Saturday, January 30, 2010

Extra Note - Jan. 29, 2010

PKS 0521-36 on Jan. 29th, 2010

PKS 0521-36 (1H 0515-363, 3EG J0530-3626, RX J0522.9-3627, ESO 362-21, 1FGL J0522.8-3632), a gamma-ray source with redshift z=0.055 and uncertain classification (BL Lac object, FSRQ, Seyfert-1, FRII radio morphology depending on catalogs/papers) optically bright with resolved host galaxy, optical spectra showing emission and absorption lines similar to Seyfert 1 spectra, and knotty radio-jet, showed a preliminary daily flux above 100 MeV of about 0.7 ± 0.2 E-6 photons/cm^2/s, and photon index approx 2.0 ± 0.2 (errors statistical only). This source is clearly detected on 1-day timescale on January 29, 2010 (a couple of detections are reported last August 2009). PKS 0521-36 is a nearby blazar with possible interesting features and of possible interest for TeV Cherenkov telescopes.

For questions and comments please contact the Flare Advocate on shift (S. Ciprini (stefano.ciprini[at]

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