Plate-to-CCD Converter. II Surface Photometry of Early Type Galaxies

Details Plate-to-CCD Converter. II Surface Photometry of Early Type Galaxies Plate-to-CCD Converter. II Surface Photometry of Early Type Galaxies

Dec 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995pkas...10...31k&link_type=abstract

Publications of the Korean Astronomical Society, vol.10, no.1, p.31-55

Computer Science

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Scientific paper

We have developed a new device, Plate-to-CCD Converter(PCC), to conveniently digitize photographic plates in a relatively short time without losing any plate information (Oh et al. 1995). Using this device we have performed surface photometry of 12 early type galaxies. We determined relative orientations and scales to analyze PCC images. We also determined an ellipticity, position angle of the major axis, and a_4 of each galaxy to quantify the distribution of surface brightness. We checked the performance and limitation of this device by comparing the PCC images with those digitized by the ST microdensitometer and those obtained with CCD observations.

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