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Published June 16, 2003 | Published
Journal Article Open

A search for Low Surface Brightness galaxies in the near-infrared I. Selection of the sample

Abstract

A sample of about 3800 Low Surface Brightness (LSB) galaxies was selected using the all-sky near-infrared (J, H and Ks-band) 2MASS survey. The selected objects have a mean central surface brightness within a 5" radius around their centre fainter than 18 mag arcsec^(-2) in the K_s band, making them the lowest surface brightness galaxies detected by 2MASS. A description is given of the relevant properties of the 2MASS survey and the LSB galaxy selection procedure, as well as of basic photometric properties of the selected objects. The latter properties are compared to those of other samples of galaxies, of both LSBs and "classical" high surface brightness (HSB) objects, which were selected in the optical. The 2MASS LSBs have a B_T_c - K_T colour which is on average 0.9 mag bluer than that of HSBs from the NGC. The 2MASS sample does not appear to contain a significant population of red objects.

Additional Information

© 2003 ESO. Received: 14 February 2003. Accepted: 16 April 2003. We want to thank the referee, Dr. N. Bergvall, for his comments. This publication makes use of data products from the Two Micron All Sky Survey, which is a joint project of the University of Massachusetts and the Infrared Processing and Analysis Center, funded by the National Aeronautics and Space Administration and the National Science Foundation. This research also has made use of the Lyon-Meudon Extragalactic Database (LEDA), recently incorporated in HyperLeda, the NASA/IPAC Extragalactic Database (NED) which is operated by the Jet Propulsion Laboratory, California Institute of Technology, under contract with the National Aeronautics and Space Administration and the Aladin database, operated at the CDS, Strasbourg, France. We acknowledge financial support from CNRS/NSF collaboration grant No. 10637.

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August 19, 2023
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