Rapid Variability and Annual Cycles in the Characteristic Timescale of the Scintillating Source PKS 1257-326

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Rapid Variability and Annual Cycles in the Characteristic Timescale of the Scintillating Source PKS 1257-326

Rapid radio intraday variability (IDV) has been discovered in the southern quasar PKS 1257326. Fluxdensity changes of up to 40% in as little as 45 minutes have been observed in this source, making it, along with PKS 0405385 and J1819+3845, one of the three most rapid IDV sources known. We have monit...

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Bibliographic Details
Main Authors:	Bignall, Hayley, Jauncey, D., Lovell, J., Tzioumis, A., Kedziora-Chudczer, L., Macquart, Jean-pierre, Tingay, Steven, Rayner, D., Clay, R.
Format:	Journal Article
Published:	The American Astronomical Society 2003
Subjects:	quasars radio continuum general scattering individual (PKS 1257326) ISM structure
Online Access:	http://iopscience.iop.org/0004-637X/585/2/653 http://hdl.handle.net/20.500.11937/23804

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