Optical spectra and redshifts for seventy-one galaxies

Details Optical spectra and redshifts for seventy-one galaxies Optical spectra and redshifts for seventy-one galaxies

Aug 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982mnras.200..621c&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 200, Aug. 1982, p. 621-644.

Physics

Optics

18

Absorption Spectra, Astronomical Spectroscopy, Emission Spectra, Line Spectra, Red Shift, Visible Spectrum, Cassegrain Optics, Galactic Clusters, Night Sky, Radio Galaxies, Reflecting Telescopes, Spiral Galaxies, Virgo Galactic Cluster

Scientific paper

Spectra of 71 galaxies, including 30 Indus galaxies, have been obtained with an image tube spectrograph at Cassegrain focus of the 1.9-m telescope of the South African Astronomical Observatory at a reciprocal dispersion of 215 A/mm. Complete lists of absorption features and emission lines have been compiled, and redshifts have been derived with external mean errors of the order of plus or minus 60 km/s. The results support Sandage's (1975) findings of systematic differences between H I radio and optical redshifts; some redshift values tend to support suggestions of the cell structure of the Coma Supercluster

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