Based on observations taken at the Observatorio Astronómico Nacional (Mexico), the OHP (France), Calar Alto and NOT (Spain) observatories.

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Table 4 is only available in electronic form at http://www.edpsciences.org

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... STSDAS

IRAF is the Image Analysis and Reduction Facility made available to the astronomical community by the National Optical Astronomy Observatories, which are operated by AURA, Inc., under contract with the U.S. National Science Foundation. STSDAS is distributed by the Space Telescope Science Institute, which is operated by the Association of Universities for Research in Astronomy (AURA), Inc., under NASA contract NAS 5-26555.

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