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- Institute of AstronomyRU163 papers
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407 papers · 1 filter
On the Origin of Cores in Simulated Galaxy Clusters
N. L. Mitchell, I. G. McCarthy, R. G. Bower +2
(Abridged) The thermal state of the intracluster medium results from a competition between gas cooling and heating. The heating comes from two distinct sources: gravitational heati…
High Inclination Planets in Multistellar Systems
P. E. Verrier, N. W. Evans
The Kozai mechanism often destabilises high inclination orbits. It couples changes in the eccentricity and inclination, and drives high inclination, circular orbits to low inclinat…
An Explicit Scheme for Incorporating Ambipolar Diffusion in a Magnetohydrodynamics Code
Eunwoo Choi, Jongsoo Kim, Paul J. Wiita
We describe a method for incorporating ambipolar diffusion in the strong coupling approximation into a multidimensional magnetohydrodynamics code based on the total variation dimin…
Dynamical Simulations of the Planetary System HD69830
Matthew J. Payne, Eric B. Ford, Mark C. Wyatt +1
HD 69830 exhibits radial velocity variations attributed to three planets as well as infrared emission attributed to a warm debris disk. Previous studies have developed models for t…
Alternative Data Reduction Procedures for UVES: Wavelength Calibration and Spectrum Addition
Rodger I. Thompson, Jill Bechtold, John H. Black +1
This paper addresses alternative procedures to the ESO supplied pipeline procedures for the reduction of UVES spectra of two quasar spectra to determine the value of the fundamenta…
A New Look at Massive Clusters: weak lensing constraints on the triaxial dark matter halos of Abell 1689, Abell 1835, & Abell 2204
Virginia L. Corless, Lindsay J. King, Douglas Clowe
Measuring the 3D distribution of mass on galaxy cluster scales is a crucial test of the LCDM model, providing constraints on the nature of dark matter. Recent work investigating ma…