output
19992026
most citedThe Astropy Project: Building an inclusive, open-science project and status of the v2.0 core package

7.7k citations

Showing 2018Show all

64 papers · 1 filter

gr-qc2018★ 18 cited

Probing neutron star structure via f-mode oscillations and damping in dynamical spacetime models

Shawn Rosofsky, Roman Gold, Cecilia Chirenti +2

Gravitational wave and electromagnetic observations can provide new insights into the nature of matter at supra-nuclear densities inside neutron stars. Improvements in electromagne…

astro-ph.HE2018★ 72 cited

Observatory science with eXTP

Jean J. M. in 't Zand, Enrico Bozzo, Jinlu Qu +181

In this White Paper we present the potential of the enhanced X-ray Timing and Polarimetry (eXTP) mission for studies related to Observatory Science targets. These include flaring s…

astro-ph.HE2018★ 135 cited

Dense matter with eXTP

Anna L. Watts, Wenfei Yu, Juri Poutanen +73

In this White Paper we present the potential of the Enhanced X-ray Timing and Polarimetry (eXTP) mission for determining the nature of dense matter; neutron star cores host an extr…

astro-ph.IM2018★ 31 cited

A strategy for LSST to unveil a population of kilonovae without gravitational-wave triggers

Igor Andreoni, Shreya Anand, Federica B. Bianco +10

We present a cadence optimization strategy to unveil a large population of kilonovae using optical imaging alone. These transients are generated during binary neutron star and pote…

astro-ph.HE2018★ 65 cited

The Impact of Radio AGN Bubble Composition on the Dynamics and Thermal Balance of the Intracluster Medium

H. -Y. K. Yang, M. Gaspari, C. Marlow

Feeding and feedback of active galactic nuclei (AGN) are critical for understanding the dynamics and thermodynamics of the intracluster medium (ICM) within the cores of galaxy clus…

astro-ph.HE2018★ 117 cited

Analysis of broad-lined Type Ic supernovae from the (intermediate) Palomar Transient Factory

F. Taddia, J. Sollerman, C. Fremling +18

We study 34 Type Ic supernovae that have broad spectral features (SNe Ic-BL). We obtained our photometric data with the Palomar Transient Factory (PTF) and its continuation, the in…

astro-ph.HE2018★ 148 cited

A long-lived neutron star merger remnant in GW170817: constraints and clues from X-ray observations

L. Piro, E. Troja, B. Zhang +12

Multi-messenger observations of GW170817 have not conclusively established whether the merger remnant is a black hole (BH) or a neutron star (NS). We show that a long-lived magneti…

astro-ph.GA2018★ 131 cited

A population of luminous accreting black holes with hidden mergers

Michael J. Koss, Laura Blecha, Phillip Bernhard +11

Major galaxy mergers are thought to play an important part in fuelling the growth of supermassive black holes. However, observational support for this hypothesis is mixed, with som…

astro-ph.HE2018★ 39 cited

Anti-glitches in the Ultraluminous Accreting Pulsar NGC 300 ULX-1 Observed with NICER

Paul S. Ray, Sebastien Guillot, Wynn C. G. Ho +13

We present evidence for three spin-down glitches (or `anti-glitches') in the ultraluminous accreting X-ray pulsar NGC 300 ULX-1 in timing observations made with the Neutron Star In…

astro-ph.HE2018★ 195 cited

The First Swift Intensive AGN Accretion Disk Reverberation Mapping Survey

R. Edelson, J. Gelbord, E. Cackett +32

Swift intensive accretion disk reverberation mapping of four AGN yielded light curves sampled 200-350 times in 0.3-10 keV X-ray and six UV/optical bands. Uniform reduction an…

astro-ph.HE2018★ 267 cited

An embedded X-ray source shines through the aspherical AT2018cow: revealing the inner workings of the most luminous fast-evolving optical transients

Raffaella Margutti, B. D. Metzger, R. Chornock +41

We present the first extensive radio to gamma-ray observations of a fast-rising blue optical transient (FBOT), AT2018cow, over its first ~100 days. AT2018cow rose over a few days t…

astro-ph.HE2018★ 114 cited

A hot and fast ultra-stripped supernova that likely formed a compact neutron star binary

