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Supernova Candidate from CSS

ATEL # 1571; A.J. Drake, A. Mahabal, S.G. Djorgovski, R. Williams, M.J. Graham (Caltech); E. Christensen (Gemini Observatory); E.C. Beshore, S.M. Larson (LPL/UA)
on 11 Jun 2008; 21:00 UT
Password Certification: Andrew J. Drake (

Subjects: Optical, Request for Observations, Nova, Supernova, Transients

We have detected a likely Supernova in Catalina Sky Survey images from 11 Jun 2008 UT. The object has the following parameters:
CSS080611:121642+410211 2008-06-11 UT 04:52:41 RA 12:16:41.53 Dec 41:02:11.2 Mag 17.7 Type SN

The object is near the edge of galaxy SDSSJ121642.18+410223.7 (z = 0.039, mags: g~ 17.9, r~17.6, i~17.3, z~17.5). No transients are present in earlier epochs of CSS imaging, including data taken on the 8th May UT (to mag ~19.5), or prior SDSS or DSS images to mag ~22.

For finding charts and discovery images please see: Current candidate and confirmed SNe can be found here. Stationary CSS optical transients are detected and published as VOEvents in real-time at and in RSS here

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R. E. Rutledge , Editor
ATEL Mirror v1.0 Updates