Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999dps....31.7503h&link_type=abstract
American Astronomical Society, DPS meeting #31, #75.03
Astronomy and Astrophysics
Astronomy
Scientific paper
A method is presented to allow for the effects of dust opacity on the derivation of water-vapor abundances from observed spectral absorption lines. We show that the dust opacity can be inferred by use of limb-to-limb measurements of a CO_2 band. Ideally, simultaneous CO_2 and water vapor measurements at the same location should be obtained; in practice, these two measurements may have to be made sequentially. The effects of the dust opacity are computed by a doubling-adding program that has been applied to many problems, most recently the analysis of data obtained by the cameras on the Mars Pathfinder lander. This analysis has also yielded the phase function of the dust.
Doose Lyn R.
Hunten Don M.
Sprague Ann L.
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