output
19942026
most citedObservation of Gravitational Waves from a Binary Black Hole Merger

14.2k citations

Showing 2020Show all

72 papers · 1 filter

astro-ph.SR2020★ 6 cited

The Missing Cool Corona in the Flat Magnetic Field around Solar Active Regions

Talwinder Singh, Alphonse C. Sterling, Ronald L. Moore

SDO/AIA images the full solar disk in several EUV bands that are each sensitive to coronal plasma emissions of one or more specific temperatures. We observe that when isolated acti…

astro-ph.SR2020★ 15 cited

Magnetic reconnections in the presence of three-dimensional magnetic nulls and quasi-separatrix layers

Sanjay Kumar, Sushree S. Nayak, Avijeet Prasad +1

Three-dimensional (3D) magnetohydrodynamic simulations are carried out to explore magnetic reconnections in the presence of 3D magnetic nulls and quasi-separatrix layers (QSLs). Th…

astro-ph.EP2020★ 7 cited

A review of simulation and performance modeling for the Roman coronagraph instrument

Ewan S. Douglas, Jaren N. Ashcraft, Ruslan Belikov +10

The Nancy Grace Roman Space Telescope Coronagraph Instrument (CGI) will be capable of characterizing exoplanets in reflected light and will demonstrate space technologies essential…

astro-ph.GA2020★ 19 cited

Unraveling the complex structure of AGN-driven outflows: V. Integral-field spectroscopy of 40 moderate-luminosity Type-2 AGNs

Rongxin Luo, Jong-Hak Woo, Marios Karouzos +6

There is an ongoing debate on whether feedback from active galactic nuclei (AGNs) can effectively regulate the star formation activities in their host galaxies. To investigate the…

astro-ph.CO2020★ 71 cited

An EAGLE view of the missing baryons

Toni Tuominen, Jukka Nevalainen, Elmo Tempel +6

Context. A significant fraction of the predicted baryons remains undetected in the local universe. We adopted the common assumption that a large fraction of the missing baryons cor…

physics.space-ph2020★ 14 cited

Estimation of turbulent heating of solar wind protons at 1AU

George Livadiotis, Maher A. Dayeh, Gary P. Zank

The paper presents a new method for deriving turbulent heating of the solar wind using plasma moments and magnetic field data. We develop the method and then apply it to compute th…

astro-ph.HE2020★ 26 cited

Revealing a peculiar supernova remnant G106.3+2.7 as a petaelectronvolt proton accelerator with X-ray observations

Chong Ge, Ruo-Yu Liu, Shu Niu +2

Supernova remnants (SNRs) have long been considered as one of the most promising sources of Galactic cosmic rays. In the SNR paradigm, petaelectronvolt (PeV) proton acceleration ma…

astro-ph.HE2020★ 18 cited

GRB 180418A: A possibly-short GRB with a wide-angle outflow in a faint host galaxy

Alicia Rouco Escorial, Wen-fai Fong, Peter Veres +20

We present X-ray and multi-band optical observations of the afterglow and host galaxy of GRB 180418A, discovered by /BAT and /GBM. We present a reanalysis…

astro-ph.IM2020★ 17 cited

The POEMMA (Probe of Extreme Multi-Messenger Astrophysics) Observatory

A. V. Olinto, J. Krizmanic, J. H. Adams +73

The Probe Of Extreme Multi-Messenger Astrophysics (POEMMA) is designed to accurately observe ultra-high-energy cosmic rays (UHECRs) and cosmic neutrinos from space with sensitivity…

astro-ph.HE2020★ 49 cited

External Inverse-Compton Emission from Low-Luminosity Gamma-Ray Bursts: Application to GRB 190829A

B. Theodore Zhang, Kohta Murase, Péter Veres +1

The detection of TeV gamma-ray bursts (GRBs) brought new opportunities for studying the physics of particle acceleration at relativistic shocks. The \hess telescopes recently obser…

astro-ph.IM2020

Extreme Universe Space Observatory on a Super Pressure Balloon 1 calibration: from the laboratory to the desert

J. H. Adams, L. Allen, R. Bachman +63

The Extreme Universe Space Observatory on a Super Pressure Balloon 1 (EUSO-SPB1) instrument was launched out of Wanaka, New Zealand, by NASA in April, 2017 as a mission of opportun…

physics.ed-ph2020

Space Public Outreach Team: Successful STEM Engagement on Complex Technical Topics

Angela Des Jardins, Joey Shapiro Key, Kathryn Williamson +5

It is the responsibility of today's scientists, engineers, and educators to inspire and encourage our youth into technical careers that benefit our society. Too often, however, thi…

astro-ph.GA2020★ 18 cited

Exploring the hot gaseous halo around an extremely massive and relativistic jet launching spiral galaxy with XMM-Newton

