Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aj....103..385s&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 103, Feb. 1992, p. 385-392. Research supported by Arecibo Observatory and Kitt Peak
Astronomy and Astrophysics
Astronomy
29
H I Regions, Lyman Alpha Radiation, Red Shift, Spatial Distribution, Virgo Galactic Cluster, Emission Spectra, Local Group (Astronomy), Sky Surveys (Astronomy), Spiral Galaxies
Scientific paper
New redshifts are presented for 51 galaxies which lie in a narrow strip along the celestial equator. The redshifts are derived from a mixture of optical and H I spectra; for the latter subset (37 galaxies) H I fluxes and line widths are also given. One of the two Ly-alpha clouds in the Local Supercluster appears to be associated with a spiral galaxy, although the angular and physical separations (42 arcmin and 180 kpc) are large. The other nearby Ly-alpha cloud and the large H I cloud appear to be more isolated. None of the nine Ly-alpha clouds with velocities between 5000-20,000 km/s are associated with any specific galaxies, but most appear to fall within or near the large-scale structures defined by the galaxies.
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