The Automated Plate Scanner Catalog of the Palomar Sky Survey - A Database Demonstration

Details The Automated Plate Scanner Catalog of the Palomar Sky Survey - A Database Demonstration The Automated Plate Scanner Catalog of the Palomar Sky Survey - A Database Demonstration

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aas...181.1304h&link_type=abstract

American Astronomical Society, 181st AAS Meeting, #13.04; Bulletin of the American Astronomical Society, Vol. 24, p.1140

Astronomy and Astrophysics

Astronomy

Scientific paper

We have just completed scanning glass duplicates of the blue and red plates in the original Palomar Observatory - National Geographic Sky Survey(POSS I) for all of the fields with b > |20|. All of the detected images are cataloged with positions, shapes, magnitudes, and colors. The stellar and non-stellar images are separated using a neural network approach. We estimate that there will be nearly a billion stellar objects and image data for several milion galaxies in the finished database. The database, including the cataloged objects and the pixel data for the non-stellar images, will be available to the scientific community on-line via Internet. We present a demonstration database of the nine POSS fields (blue and red) centered on the North Galactic Pole. Users will be able to search the database by position, magnitude, and color or by object class. A plot package and image display is also available. The Automated Plate Scanner is supported by the National Science Foundation under grant AST 91-19219.

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