output
19952026
most citedThe Apache Point Observatory Galactic Evolution Experiment (APOGEE)

1.8k citations

Showing astro-ph.COShow all

47 papers · 1 filter

astro-ph.CO2022★ 14 cited

X-ray morphology of cluster-mass haloes in self-interacting dark matter

Xuejian Shen, Thejs Brinckmann, David Rapetti +4

We perform cosmological zoom-in simulations of relaxed cluster-mass haloes with the inclusion of adiabatic gas in the cold dark matter (CDM) and self-interacting dark matter (…

astro-ph.CO2022★ 24 cited

Constraining Warm Dark Matter and Pop III stars with the Global 21-cm Signal

Joshua J. Hibbard, Jordan Mirocha, David Rapetti +3

Upcoming ground and space-based experiments may have sufficient accuracy to place significant constraints upon high-redshift star formation, Reionization, and dark matter (DM) usin…

astro-ph.CO2021

Combining Planck and SPT cluster catalogs: cosmological analysis and impact on Planck scaling relation calibration

L. Salvati, A. Saro, S. Bocquet +41

We provide the first combined cosmological analysis of South Pole Telescope (SPT) and Planck cluster catalogs. The aim is to provide an independent calibration for Planck scaling r…

astro-ph.CO2021★ 62 cited

Cosmological Constraints from Gas Mass Fractions of Massive, Relaxed Galaxy Clusters

Adam B. Mantz, Steven W. Allen, Rebecca E. A. Canning +14

We present updated cosmological constraints from measurements of the gas mass fractions () of massive, dynamically relaxed galaxy clusters. Our new data set has greater le…

astro-ph.CO2021★ 19 cited

Improving cosmological constraints from galaxy cluster number counts with CMB-cluster-lensing data: Results from the SPT-SZ survey and forecasts for the future

P. S. Chaubal, C. L. Reichardt, N. Gupta +40

We show the improvement to cosmological constraints from galaxy cluster surveys with the addition of CMB-cluster lensing data. We explore the cosmological implications of adding ma…

astro-ph.CO2021★ 34 cited

Shocks in the Stacked Sunyaev-Zel'dovich Profiles of Clusters II: Measurements from SPT-SZ + Planck Compton-y Map

D. Anbajagane, C. Chang, B. Jain +43

We search for the signature of cosmological shocks in stacked gas pressure profiles of galaxy clusters using data from the South Pole Telescope (SPT). Specifically, we stack the la…

astro-ph.CO2021★ 50 cited

Towards Robust Constraints on Axion Dark Matter using PSR J1745-2900

R. A. Battye, J. Darling, J. McDonald +1

We apply novel, recently developed plasma ray-tracing techniques to model the propagation of radio photons produced by axion dark matter in neutron star magnetospheres and combine…

astro-ph.CO2021★ 28 cited

Lost Horizon: Quantifying the Effect of Local Topography on Global 21-cm Cosmology Data Analysis

Neil Bassett, David Rapetti, Keith Tauscher +4

We present an investigation of the horizon and its effect on global 21-cm observations and analysis. We find that the horizon cannot be ignored when modeling low frequency observat…

astro-ph.CO2021★ 65 cited

CMB/kSZ and Compton- Maps from 2500 square degrees of SPT-SZ and Planck Survey Data

L. E. Bleem, T. M. Crawford, B. Ansarinejad +37

We present component-separated maps of the primary cosmic microwave background/kinematic Sunyaev-Zel'dovich (SZ) amplitude and the thermal SZ Compton- parameter, created using d…

astro-ph.CO2020★ 24 cited

Modelling the Galactic Foreground and Beam Chromaticity for Global 21-cm Cosmology

Joshua J. Hibbard, Keith Tauscher, David Rapetti +1

In order to characterize and model the beam-weighted foreground for global 21-cm signal experiments, we present a methodology for generating basis eigenvectors that combines analyt…

astro-ph.CO2020★ 33 cited

Overdensities of Submillimetre-Bright Sources around Candidate Protocluster Cores Selected from the South Pole Telescope Survey

George Wang, Ryley Hill, S. C. Chapman +19

We present APEX-LABOCA 870 micron observations of the fields surrounding the nine brightest, high-redshift, unlensed objects discovered in the South Pole Telescope's (SPT) 2500 squ…

astro-ph.CO2020★ 111 cited

Cosmological Constraints from DES Y1 Cluster Abundances and SPT Multi-wavelength data

