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20082026
most citedFirst M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole

4.3k citations

Showing 2021Show all

103 papers · 1 filter

cond-mat.str-el2021★ 3 cited

Persistence of Ising-like easy-axis spin correlations in the paramagnetic state of the spin-1 chain compound NiTeO

Seung-Ho Baek, Jun Han Lee, Yoon Seok Oh +2

A Te nuclear magnetic resonance (NMR) study was carried out in the paramagnetic state of the recently discovered quasi-one-dimensional spin-1 chain compound NiTeO.…

astro-ph.GA2021★ 45 cited

The Prevalence of Galaxy Overdensities Around UV-Luminous Lyman Emitters in the Epoch of Reionization

E. Leonova, P. A. Oesch, Y. Qin +19

Before the end of the epoch of reionization, the Hydrogen in the Universe was predominantly neutral. This leads to a strong attenuation of Ly lines of galaxies in th…

cond-mat.mes-hall2021★ 24 cited

Tracing out the Berry curvature dipole and multipoles in second harmonic Hall responses of time-reversal symmetric insulators

Mahmut Sait Okyay, Shunsuke Sato, Kunwoo Kim +3

Various nonlinear characteristics of solid states, such as the circular photogalvanic effect of time-reversal symmetric insulators, the quantized photogalvanic effect of Weyl semim…

astro-ph.GA2021★ 4 cited

Effects of Forcing on Shocks and Energy Dissipation in Interstellar and Intracluster Turbulences

Hyunjin Cho, Dongsu Ryu, Hyesung Kang

Observations indicate that turbulence in the interstellar medium (ISM) is supersonic () and strongly magnetized (), while in the intracluster medium…

physics.acc-ph2021

Benchmarking Collective Effects of Electron Interactions in a Wiggler with OPAL-FEL

Arnau Albà, Jimin Seok, Andreas Adelmann +9

OPAL-FEL is a recently developed tool for the modeling of particle accelerators containing wigglers or undulators. It extends the well established 3D electrostatic particle-trackin…

gr-qc2021★ 74 cited

Narrowband searches for continuous and long-duration transient gravitational waves from known pulsars in the LIGO-Virgo third observing run

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1658

Isolated neutron stars that are asymmetric with respect to their spin axis are possible sources of detectable continuous gravitational waves. This paper presents a fully-coherent s…

gr-qc2021★ 133 cited

Tests of General Relativity with GWTC-3

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1682

The ever-increasing number of detections of gravitational waves (GWs) from compact binaries by the Advanced LIGO and Advanced Virgo detectors allows us to perform ever-more sensiti…

astro-ph.GA2021★ 83 cited

H-alpha emission in local galaxies: star formation, time variability and the diffuse ionized gas

Sandro Tacchella, Aaron Smith, Rahul Kannan +6

The nebular recombination line H is widely used as a star-formation rate (SFR) indicator in the local and high-redshift Universe. We present a detailed H radiative transfer s…

astro-ph.GA2021★ 11 cited

VERA astrometry toward the Perseus arm gap

Nobuyuki Sakai, Hiroyuki Nakanishi, Kohei Kurahara +4

The Perseus arm has a gap in Galactic longitudes (l) between 50 and 80 deg (hereafter the Perseus arm gap) where the arm has little star formation activity. To better understand th…

astro-ph.HE2021★ 13 cited

Electron Preacceleration at Weak Quasi-perpendicular Intracluster Shocks: Effects of Preexisting Nonthermal Electrons

Ji-Hoon Ha, Dongsu Ryu, Hyesung Kang +1

Radio relics in the outskirts of galaxy clusters imply the diffusive shock acceleration (DSA) of electrons at merger-driven shocks with Mach number in the intrac…

astro-ph.CO2021★ 247 cited

Constraints on the cosmic expansion history from GWTC-3

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1676

We use 47 gravitational-wave sources from the Third LIGO-Virgo-KAGRA Gravitational-Wave Transient Catalog (GWTC-3) to estimate the Hubble parameter , including its current va…

astro-ph.HE2021★ 4 cited

Observation of Variations in Cosmic Ray Single Count Rates During Thunderstorms and Implications for Large-Scale Electric Field Changes

