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An Optical Transient from the Catalina Sky Survey

ATEL # 1374; 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 1 Feb 2008; 7:02 UT
Distributed as an Instant Email Notice (Transients)
Password Certification: Andrew J. Drake (

Subjects: Request for Observations, Cataclysmic Variables, Nova, Supernova, Transients

We have detected an optical transients in the Catalina Sky Survey (CSS) obtained at the Mt. Bigelow 0.7m Catalina Schmidt Telescope between Jan 30 2008 UT. The transient is unresolved and at the following J2000 coordinates:

ID Detection DateRADec
CSS080130:033055-251255 2008-01-30 UT 04:18:33 03:30:55.66 +25:12:55.2

For finding charts and additional information, please see:

CSS discovery observations consist of four images spanning approx 30 minutes. Transient CSS080130:033055-251255 was mag ~16.7 in all images when detected and does not match the location of any known object to ~21st magnitude in past CSS images and other archival data. However, there is some evidence of a nearby object which may be associated. Follow-up observations in Gunn-g and Gunn-r band were taken with the P-60 on 2008-01-31 UT 04:35 and showed that the transient was of similar brightness. Photometric and spectroscopic follow-up observations are requested.

All automatically selected CSS optical transients are published as VOEvents in real-time at with RSS feed
A regularly updated list of by-eye selected transient candidates is also available here

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R. E. Rutledge , Editor
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