55 citations · 71 across the 3 of their papers we have counts for
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astro-ph2008★ 14 cited
A Multiwavelength Analysis of the Halo Planetary Nebula DdDm-1
R. B. C. Henry, K. B. Kwitter, R. J. Dufour +1
We present new HST optical imagery as well as new UV and IR spectroscopic data obtained with the Hubble and Spitzer Space Telescopes, respectively, of the halo planetary nebula DdD…
astro-ph2006★ 2 cited
The Sulfur Abundance Anomaly in Planetary Nebulae
R. B. C. Henry, J. N. Skinner, K. B. Kwitter +1
The failure of S and O abundances in most planetary nebulae to display the same strong direct correlation that is observed in extragalactic H II regions represents one of the most…