Abundances of Planetary Nebula NGC 5315

Details Abundances of Planetary Nebula NGC 5315 Abundances of Planetary Nebula NGC 5315

Oct 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002a%26a...393..285p&link_type=abstract

Astronomy and Astrophysics, v.393, p.285-294 (2002)

Astronomy and Astrophysics

Astrophysics

24

Ism: Abundances, Planetary Nebulae: Individual: Ngc 5315

Scientific paper

The ISO and IUE spectra of the elliptical nebula NGC 5315 is 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. The HST NICMOS observations of the nebula in 3 emission lines are also presented. These observations are used to determine the helium abundance as a function of position in the nebula. A discussion is given of 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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