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astro-ph1998
Selection Effects at 21cm
F. H. Briggs
Surveys in the 21cm line of neutral hydrogen are testing the completeness of the catalogs of nearby galaxies. The remarkable observational fact is that the potential wells that con…
astro-ph1998
Redshifted 21cm Line Absorption by Intervening Galaxies
F. H. Briggs
The present generation of radio telescopes, combined with powerful new spectrometers, is opening a new age of redshifted radio absorption-line studies. Outfitting of arrays of ante…