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Paper: The VSOP 5 GHz Continuum Survey: The Initial Imaging Results
Volume: 340, Future Directions in High Resolution Astronomy: The 10th Anniversary of the VLBA
Page: 125
Authors: Scott, W.K.; Taylor, A.R.; Horiuchi, S.; Fomalont, E.B.; Lister, M.L.; Moellenbrock, G.A.; Dodson, R.G.; Edwards, P.G.; Hirabayashi, H.; Murata, Y.; Shen, Z.-Q.; Lovell, J.E.J.; Tingay, S.; Frey, S.; Mosoni, L.; Gurvits, L.; Paragi, Z.; Piner, G.; Fodor, S.; Coldwell, G.V.
Abstract: The VSOP mission is a Japanese-led project to image radio sources with sub-milliarcsec resolution using an orbiting 8 m telescope, HALCA,along with global arrays of Earth-based telescopes. The orbit of HALCA generates VLBI baselines that are typically two to three times longer than can be obtained with solely ground-based VLBI (Hirabayashi et al. 1998). Approximately 25% of the observing time was devoted to a survey of the brightest, compact AGN at 5 GHz—the VSOP AGN Survey. From the Survey data we have generated high resolution images, and fit simple models to the primary radio components. From the model-fit parameters the core brightness temperature of the individual sources has been calculated. A significant fraction of the sources have core brightness temperatures in excess of 1012 K in the source frame.
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