Automated galaxy surface photometry. IV - Photometric comparisons

Details Automated galaxy surface photometry. IV - Photometric comparisons Automated galaxy surface photometry. IV - Photometric comparisons

Jan 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mnras.236..187k&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 236, Jan. 1, 1989, p. 187-206.

Astronomy and Astrophysics

Astronomy

13

Astronomical Photometry, Galaxies, Accuracy, Astronomical Photography, Calibrating, Charge Coupled Devices, Electrophotometry

Scientific paper

Galaxy surface photometry with the Automated Photographic Measuring machine has been absolutely calibrated by comparison with photoelectric photometry and CCD images. In the range faintwards of 22.5 bj mag/sq arcsec J-mu, the photometry is consistent between images to 0.05 mag, has sky subtraction errors equal to or less than 0.2 per cent corresponding to 0.05 mag uncertainty at 26 J-mu, and has random photometric errors equal to or less than 1 per cent or 0.01 mag.

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