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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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41 papers · 2 filters
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…
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…
Photoionized emission and absorption features in the high-resolution X-ray spectra of NGC 3783
Junjie Mao, M. Mehdipour, J. S. Kaastra +14
Our Swift monitoring program triggered two joint XMM-Newton, NuSTAR and HST observations on 11 and 21 December 2016 targeting NGC 3783, as its soft X-ray continuum was heavily obsc…
Study of the X-ray pulsar IGR J19294+1816 with NuSTAR: detection of cyclotron line and transition to accretion from the cold disc
Sergey S. Tsygankov, Victor Doroshenko, Alexander A. Mushtukov +2
In the work we present the results of two deep broad-band observations of the poorly studied X-ray pulsar IGR J19294+1816 obtained with the NuSTAR observatory. The source was obser…
Radio observations of the merging galaxy cluster Abell 520
D. N. Hoang, T. W. Shimwell, R. J. van Weeren +13
We examine the possible acceleration mechanisms of the relativistic particles responsible for the extended radio emission in Abell 520. We used new LOFAR 145 MHz, archival GMRT 323…
Characterizing the radio emission from the binary galaxy cluster merger Abell 2146
D. N. Hoang, T. W. Shimwell, R. J. van Weeren +8
Collisions of galaxy clusters generate shocks and turbulence in the intra-cluster medium (ICM). The presence of relativistic particles and magnetic fields is inferred through the d…
Blazars in the LOFAR Two-Metre Sky Survey First Data Release
S. Mooney, J. Quinn, J. R. Callingham +13
Historically, the blazar population has been poorly understood at low frequencies because survey sensitivity and angular resolution limitations have made it difficult to identify m…
The intergalactic magnetic field probed by a giant radio galaxy
S. P. O'Sullivan, J. Machalski, C. L. Van Eck +27
Cosmological simulations predict that an intergalactic magnetic field (IGMF) pervades the large scale structure (LSS) of the Universe. Measuring the IGMF is important to determine…
X-ray spectroscopy of galaxy clusters: beyond the CIE modeling
Liyi Gu, Irina Zhuravleva, Eugene Churazov +3
X-ray spectra of galaxy clusters are dominated by the thermal emission from the hot intracluster medium. In some cases, besides the thermal component, spectral models require addit…
The Signature of a Windy Radio Supernova Progenitor in a Binary System
Almog Yalinewich, Simon Portegies Zwart
Type II supernova progenitors are expected to emit copious amounts of mass in a dense stellar wind prior to the explosion. When the progenitor is a member of a binary, the orbital…
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…
Timing properties of ULX pulsars: optically thick envelopes and outflows
Alexander A. Mushtukov, Adam Ingram, Matthew Middleton +2
It has recently been discovered that a fraction of ultra-luminous X-ray sources (ULXs) exhibit X-ray pulsations, and are therefore powered by super-Eddington accretion onto magneti…
Enrichment of the hot intracluster medium: observations
F. Mernier, V. Biffi, H. Yamaguchi +7
Four decades ago, the firm detection of an Fe-K emission feature in the X-ray spectrum of the Perseus cluster revealed the presence of iron in its hot intracluster medium (ICM). Wi…
A low-frequency view of mixed-morphology supernova remnant VRO 42.05.01, and its neighbourhood
M. Arias, J. Vink, M. Iacobelli +7
Mixed-morphology supernova remnants (MM SNRs) are a mysterious class of objects that display thermal X-ray emission within their radio shell. They are an older class of SNRs, and a…
Dramatic spectral transition of X-ray pulsar GX 304-1 in low luminous state
Sergey S. Tsygankov, Alicia Rouco Escorial, Valery Suleimanov +5
We report on the discovery of a dramatic change in the energy spectrum of the X-ray pulsar GX 304-1 appearing at low luminosity. Particularly, we found that the cutoff power-law sp…
Sensitivity of the KM3NeT/ARCA neutrino telescope to point-like neutrino sources
The KM3NeT Collaboration, S. Aiello, S. E. Akrame +219
KM3NeT will be a network of deep-sea neutrino telescopes in the Mediterranean Sea. The KM3NeT/ARCA detector, to be installed at the Capo Passero site (Italy), is optimised for the…
Detection of polarized gamma-ray emission from the Crab nebula with Hitomi Soft Gamma-ray Detector
Hitomi Collaboration, Felix Aharonian, Hiroki Akamatsu +191
We present the results from the Hitomi Soft Gamma-ray Detector (SGD) observation of the Crab nebula. The main part of SGD is a Compton camera, which in addition to being a spectrom…
Nitrogen abundance in the X-ray halos of clusters and groups of galaxies
Junjie Mao, J. de Plaa, J. S. Kaastra +6
Chemical abundances in the X-ray halos (also known as the intracluster medium, ICM) of clusters and groups of galaxies can be measured via prominent emission line features in their…
An ultra-fast inflow in the luminous Seyfert PG1211+143
Ken Pounds, Chris Nixon, Andrew Lobban +1
Blueshifted absorption lines in the X-ray spectra of AGN show that ultra-fast outflows with typical velocities are a common feature of these luminous objects. Such po…
X-ray Structure between the Innermost Disk and Optical Broad Line Region in NGC 4151
J. M. Miller, E. Cackett, A. Zoghbi +9
We present an analysis of the narrow Fe K-alpha line in Chandra/HETGS observations of the Seyfert AGN, NGC 4151. The sensitivity and resolution afforded by the gratings reveal asym…
Circumbinary discs around merging stellar-mass black holes
Rebecca G. Martin, Chris Nixon, Fu-Guo Xie +1
A circumbinary disc around a pair of merging stellar-mass black holes may be shocked and heated during the recoil of the merged hole, causing a near-simultaneous electromagnetic co…
Joint constraints on Galactic diffuse neutrino emission from ANTARES and IceCube
A. Albert, M. André, M. Anghinolfi +454
The existence of diffuse Galactic neutrino production is expected from cosmic ray interactions with Galactic gas and radiation fields. Thus, neutrinos are a unique messenger offeri…
Compact radio emission indicates a structured jet was produced by a binary neutron star merger
G. Ghirlanda, O. S. Salafia, Z. Paragi +33
The binary neutron star merger event GW170817 was detected through both electromagnetic radiation and gravitational waves. Its afterglow emission may have been produced by either a…
The cosmic ray shadow of the Moon observed with the ANTARES neutrino telescope
A. Albert, M. André, M. Anghinolfi +124
One of the main objectives of the ANTARES telescope is the search for point-like neutrino sources. Both the pointing accuracy and the angular resolution of the detector are importa…