The problem of background in panoramic photometry

Details The problem of background in panoramic photometry The problem of background in panoramic photometry

Sep 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979mmsai..50..457b&link_type=abstract

(Convegno sulle Metodologie di Trattamento dell'Informazione, 2nd, Trieste, Italy, Feb. 23, 24, 1979.) Società Astronomica Itali

Astronomy and Astrophysics

Astronomy

Astronomical Photometry, Background Noise, Galactic Radiation, Image Processing, Panoramic Scanning, Algorithms, Computer Programs, Density (Number/Volume), Luminosity, Photomapping

Scientific paper

The technical problem of background subtraction in surface photometry of galaxies is considered in relation to the numerical-mapping procedure that is the first step in reducing PDS scans of photographic plates. The problem of background is reviewed, and a background-subtraction algorithm is described. It is shown that with this algorithm only 42 matrix elements for a normal system must actually be evaluated.

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