Absorption signatures of the heliosphere

Details Absorption signatures of the heliosphere Absorption signatures of the heliosphere

Sep 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aipc..858..335w&link_type=abstract

PHYSICS OF THE INNER HELIOSHEATH: Voyager Observations, Theory, and Future Prospects; 5th Annual IGPP International Astrophysics

Astronomy and Astrophysics

Astrophysics

2

Heliosphere/Interstellar Medium Interactions, Neutral Particles, Space-Based Ultraviolet, Optical, And Infrared Telescopes

Scientific paper

Observations of stellar H I Lyman-α lines from the Hubble Space Telescope have provided many absorption detections of neutral H in the outer heliosphere. There have recently been new detections of heliospheric absorption, and we have begun to use this additional data in combination with older detections to provide more thorough tests of heliospheric models, including new 3D models that include the effects of the interstellar magnetic field. We find that the heliospheric Lyman-α absorption predicted by the models is modestly affected by both the magnitude and orientation of the assumed ISM magnetic field, so there is potential for the absorption to provide constraints on the nature of the interstellar field in the solar neighborhood.

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