Other
Scientific paper
May 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aas...194.6204b&link_type=abstract
American Astronomical Society, 194th AAS Meeting, #62.04; Bulletin of the American Astronomical Society, Vol. 31, p.921
Other
Scientific paper
Before high-resolution imaging of the faint radio emission from Radio-Quiet Quasars was possible, two rival hypotheses had been proposed for the origin of the radio flux in these RQQs: i) it represented emission from a circumnuclear starburst (e.g., Terlevich et al 1995 and Sopp & Alexander 1991) or ii) it was caused by radio jets with powers considerably lower than those of Radio-Loud Quasars with comparable luminosities in the other wavebands (Miller et al. 1993). Imaging with the VLBA has provided a definitive test between these rival hypotheses, since a mere detection of a RQQ with the VLBA implies extreme brightness temperature, hence excluding the hypothesis that a starburst could be the sole source of emission. Blundell & Beasley (1998) have used the VLBA to image a sample of RQQs and I will discuss both the implications of these detections and subsequent multi-epoch observations which indicate superluminal motion in one of these radio-quiet quasars, further pointing towards a fundamental link between radio-quiet and radio-loud quasars.
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