Location of the bow shock and ion composition boundaries at Venus—initial determinations from Venus Express ASPERA-4

Computer Science

Scientific paper

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

12

Scientific paper

For the first time since 1992 when the Pioneer Venus Orbiter (PVO) ceased to operate, there is again a plasma instrument in orbit around Venus, namely the ASPERA-4 flown on Venus Express (inserted into an elliptical polar orbit about the planet on April 11, 2006). In this paper we report on measurements made by the ion and electron sensors of ASPERA-4 during their first five months of operation and, thereby, determine the locations of both the Venus bow shock (BS) and the ion composition boundary (ICB) under solar minimum conditions. In contrast to previous studies based on PVO data, we employ a 3-parameter fit to achieve a realistic shape for the BS. We use a different technique to fit the ICB because this latter boundary cannot be represented by a conic section. Additionally we investigate the dependence of the location of the BS on solar wind ram pressure (based on ASPERA-4 solar wind data) and solar EUV flux (using a proxy from Earth).

No associations

LandOfFree

Say what you really think

Search LandOfFree.com for scientists and scientific papers. Rate them and share your experience with other people.

Rating

Location of the bow shock and ion composition boundaries at Venus—initial determinations from Venus Express ASPERA-4 does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Location of the bow shock and ion composition boundaries at Venus—initial determinations from Venus Express ASPERA-4, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Location of the bow shock and ion composition boundaries at Venus—initial determinations from Venus Express ASPERA-4 will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFWR-SCP-O-1075826

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.