Measurement of Atomic Deuterium and Molecular Hydrogen 6.7 Billion Years ago in Gas of Low Metallicity - Cycle 4 High

Details Measurement of Atomic Deuterium and Molecular Hydrogen 6.7 Billion Years ago in Gas of Low Metallicity - Cycle 4 High Measurement of Atomic Deuterium and Molecular Hydrogen 6.7 Billion Years ago in Gas of Low Metallicity - Cycle 4 High

Jul 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994hst..prop.5457b&link_type=abstract

HST Proposal ID #5457

Physics

Hst Proposal Id #5457 Quasars &Amp, Agn Quasar Absorption

Scientific paper

GHRS observations of the z=0.692 absorption-line system observed in the spectrum of the quasar 3C286 will provide a determination of the deuterium abundance in relatively un-enriched gas as it was when the Universe was about one half its current age. The observation may produce the second detection of molecular hydrogen in a high redshift absorption system.

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