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bl lacertae objects: individual (pks 2240–260, pks 2233–148)

Publications of the Astronomical Society of Australia (1)

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Near Infrared Micro-variability of Radio-loud Quasars
Matthew Whiting, Alicia Oshlack, Rachel Webster
Journal:

Publications of the Astronomical Society of Australia / Volume 19 / Issue 2 / 2002

Published online by Cambridge University Press:

05 March 2013, pp. 222-227
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We observed three AGN from the Parkes Half-Jansky Flat-spectrum Sample at near infrared (NIR) wavelengths to search for micro-variability. In one source, the blue quasar PKS 2243–123, good evidence for NIR micro-variability was found. In the other two sources, PKS 2240–260 and PKS 2233–148, both BL Lacertae objects, no such evidence of variability was detected. We discuss the implications of these observations for the various mechanisms that have been proposed for micro-variability.