Abundances of planetary nebulae NGC 40 and NGC 6153

Details Abundances of planetary nebulae NGC 40 and NGC 6153 Abundances of planetary nebulae NGC 40 and NGC 6153

Oct 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003a%26a...409..599p&link_type=abstract

Astronomy and Astrophysics, v.409, p.599-609 (2003)

Astronomy and Astrophysics

Astrophysics

16

Ism: Abundances, Planetary Nebulae: Individual: Ngc 40, Ngc 6153, Infrared: Ism, Ism: Lines And Bands

Scientific paper

The ISO and IUE spectra of the elliptical nebulae NGC 40 and NGC 6153 are presented. These spectra are combined with the spectra in the visual wavelength region to obtain a complete, extinction corrected, spectrum. The chemical composition of the nebulae is then calculated and compared to previous determinations. A discussion is given of: (1) the recombination line abundances, (2) the exciting stars of the nebulae, and (3) possible evolutionary effects.
Based on observations with ISO, an ESA project with instruments funded by ESA Member States (especially the PI countries: France, Germany, The Netherlands and the UK) and with the participation of ISAS and NASA.

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