Observation of HD on Jupiter and the D/h Ratio

Abstract

We report a measurement of the HD (7467 A) 4-0 P(1) absorption line on Jupiter and, by comparison with the H (6367 A) 4-0 8(1) line, determine a nearly model-independent number ratio [Dj/[Hj (2.1 t 0.4) x 10- for the Jovian atmosphere. S bfrct headings: abundances, planetary - Jupiter - spectra, planetary