What is (are) the total D/H ratio(s) within 1 kpc of the Sun?

Details What is (are) the total D/H ratio(s) within 1 kpc of the Sun? What is (are) the total D/H ratio(s) within 1 kpc of the Sun?

Jun 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aspc..348...70l&link_type=abstract

Astrophysics in the Far Ultraviolet: Five Years of Discovery with FUSE ASP Conference Series, Vol. 348, Proceedings of the Confe

Astronomy and Astrophysics

Astrophysics

1

Scientific paper

I present the latest compilation of D/H measurements by FUSE and previous satellites. The most likely explanation of the wide range in the gas phase (D/H)gas values beyond the Local Bubble is deuterium depletion on to dust grains, which is supported by both theory and the correlation of (D/G)gas with iron depletion. I propose that the best value for the (D/H)total ratio (gas and dust) within 1 kps of the Sun is 23.4± 1.4 ppm, which indicates that deuterium astration has been much smaller that recent models predict.

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