... passage

This paper is partly based on observations obtained at the European Southern Observatory and the South African Astronomical Observatory.

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... IRAF

IRAF is distributed by the National Optical Astronomy 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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... S. Morata

data accessible at http://perso.wanadoo.fr/sdmorata/pages/7DelSco.html

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