934 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- The University of TokyoJP492 papers
- Kyoto UniversityJP316 papers
- Centre National de la Recherche ScientifiqueFR275 papers
- Tokyo Institute of TechnologyJP265 papers
- Hiroshima UniversityJP240 papers
- Institut National de Physique Nucléaire et de Physique des ParticulesFR239 papers
- RIKEN Nishina CenterJP216 papers
- High Energy Accelerator Research OrganizationJP213 papers
- RIKENJP205 papers
- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR201 papers
- Columbia UniversityUS199 papers
- Eötvös Loránd UniversityHU198 papers
22 papers · 2 filters
Observation of a sudden cessation of a very-high-energy gamma-ray flare in PKS 1510-089 with H.E.S.S. and MAGIC in May 2016
H. E. S. S. Collaboration, H. Abdalla, R. Adam +430
The flat spectrum radio quasar (FSRQ) PKS 1510-089 is known for its complex multiwavelength behavior, and is one of only a few FSRQs detected at very high energy (VHE, GeV…
Systematic Study of Acceleration Efficiency in Young Supernova Remnants with Nonthermal X-ray Observations
Naomi Tsuji, Yasunobu Uchiyama, Dmitry Khangulyan +1
Cutoff energy in a synchrotron radiation spectrum of a supernova remnant (SNR) contains a key parameter of ongoing particle acceleration. We systematically analyze 11 young SNRs, i…
Diving below the spin-down limit: Constraints on gravitational waves from the energetic young pulsar PSR J0537-6910
The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1589
We present a search for continuous gravitational-wave signals from the young, energetic X-ray pulsar PSR J0537-6910 using data from the second and third observing runs of LIGO and…
ALMA CO Observations of the Gamma-Ray Supernova Remnant RX J1713.7-3946: Discovery of Shocked Molecular Cloudlets and Filaments at 0.01 pc scales
H. Sano, T. Inoue, K. Tokuda +14
RX J1713.7-3946 is a unique core-collapse SNR that emits bright TeV gamma-rays and synchrotron X-rays caused by cosmic rays, in addition to interactions with interstellar gas cloud…
From supernova to supernova remnant: comparison of thermonuclear explosion models
Gilles Ferrand, Donald C. Warren, Masaomi Ono +6
Progress in the three-dimensional modeling of supernovae (SN) prompts us to revisit the supernova remnant (SNR) phase. We continue our study of the imprint of a thermonuclear explo…
Substructures in the core of Abell 2319
Y. Ichinohe, A. Simionescu, N. Werner +2
We analysed the deep archival Chandra observations of the high-temperature galaxy cluster Abell 2319 to investigate the prominent cold front in its core. The main sharp arc of the…
The Crab nebula variability at short timescales with the Cherenkov Telescope Array
Enrique Mestre, Emma de Ona Wilhelmi, Dmitry Khangulyan +3
Since 2009, several rapid and bright flares have been observed at high energies (>100 MeV) from the direction of the Crab Nebula. Several hypotheses have been put forward to explai…
An extreme particle accelerator in the Galactic plane: HESS J1826130
H. E. S. S. Collaboration, H. Abdalla, R. Adam +236
The unidentified very-high-energy (VHE; E 0.1 TeV) -ray source, HESS J1826130, was discovered with the High Energy Stereoscopic System (HESS) in the Galactic plane. The a…
Sign of hard X-ray pulsation from the gamma-ray binary system LS 5039
Hiroki Yoneda, Kazuo Makishima, Teruaki Enoto +3
To understand the nature of the brightest gamma-ray binary system LS 5039, hard X-ray data of the object, taken with the Suzaku and NuSTAR observatories in 2007 and 2016, respectiv…
Search for dark matter signals towards a selection of recently-detected DES dwarf galaxy satellites of the Milky Way with H.E.S.S
H. E. S. S. Collaboration, :, H. Abdallah +227
Dwarf spheroidal galaxy satellites of the Milky Way are prime targets for indirect detection of dark matter with gamma rays due to their proximity, high dark matter content and abs…
