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The Physics of Crystallization from Globular Cluster White Dwarf Stars in NGC 6397
(2009-03)
We explore the physics of crystallization in the deep interiors of white dwarf (WD) stars using the color-magnitude diagram and luminosity function constructed from proper- motion cleaned Hubble Space Telescope photometry ...
The Pulsation Modes Of The Pre-White Dwarf PG 1159-035
(2008-01)
Context. PG 1159-035, a pre-white dwarf with T-eff similar or equal to 140000 K, is the prototype of both two classes: the PG 1159 spectroscopic class and the DOV pulsating class. Previous studies of PG 1159-035 photometric ...