New Cloud Activity on Uranus in 2004: First Detection of a Southern Feature at 2.2 microns
On 4 July 2004 UT, we detected one of Uranus' southern hemispheric features at K' (2.2 {micro}m); this is the first such detection in half a decade of adaptive optics imaging of Uranus at the Keck 10-m telescope. When we observed again on 8 July UT the core had faded, and by 9 July UT it was not seen at K' and barely detectable at H. The detection and subsequent disappearance of the feature indicates rapid dynamical processes in the localized vertical aerosol structure.
- Research Organization:
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 15016781
- Report Number(s):
- UCRL-JRNL-211286; TRN: US200516%%93
- Journal Information:
- Icarus, Vol. 175
- Country of Publication:
- United States
- Language:
- English
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