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95 papers · 1 filter
Understanding constraints on primordial mass black holes made of dark matter using fast radio bursts
Surajit Kalita, Shruti Bhatporia, Amanda Weltman
In recent decades, a multitude of modified gravity theories have been proposed to address a variety of cosmological and astrophysical problems. While many of these theories remain…
Prospects for measuring the Doppler magnification dipole with LSST and DESI
Isabelle Ye, Philip Bull, Caroline Guandalin +2
We forecast the detectability of the Doppler magnification dipole with a joint analysis of galaxy spectroscopic redshifts and size measurements. The Doppler magnification arises fr…
Unbiased analysis of primordial non-Gaussianity: the multipoles of the full relativistic power spectrum
Chris Addis, Sêcloka L. Guedezounme, Jessie Hammond +5
A major goal of ongoing and future cosmological surveys of the large-scale structure is to measure local type primordial non-Gaussianity in the galaxy power spectrum through the sc…
Visualising relativistic effects in redshift space distortions of large scale structure
Pritha Paul, Chris Clarkson
Observing large scale structure in redshift space gives rise to the well known redshift space distortions whereby a spherical distribution of galaxies is distorted into an ellipsoi…
Investigating the imprint of quintessence in cosmic magnification
Enas Mohamed, Didam Duniya, Hassan Abdalla +1
We study cosmic magnification beyond lensing in a late-time universe dominated by quintessence and cold dark matter. The cosmic magnification angular power spectrum, especially goi…
Angular correlation functions of bright Lyman-break galaxies at
Isabelle Ye, Philip Bull, Rebecca A. A. Bowler +3
We investigate the clustering of Lyman-break galaxies at redshifts of 3 5 within the COSMOS field by measuring the angular two-point correlation function. Our…