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For refcode 1994AJ....108..851R:
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1994AJ....108..851R A VOLUME-LIMITED SAMPLE OF IRAS GALAXIES TO 4000 km s^-1^. II. NEUTRAL HYDROGEN OBSERVATIONS FROM THE PARKES TELESCOPE JOSHUA ROTH Robinson Laboratory, California Institute of Technology, Pasadena, California 91125 Electronic mail: josh@deimosycaltech.edu JEREMY MOULD Mount Stromlo and Siding Spring Observatories, ANU, Weston Creek P.O., ACT 2611, Australia Electronic mail: jrm@mso.anu.edu.au LISTER STAVELEY-SMITH Australia Telescope National Facility, CSIRO, P.O. Box 76, Epping, NSW 2121, Australia Electronic mail: lstavele@atnf.csiro.au Received 1994 March 9; revised 1994 April 14 ABSTRACT We have extracted a volume-limited sample of spiral galaxies within 4000 km s^-1^ from the Strauss et al. [ApJS, 83, 29 (1992)] redshift survey of IRAS galaxies. The purpose of the sample is to use distances obtained from the neutral hydrogen/near-infrared (I-band) Tully-Fisher relation to study deviations from uniform Hubble expansion. This will allow us to estimate the distribution of mass in the local universe and to place constraints on the value of the cosmological density parameter, {OMEGA}_0_ Here we report neutral hydrogen (H I) observations of 61 galaxies from this sample taken at the 64 m Parkes telescope, 48 of which resulted in measured linewidth parameters. Empirical estimates of random and systematic errors in H I line widths at low signal-to-noise ratio are described.
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