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CALIFA: a diameter-selected sample for an integral field spectroscopy galaxy survey

Journal article published in 2014 by C. J. Walcher, L. Wisotzki, S. Bekeraité, B. Husemann, J. Iglesias-Páramo, N. Backsmann, J. Barrera Ballesteros, C. Catalán-Torrecilla, C. Cortijo, A. del Olmo, B. Garcia Lorenzo, B. Garcia Lorenzo, J. Falcón-Barroso, L. Jilkova, V. Kalinova and other authors.
This paper is available in a repository.
This paper is available in a repository.

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Abstract

We describe and discuss the selection procedure and statistical properties of the galaxy sample used by the Calar Alto Legacy Integral Field Area Survey (CALIFA), a public legacy survey of 600 galaxies using integral field spectroscopy. The CALIFA "mother sample" was selected from the Sloan Digital Sky Survey (SDSS) DR7 photometric catalogue to include all galaxies with an r-band isophotal major axis between 45" and 79.2" and with a redshift 0.005 Mr > -23.1 and over a stellar mass range between 10^9.7 and 10^11.4Msun. In particular, within these ranges, the diameter selection does not lead to any significant bias against - or in favour of - intrinsically large or small galaxies. Only below luminosities of Mr = -19 (or stellar masses