Physics
Scientific paper
May 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004ycat..34230199c&link_type=abstract
VizieR On-line Data Catalog: J/A+A/423/199. Originally published in: 2004A&A...423..199C
Physics
Planetary Nebulae, Abundances: Peculiar
Scientific paper
The observations were carried out at two different observatories: at ESO/La Silla, and at LNA/Brazil. At ESO we used the 1.52m telescope and the Boller & Chivens Cassegrain spectrograph, in two observational runs: Dec./1999 and Dec./2000. at LNA, in Dec./1995, we used the 1.60 m telescope, a Boller & Chivens Cassegrain spectrograph and a combination grating+CCD. Table 1 gives the logbook of the observations and also the adopted distances d (kpc) to the Sun and galactocentric distances R (kpc).
(2 data files).
Costa Roberto D. D.
Maciel Walter J.
Uchida M. M. M.
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