Jupiter and Io:The unique celestial couple

Michael, Marykutty

doi:10.1051/epn:2003301

Cited by 1 publication

(1 citation statement)

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“…Thus, for UV and VUV could be important the radiative charge exchange processes of protons from the solar wind with oxigen atoms (almost resonant case), as well as with nitrogen atoms in the upper layers of Earth's atmosphere. Similar example is the interaction of the upper layers of Iovian atmosphere with streams of weakly ionized plasma, produced by volcanic activities of its satellite Io (Michael 2003;Michael & Bhardwaj 2000). The obtained results suggest that the ion-atom collision processes with impact velocities at 100 km s −1 can be important.…”

Section: Introductionmentioning

confidence: 56%

$\mathsf{H^+}$ + H(1s) collisions at intermediate impact velocities as a new source of UV and VUV radiation

Mihajlov

Ermolaev

Ignjatović

2004

A&A

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Abstract. The process of radiative charge exchange in H + + H(1s) collisions at the intermediate ion-atom impact velocities are treated in this work as a source of continuous EM emission in the UV and VUV range. The spectral intensity of this emission is determined, within the semiclassical method developed in previous works, for the ion-atom impact energies (in the center of mass reference frame) from 0.5 keV to 12.5 keV. The results obtained show that the spectral intensity of the examined EM emission increases for several orders of magnitude when passing from the visible to the VUV range of wavelength, and that the position of the maximum of this spectral intesity drifts with increase of collision energy from λ 51 nm to λ 18 nm. These results imply that considered radiation processes may be of interest in astrophysics as a new sources of continuous short-wave EM emission.

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Section: Introductionmentioning

confidence: 56%