...galaxies
Based on observations made with the Nordic Optical Telescope, operated on the island of La Palma jointly by Denmark, Finland, Iceland, Norway, and Sweden, in the Spanish Observatorio del Roque de los Muchachos of the Instituto de Astrofisica de Canarias, and with the Danish 1.5-m telescope at ESO, La Silla, Chile.
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...galaxies
Table 4 is also available in electronic form at the CDS via anonymous ftp (130.79.128.5) or via http://cdsweb.u-strasbg.fr/Abstract.html
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...IRAF
IRAF is distributed by the National Optical Astronomical Observatories, which are operated by the Association of Universities for Research in Astronomy, Inc. under contract with the National Science Foundation.
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...programme
The programme containing the routines, (for historical reasons called baolab), is available at the following WWW address: http://www.astro.ku.dk/$^\sim$soeren/baolab/
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...parameter
For convenience, we define the concentration parameter as $c=r_{\rm t}/r_{\rm c}$ where $r_{\rm t}$ is the tidal radius and $r_{\rm c}$ is the core radius. In the literature it is customary to define $c=
\log(r_{\rm t}/r_{\rm c})$.
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Copyright The European Southern Observatory (ESO)