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Recent Blazar Flares Discovered by CRTS

ATEL # 2800; S.G. Djorgovski, A.J. Drake, A.A. Mahabal, M.J. Graham, R. Williams (Caltech); J. Prieto (OCIW); M. Catelan (PUC); E. Christensen (Gemini Observatory); E.C. Beshore, S.M. Larson (LPL/UA); R.H. McNaught (ANU)
on 17 Aug 2010; 22:19 UT
Distributed as an Instant Email Notice (Request for Observations)
Password Certification: S. George Djorgovski (george@astro.caltech.edu)

Subjects: Optical, Request for Observations, Transients

We report the discovery of flaring radio sources and blazars by the Catalina Real-time Transient Survey (CRTS) during the period from 2010-05-31 to 2010-07-04 UT. Some of them exhibit high-amplitude optical flares. All of them were announced in real-time on the CRTS website (see the links below). The transient event designations give the UT discovery date (yymmdd), and the J2000 coordinates (hhmmss+_ddmmss), and are listed here in the reverse temporal order:

IDDisc.MagName, redshift
CSS100704:225515+241011 15.9 MG3 J225517+2409
SSS100703:134740-375036 17.3 PMN J1347-3750
SSS100618:135147-291217 17.6 PKS 1348-289, z=1.034
CSS100616:131808-173536 17.65 NVSS J131808-173537
SSS100615:210353-354620 17.5 NVSS J210353-354620
CSS100611:002232+060805 17.35 PKS 0019+058
CSS100604:203901-104642 15.9 CRATES J203901-104652
CSS100602:172807+121540 17.9 PKS 1725+123, z=0.588
CSS100601:141922-083830 16.85 NVSS J141922-083830
CSS100531:101955+182648 18.9 NVSS J101954+182649

Follow-up at any wavelengths, radio and gamma in particular, would be useful.

All CRTS discoveries are available from http://crts.caltech.edu/ and http://www.skyalert.org/. More information, light curves, exact coordinates, and finding charts are linked there.

CRTS Website


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R. E. Rutledge , Editor
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