A Microdensitometer for Astronomy and Other Research at the University of Virginia
{'Code': '03020500', 'Directorate': {'Abbreviation': 'MPS', 'LongName': 'Direct For Mathematical & Physical Scien'}, 'Division': {'Abbreviation': 'AST', 'LongName': 'Division Of Astronomical Sciences'}}
{'SignBlockName': 'Benjamin B. Snavely', 'PO_EMAI': None, 'PO_PHON': None}
The Astronomy Department of the University of Virginia intends to               acquire a Perkin.Elmer PDS microdensitometer and accessories.  The              PDS will be used primarily in conjunction with the large (over                  146,000) collection of astrometric plates in the files of the                   Leander McCormick Observatory.  The measuring engine with a laser               interferometry coordinate readout will improve accuracy and                     productivity in the existing astrometric programs. The astrometric              projects which will benefit most from the PDS include:  1) studies              of parallaxes of Hyades cluster members, white dwarfs and the                   population II main sequence stars; and 2) analysis of astrometric               binaries.  Studies where the PDS system will contribute to ongoing              research in the department include:  1) surface photometry in                   faint outlying regions of spiral galaxies; 2) determinations of                 the luminosity function for clusters of galaxies; 3) detection and              measurement of Hydrogen alpha from emission line galaxies in                    clusters; and 4) analysis of ground-based optical data of                       interesting ultraviolet (UV) sources found in the Ultraviolet                   Imaging Telescope program.
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{'Code': '1218', 'Text': 'ADVANCED TECHNOLOGIES & INSTRM'}
{'url': 'https://www.nsf.gov/awardsearch/download?DownloadFileName=1987&All=true', 'xml': '8718867.xml'}