Showing 1–20 of 37 results
/ Date/ Name
Apr 1, 1999The Distribution Of Heavy Elements In Spiral And Elliptical GalaxiesJun 12, 2001Sulfur, Chlorine, & Argon Abundances in Planetary Nebulae. I: Observations and Abundances in a Northern SampleJul 10, 1997On the Origin of Planetary Nebula K648 in Globular Cluster M15Aug 21, 2001Sulfur, Chlorine, and Argon in Planetary Nebulae. IIA: Observations of a Southern SampleJan 4, 2001Observational Tests Of Intermediate Mass Star Yields Using Planetary NebulaeApr 20, 2000On The Cosmic Origins Of Carbon And NitrogenJul 2, 1997Planetary Nebula Abundances, Stellar Yields, And The Galactic Evolution of C-12 and N-14Jan 4, 2001On The Cosmic Origins Of Carbon & NitrogenOct 19, 1999A New Look At Carbon Abundances In Planetary Nebulae. IV. Implications For Stellar NucleosynthesisOct 26, 2021Planetary Nebulae: Sources of EnlightenmentAug 1, 1997A New Look At Carbon Abundances In Planetary Nebulae. III. DDDM1, IC 3568, IC4593, NGC 6210, NGC 6720, NGC 6826, & NGC 7009May 27, 2003Element Yields of Intermediate-Mass StarsMay 3, 2006ELSA: An Integrated, Semi-Automated Nebular Abundance PackageMay 10, 2006The N/O Plateau of Blue Compact Galaxies: Monte Carlo Simulations of the Observed ScatterJan 30, 2008A Multiwavelength Analysis of the Halo Planetary Nebula DdDm-1Sep 10, 2010Abundances of Galactic Anticenter Planetary Nebulae and the Oxygen Abundance Gradient in the Galactic DiskSep 12, 2011The curious conundrum regarding sulfur and oxygen abundances in planetary nebulaeDec 9, 2009Empirically Derived Integrated Stellar Yields of Fe-Peak ElementsJan 6, 1999Morphology and Composition of the Helix NebulaFeb 22, 2012Abundances of PNe in the Outer Disk of M31