Tag Archives: ionization. metallicities

The Curious Conundrum Regarding Sulfur Abundances In Planetary Nebulae

R.B.C. Henry (1), Angela Speck (2), Amanda I. Karakas (3), Gary J. Ferland (4), Mason Maguire (5) ((1) University of Oklahoma, Norman, OK; (2) University of Missouri, Columbia, MO, USA; (3) Mount Stromlo Observatory,  Australia; (4)  University of Kentucky, Lexington, … Continue reading

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