HII Galaxies as cosmological probes

Details HII Galaxies as cosmological probes HII Galaxies as cosmological probes

Nov 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000ign..confe..57t&link_type=abstract

Ionized Gaseous Nebulae. Mexico City November 21- 24, 2000, meeting abstract

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HII Galaxies show distinctive strong-narrow emission lines, and have low met al abundances in the local universe. Similar objects in all respects have been found recently up to redshifts of ~ 3. In particular, they appear to show the same correlation between the measured strength and width of their emission lines which makes them powerful cosmological probes, including studies of the chemical enrichment of the universe. I will present new results from a search for high redshift HII galaxies using a variety of detection techniques, and discuss the need for new observations.

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