Probable Flaring Blazars from CRTS

Details Probable Flaring Blazars from CRTS Probable Flaring Blazars from CRTS

Apr 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009atel.2041....1d&link_type=abstract

The Astronomer's Telegram, #2041

Astronomy and Astrophysics

Astronomy

Radio, Optical, Gamma Ray, Request For Observations

Scientific paper

We have obtained spectra of several known or possible flaring blazars, selected from the CRTS survey as flaring in the visible light, using the DBSP spectrograph at the Palomar 200-inch Hale telescope, on UT 2009 April 28. These include two objects reported by Mahabal et al. (ATel #2034): CSS090426:074240+544425 = 2EG J0744+5438: Featureless blue continuum CSS090403:112403+233646 = CRATES radio source: Broad LyA, C IV emission, z ~ 2.2 We also obtained spectra of two additional possible flaring AGN, both shoeing featureless blue continua, and thus may be blazars undergoing flaring activity: CSS090403:120715-023330: Listed in SDSS as a possible QSO CSS090428:164146+121025: Not listed in NED; possibly a CV Finally, we note two additional transients detected by CRTS: CSS090428:150425+102939 was previously detected as CSS090228:150425+102939.

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