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An Upper Limit on Neutral Calcium in Mercury's Atmosphere

Authors :
F.A. Grosse
Donald M. Hunten
Ann L. Sprague
R. W. H. Kozlowski
Source :
Icarus. 104:33-37
Publication Year :
1993
Publisher :
Elsevier BV, 1993.

Abstract

High-resolution spectroscopic measurements of Mercury were made at 4227 A to search for neutral calcium in the atmosphere An upper limit to the intensity is 9.0 kR; the corresponding Ca column abundance is 8 atoms cm -2 with a Ca/Na ratio of

Subjects

Subjects :
MERCURE
business.industry
Analytical chemistry
chemistry.chemical_element
Astronomy and Astrophysics
Photoionization
Calcium
Atmosphere of Mercury
Mercury (element)
Optics
chemistry
Space and Planetary Science
Chondrite
Spectral resolution
business
Visible spectrum

Details

ISSN :
00191035
Volume :
104
Database :
OpenAIRE
Journal :
Icarus
Accession number :
edsair.doi...........d80b174d4bada8edf339fbff39378554
Full Text :
https://doi.org/10.1006/icar.1993.1080
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