... Berkeley 25

Data in Sect. 2 is only available in electronic form at the CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) or via http://cdsweb.u-strasbg.fr/cgi-bin/qcat?J/A+A/442/917

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... IRAF

IRAF is distributed by NOAO, operated by AURA under cooperative agreement with the NSF.

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... WEBDA

http://obswww.unige.ch/webda/navigation.html and also at CDS.

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