H2 emissions from the outer planets

Research output: Contribution to journalArticle

23 Scopus citations

Abstract

Calculations of the H2 electronic band spectrum produced by fluorescence scattering of solar radiation are presented and compared with observations of the ultraviolet spectrum of Jupiter. The calculations demonstrate that the observed spectra are consistent with the suggestion by Yelle et al. [1987] that the bright H2 day‐glow of the outer planets is due predominantly to fluorescence of solar radiation. The calculations also demonstrate that large differences between solar scattered and electron excited spectra are evident at high spectral resolution. This fact may be used to observationally determine the relative importance of the two excitation mechanisms.

Original languageEnglish (US)
Pages (from-to)1145-1148
Number of pages4
JournalGeophysical Research Letters
Volume15
Issue number10
DOIs
StatePublished - 1988

ASJC Scopus subject areas

  • Geophysics
  • Earth and Planetary Sciences(all)

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