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21cm absorption studies with the Square Kilometer Array

Kanekar, N; Briggs, Franklin

Description

HI 21-cm absorption spectroscopy provides an excellent probe of the neutral gas content of absorbing galaxies, yielding information on their kinematics, mass, physical size and ISM conditions. The high sensitivity, unrivaled frequency coverage and RFI suppression techniques of the SKA will enable it to use HI absorption to study the ISM of high column density intervening systems along thousands of lines of sight out to high redshifts. Blind SKA 21-cm surveys will yield large, unbiased absorber...[Show more]

CollectionsANU Research Publications
Date published: 2004
Type: Journal article
URI: http://hdl.handle.net/1885/80871
Source: New Astronomy Reviews
DOI: 10.1016/j.newar.2004.09.030

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