Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Centre National de la Recherche ScientifiqueFR1.5k papers
- Institut National de Physique Nucléaire et de Physique des ParticulesFR1.4k papers
- Humboldt-Universität zu BerlinDE1.4k papers
- Stockholm UniversitySE1.3k papers
- The University of TokyoJP1.3k papers
- University of OxfordGB1.3k papers
- National Institute for Subatomic PhysicsNL1.3k papers
- Columbia UniversityUS1.2k papers
- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR1.2k papers
- University of WuppertalDE1.2k papers
- The University of MelbourneAU1.2k papers
- University of GlasgowGB1.2k papers
167 papers · 1 filter
Simultaneous H.E.S.S. and Chandra observations of Sagittarius A* during an X-ray flare
H. E. S. S. Collaboration, :, F. Aharonian
The rapidly varying (~10 minute timescale) non-thermal X-ray emission observed from Sgr A* implies that particle acceleration is occuring close to the event horizon of the supermas…
Very high energy gamma-ray observations of the galaxy clusters Abell 496 and Abell 85 with H.E.S.S
H. E. S. S. Collaboration, :, F. Aharonian
Aims: The nearby galaxy clusters Abell 496 and Abell 85 are studied in the very high energy (VHE, E > 100 GeV) band to investigate VHE cosmic rays (CRs) in this class of objects wh…
Status Report and Future Prospects on LUNASKA Lunar Observations with ATCA
C. W. James, R. D. Ekers, J. Alvarez-Muniz +4
LUNASKA (Lunar UHE Neutrino Astrophysics with the Square Kilometre Array) is a theoretical and experimental project developing the lunar Cherenkov technique for the next generation…
The Directional Dependence of the Lunar Cherenkov Technique for UHE Neutrino Detection
C. W. James, R. J. Protheroe
The LUNASKA (Lunar UHE Neutrino Astrophysics with the Square Kilometre Array) project is a theoretical and experimental project developing the lunar Cherenkov technique for the nex…
The energy spectrum of cosmic-ray electrons at TeV energies
H. E. S. S. Collaboration, :, F. Aharonian
The very large collection area of ground-based gamma-ray telescopes gives them a substantial advantage over balloon/satellite based instruments in the detection of very-high-energy…
Science with ASKAP - the Australian Square Kilometre Array Pathfinder
S. Johnston, R. Taylor, M. Bailes +47
[ABRIDGED VERSION] The future of cm and m-wave astronomy lies with the Square Kilometre Array (SKA), a telescope under development by a consortium of 17 countries. The SKA will be…
Limits on an Energy Dependence of the Speed of Light from a Flare of the Active Galaxy PKS 2155-304
H. E. S. S. Collaboration, :, F. Aharonian
In the past few decades, several models have predicted an energy-dependence of the speed of light in the context of quantum gravity. For cosmological sources such as active galaxie…
Discovery of gamma-ray emission from the shell-type supernova remnant RCW 86 with H.E.S.S
HESS Collaboration, F. Aharonian
The shell-type supernova remnant (SNR) RCW 86, possibly associated with the historical supernova SN 185, with its relatively large size (about 40' in diameter) and the presence of…
A search for a dark matter annihilation signal towards the Canis Major overdensity with H.E.S.S
HESS Collaboration, F. Aharonian
A search for a dark matter (DM) annihilation signal into -rays toward the direction of the Canis Major (CMa) overdensity is presented. The nature of CMa is still controversial a…
H.E.S.S. Observations of the Prompt and Afterglow Phases of GRB 060602B
HESS Collaboration, F. Aharonian
We report on the first completely simultaneous observation of a gamma-ray burst (GRB) using an array of Imaging Atmospheric Cherenkov Telescopes which is sensitive to photons in th…
The properties of the host galaxy and the immediate environment of GRB 980425 / SN 1998bw from the multi-wavelength spectral energy distribution
Michał J. Michałowski, Jens Hjorth, Daniele Malesani +7
We present an analysis of the spectral energy distribution (SED) of the galaxy ESO 184-G82, the host of the closest known long gamma-ray burst (GRB) 980425 and its associated super…
