Research Nuggets

Simmering white dwarfs reduce their electron abundance.
Chamulak, Brown, Timmes, & Dupczak 2008

crust temperature of 1608-522

First superburst discovered from a neutron star transient.
Keek, in 't Zand, Kuulkers, Cumming, Brown, & Suzuki 2008

crystalline planes in rp-process ash

Neutron star crusts chemically separate at crystallization.
Horowitz, Berry, & Brown 2007

SNe 1994d

C-O flames burn faster in white dwarfs enriched with neon-22.
Chamulak, Brown, & Timmes 2007

Neutron star structure

Accreting neutron stars have hotter crusts than previously thought; will reduce ignition mass for superbursts.
Gupta, Brown, Schatz, Moeller, & Kratz 2007

Schematic of diffusion in a neutron star envelope

Sedimentation of CNO nuclei affects X-ray burst ignition at low accretion rates; new class of weak H-flashes predicted.
Peng, Brown, & Truran 2007

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