Assessment of a pixel-to-pixel metrological approach to the measurement of astronomical magnitudes

Details Assessment of a pixel-to-pixel metrological approach to the measurement of astronomical magnitudes Assessment of a pixel-to-pixel metrological approach to the measurement of astronomical magnitudes

Aug 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009metro..46s.228f&link_type=abstract

Metrologia, Volume 46, Issue 4, pp. S228-S232 (2009).

Computer Science

Performance

Scientific paper

This work provides a thorough insight into the performance of a new approach to the measurement of astronomical magnitudes. This new photometric procedure only considers as part of the source those pixels with a value higher than the sky background value within a specified confidence interval. The resultant procedure is robust, simple and fast, and it provides the instrumental magnitude and corresponding uncertainty for each celestial object within a CCD image. A numerical and observational comparison with the more traditional aperture photometry method is also presented.

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