Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aspc..282..485b&link_type=abstract
Galaxies: The Third Dimension, ASP Conference Proceedings, Vol. 282. Edited by Margarita Rosado, Luc Binette, and Lorena Arias.
Astronomy and Astrophysics
Astronomy
1
Scientific paper
Radio astronomers are in a privileged position as compared to optical and near-IR observers as almost from the beginning of radioastronomical observations it proved possible to obtain spectral information at velocity resolutions of order several km/s. Currently, single dish telescopes equipped with multi-beam receivers, scanning the sky ``on the fly'', fitted with powerful digital backends (digital autocorrelators) or aperture synthesis telescopes doted with even more impressive digital crosscorrelators routinely collect stunning 3-D images across the radio window, from (sub)mm all the way to meter wavelengths. In this talk I will give a summary of the capabilities of the world's most powerful radio telescopes, show some examples of state of the art HI observations as applied to studies of the ISM in galaxies, and describe some of the radio telescopes of the future, such as the LMT, ALMA and the plans for a Square Kilometre Array (SKA).
Brinks Elias
Walter Fabian
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