... with large nitrogen excess

Tables 2-4 are also available in electronic form at the CDS via anonymous ftp tp cdsarc.u-strasbg.fr (130.79.128.5) or via http://cdsweb.u-strasbg.fr/cgi-bin/qcat?J/A+A/419/469

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... IRAF

IRAF: the Image Reduction and Analysis Facility is distributed by the National Optical Astronomy Observatory, which is operated by the Association of Universities for Research in Astronomy, In. (AURA) under cooperative agreement with the National Science Foundation (NSF).

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... MIDAS

MIDAS is an acronym for the European Southern Observatory package - Munich Image Data Analysis System.

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...çay

The Nançay Radioastronomy Station is part of the Paris Observatory and is operated by the Ministère de l'Éducation Nationale and Institut des Sciences de l'Univers of the Centre National de la Recherche Scientifique.

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