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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…
Observation of an extended VHE gamma-ray emission from MSH 15-52 with CANGAROO-III
T. Nakamori, H. kubo, T. Yoshida +2
We have observed the supernova remnant MSH 15-52 (G320.4-1.2), which contains the gamma-ray pulsar PSR B1509-58, using the CANGAROO-III imaging atmospheric Cherenkov telescope arra…
CANGAROO-III Observations of the 2006 Outburst of PKS2155-304
III collaboration, Y. Sakamoto, K. Nishijima +3
We have used the CANGAROO-III imaging atmospheric Cherenkov telescopes to observe the high-frequency-peaked BL Lacertae (HBL) object PKS 2155-304 between 2006 July 28 (MJD 53944) a…
Science with the new generation high energy gamma- ray experiments
M. Alvarez, D. D'Armiento, G. Agnetta +197
This Conference is the fifth of a series of Workshops on High Energy Gamma- ray Experiments, following the Conferences held in Perugia 2003, Bari 2004, Cividale del Friuli 2005, El…
Correlation of the highest-energy cosmic rays with the positions of nearby active galactic nuclei
The Pierre Auger Collaboration
Data collected by the Pierre Auger Observatory provide evidence for anisotropy in the arrival directions of the cosmic rays with the highest energies, which are correlated with the…
Exploring the High-Energy Cosmic Ray Spectrum with a Toy Model of Cosmic Ray Diffusion
Roger Clay, Roland M. Crocker
We introduce a static toy model of the cosmic ray (CR) universe in which cosmic ray propagation is taken to be diffusive and cosmic ray sources are distributed randomly with a dens…
Simulation Study of TenTen: A new Multi-TeV IACT array
V. Stamatescu, G. Rowell, R. Clay +7
TenTen is a proposed array of Imaging Atmospheric Cherenkov Telescopes (IACT) optimized for the gamma ray energy regime of 10 TeV to 100 TeV, but with a threshold of ~1 to a few Te…
TenTen: A New Array of Multi-TeV Imaging Cherenkov Telescopes
G. Rowell, V. Stamatescu, R. Clay +6
The exciting results from H.E.S.S. point to a new population of gamma-ray sources at energies E > 10 TeV, paving the way for future studies and new discoveries in the multi-TeV ene…
CANGAROO-III Search for Gamma Rays from SN 1987A and the Surrounding Field
R. Enomoto
Optical images of SN 1987A show a triple ring structure. The inner (dust) ring has recently increased in brightness and in the number of hot spots suggesting that the supernova sho…
CANGAROO-III Search for Gamma Rays from Centaurus A and the Centauri Region
S. Kabuki, R. Enomoto, CANGAROO-III collaboration
We have observed the giant radio galaxy Centaurus A and the globular cluster Centauri in the TeV energy region using the CANGAROO-III stereoscopic system. The system has been i…
Erratum: Detection of diffuse TeV gamma-ray emission from the nearby starburst galaxy NGC 253
C. Itoh, R. Enomoto, S. Yanagita +1
The CANGAROO-II telescope observed sub-TeV gamma-ray emission from the nearby starburst galaxy NGC 253. The emission region was extended with a radial size of 0.3-0.6 degree. On th…
CANGAROO-III Observations of the supernova remnant RX J0852.04622
R. Enomoto, S. Watanabe, T. Tanimori et al
Sub-TeV gamma-ray emission from the North-West rim of the supernova remnant RX J0852.04622 was detected with the CANGAROO-II telescope and recently confirmed by the H.E.S.S. gro…
A Search for sub-TeV Gamma-rays from the Vela Pulsar Region with CANGAROO-III
R. Enomoto, K. Tsuchiya, Y. Adachi +2
We made stereoscopic observations of the Vela Pulsar region with two of the 10 m diameter CANGAROO-III imaging atmospheric Cherenkov telescopes in January and February, 2004, in a…
Search for Point Sources of Ultra--High-Energy Cosmic Rays Above 10^19 eV Using a Maximum Likelihood Ratio Test
Stefan Westerhoff, Chad B. Finley
We present the results of a search for cosmic ray point sources at energies above 10^19 eV in the HiRes stereo data set. The analysis is based on a maximum likelihood ratio test us…
Detection of Gamma-rays around 1TeV from RX J0852.0-4622 by CANGAROO-II
H. Katagiri, R. Enomoto, L. T. Ksenofontov +1
We have detected gamma-ray emission at the 6sigma level at energies greater than 500GeV from the supernova remnant RX J0852.0-4622 (G266.2-1.2) using the CANGAROO-II Imaging Atmosp…
Search for Point Sources of Ultra-High Energy Cosmic Rays Above 40 EeV Using a Maximum Likelihood Ratio Test
s Eye Collaboration, G. R. Farrar
We present the results of a search for cosmic ray point sources at energies above 40 EeV in the combined data sets recorded by the AGASA and HiRes stereo experiments. The analysis…
Detection of Sub-TeV Gamma-Rays from the Galactic Center Direction by CANGAROO-II
K. Tsuchiya, R. Enomoto, L. T. Ksenofontov +3
We have detected sub-TeV gamma-ray emission from the direction of the Galactic Center (GC) using the CANGAROO-II Imaging Atmospheric Cherenkov Telescope (IACT). We detected a stati…
A Search for TeV Gamma-ray Emission from the PSR B1259-63/SS2883 Binary System with the CANGAROO-II 10-m Telescope
A. Kawachi, T. Naito, J. R. Patterson +2
Observations of the PSR B1259-63/SS2883 binary system using the CANGAROO-II Cherenkov telescope are reported. This nearby binary consists of a 48msec radio pulsar in a highly eccen…
Ultra High Energy Cosmic Rays
R. J. Protheroe, R. W. Clay
Cosmic rays with energies above eV are currently of considerable interest in astrophysics and are to be further studied in a number of projects which are either currently…
A Study Of Very Inclined Showers In The Pierre Auger Observatory
M. Ave
The Engineering Array of the Auger Observatory has been running successfully since 2001 and inclined showers have been recorded from the start. We have analysed the events with zen…
Calibration of the Pierre Auger fluorescence detector
M. D. Roberts
The absolute calibration of an air fluorescence detector (FD) is an important element in correctly determining the energy of detected cosmic rays. The absolute calibration relates…
Search for TeV gamma-rays from SN 1987A in 2001
R. Enomoto, L. T. Ksenofontov, H. Katagiri +2
We searched for TeV gamma-rays from the remnant of SN 1987A around 5400 days after the supernova. The observations were carried out in 2001, from November 16 to December 11, using…
Evidence of TeV gamma-ray emission from the nearby starburst galaxy NGC 253
C. Itoh, R. Enomoto, S. Yanagita +4
TeV gamma-rays were recently detected from the nearby normal spiral galaxy NGC 253 (Itoh et al., 2002). Observations to detect the Cherenkov light images initiated by gamma-rays fr…