M. S. Mirakhor, S. A. Walker, J. Bagchi +6

We present a deep XMM-Newton observation of the extremely massive, rapidly rotating, relativistic-jet-launching spiral galaxy 2MASX J23453268-0449256. Diffuse X-ray emission from t…

astro-ph.SR2020★ 10 cited

Possible Evolution of Minifilament-Eruption-Produced Solar Coronal Jets, Jetlets, and Spicules, into Magnetic-Twist-Wave "Switchbacks" Observed by the Parker Solar Probe (PSP)

Alphonse C. Sterling, Ronald L. Moore, Navdeep K. Panesar +1

Many solar coronal jets result from erupting miniature-filament ("minifilament") magnetic flux ropes that reconnect with encountered surrounding far-reaching field. Many of those m…

astro-ph.SR2020★ 49 cited

Hot Plasma Flows and Oscillations in the Loop-top Region During the September 10 2017 X8.2 Solar Flare

Katharine K. Reeves, Vanessa Polito, Bin Chen +4

In this study, we investigate motions in the hot plasma above the flare loops during the 2017 September 10 X8.2 flare event. We examine the region to the south of the main flare ar…

cs.LG2020★ 14 cited

Deep Q-Network-based Adaptive Alert Threshold Selection Policy for Payment Fraud Systems in Retail Banking

Hongda Shen, Eren Kurshan

Machine learning models have widely been used in fraud detection systems. Most of the research and development efforts have been concentrated on improving the performance of the fr…

astro-ph.SR2020★ 56 cited

Detection of small magnetic flux ropes from the third and fourth Parker Solar Probe encounters

L. -L. Zhao, G. P. Zank, Q. Hu +22

We systematically search for magnetic flux rope structures in the solar wind to within the closest distance to the Sun of 0.13 AU, using data from the third and fourth orbits of th…

astro-ph.SR2020★ 9 cited

On the quasi-three dimensional configuration of magnetic clouds

Qiang Hu, Wen He, Jiong Qiu +2

We develop an optimization approach to model the magnetic field configuration of magnetic clouds, based on a linear-force free formulation in three dimensions. Such a solution, dub…

astro-ph.SR2020★ 4 cited

On Making Magnetic-Flux-Rope Loops for Solar Bipolar Magnetic Regions of All Sizes by Convection Cells

Ronald L. Moore, Sanjiv K. Tiwari, Navdeep K. Panesar +1

We propose that the flux-rope loop that emerges to become any bipolar magnetic region (BMR) is made by a convection cell of the -loop's size from initially-horizontal magnet…

astro-ph.IM2020★ 19 cited

Paving the Way to Future Missions: the Roman Space Telescope Coronagraph Technology Demonstration

B. Mennesson, R. Juanola-Parramon, B. Nemati +33

This document summarizes how far the Nancy Grace Roman Space Telescope Coronagraph Instrument (Roman CGI) will go toward demonstrating high-contrast imaging and spectroscopic requi…

astro-ph.SR2020★ 44 cited

Magnetohydrodynamic Simulation of Magnetic Null-point Reconnections and Coronal dimmings during the X2.1 flare in NOAA AR 11283

Avijeet Prasad, Karin Dissauer, Qiang Hu +4

The magnetohydrodynamics of active region NOAA 11283 is simulated using an initial non-force-free magnetic field extrapolated from its photospheric vector magnetogram. We focus on…

astro-ph.SR2020★ 18 cited

Do All Interplanetary Coronal Mass Ejections Have A Magnetic Flux Rope Structure Near 1 AU?

Hongqiang Song, Jie Zhang, Xin Cheng +6

Interplanetary coronal mass ejections (ICMEs) often consist of a shock wave, sheath region, and ejecta region. The ejecta regions are divided into two broad classes: magnetic cloud…

physics.space-ph2020★ 22 cited

Cross Helicity of the November 2018 Magnetic Cloud Observed by the Parker Solar Probe

S. W. Good, E. K. J. Kilpua, M. Ala-Lahti +3

Magnetic clouds are large-scale transient structures in the solar wind with low plasma , low-amplitude magnetic field fluctuations, and twisted field lines with both ends often…

physics.plasm-ph2020★ 21 cited

Kinetic Entropy-Based Measures of Distribution Function Non-Maxwellianity: Theory and Simulations

Haoming Liang, M. Hasan Barbhuiya, P. A. Cassak +4

We investigate kinetic entropy-based measures of the non-Maxwellianity of distribution functions in plasmas, i.e., entropy-based measures of the departure of a local distribution f…