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Possible SN or high amplitude stellar variable discovered by PSST

ATel #7407; D. Wright, K. W. Smith, S. J. Smartt (Queen's University Belfast), M. Huber, K. C. Chambers, H. Flewelling, M. Willman, N. Primak, A. Schultz, B. Gibson, E. Magnier, C. Waters, J. Tonry, R. J. Wainscoat (IfA, Hawaii), R. J. Foley (Illinois), S. W. Jha (Rutgers), A. Rest (STScI), D. Scolnic (Chicago/KICP)
on 17 Apr 2015; 17:59 UT
Distributed as an Instant Email Notice Supernovae
Credential Certification: Stephen Smartt (s.smartt@qub.ac.uk)

Subjects: Optical, Supernovae

Referred to by ATel #: 7418

A bright transient, which is a possible bright supernova or high amplitude stellar variable, has been discovered as part of the Pan-STARRS Survey for Transients (PSST). Information on all objects discovered by the Pan-STARRS Survey for Transients is available at http://star.pst.qub.ac.uk/ps1threepi/ (see Huber et al. ATel #7153). We will send all objects brighter than 18 mag as ATel alerts, while all other objects can be found on these webpages.

 
Name       | RA (J2000)  | Dec (J2000) | Disc. Date | Disc Mag | filter | Notes 
PS15adk    | 16 33 13.65 | -12 45 35.0 |  20150416  |  16.62   |   z    |  (1) 

(1) The transient appears coincident with a faint uncatalogued source in the z-band reference stack (from the PS1 3Pi survey). This source seems marginally extended which suggests it is a host galaxy and the transient is a SN, although it is adjacent to a brighter star.