Physics – Optics
Scientific paper
Sep 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996dps....28.0605b&link_type=abstract
American Astronomical Society, DPS meeting #28, #06.05; Bulletin of the American Astronomical Society, Vol. 28, p.1079
Physics
Optics
Scientific paper
We used the Hubble Space Telescope (HST) to obtain images of Pluto at visible (410 nm) and ultraviolet (278 nm) wavelengths. These images were collected with the Faint Object Camera (FOC) coupled with the corrective optics (CoSTAR) between 1994 June 20 and 1994 July 1. Surface detail is evident on all images but full utilization of the dataset still requires removing the effects of the telescope PSF. We developed a technique that removes the PSF effects and stacks the resulting images into a global mosaic of Pluto's surface. The image below shows the final visible-band map obtained. The overlaid contours show the significance (in units of sigma) of the underlying albedo map. We will present additional results and interpretations based on the UV data from this dataset. We will also present additional data taken at one rotational epoch as part of the Live from the Hubble Space Telescope, a K-12 educational program supported in part by NASA, NSF, and select PBS affiliates. This second epoch of observation was our first attempt at a direct search for time-variable features on the surface of Pluto. This work was supported by STScI grant GO.5330.01-93A.
Alan Stern S.
Buie Marc William
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