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A pulsar-atmosphere model for PSR 0656+14
D. A. Lloyd, R. Perna, P. Slane +2
We present a pulsar-atmosphere (PA) model for modulated thermal X-ray emission from cooling magnetized neutron stars. The model synthesizes the spectral properties of detailed stel…
The Nature of the Ionising Background at z=2.5-5
Aaron Sokasian, Tom Abel, Lars E. Hernquist
Using radiative transfer calculations and cosmological simulations of structure formation, we study constraints that can be placed on the nature of the cosmic ultraviolet (UV) back…
The distribution of mass around galaxies
Martin White, Lars Hernquist, Volker Springel
We explore the distribution of mass about the expected sites of galaxy formation in a high-resolution hydrodynamical simulation of a LCDM cosmology which includes cooling, star-for…
Hotspot Emission from a Freely Precessing Neutron Star
Jeremy S. Heyl, Lars Hernquist
Recent observations of 1E~161348-5055, the neutron-star candidate at the center of the supernova remnant RCW 103, show that a component of its emission varies sinusoidally with a p…
On the Formation of Boxy and Disky Elliptical Galaxies
A. Burkert, Th. Naab
N-body simulations of major spiral-spiral mergers with different mass ratios q <= 4:1 are presented. All mergers lead to spheroidal stellar systems with de Vaucouleurs-like surface…
Evolution of the Galactic Potential and Halo Streamers with Future Astrometric Satellites
HongSheng Zhao, Kathryn Johnston, Lars Hernquist +1
ESA's Global Astrometric Interferometer for Astrophysics (GAIA) holds the promise of mapping out the detailed phase space structure of the Galactic halo by providing unprecedented…