High Resolution Imaging Spectroscopy of H2 and H3+ Auroral Emission on Jupiter

Details High Resolution Imaging Spectroscopy of H2 and H3+ Auroral Emission on Jupiter High Resolution Imaging Spectroscopy of H2 and H3+ Auroral Emission on Jupiter

May 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003dps....35.4020r&link_type=abstract

American Astronomical Society, DPS meeting #35, #40.20; Bulletin of the American Astronomical Society, Vol. 35, p.998

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Scientific paper

On October 10-12 2000, we observed Jupiter's northern and southern auroral regions at 2 μ m with the Fourier Transform Spectrometer at the Canada-France-Hawaii Telescope, in its spectro-imaging mode (BEAR). The observations were made in two narrow filters : the first one (H3+ filter), centered at 2.09 μ m, covers the strong H3+ line at 4777 cm-1, and four other weaker H3+ lines; the second one (H2 filter) covers the H2 1-0 S(1) line at 4712 cm-1 and the H3+ 4732 cm-1 line. A total of 14 data cubes were acquired; the spectral resolution is about 25000, and the seeing-limited spatial resolution is 0.4-0.6".
We present the analysis of the 14 data cubes in terms of temperature, column density of H3+ and their spatial variations in both hemispheres. Due to the detection of 2 hot band lines in the H2 filter, we are able to constrain rotational and vibrational temperatures as well.

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