• Publications
  • Influence
The Swift gamma-ray burst mission
The Swift mission, scheduled for launch in 2004, is a multiwavelength observatory for gamma-ray burst astronomy. Expand
  • 2,353
  • 459
  • PDF
Tidal disruption of stars by black holes of 106–108 solar masses in nearby galaxies
Stars in galactic nuclei can be captured or tidally disrupted by a central black hole. Some debris would be ejected at high speed', the remainder would be swallowed by the hole, causing a brightExpand
  • 793
  • 119
Radiative Transfer in a Clumpy Universe. III. The Nature of Cosmological Ionizing Sources
The history of the transition from a neutral intergalactic medium (IGM) to one that is almost fully ionized can reveal the character of cosmological ionizing sources. We study the evolution of theExpand
  • 567
  • 106
  • PDF
Massive black hole binaries in active galactic nuclei
Most theoretical discussions of active galactic nuclei (including quasars) attribute their energy production either to an accreting black hole or to a precursor stage—for instance a dense starExpand
  • 1,019
  • 66
Dynamical effects of the cosmological constant.
The possibility of measuring the density parameter OMEGA-0 and the cosmological constant lambda-0 = LAMBDA/(3H0(2)) using dynamical tests is explored in linear and non-linear theory. In linear theoryExpand
  • 502
  • 65
We investigate the 21 cm signature that may arise from the intergalactic medium (IGM) prior to the epoch of full reionization (z > 5). In scenarios in which the IGM is reionized by discrete sourcesExpand
  • 491
  • 64
  • PDF
Optical and long wavelength afterglow from gamma-ray bursts
We discuss the evolution of cosmological gamma-ray burst remnants, consisting of the cooling and expanding fireball ejecta together with any swept-up external matter, after the gamma-ray event. WeExpand
  • 819
  • 59
  • PDF
Reionization of the Inhomogeneous Universe
A model of the density distribution in the intergalactic medium (IGM), motivated by that found in numerical simulations, is used to demonstrate the effect of a clumpy IGM and discrete sources on theExpand
  • 397
  • 50
  • PDF