Analysis of ENA Intensities and Spectra (0.6 to 55 keV) from the Nose and Tail Regions of the Heliosheath: Observations from IBEX and Cassini/INCA

Details Analysis of ENA Intensities and Spectra (0.6 to 55 keV) from the Nose and Tail Regions of the Heliosheath: Observations from IBEX and Cassini/INCA Analysis of ENA Intensities and Spectra (0.6 to 55 keV) from the Nose and Tail Regions of the Heliosheath: Observations from IBEX and Cassini/INCA

Dec 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufmsh21b1503d&link_type=abstract

American Geophysical Union, Fall Meeting 2009, abstract #SH21B-1503

Physics

[2114] Interplanetary Physics / Energetic Particles, [2124] Interplanetary Physics / Heliopause And Solar Wind Termination, [2126] Interplanetary Physics / Heliosphere/Interstellar Medium Interactions, [2151] Interplanetary Physics / Neutral Particles

Scientific paper

The IBEX-Hi instrument images hydrogen ENAs from the heliosheath in 6 energy channels 0.6-6.0 keV, while Cassini/INCA extends the energy range with four more channels 6-55 keV. Both instruments produce skymaps for different energies with pixel resolution ~7°x7°. We analyze the energy-dependent spatial features in both the ENA intensity and the related spectral slope, concentrating on the regions about the upwind (nose) and downwind (tail) directions relative to the flow of the local interstellar plasma produced by the relative motion of the solar system. These regions traditionally attracted special attention in the modeling of the global heliospheric interaction and highlight important physical processes.

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