ZEU-EXP/AT

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2017-08-29
09:47
arXiv [PUBDB-2017-10006] Report/Journal Article
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Performance of the MAGIC telescopes under moonlight
[arXiv:1704.00906] ddc:540
MAGIC, a system of two imaging atmospheric Cherenkov telescopes, achieves its best performance under dark conditions, i.e. in absence of moonlight or twilight [...]
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2017-08-29
09:41
arXiv [PUBDB-2017-10005] Report/Journal Article
; ; ; et al
Observation of the black widow B1957+20 millisecond pulsar binary system with the MAGIC telescopes
[arXiv:1706.01378] ddc:520
B1957+20 is a millisecond pulsar located in a black-widow-type compact binary system with a low-mass stellar companion. The interaction of the pulsar wind with the companion star wind and/or the interstellar plasma is expected to create plausible conditions for acceleration of electrons to TeV energies and subsequent production of very high-energy γ-rays in the inverse Compton process [...]
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2017-08-16
16:18
[PUBDB-2017-09410] Report/Journal Article
; ; ; et al
Luminous and high-frequency peaked blazars: the origin of the gamma-ray emission from PKS 1424+240
[arXiv:1707.00804] ddc:520
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2017-08-16
16:08
arXiv [PUBDB-2017-09408] Report/Journal Article
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Multiband variability studies and novel broadband SED modeling of Mrk 501 in 2009
[arXiv:1612.09472] ddc:520
We present an extensive study of the BL Lac object Mrk 501 based on a data set collected during the multi-instrument campaign spanning from 2009 March 15 to 2009 August 1, which includes, among other instruments, MAGIC, VERITAS, Whipple 10 m, and Fermi-LAT to cover the γ-ray range from 0.1 GeV to 20 TeV; RXTE and Swift to cover wavelengths from UV tohard X-rays; and GASP-WEBT, which provides coverage of radio and optical wavelengths. Optical polarization measurements were provided for a fraction of the campaign by the Steward and St [...]
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2017-08-01
15:53
OpenAccess [PUBDB-2017-08797] Report/Journal Article
; ; ; et al
Multiwavelength Picture of the Blazar S5 0716+714 during Its Brightest Outburst
[arXiv:1704.03238] ddc:520
S5 0716+714 is a well known BL Lac object, and one of the brightest and most active blazars. The discovery in the Very High Energy band (VHE, E > 100 GeV) by MAGIC happened in 2008. [...]
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2017-08-01
15:46
arXiv [PUBDB-2017-08796] Report/Journal Article
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Search for Extended Sources in the Galactic Plane Using Six Years of Fermi -Large Area Telescope Pass 8 Data above 10 GeV
[arXiv:1702.00476] ddc:520
The spatial extension of a gamma-ray source is an essential ingredient to determine its spectral properties as well as its potential multi-wavelength counterpart. The capability to spatially resolve gamma-ray sources is greatly improved by the newly delivered Fermi-Large Area Telescope (LAT) Pass 8 event-level analysis which provides a greater acceptance and an improved point spread function, two crucial factors for the detection of extended sources. [...]
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2017-06-06
14:10
OpenAccess [PUBDB-2017-04338] Dissertation / PhD Thesis
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Measurement ofthe Iron Spectrum in Cosmic Rayswith the VERITAS Experiment
191 p. (2017) [10.3204/PUBDB-2017-04338] = Humboldt-Universität zu Berlin, Diss., 2017  GO
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2017-05-22
16:00
OpenAccess [PUBDB-2017-03387] Report/Journal Article
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The Fermi Galactic Center GeV Excess and Implications for Dark Matter
[arXiv:1704.03910] ddc:520
The region around the Galactic Center (GC) is now well established to be brighter at energies of a few GeV than what is expected from conventional models of diffuse gamma-ray emission and catalogs of known gamma-ray sources. We study the GeV excess using 6.5 yr of data from the Fermi Large Area Telescope. [...]
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2017-05-09
13:43
OpenAccess [PUBDB-2017-02494] Preprint/Report
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Cosmic-ray electron-positron spectrum from 7 GeV to 2 TeV with the Fermi Large Area Telescope
[arXiv:1704.07195] ddc:530
We present a measurement of the cosmic-ray electron+positron spectrum between 7 GeV and 2 TeV performed with almost seven years of data collected with the Fermi Large Area Telescope. We find that the spectrum is well fit by a broken power law with a break energy at about 50 GeV. [...]
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2017-05-09
13:25
OpenAccess [PUBDB-2017-02490] Report/Journal Article
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Dark matter constraints from a joint analysis of dwarf Spheroidal galaxy observations with VERITAS
[arXiv:1703.04937] ddc:530
We present constraints on the annihilation cross section of weakly interacting massive particles dark matter based on the joint statistical analysis of four dwarf galaxies with VERITAS. These results are derived from an optimized photon weighting statistical technique that improves on standard imaging atmospheric Cherenkov telescope (IACT) analyses by utilizing the spectral and spatial properties of individual photon events [...]
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