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Pryor et al. 1996

Pryor, W.R., Barth, C.A., Hord, C.W., Stewart, A.I.F., Simmons, K.E., Gebben, J.J., McClintock, W.E., Lineaweaver, S., Ajello, J.M., Tobiska, W.K., Naviaux, K.L., Edberg, S.J., White, O.R. and Sandel, B.R. (1996). Latitude variations in interplanetary Lyman-a data from the Galileo EUVS modeled with solar He 1083 nm images. Geophysical Research Letters 23: doi: 10.1029/96GL01978. issn: 0094-8276.

Observations of interplanetary Lyman-&agr; obtained by the Galileo Extreme Ultraviolet Spectrometer (EUVS) experiment near solar maximum in 1990 show a distinct migration in the upwind brightness maximum from 36¿5 ¿N to 6¿5 ¿N ecliptic latitude over a period of several months. Our earlier models based on solar Lyman-&agr; flux proxies appropriate for use in the ecliptic plane (Pryor et al., 1992; Ajello et al., 1994) capture the solar rotation effects present in the data, but do not reproduce this latitude migration. We introduce a new type of model that uses He 1083 nm images to produce a proxy for Lyman-&agr; as a function of both solar longitude and latitude. This model reproduces the observed latitude migration of the Lyman-&agr; brightness maximum. ¿ American Geophysical Union 1996

BACKGROUND DATA FILES

	Abstract

Keywords
Interplanetary Physics, Interstellar gas, Solar Physics, Astrophysics, and Astronomy, Ultraviolet emissions

Journal
Geophysical Research Letters
http://www.agu.org/journals/gl/

Publisher
American Geophysical Union
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