Based on observations made at Cerro Tololo Interamerican Observatory-CTIO, Chile, and Laboratório Nacional de Astrofísica/CNPq, Brazil.

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...HREF="/articles/aas/full/1998/13/ds1483/footnode.html#691">

Table 1 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 National Optical Astronomy Observatories, which is operated by the Association of Universities for Research in Astronomy, Inc., under contract with the National Science Foundation.

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...(SkyView)

SkyView was developed under NASA ADP Grant NASS-32068 and under the auspices of the High Energy Astrophysics Science Archive Research Center (HEASARC) at the GSFC Laboratory for High Energy Astrophysics.

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