kangas (Turku), E. Kankare (QUB), H. Kuncarayakti (MAS, DAS), Z. Kostrzewa-Rutkowska (Warsaw/SRON), M. Nielsen (Aarhus U), P. Ochner (INAF-Padova), A. Pastorello (INAF-Padova), J. L. Prieto (UDP, MAS), T. Reynolds (Turku, NOT), C. Romero-Canizales (MAS, UDP), K. Stanek (OSU), F. Taddia (OKC), L. Tartaglia (INAF-Padova), G. Terreran (INAF-Padova/QUB), L. Tomasella (INAF-Padova), L. Wyrzykowski (Warsaw Observatory)
on 3 Oct 2016; 13:01 UT
Distributed as an Instant Email Notice Supernovae
Credential Certification: N. Elias-Rosa (nancy.elias@oapd.inaf.it)
Subjects: Optical, Supernovae, Transient
The NOT Unbiased Transient Survey (NUTS; ATel #8992) reports the spectroscopic classification of Gaia16bji in host galaxy SDSS J172057.55+245435.5. The candidate was discovered by the Gaia Photometric Science survey.
The observations were performed with the 2.56 m Nordic Optical Telescope equipped with ALFOSC (range 350-950 nm; resolution 1.6 nm).
Survey Name | IAU Name | Host galaxy | Discovery (UT) | Discovery mag | Observation (UT) | Redshift | Type | Phase | Notes
Gaia16bji | SN 2016gko | SDSS J172057.55+245435.5 | 2016-09-20.99 | 18.1 | 2016-10-02.83 | 0.06 | SN Ia | +14d | (1)
(1) The best match is with the Type Ia SNe 1995D and 2003du about two week before B-band maximum light. The expansion velocity of the ejecta, as estimated from the position of the Si II 635.5 nm line, is about 10500 km/s. The redshift of the host galaxy has been obtained from the best match of the SN spectral features with the reference template.
Classifications were performed using the GELATO (Harutyunyan et al. 2008, A&A, 488, 383) and SNID (Blondin and Tonry 2007, ApJ, 666, 1024) tools, and are posted on WISeREP (Yaron & Gal-Yam 2012, PASP, 124, 668). We acknowledge ESA Gaia (http://cosmos.esa.int/gaia), and the DPAC Photometric Science Alerts Team (http://gsaweb.ast.cam.ac.uk/alerts/alertsindex) (Rixon et al, 2014, ATel #6593).
