273 citations · 762 across the 7 of their papers we have counts for
7 papers
The Sirius System and its Astrophysical Puzzles: Hubble Space Telescope and Ground-Based Astrometry
Howard E. Bond, Gail H. Schaefer, Ronald L. Gilliland +11
Sirius, the seventh-nearest stellar system, is a visual binary containing the metallic-line A1 V star Sirius A, brightest star in the sky, orbited in a 50.13-year period by Sirius…
The Three Dimensional Evolution to Core Collapse of a Massive Star
Sean M. Couch, Emmanouil Chatzopoulos, W. David Arnett +1
We present the first three dimensional (3D) simulation of the final minutes of iron core growth in a massive star, up to and including the point of core gravitational instability a…
Preparing for an Explosion: Hydrodynamic Instabilities and Turbulence in Presupernovae
Nathan Smith, David Arnett
Both observations and direct numerical simulations are discordant with predictions of conventional stellar evolution codes for the latest stages of a massive star's life prior to c…
Evidence for Type Ia Supernova Diversity from Ultraviolet Observations with the Hubble Space Telescope
Xiaofeng Wang, Lifan Wang, Alexei V. Filippenko +93
We present ultraviolet (UV) spectroscopy and photometry of four Type Ia supernovae (SNe 2004dt, 2004ef, 2005M, and 2005cf) obtained with the UV prism of the Advanced Camera for Sur…
Time-dependent Turbulence in Stars
W. David Arnett, Casey Meakin
Three-dimensional (3D) hydrodynamic simulations of shell oxygen burning (Meakin and Arnett 2007) exhibit bursty, recurrent fluctuations in turbulent kinetic energy. These are shown…
Presupernova Structure of Massive Stars
Casey A. Meakin, Tuguldur Sukhbold, David Arnett
Issues concerning the structure and evolution of core collapse progenitor stars are discussed with an emphasis on interior evolution. We describe a program designed to investigate…
Turbulent Mixing in Stars: Theoretical Hurdles
W. David Arnett, Casey Meakin
A program is outlined, and first results described, in which fully three-dimensional, time dependent simulations of hydrodynamic turbulence are used as a basis for theoretical inve…