K. De, M. M. Kasliwal, E. O. Ofek +24

Compact neutron star binary systems are produced from binary massive stars through stellar evolution involving up to two supernova explosions. The final stages in the formation of…

astro-ph.SR2018★ 93 cited

The Berkeley Sample of Stripped-Envelope Supernovae

Isaac Shivvers, Alexei V. Filippenko, Jeffrey M. Silverman +22

We present the complete sample of stripped-envelope supernova (SN) spectra observed by the Lick Observatory Supernova Search (LOSS) collaboration over the last three decades: 888 s…

astro-ph.HE2018★ 56 cited

GRB171205A/SN2017iuk: A local low-luminosity gamma-ray burst

V. D'Elia, S. Campana, A. D'Aì +19

Gamma-ray bursts (GRBs) occurring in the local Universe constitute an interesting sub-class of the GRB family, since their luminosity is on average lower than that of their cosmolo…

astro-ph.HE2018★ 26 cited

A Deep X-Ray Look At Abell 2142 --- Viscosity Constraints From Kelvin-Helmholtz Eddies, A Displaced Cool Peak That Makes A Warm Core, And A Possible Plasma Depletion Layer

Qian Wang, Maxim Markevitch

We analyzed 200 ks of Chandra ACIS observations of the merging galaxy cluster A2142 to examine its prominent cold fronts in detail. We find that the southern cold front exhibits we…

astro-ph.HE2018★ 153 cited

Very high energy particle acceleration powered by the jets of the microquasar SS 433

HAWC Collaboration, A. U. Abeysekara, A. Albert +104

SS 433 is a binary system containing a supergiant star that is overflowing its Roche lobe with matter accreting onto a compact object (either a black hole or neutron star). Two jet…

astro-ph.HE2018★ 146 cited

AT2018cow: a luminous millimeter transient

Anna Y. Q. Ho, E. Sterl Phinney, Vikram Ravi +14

We present detailed submillimeter- through centimeter-wave observations of the extraordinary extragalactic transient AT2018cow. The apparent characteristics -- the high radio lumin…

astro-ph.HE2018★ 293 cited

The Giant Radio Array for Neutrino Detection (GRAND): Science and Design

GRAND Collaboration, Jaime Alvarez-Muniz, Rafael Alves Batista +48

The Giant Radio Array for Neutrino Detection (GRAND) is a planned large-scale observatory of ultra-high-energy (UHE) cosmic particles, with energies exceeding 10^8 GeV. Its goal is…

astro-ph.GA2018★ 95 cited

The Lick AGN Monitoring Project 2011: Dynamical Modeling of the Broad-Line Region

Peter R. Williams, Anna Pancoast, Tommaso Treu +22

We present models of the H-emitting broad-line region (BLR) in seven Seyfert 1 galaxies from the Lick AGN (Active Galactic Nucleus) Monitoring Project 2011 sample, drawing infer…

astro-ph.HE2018★ 148 cited

BAT AGN Spectroscopic Survey -- XII. The relation between coronal properties of Active Galactic Nuclei and the Eddington ratio

C. Ricci, L. C. Ho, A. C. Fabian +12

The bulk of the X-ray emission in Active Galactic Nuclei (AGN) is produced very close to the accreting supermassive black hole (SMBH), in a corona of hot electrons which up scatter…

astro-ph.HE2018★ 110 cited

The Broad Absorption Line Tidal Disruption Event iPTF15af: Optical and Ultraviolet Evolution

N. Blagorodnova, S. B. Cenko, S. R. Kulkarni +16

We present multi-wavelength observations of the tidal disruption event (TDE) iPTF15af, discovered by the intermediate Palomar Transient Factory (iPTF) survey at redshift $z=0.07897…

astro-ph.SR2018★ 62 cited

A computational model for exploring particle acceleration during reconnection in macro-scale systems

J. F. Drake, H. Arnold, M. Swisdak +1

A new computational model is presented suitable for exploring the self-consistent production of energetic electrons during magnetic reconnection in macroscale systems. The equation…

astro-ph.HE2018★ 118 cited

The first tidal disruption flare in ZTF: from photometric selection to multi-wavelength characterization

Sjoert van Velzen, Suvi Gezari, S. Bradley Cenko +37

We present Zwicky Transient Facility (ZTF) observations of the tidal disruption flare AT2018zr/PS18kh reported by Holoien et al. and detected during ZTF commissioning. The ZTF ligh…

astro-ph.HE2018★ 2 cited

A UV Resonance Line Echo from a Shell Around a Hydrogen-Poor Superluminous Supernova

R. Lunnan, C. Fransson, P. M. Vreeswijk +21

Hydrogen-poor superluminous supernovae (SLSN-I) are a class of rare and energetic explosions discovered in untargeted transient surveys in the past decade. The progenitor stars and…