Resolving acceleration to very high energies along the Jet of Centaurus A
The H. E. S. S. Collaboration, :, H. Abdalla +224
The nearby radio galaxy Centaurus A belongs to a class of Active Galaxies that are very luminous at radio wavelengths. The majority of these galaxies show collimated relativistic o…
X-ray Hotspots in the Northwest Shell of the Supernova Remnant RX J1713.73946
Ryota Higurashi, Naomi Tsuji, Yasunobu Uchiyama
The supernova remnant (SNR) RX J1713.73946 is one of the best-studied accelerators of cosmic rays because of its strong nonthermal X-ray and gamma-ray radiation. We have analyze…
Physical Conditions and Particle Acceleration in the Kiloparsec Jet of Centaurus A
Takahiro Sudoh, Dmitry Khangulyan, Yoshiyuki Inoue
The non-thermal emission from the kiloparsec-scale jet of Centaurus A exhibits two notable features, bright diffuse emission and many compact knots, which have been intensively stu…
Probing the magnetic field in the GW170817 outflow using H.E.S.S. observations
H. E. S. S. Collaboration, :, H. Abdalla +230
The detection of the first electromagnetic counterpart to the binary neutron star (BNS) merger remnant GW170817 established the connection between short -ray bursts and BNS merg…
Detection of Small Flares from the Crab Nebula with Fermi-LAT
Masanori Arakawa, Masaaki Hayashida, Dmitry Khangulyan +1
Gamma radiation from the Crab pulsar wind nebula (PWN) shows significant variability at MeV energies, recently revealed with spaceborne gamma-ray telescopes. Here we repo…
Very high energy -ray emission from two blazars of unknown redshift and upper limits on their distance
H. E. S. S. Collaboration, H. Abdalla, R. Adam +225
We report on the detection of very-high-energy (VHE; GeV) -ray emission from the BL Lac objects KUV 00311-1938 and PKS 1440-389 with the High Energy Stereoscopic Syste…
Time Variability of Nonthermal X-ray Stripes in Tycho's Supernova Remnant with Chandra
Tomoyuki Okuno, Takaaki Tanaka, Hiroyuki Uchida +4
Analyzing Chandra data of Tycho's supernova remnant (SNR) taken in 2000, 2003, 2007, 2009, and 2015, we search for time variable features of synchrotron X-rays in the southwestern…
Extension of the synchrotron radiation of electrons to very high energies in clumpy environments
Dmitry Khangulyan, Felix Aharonian, Carlo Romoli +1
The synchrotron cooling of relativistic electrons is one of the most effective radiation mechanisms in astrophysics. It not only accompanies the process of particle acceleration bu…
Detection of very-high-energy γ-ray emission from the colliding wind binary η Car with H.E.S.S
H. E. S. S. Collaboration, H. Abdalla, R. Adam +231
Aims. Colliding wind binary systems have long been suspected to be high-energy (HE; 100 MeV < E < 100 GeV) γ-ray emitters. η Car is the most prominent member of this object class a…
Fast moving pulsars as probes of interstellar medium
Maxim Barkov, Maxim Lyutikov, Dmitry Khangulyan
Pulsars moving through ISM produce bow shocks detected in hydrogen H line emission. The morphology of the bow shock nebulae allows one to probe the properties of ISM on scales $…
Broadband characterisation of the very intense TeV flares of the blazar 1ES 1959+650 in 2016
MAGIC Collaboration, V. A. Acciari, S. Ansoldi +164
1ES 1959+650 is a bright TeV high-frequency-peaked BL Lac object exhibiting interesting features like "orphan" TeV flares and a broad emission in the high-energy regime, that are d…
Synchrotron Gamma-Ray Emission Model of the Giant Outburst of Quasar 3C 279 in 2015 June: Fast Reconnection or Stochastic Acceleration with Electromagnetic Cascade?
Katsuaki Asano, Masaaki Hayashida
We test the synchrotron emission scenario for the very bright gamma-ray flare of blazar 3C 279 observed in 2015 June using time-dependent numerical simulations. A bulk Lorentz fact…