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Bright Transient discovered by PSST

ATel #8078; 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 21 Sep 2015; 14:16 UT
Distributed as an Instant Email Notice Supernovae
Credential Certification: Stephen Smartt (s.smartt@qub.ac.uk)

Subjects: Optical, Cataclysmic Variable, Supernovae, Transient

A bright transient, which is a possible supernova or high amplitude galactic 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 
PS15ccf    | 19 18 56.56 | -28 50 58.9 |  20150918  |  17.76   |   i    | (1) 

(1) There is no catalogued host at the transient location, though it appears offset from a faint extended flux in the PS1 i-band reference stack. The object is at galactic coordinates l=9.24, b=-18.26 in a relatively dense stellar field. The Galactic position and amplitude of the rise favours a Galactic variable, but the faint extended flux would favour a SN origin.