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Phobos 2/ASPERA data revisited: Planetary ion escape rate from Mars near the 1989 solar maximum
Swedish Institute of Space Physics / Institutet för rymdfysik.
Swedish Institute of Space Physics / Institutet för rymdfysik.
Swedish Institute of Space Physics / Institutet för rymdfysik.
Swedish Institute of Space Physics / Institutet för rymdfysik.
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2013 (English)In: Geophysical Research Letters, ISSN 0094-8276, E-ISSN 1944-8007, Vol. 40, no 3, p. 477-481Article in journal (Refereed) Published
Abstract [en]

1] Insights about the near-Mars space environment from Mars Express observations have motivated a revisit of the Phobos 2/ASPERA ion data from 1989. We have expanded the analysis to now include all usable heavy ion (O+, O, CO) measurements from the circular orbits of Phobos 2. Phobos 2/ASPERA ion fluxes in the Martian tail are compared with previous results obtained by the instruments on Phobos 2. Further validation of the measurement results is obtained by comparing IMP-8 and Phobos 2/ASPERA solar wind ion fluxes, taking into account the time lag between Earth and Mars. Heavy ion flux measurements from 18 circular equatorial orbits around Mars are bin-averaged to a grid, using the MSE (electric field) frame of reference. The binned data are subsequently integrated to determine the total escape rate of planetary ions. From this we derive a total planetary heavy ion escape rate of (2–3) × 1025 s−1 from Mars for the 1989 solar maximum

Place, publisher, year, edition, pages
2013. Vol. 40, no 3, p. 477-481
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Industrial Electronics
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URN: urn:nbn:se:ltu:diva-10868DOI: 10.1002/grl.50149ISI: 000317831000003Scopus ID: 2-s2.0-84878168074Local ID: 9bd8cf3a-a956-4c3f-9f41-836e190fe2f3OAI: oai:DiVA.org:ltu-10868DiVA, id: diva2:983816
Note

Validerad; 2013; 20130215 (andbra)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2019-05-14Bibliographically approved

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Barabash, StasMartin del Campo B, Sergio

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