Search for Gravitational Wave Bursts from Soft Gamma Repeaters
LIGO Scientific Collaboration, S. Barthelmy, N. Gehrels +2
We present the results of a LIGO search for short-duration gravitational waves (GWs) associated with Soft Gamma Repeater (SGR) bursts. This is the first search sensitive to neutron…
Neutrinos and Gamma Rays from Galaxy Clusters
Brandon Wolfe, Fulvio Melia, Roland M. Crocker +1
The next generation of neutrino and gamma-ray detectors should provide new insights into the creation and propagation of high-energy protons within galaxy clusters, probing both th…
Interpretation of radio continuum and molecular line observations of Sgr B2: free-free and synchrotron emission, and implications for cosmic rays
R. J. Protheroe, J. Ott, R. D. Ekers +2
Recent ammonia (1,1) inversion line data on the Galactic star forming region Sgr B2 show that the column density is consistent with a radial Gaussian density profile with a standar…
Observation of the suppression of the flux of cosmic rays above 4x10^19eV
The Pierre Auger Collaboration
The energy spectrum of cosmic rays above 2.5x10^18eV, derived from 20,000 events recorded at the Pierre Auger Observatory, is described. The spectral index gamma of the flux, J ~ E…
H.E.S.S. upper limits for Kepler's supernova remnant
HESS Collaboration, F. Aharonian
Observations of Kepler's supernova remnant (G4.5+6.8) with the H.E.S.S. telescope array in 2004 and 2005 with a total live time of 13 h are presented. Stereoscopic imaging of Chere…
Search for synchrotron emission from secondary leptons in dense cold starless cores
D. I. Jones, R. J. Protheroe, R. M. Crocker
We report radio continuum observations with the Australia Telescope Compact Array of two molecular clouds. The impetus for these observations is a search for synchrotron radiation…
The optical spectrum of a large isolated polycyclic aromatic hydrocarbon: hexa-peri-hexabenzocoronene, C42H18
Damian L. Kokkin, Tyler P. Troy, Masakazu Nakajima +5
The first optical spectrum of an isolated polycyclic aromatic hydrocarbon large enough to survive the photophysical conditions of the interstellar medium is reported. Vibronic band…
CANGAROO-III Search for Gamma Rays from Kepler's Supernova Remnant
R. Enomoto, Y. Higashi, T. Yoshida +1
Kepler's supernova, discovered in October 1604, produced a remnant that has been well studied observationally in the radio, infrared, optical, and X-ray bands, and theoretically. S…
Observation of Very High Energy Gamma Rays from HESS J1804-216 with CANGAROO-III Telescopes
Y. Higashi, H. Kubo, T. Yoshida +4
We observed the unidentified TeV gamma-ray source HESS J1804-216 with the CANGAROO-III atmospheric Cerenkov telescopes from May to July in 2006. We detected very high energy gamma…
Beating the spin-down limit on gravitational wave emission from the Crab pulsar
The LIGO Scientific Collaboration, B. Abbott, R. Abbott +440
We present direct upper limits on gravitational wave emission from the Crab pulsar using data from the first nine months of the fifth science run of the Laser Interferometer Gravit…
The Directional Dependence of Apertures, Limits and Sensitivity of the Lunar Cherenkov Technique to a UHE Neutrino Flux
C. W. James, R. J. Protheroe
We use computer simulations to obtain the directional-dependence of the lunar Cherenkov technique for ultra-high energy (UHE) neutrino detection. We calculate the instantaneous eff…
Exploring a SNR/Molecular Cloud Association Within HESS J1745-303
HESS Collaboration, F. Aharonian
HESS J1745-303 is an extended, unidentified VHE (very high energy) gamma-ray source discovered using HESS in the Galactic Plane Survey. Since no obvious counterpart has previously…
Discovery of VHE gamma-rays from the high-frequency-peaked BL Lac object RGB J0152+017
HESS Collaboration, F. Aharonian
Aims: The BL Lac object RGB J0152+017 (z=0.080) was predicted to be a very high-energy (VHE; > 100 GeV) gamma-ray source, due to its high X-ray and radio fluxes. Our aim is to unde…