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Interpreting large-scale redshift-space distortion measurements
The simplest theory describing large-scale redshift-space distortions (RSD), based on linear theory and distant galaxies, depends on the growth of cosmological structure, suggesting that strong tests…
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Did LIGO Detect Dark Matter?
TLDR
It is considered that the black-hole (BH) binary detected by LIGO may be a signature of dark matter, and reasonable estimates span a range that overlaps the 2-53  Gpc^{-3} yr^{-1} rate estimated from GW150914, thus raising the possibility that LigO has detected PBH dark matter.
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EMU: Evolutionary Map of the Universe
Abstract EMU is a wide-field radio continuum survey planned for the new Australian Square Kilometre Array Pathfinder (ASKAP) telescope. The primary goal of EMU is to make a deep (rms ∼ 10 μJy/beam)…
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Cosmology with the SPHEREX All-Sky Spectral Survey
SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer) ( this http URL ) is a proposed all-sky spectroscopic survey satellite designed to address all…
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A model for the cosmological evolution of low-frequency radio sources
We present a new evolutionary model that describes the population properties of radio sources at frequencies ≲5 GHz, thus complementing the De Zotti et al. model, holding at higher frequencies. We…
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Redshift-space distortions
TLDR
RSD theory is reviewed and how ubiquitous RSDs actually are is shown, and a number of potential systematic effects are considered, shamelessly highlighting recent work in which the authors have been involved.
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The clustering of galaxies in the SDSS-III DR9 Baryon Oscillation Spectroscopic Survey: constraints
We analyse the density field of 264 283 galaxies observed by the Sloan Digital Sky Surve (SDSS)-III Baryon Oscillation Spectroscopic Survey (BOSS) and included in the SDSS Data Release 9 (DR9). In…
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Measuring baryon acoustic oscillations with future SKA surveys
The imprint of baryon acoustic oscillations (BAO) in large-scale structure can be used as a standard ruler for mapping out the cosmic expansion history, and hence for testing cosmological models. In…
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Fundamental physics with the Square Kilometre Array
Abstract The Square Kilometre Array (SKA) is a planned large radio interferometer designed to operate over a wide range of frequencies, and with an order of magnitude greater sensitivity and survey…
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Constraining primordial non-Gaussianity with bispectrum and power spectrum from upcoming optical and radio surveys
We forecast constraints on primordial non-Gaussianity (PNG) and bias parameters from measurements of galaxy power spectrum and bispectrum in future radio continuum and optical surveys. In the galaxy…
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