Surname: Mierkiewicz
First Name: Edwin, J.
Status= studentyes
Institution: University of Wisconsin-Madison
E-mail: emierk@ssec.wisc.edu
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Title: 
Fabry-Perot Observations of the Hydrogen Geocorona
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Authors: 
E. Mierkiewicz
F. Roesler
S. Nossal
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Abstract: 
A new series of observations is underway to explore the phy-
sical processes which govern the abundance and transport of 
atomic hydrogen in the earth’s exosphere. Ground-based obs-
ervations of hydrogen’s solar excited Balmer-alpha emission 
line yield important information regarding the density, 
temperature, and kinetics of the emitting gas. Large gains 
afforded by the technique of Fabry-Perot CCD annular summing 
spectroscopy make this new set of observations possible, 
including the first detailed observations of the much 
fainter Balmer-beta line. Early results will be presented.
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Discipline Category: Geocorona