A search for Low Surface Brightness galaxies in the near-infrared

Free access article

Issue		A&A Volume 405, Number 1, July I 2003


Page(s)		99 - 109
Section		Galactic structure and dynamics
DOI		http://dx.doi.org/10.1051/0004-6361:20030585

A&A 405, 99-109 (2003)
DOI: 10.1051/0004-6361:20030585

I. Selection of the sample

D. Monnier Ragaigne¹, W. van Driel¹, S. E. Schneider², T. H. Jarrett³ and C. Balkowski¹

¹ Observatoire de Paris, GEPI, CNRS UMR 8111 and Université Paris 7, 5 place Jules Janssen, 92195 Meudon Cedex, France
    e-mail: delphine.ragaigne@obspm.fr; wim.vandriel@obspm.fr; chantal.balkowski@obspm.fr
² University of Massachusetts, Astronomy Program, 536 LGRC, Amherst, MA 01003, USA
    e-mail: schneide@messier.astro.umass.edu
³ IPAC, Caltech, MS 100-22, 770 South Wilson Ave., Pasadena, CA 91125, USA
    e-mail: jarrett@ipac.caltech.edu

(Received 14 February 2003 / Accepted 16 April 2003 )

Abstract
A sample of about 3800 Low Surface Brightness (LSB) galaxies was selected using the all-sky near-infrared ( J, H and $K_{\rm s}$ -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 $K_{\rm s}$ 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 $B_{\rm T_{c}}-K_{\rm T}$ 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.

Key words: galaxies: fundamental parameters -- galaxies: general -- galaxies: photometry -- infrared: galaxies

Offprint request: W. van Driel, wim.vandriel@obspm.fr

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