Uncertainties in 21 centimeter redshifts. I – Data

Abstract

High-precision data on the 21 cm redshifts, profile widths, and shapes for 625 galaxies are presented. Each galaxy is listed in a cross-identification and morphology table. The paper also gives high-resolution spectra for each galaxy. Internal redshift consistency is roughly 1 km s-1 for galaxies for which the S/N is above 15. No systematic effects have been found which might influence the observed redshift quantization at 72.5 km s-1 or its submultiples.


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