R. U. Abbasi, T. Abu-Zayyad, M. Allen +160

We present the first observation by the Telescope Array Surface Detector (TASD) of the effect of thunderstorms on the development of cosmic ray single count rate intensity over a 7…

physics.optics2021★ 10 cited

Cavity Amplified Scattering Spectroscopy reveals the dynamics of proteins and nanoparticles in quasi-transparent and miniature samples

Guillaume Graciani, John T. King, Francois Amblard

Dynamic light scattering techniques are routinely used for numerous industrial and research applications, because they can give access to the motion spectrum of micro- and nano-obj…

astro-ph.HE2021★ 41 cited

Search for Gravitational Waves Associated with Gamma-Ray Bursts Detected by Fermi and Swift During the LIGO-Virgo Run O3b

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1632

We search for gravitational-wave signals associated with gamma-ray bursts detected by the Fermi and Swift satellites during the second half of the third observing run of Advanced L…

astro-ph.SR2021

Isotopic Compositions of Ruthenium Predicted from the NuGrid Project

Seonho Kim, Kwang Hyun Sung, Kyujin Kwak

The isotopic compositions of ruthenium (Ru) are measured from presolar silicon carbide (SiC) grains. In a popular scenario, the presolar SiC grains formed in the outskirt of an asy…

cs.LG2021

Testing using Privileged Information by Adapting Features with Statistical Dependence

Kwang In Kim, James Tompkin

Given an imperfect predictor, we exploit additional features at test time to improve the predictions made, without retraining and without knowledge of the prediction function. This…

astro-ph.HE2021★ 6 cited

Investigation of the timing and spectral properties of an Ultra-luminous X-ray pulsar NGC 7793 P13

Lupin Chun-Che Lin, Chin-Ping Hu, Jumpei Takata +3

We perform both timing and spectral analyses using the archival X-ray data taken with Swift, XMM-Newton, NICER, and NuSTAR from 2016 to 2020 to study an ultra-luminous pulsar, NGC…

astro-ph.HE2021★ 96 cited

All-sky search for gravitational wave emission from scalar boson clouds around spinning black holes in LIGO O3 data

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1669

This paper describes the first all-sky search for long-duration, quasi-monochromatic gravitational-wave signals emitted by ultralight scalar boson clouds around spinning black hole…

gr-qc2021★ 40 cited

Search of the Early O3 LIGO Data for Continuous Gravitational Waves from the Cassiopeia A and Vela Jr. Supernova Remnants

The LIGO Scientific Collaboration, the Virgo Collaboration, R. Abbott +1411

We present directed searches for continuous gravitational waves from the neutron stars in the Cassiopeia A (Cas A) and Vela Jr. supernova remnants. We carry out the searches in the…

astro-ph.HE2021★ 74 cited

Searches for Gravitational Waves from Known Pulsars at Two Harmonics in the Second and Third LIGO-Virgo Observing Runs

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1694

We present a targeted search for continuous gravitational waves (GWs) from 236 pulsars using data from the third observing run of LIGO and Virgo (O3) combined with data from the se…

astro-ph.CO2021★ 69 cited

MeerKAT view of the diffuse radio sources in Abell 3667 and their interactions with the thermal plasma

F. de Gasperin, L. Rudnick, A. Finoguenov +11

During their lifetime, galaxy clusters grow through the accretion of matter from the filaments of the large scale structure and from mergers with other clusters. These mergers rele…

astro-ph.GA2021★ 212 cited

On the Stellar Populations of Galaxies at z=9-11: The Growth of Metals and Stellar Mass at Early Times

Sandro Tacchella, Steven L. Finkelstein, Micaela Bagley +18

We present a detailed stellar population analysis of 11 bright () galaxies at (three spectroscopically confirmed) to constrain the chemical enrichment and growth o…

astro-ph.CO2021★ 40 cited

Deep low-frequency radio observations of Abell 2256 I: The filamentary radio relic

K. Rajpurohit, R. J. van Weeren, M. Hoeft +22

We present deep and high fidelity images of the merging galaxy cluster Abell 2256 at low frequencies, using the upgraded Giant Metrewave Radio Telescope (uGMRT) and LOw-Frequency A…

astro-ph.CO2021★ 25 cited

Turbulent magnetic fields in the merging galaxy cluster MACS J0717.5+3745: polarization analysis

K. Rajpurohit, M. Hoeft, D. Wittor +20

We present wideband polarimetric observations, obtained with the Karl G. Jansky Very Large Array (VLA), of the merging galaxy cluster MACS J0717.5+3745, which hosts one of the most…