Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufm.p14d..02c&link_type=abstract
American Geophysical Union, Fall Meeting 2009, abstract #P14D-02
Astronomy and Astrophysics
Astronomy
[5704] Planetary Sciences: Fluid Planets / Atmospheres, [6220] Planetary Sciences: Solar System Objects / Jupiter
Scientific paper
The new impact site on Jupiter discovered by amateur astronomer Anthony Wesley in July 2009 has now been observed by many telescopes over a wide range of wavelengths. Images in the vacuum UV provide high sensitivity to small columns of aerosols from the debris cloud that re-entered the atmosphere. UV images taken over a period of days to weeks then reveal the upper atmospheric circulation, acting as a dye in the stratospheric fluid. This talk will present HST UV images of Jupiter taken with the new WFC3 instrument on July 23, August 3 and 8, and with the ACS/SBC instrument on September 8, 2009. The UV image results will be compared with the more comprehensive set of UV images taken after the S/L 9 impacts in 1994, at which time the initial pattern of the debris fallout was observed to drift in both the zonal and meridional directions. The comparison of the optical depth of aerosol absorption across a range of wavelengths also serves to constrain the particle size and its development with time.
Clarke John T.
de Pater Imke
Hammel Heidi Beth
Hueso Ricardo
Noll Keith S.
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