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ASAS-SN Light Curve of A Candidate Supernova PSN J02331624+1915252

ATel #7940; K. Z. Stanek, C. S. Kochanek (Ohio State), Subo Dong (KIAA-PKU), J. S. Brown, T. W.-S. Holoien, G. Simonian, U. Basu, J. F. Beacom, T. A. Thompson (Ohio State), B. J. Shappee (Hubble Fellow, Carnegie Observatories), J. L. Prieto (Diego Portales; MAS), D. Bersier (LJMU), J. Brimacombe (Coral Towers Observatory), E. Falco (CfA), P. R. Wozniak (LANL), G. Pojmanski (Warsaw University Observatory)
on 22 Aug 2015; 14:46 UT
Distributed as an Instant Email Notice Supernovae
Credential Certification: Krzysztof Stanek (stanek.32@osu.edu)

Subjects: Optical, Supernovae

Referred to by ATel #: 7955

Possible supernova PSN J02331624+1915252 is present in multiple images obtained with the quadruple 14-cm ASAS-SN "Brutus" telescope in Haleakala, Hawaii. Due to severe contamination from a relatively nearby bright star, our software did not flag this event as a possible supernova, but it is present in subtracted images as early as UT 2015-06-27.6 (V~15.5), peaking at V~15.3 on UT 2015-07-23.6 (see the ASAS-SN light curve here; due the contamination, the light curve is significantly noisier than usual).

ASAS-SN is supported in part by NSF grant AST-1515927. We thank LCOGT and its staff for their continued support of ASAS-SN. ASAS-SN is supported in part by Mt. Cuba Astronomical Foundation.