Mathematics – Logic
Scientific paper
Dec 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997hst..prop.7248s&link_type=abstract
HST Proposal ID #7248
Mathematics
Logic
Hst Proposal Id #7248 Young Stars And Circumstellar Material
Scientific paper
Little is known about the Beta Pictoris disk within 50 AU of the central star. No near-infrared spectrophotometry or polarimetry exists within this dynamically interesting region, which is about the same size as our own solar system and which appears to be relatively depleted of disk material. We will do grism spectroscopy and polarimetry of the disk from within 5 AU of the star to the outer limits of the disk as determined by the total integration time. Such observations should help to characterize the chemical and physical properties of the disk particles as a function of their distance from the star. By moving the star close to the edge of the coronagraphic hole, it may be possible to observe the disk as close as 2 AU from the star. A sequence of 3 images with small offsets within the coronagraphic hole will be made using the F110W and F160W filters. These observations are expected to provide photometric, color and morphological properties of the very inner parts of the disk.
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