M. Costanzi, A. Saro, S. Bocquet +87

We perform a joint analysis of the counts of redMaPPer clusters selected from the Dark Energy Survey (DES) Y1 data and multi-wavelength follow-up data collected within the 2500 deg…

astro-ph.CO2020★ 271 cited

CMB-S4: Forecasting Constraints on Primordial Gravitational Waves

S4 Collaboration, Kevork Abazajian, Graeme E. Addison +233

CMB-S4---the next-generation ground-based cosmic microwave background (CMB) experiment---is set to significantly advance the sensitivity of CMB measurements and enhance our underst…

astro-ph.CO2020★ 46 cited

A Search for Axionic Dark Matter Using the Magnetar PSR J1745-2900

Jeremy Darling

We report on a search for dark matter axion conversion photons from the magnetosphere of the Galactic Center magnetar PSR J1745-2900 using spectra obtained from the Karl G. Jansky…

astro-ph.CO2020★ 23 cited

Primordial magnetic helicity evolution with a homogeneous magnetic field from inflation

Axel Brandenburg, Ruth Durrer, Yiwen Huang +3

Motivated by a scenario of magnetogenesis in which a homogeneous magnetic field is generated during inflation, we study the magnetohydrodynamic evolution of the primordial plasma m…

astro-ph.CO2019★ 38 cited

XXL Survey groups and clusters in the Hyper Suprime-Cam Survey. Scaling relations between X-ray properties and weak lensing mass

Mauro Sereno, Keiichi Umetsu, Stefano Ettori +13

Scaling relations trace the formation and evolution of galaxy clusters. We exploited multi-wavelength surveys -- the XXL survey at \emph{XMM-Newton} in the X-ray band, and the Hype…

astro-ph.CO2019★ 15 cited

The turbulent stress spectrum in the inertial and subinertial ranges

Axel Brandenburg, Stanislav Boldyrev

For velocity and magnetic fields, the turbulent pressure and, more generally, the squared fields such as the components of the turbulent stress tensor, play important roles in astr…

astro-ph.CO2019★ 148 cited

Numerical Simulations of Gravitational Waves from Early-Universe Turbulence

Alberto Roper Pol, Sayan Mandal, Axel Brandenburg +2

We perform direct numerical simulations of magnetohydrodynamic turbulence in the early universe and numerically compute the resulting stochastic background of gravitational waves a…

astro-ph.CO2019★ 28 cited

Tests of Gravity with Galaxy Clusters

Matteo Cataneo, David Rapetti

Changes in the law of gravity have far-reaching implications for the formation and evolution of galaxy clusters, and appear as peculiar signatures in their mass-observable relation…

astro-ph.CO2019★ 64 cited

Results from EDGES High-Band: III. New Constraints on Parameters of the Early Universe

Raul A. Monsalve, Anastasia Fialkov, Judd D. Bowman +5

We present new constraints on parameters of cosmic dawn and the epoch of reionization derived from the EDGES High-Band spectrum ( MHz). The parameters are probed by evaluat…

astro-ph.CO2018★ 4 cited

Magnetism in the Early Universe

Tina Kahniashvili, Axel Brandenburg, Arthur Kosowsky +2

Blazar observations point toward the possible presence of magnetic fields over intergalactic scales of the order of up to Mpc, with strengths of at least G…

astro-ph.CO2018★ 24 cited

Statistical Properties of Scale-Invariant Helical Magnetic Fields and Applications to Cosmology

Axel Brandenburg, Ruth Durrer, Tina Kahniashvili +2

We investigate the statistical properties of isotropic, stochastic, Gaussian distributed, helical magnetic fields characterized by different shapes of the energy spectra at large l…

astro-ph.CO2017★ 120 cited

Evolution of hydromagnetic turbulence from the electroweak phase transition

Axel Brandenburg, Tina Kahniashvili, Sayan Mandal +3

We present new simulations of decaying hydromagnetic turbulence for a relativistic equation of state relevant to the early universe. We compare helical and nonhelical cases either…

astro-ph.CO2017★ 83 cited

The turbulent chiral-magnetic cascade in the early universe

Axel Brandenburg, Jennifer Schober, Igor Rogachevskii +5

The presence of asymmetry between fermions of opposite handedness in plasmas of relativistic particles can lead to exponential growth of a helical magnetic field via a small-scale…