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150 papers · 1 filter
Minimizing gravitational lensing contributions to the primordial bispectrum covariance
William R. Coulton, P. Daniel Meerburg, David G. Baker +3
The next generation of ground-based CMB experiments aim to measure temperature and polarization fluctuations up to over half of the sky. Combined with…
The Distribution of Ultra-Diffuse and Ultra-Compact Galaxies in the Frontier Fields
Steven R. Janssens, Roberto Abraham, Jean Brodie +2
Large low surface brightness galaxies have recently been found to be abundant in nearby galaxy clusters. In this paper, we investigate these ultra-diffuse galaxies (UDGs) in the si…
Eclipses of continuous gravitational waves as a probe of stellar structure
Pablo Marchant, Katelyn Breivik, Christopher P. L. Berry +2
Although gravitational waves only interact weakly with matter, their propagation is affected by a gravitational potential. If a gravitational wave source is eclipsed by a star, mea…
The NANOGrav 11-Year Data Set: Limits on Gravitational Wave Memory
K. Aggarwal, Z. Arzoumanian, P. T. Baker +58
The mergers of supermassive black hole binaries (SMBHBs) promise to be incredible sources of gravitational waves (GWs). While the oscillatory part of the merger gravitational wavef…
Simulation of a Compact Object with Outflows Moving Through a Gaseous Background
Xinyu Li, Philip Chang, Yuri Levin +2
A compact object moving relative to surrounding gas accretes material and perturbs the density of gas in its vicinity. In the classical picture of Bondi-Hoyle-Lyttleton accretion,…
Lensing-like tensions in the Planck legacy release
Pavel Motloch, Wayne Hu
We analyze the final release of the Planck satellite data to constrain the gravitational lensing potential in a model-independent manner. The amount of lensing determined from the…