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Spectroscopic classification of supernovae ASASSN-16fc and Gaia16aou with the Nordic Optical Telescope

ATel #9060; T. Kangas (Turku), S. Mattila (Turku), N. Elias-Rosa (INAF-Padova), P. Lundqvist (Stockholm), M. Stritzinger (Aarhus U), H. Kuncarayakti (MAS, DAS), J. Harmanen (Turku), A. Pastorello (INAF-Padova), 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), D. Harrison (IoA), S. Hodgkin (IoA), E. Y. Hsiao (FSU), P. Jonker (SRON), E. Kankare (QUB), Z. Kostrzewa-Rutkowska (Warsaw/SRON), M. Nielsen (Aarhus U), Paolo Ochner (INAF-Padova), J. L. Prieto (UDP, MAS), T. Reynolds (Turku, NOT), C. Romero-Canizales (PUC, MAS), F. Taddia (OKC), L. Tartaglia (INAF-Padova), G. Terreran (INAF-Padova/QUB), L. Tomasella (INAF-Padova), L. Wyrzykowski (Warsaw Observatory)
on 18 May 2016; 11:15 UT
Distributed as an Instant Email Notice Supernovae
Credential Certification: Tuomas Kangas (tjakan@utu.fi)

Subjects: Optical, Supernovae, Transient

Referred to by ATel #: 9107

The NOT Unbiased Transient Survey (NUTS; ATel #8992) collaboration reports the spectroscopic classifications of supernovae ASASSN-16fc and Gaia16aou in the galaxies SDSS J153151.40+372445.8 and SDSS J112855.72+255140.3, respectively. The candidates were discovered by the All Sky Automated Survey for SuperNovae (ASAS-SN, ATel#9057) and the Gaia Photometric Science survey, respectively.

The observations were performed with the 2.56 m Nordic Optical Telescope equipped with ALFOSC (range 320-960 nm; resolution 1.6 nm) on 2016-05-18.0 UT.

 
Name         |  host galaxy            |   redshift   |  Discovery (UT) |  Discovery mag |  Type    | Phase      | Notes 
ASASSN-16fc  |SDSS J153151.40+372445.8 |    0.030     |  2016-05-15.35  |   17.6         |  Ia      | ~0d      | (1) 
Gaia16aou    |SDSS J112855.72+255140.3 |    0.033     |  2016-05-14.54  |   17.66        |  Ia      | ~0d      | (1) 

(1) Best match with the normal type Ia SN 2003du at or around peak brightness (-5 to +3 days). Redshift from the host galaxy.

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, DPAC and the Photometric Science Alerts Team (http://gsaweb.ast.cam.ac.uk/alerts).