http://arxiv.org/abs/1501.01091
HI 21-cm absorption spectroscopy provides a unique probe of the cold neutral gas in normal and active galaxies from redshift z > 6 to the present day. We describe the status of HI absorption studies, the plans for pathfinders/precursors, the expected breakthroughs that will be possible with SKA1, and some limitations set by the current design.
R. Morganti, E. Sadler, S. Curran, et. al.
Wed, 7 Jan 15
3/67
Comments: 18 pages, 9 figures. To be published in: “Advancing Astrophysics with the Square Kilometre Array”, Proceedings of Science, PoS(AASKA14) 134
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