Applications of high-frequency resolution, wide-field VLBI: observations of nearby star-forming galaxies & habitable exoplanetary candidates
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In this thesis, I investigate the radio source populations and properties of two nearby star-forming galaxies. In addition, I present an independent method to estimate the supernova and massive star-formation rates of star-forming galaxies. This study makes use of a new technique that allows multiple astronomical objects to be simultaneously observed via very high resolution radio interferometry. Furthermore, using this technique I develop a new method to search for evidence of extraterrestrial intelligence from habitable planetary candidates.
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Ibar, E.; Sobral, D.; Best, P.; Ivison, R.; Smail, I.; Arumugam, V.; Berta, S.; Béthermin, M.; Bock, J.; Cava, A.; Conley, A.; Farrah, D.; Geach, J.; Ikarashi, S.; Kohno, K.; Le Floc'h, E.; Lutz, D.; Magdis, G.; Magnelli, B.; Marsden, G.; Oliver, S.; Page, M.; Pozzi, F.; Riguccini, L.; Schulz, B.; Seymour, Nick; Smith, A.; Symeonidis, M.; Wang, L.; Wardlow, J.; Zemcov, M. (2013)We describe the far-infrared (far-IR; rest-frame 8–1000-μm) properties of a sample of 443 Hα-selected star-forming galaxies in the Cosmic Evolution Survey (COSMOS) and Ultra Deep Survey (UDS) fields detected by the ...
Rawlings, J.; Page, M.; Symeonidis, M.; Bock, J.; Cooray, A.; Farrah, D.; Guo, K.; Hatziminaoglou, E.; Ibar, E.; Oliver, S.; Roseboom, I.; Scott, D.; Seymour, Nick; Vaccari, M.; Wardlow, J. (2015)© 2015 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society. We separate the extragalactic radio source population above~50 µJy into active galactic nuclei (AGN) and star-forming ...
Russeil, D.; Zavagno, A.; Motte, F.; Schneider, N.; Bontemps, S.; Walsh, Andrew (2010)Context. Our knowledge of high-mass star formation has been mainly based on follow-up studies of bright sources found by IRAS, and has thus been incomplete for its earliest phases, which are inconspicuous at infrared ...