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Spectroscopic classification of SN2016bdu with the Nordic Optical Telescope

ATel #9111; G. Terreran (INAF-Padova/QUB), K. Stanek (OSU), N. Elias-Rosa (INAF-Padova), S. Mattila (Turku), 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), T. Kangas (Turku), E. Kankare (QUB), Z. Kostrzewa-Rutkowska (Warsaw/SRON), M. Nielsen (Aarhus U), P. Ochner (INAF-Padova), J. L. Prieto (UDP, MAS), T. Reynolds (Turku, NOT), C. Romero-Canizales (MAS, UDP), F. Taddia (OKC), L. Tartaglia (INAF-Padova), L. Tomasella (INAF-Padova), L. Wyrzykowski (Warsaw Observatory)
on 3 Jun 2016; 17:39 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) collaboration reports the spectroscopic classifications of supernova SN 2016bdu. The candidate was discovered by the Pan-STARRS Survey for Transients (PSST; Huber et al., ATel #7153) on 2016, February the 21st with a magnitude of ~21. The target was then detected again by the All-Sky Automated Survey for Supernovae (ASAS-SN) in images obtained after UT 2016-05-29 (~3 months after the discovery by PSST). The object has not been detected in images taken on UT 2016-05-21 and shortly before.

The observations were performed with the 2.56 m Nordic Optical Telescope equipped with ALFOSC (range 350-950 nm; resolution 1.34 nm) on 2016-06-02.96 UT.

 
Name          |  Host galaxy   |   Redshift   |  Discovery (UT) |  Discovery mag |  Type    | Phase   | Notes 
SN 2016bdu | - | 0.017 | 2016-02-21 | 20.9 | IIn | - | (1)

(1) = PS16bdu; redshift from narrow Balmer lines in emission. Note that the target is located ~57 kpc (~2.6 arcmin) from the center of UGC08250, a relatively big edge-on spiral at z=0.017646. Detailed photometry obtained by the ASAS-SN team: 2016-05-15.43, V >17.20; 2016-05-20.24, V >16.73; 2016-05-21.39, V >16.56; 2016-05-29.39, V = 16.50 +- 0.08; 2016-05-30.30, V = 16.49 +- 0.07; 2016-06-03.38 V = 16.59 +- 0.13.

Classifications were performed using the GELATO (Harutyunyan et al. 2008, A&A, 488, 383) and SNID (Blondin and Tonry 2007, ApJ, 666, 1024) tools.