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2001MNRAS.326.1049L - Mon. Not. R. Astron. Soc., 326, 1049-1056 (2001/September-3)
Chemical abundances of planetary nebulae from optical recombination lines - II. The neon abundance of NGC 7009.
LUO S.-G., LIU X.-W. and BARLOW M.J.
Abstract (from CDS):
For NGC 7009, the total neon abundances derived from the CELs and ORLs, on a logarithmic scale where H=12.0, are 8.24±0.08 and 8.84±0.25, respectively. The latter is about a factor of 5.5 higher than the solar neon abundance.
Abstract Copyright: The Royal Astronomical Society
Journal keyword(s): ISM: abundances - planetary nebulae: individual: NGC 7009
Simbad objects: 9
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