Automated search for LSB galaxies

Details Automated search for LSB galaxies Automated search for LSB galaxies

1999-09-28

arxiv.org/abs/astro-ph/9909463v1

Astronomy and Astrophysics

Astrophysics

in the proceeding of the XLIII SAIt national conference Mem. Soc. Astr. It., in press

Scientific paper

Low Surface Brightness Galaxies (LSBGs) today constitute the less known fraction of galaxies: their number density and their physical properties (e.g. luminosity, colour, dynamics) are still largely uncertain. This is mainly due to the difficoulty in finding them (since their presence goes often unnoticed when astronomical images are analyzed with standard methods) and in measuring their properties. We present here the first results of a novel application to DPOSS plates, a project within the CRoNaRio collaboration. The aim is to build a large catalog of LSBGs, with much better understanding of completness and biases. First results are quite encouraging: in the same regions covered by existing catalogues, done on the same plates, we find several new LSBGs in addition to the known ones.

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