Other
Scientific paper
Sep 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008dps....40.4603e&link_type=abstract
American Astronomical Society, DPS meeting #40, #46.03; Bulletin of the American Astronomical Society, Vol. 40, p.480
Other
1
Scientific paper
We present near-infrared (J, H, K-bands) photometry of Triton obtained around the opposition of August 13, 2007 UT. Observations were conducted using a HAWAII-1 infrared camera operating at the University of Virginia's Fan Mountain Observatory's 31-inch reflector. With Neptune near a node crossing, Triton reached solar phase angles as small as 0.009 degrees. Given a heliocentric distance of 30AU, the Sun's angular radius was only 0.008 degrees. The observing campaign took place in two parts - one around opposition, and the other about a month later to characterize the light curve of Triton at these wavelengths. We measure the amplitude and angular width of the opposition surge in each near-infrared band and compare them to Triton's opposition surge in the visible (Herbert et al. 2004, BAAS 36, 1701) as well as the opposition surge of other icy bodies in the outer Solar System. Such comparisons can provide important clues to the thermal and weathering histories of these surfaces.
Earle Dante
Fox Ori
Kanneganti Srikrishna
Skrutskie Michael
Verbiscer Anne
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