TNS Classification Report No. 6138 [ 2020TNSCR.498....1M ]

Date Received (UTC): 2020-02-14 23:56:22
Sender: Daichi Hiramatsu
Group: None

Curtis McCully (LCO), Daichi Hiramatsu (LCO/UCSB), Jamison Burke (LCO/UCSB), Jennifer Andrews (UA), Craig Peligrino (LCO/UCSB), D. Andrew Howell (LCO/UCSB), Iair Arcavi (Tel Aviv University), Reinaldo de Carvalho: (Unicid/Unicsul), Francisco Förster (Universidad de Chile), Ryan Foley (UCSC), David Coulter (UCSC), Charles Kilpatrick (UCSC), David Sand (UA), Stefano Valenti (UC Davis), Marcelle Soares-Santos (Brandeis), Sandro Rembold (UFSM), Armin Rest (STSci), Daniel Kasen (UC Berkeley), Brian Metzger (Columbia), Anthony Piro (Carnegie Obs.), Eliot Quataert (UC Berkeley), Enrico Ramirez-Ruiz (UCSC), J. Craig Wheeler (UT Austin), Franz Bauer (Pontificia Universidad Catolica de Chile), Joshua Bloom (UC Berkeley), Thomas Brink (UC Berkeley), Jeff Cooke (Swinburne University of Technology), Alejandro Clocchiatti (Pontificia Universidad Catolica de Chile), Alexei V. Filippenko (UC Berkeley), Wendy Freedman (University of Chicago), Peter Garnavich (Notre Dame), Jorge Ernesto Horvath (Universidade de Sao Paulo), Saurabh Jha (Rutgers), Robert Kirshner (Gordon and Betty Moore Foundation), Kevin Krisciunas (Texas A&M), Huan Lin (FNAL), Barry Madore (Carnegie Obs.), Martin Makler (Centro Brasileiro de Pesquisas Físicas), Gautham Narayan (UIUC), Xavier Prochaska (UCSC), Adam Riess (STSci), Riccardo Sturani (UFRN), Nicholas Suntzeff (Texas A&M), Masaomi Tanaka (Tohoku University), Douglas Tucker (FNAL), Jozsef Vinko (Konkoly Observatory), Lifan Wang (Texas A&M), Carlos Contreras (STSci), Chris D'Andrea (UPenn), Georgios Dimitriadis (UCSC), David Jones (UCSC), Michael Lundquist (UA), Felipe Olivares (INCT/UDA), Antonella Palmese (FNAL), Yen-Chen Pan: (NAOJ), Daniel Scolnic (University of Chicago), WeiKang Zheng (UC Berkeley), Antonio Bernardo (Universidade de Sao Paulo), K. Azalee Bostroem (UC Davis), Ariadna Murguia Berthier (UCSC), Ósmar Rodríguez (Universidad Nacional Andres Bello), César Rojas-Bravo (UCSC), Matthew Siebert (UCSC), and Iruatã Souza (Centro Brasileiro de Pesquisas) report/s a classification of object: SN 2020vz

Type: SN IIn
Redshift: 0.25

Remarks: The best fit from Superfit (Howell et al. 2005, ApJ, 634, 1190) is Type IIn SN 2005cl at +15 days with redshift z = 0.25. This corresponds to an absolute magnitude of -19.4, consistent with this type of supernova.

The following Classification spectrum was provided:

Obsdate: 2020-01-16 03:04:56
Instrument: GMOS-S
Telescope: Gemini South

Details of the object and its spectra can be viewed here: https://www.wis-tns.org/object/2020vz