604 citations · 1.5k across the 18 of their papers we have counts for
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astro-ph.GA2016★ 21 cited
Using 21-cm absorption surveys to measure the average HI spin temperature in distant galaxies
J. R. Allison, M. A. Zwaan, S. W. Duchesne +1
We present a statistical method for measuring the average HI spin temperature in distant galaxies using the expected detection yields from future wide-field 21cm absorption surveys…
astro-ph.GA2016★ 13 cited
Parsec-scale HI absorption structure in a low-redshift galaxy seen against a Compact Symmetric Object
A. D. Biggs, M. A. Zwaan, E. Hatziminaoglou +2
We present global VLBI observations of the 21-cm transition of atomic hydrogen seen in absorption against the radio source J0855+5751. The foreground absorber (SDSS~J085519.05+5751…