Over a Quarter Million Galaxies at the North Galactic Pole

Details Over a Quarter Million Galaxies at the North Galactic Pole Over a Quarter Million Galaxies at the North Galactic Pole

May 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aas...192.5519c&link_type=abstract

American Astronomical Society, 192nd AAS Meeting, #55.19; Bulletin of the American Astronomical Society, Vol. 30, p.902

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Scientific paper

We have constructed a two-color catalog of galaxies found on the APS digitized scans of the POSS-I within 30 degrees of the North Galactic Pole (NGP). This is a complete sample of over 2.5*E(5) galaxies with major-axis diameters greater than 10 arcseconds. Evidence is presented to show that the major-axis diameters retrieved from the Minnesota Automated Plate Scanner (APS) are roughly isophotal down to an isophote of 23 magnitudes per square arcsecond. This machine built catalog is the largest catalog of galaxies with roughly isophotal diameters and provides an excellent sample for investigating the diameter function of galaxies. This survey in concert with other surveys in other bandpasses will provide critical information about the large-scale structure visible at the NGP.

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