Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986pasp...98.1291k&link_type=abstract
Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 98, Dec. 1986, p. 1291-1293.
Astronomy and Astrophysics
Astronomy
Abundance, Galactic Structure, Planetary Nebulae, Astronomical Photometry, Magellanic Clouds, Nitrogen, Oxygen, Spectrophotometry
Scientific paper
Spectrophotometry data for ESO 095-PN12, ESO 223-PN10, and ESO 390-GO5 obtained by Fredrick and West (1984) are analyzed. Procedures, based on Kaler's (1986) correlation, for estimating O(+)/H(+) ratios from the strengths of O I and S II forbidden lines, and electron temperatures from the nebular ionization levels are discussed and applied to the data of Fredrick and West (1984). It is observed that the composition of ESO 390-GO5 is similar to that of Magellanic Clouds, and the data reveal that this technique is useful for determining the physical characteristics of nebulae and galaxies using limited data.
Kaler James B.
Kwitter Karen B.
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