Radial velocities of galaxies determined from 21-cm line observations

Details Radial velocities of galaxies determined from 21-cm line observations Radial velocities of galaxies determined from 21-cm line observations

May 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981a%26as...44..217b&link_type=abstract

Astronomy and Astrophysics Supplement Series, vol. 44, May 1981, p. 217-223.

Astronomy and Astrophysics

Astronomy

29

Centimeter Waves, Galactic Rotation, Radial Velocity, Radio Astronomy, Radio Telescopes, Red Shift, Tables (Data)

Scientific paper

Radial velocities derived from 21-cm-line neutral hydrogen observations with the Nancay radio telescope are presented for 457 galaxies. Among them, 44 radial velocities are measured for the first time. The mean error of a determination is typically 20 km/s; comparisons with other 21-cm redshift determinations and with optical ones confirm the greater accuracy of the radio data.

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