Other
Scientific paper
Apr 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003eaeja.....4219r&link_type=abstract
EGS - AGU - EUG Joint Assembly, Abstracts from the meeting held in Nice, France, 6 - 11 April 2003, abstract #4219
Other
Scientific paper
On October 10-12 2000, we observed Jupiter's northern and southern auroral regions at 2 μm 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, centered at 2.09 μm, covers the strong H_3^+ line at 4777 cm-1, and four other weaker H_3^+ lines; the second one (H_2 filter) covers the H_2 1-0 S(1) line at 4712 cm-1 and the H_3^+ 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 arcsec. We present here results from the data cubes in the H_2 filter, for the northern and the southern auroral regions. In this filter, we detect 11 H_3^+ lines, belonging to the 2ν_2 and 3ν_2-ν_2 bands. We will present the analysis of these data in terms of rotational and vibrational temperature, column density of H_3^+ and their spatial variations.
Bezard Bruno
Drossart Pierre
Fouchet Th.
Gladstone Randall G.
Lellouch Emmanuel
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