• Publications
  • Influence
The First Galaxies in the Universe
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Birth of a relativistic outflow in the unusual γ-ray transient Swift J164449.3+573451
Active galactic nuclei, which are powered by long-term accretion onto central supermassive black holes, produce relativistic jets with lifetimes of at least one million years, and the observation ofExpand
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Periodic Flux Variability of Stars due to the Reflex Doppler Effect Induced by Planetary Companions
Upcoming space-based photometric satellites offer the possibility of detecting continuum flux variability at the micromagnitude (μmag) level. We show that the Doppler flux variability induced by theExpand
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Imprint of Inhomogeneous Hydrogen Reionization on the Temperature Distribution of the Intergalactic Medium
We study the impact of inhomogeneous hydrogen reionization on the thermal evolution of the intergalactic medium (IGM) using hydrodynamic + radiative transfer simulations where reionization isExpand
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An empirically calibrated model for interpreting the evolution of galaxies during the reionization era
We develop a simple star formation model whose goal is to interpret the emerging body of observational data of star-forming galaxies at z 6. The efficiency and duty cycle of the star formationExpand
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Constraining the unexplored period between the dark ages and reionization with observations of the global 21 cm signal
Observations of the frequency dependence of the global brightness temperature of the redshifted 21 cm line of neutral hydrogen may be possible with single dipole experiments. In this paper, weExpand
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The collision between the Milky Way and Andromeda
We use a N{body/hydrodynamic simulation to forecast the future encounter between the Milky Way and the Andromeda galaxies, given current observational constraints on their relative distance, relativeExpand
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A Runaway Black Hole in COSMOS: Gravitational Wave or Slingshot Recoil?
We present a detailed study of a peculiar source detected in the COSMOS survey at z = 0.359. Source CXOC J100043.1+020637, also known as CID-42, has two compact optical sources embedded in the sameExpand
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Probing the first stars and black holes in the early Universe with the Dark Ages Radio Explorer (DARE)
Abstract A concept for a new space-based cosmology mission called the Dark Ages Radio Explorer (DARE) is presented in this paper. DARE’s science objectives include: (1) When did the first stars form?Expand
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Identifying supermassive black hole binaries with broad emission line diagnosis
Double-peaked broad emission lines in active galactic nuclei may indicate the existence of a bound supermassive black hole (SMBH) binary where two distinct broad-line regions (BLRs) contributeExpand
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