The Solar Ionization Rate of the Interplanetary Hydrogen as a Function of a Heliomagnetic Latitude: A New Model for the Interplanetary Lyman Alpha Studies |
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Authors: | Tuula Summanen |
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Institution: | (1) Finnish Meteorological Institute, P.O. Box 503, 00101 Helsinki, Finland |
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Abstract: | In this work we have modelled the solar wind proton flux which varies as a function of distance to the heliomagnetic equator
and its effects on the interplanetary Lyman α radiation. The results imply that a groove observed in Lyman α intensity patterns
toward the upwind direction Bertaux et al. disappears when the tilt angle of the heliomagnetic equator is larger than 20°.The observations by Bertaux et al. were measured during the solar wind minimum when the tilt angle of the streamer belt is low. During the solar wind maximum
when the tilt angle of the streamer belt is large the Lyman α groove should disappear according to our results.
This revised version was published online in July 2006 with corrections to the Cover Date. |
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