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Multiwavelength follow-up of a rare icecube neutrino multiplet
(EDP Sciences, 2017-11-01)
On February 17, 2016, the IceCube real-time neutrino search identified, for the first time, three muon neutrino candidates arriving within 100 s of one another, consistent with coming from the same point in the sky. Such ...
A luminous and isolated gamma-ray flare from the blazar b2 1215+30
(American Astronomical Society, 2017-02-21)
B2 1215+30 is a BL-Lac-type blazar that was first detected at TeV energies by the MAGIC atmospheric Cherenkov telescopes and subsequently confirmed by the Very Energetic Radiation Imaging Telescope Array System (VERITAS) ...
Discovery of very-high-energy emission from rgb j2243+203 and derivation of its redshift upper limit
(American Astronomical Society, 2017-11-10)
Very-high-energy (VHE; > 100 GeV) gamma-ray emission from the blazar RGB J2243+203 was discovered with the VERITAS Cherenkov telescope array, during the period between 2014 December 21 and 24. The VERITAS energy ...
Gamma-ray observations of tycho’s supernova remnant with veritas andfermi
(American Astronomical Society, 2017-02-06)
High-energy gamma-ray emission from supernova remnants (SNRs) has provided a unique perspective for studies of Galactic cosmic-ray acceleration. Tycho's SNR is a particularly good target because it is a young, type Ia SNR ...
Dark matter constraints from a joint analysis of dwarf spheroidal galaxy observations with veritas
(American Physical Society (APS), 2017-04-05)
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 ...
Search for magnetically broadened cascade emission from blazars with veritas
(American Astronomical Society, 2017-02-02)
We present a search for magnetically broadened gamma-ray emission around active galactic nuclei (AGNs), using VERITAS observations of seven hard-spectrum blazars. A cascade process occurs when multi-TeV gamma-rays from an ...
Gamma-ray observations under bright moonlight with veritas
(Elsevier BV, 2017-05-01)
Very-high-energy γ-ray observations of the blazar 1es 2344+514 with veritas
(Oxford University Press (OUP), 2017-07-17)
We present very-high-energy gamma-ray observations of the BL Lac object 1ES 2344+514 taken by the Very Energetic Radiation Imaging Telescope Array System between 2007 and 2015. 1ES 2344+514 is detected with a statistical ...
Multiband variability studies and novel broadband sed modeling of mrk 501 in 2009
(EDP Sciences, 2017-07-01)
Aims. 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, ...