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1993•International Astronomical Union ColloquiumOpen access

Further Progress in CCD Photometry

P. B. Stetson

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Abstract

Abstract I comment on some of the steps required to convert raw instrumental magnitudes, derived by profile-fitting or synthetic-aperture photometry from CCD images, to final calibrated photometry on a standard system. The status of the DAO program to obtain homogeneous BV photometry for star clusters and nearby galaxies will also be discussed.

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Abstract I comment on some of the steps required to convert raw instrumental magnitudes, derived by profile-fitting or synthetic-aperture photometry from CCD images, to final calibrated photometry on a standard system. The status of the DAO program to obtain homogeneous BV photometry for star clusters and nearby galaxies will also be discussed.

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Available abstract

Abstract I comment on some of the steps required to convert raw instrumental magnitudes, derived by profile-fitting or synthetic-aperture photometry from CCD images, to final calibrated photometry on a standard system. The status of the DAO program to obtain homogeneous BV photometry for star clusters and nearby galaxies will also be discussed.

Key concepts: Photometry (optics), Homogeneous, Physics, Galaxy, Astrophysics, Astronomy, Stars, Optics

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