activity
20102026
most citedEvidence for strong extragalactic magnetic fields from Fermi observations of TeV blazars

969 citations · 5.8k across the 148 of their papers we have counts for

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Showing 2015Show all

9 papers · 1 filter

astro-ph.HE2015★ 143 cited

Multiwavelength Study of Quiescent States of Mrk 421 with Unprecedented Hard X-Ray Coverage Provided by NuSTAR in 2013

M. Baloković, D. Paneque, G. Madejski +305

We present coordinated multiwavelength observations of the bright, nearby BL Lac object Mrk 421 taken in 2013 January-March, involving GASP-WEBT, Swift, NuSTAR, Fermi-LAT, MAGIC, V…

astro-ph.GA2015★ 117 cited

Very-high-energy gamma-rays from the Universe's middle age: detection of the z=0.940 blazar PKS 1441+25 with MAGIC

MAGIC Collaboration, M. L. Ahnen, S. Ansoldi +246

The flat-spectrum radio quasar PKS 1441+25 at a redshift of z = 0.940 is detected between 40 and 250 GeV with a significance of 25.5 σ using the MAGIC telescopes. Together with the…

astro-ph.HE2015★ 71 cited

First NuSTAR Observations of Mrk 501 within a Radio to TeV Multi-Instrument Campaign

A. Furniss, K. Noda, S. Boggs +273

We report on simultaneous broadband observations of the TeV-emitting blazar Markarian 501 between 1 April and 10 August 2013, including the first detailed characterization of the s…

astro-ph.IM2015★ 2 cited

Study of hadron and gamma-ray acceptance of the MAGIC telescopes: towards an improved background estimation

E. Prandini, G. Pedaletti, P. Da Vela +5

The MAGIC telescopes are an array of two imaging atmospheric Cherenkov telescopes (IACTs) studying the gamma ray sky at very high-energies (VHE; E>100 GeV). The observations are pe…

astro-ph.HE2015★ 32 cited

Very-high-energy γ-ray observations of novae and dwarf novae with the MAGIC telescopes

MAGIC Collaboration, M. L. Ahnen, S. Ansoldi +148

Context. In the last five years the Fermi Large Area Telescope (LAT) instrument detected GeV γ-ray emission from five novae. The GeV emission can be interpreted in terms of an inve…

astro-ph.HE2015★ 8 cited

Detection of very-high-energy gamma rays from the most distant and gravitationally lensed blazar QSO B0218+357 using the MAGIC telescope system

Julian Sitarek, J. Becerra González, Dijana Dominis Prester +7

QSO B0218+357 is a blazar located at a cosmological redshift of z=0.944. It is gravitationally lensed by a spiral galaxy at a redshift of z=0.68. The blazar and its lens are well s…

astro-ph.HE2015★ 69 cited

Multi-wavelength Observations of the Binary System PSR B1259-63/LS~2883 around the 2014 Periastron Passage

M. Chernyakova, A. Neronov, B. van Soelen +16

We report on the results of the extensive multi-wavelength campaign from optical to GeV gamma-rays of the 2014 periastron passage of PSR B1259-63, which is a unique high-mass gamma…

astro-ph.HE2015★ 21 cited

Microlensing constraint on the size of the gamma-ray emission region in blazar B0218+357

Ievgen Vovk, Andrii Neronov

Context. Observations of the effect of microlensing in gravitationally lensed quasars could potentially be used to study the structure of the source on distance scales down to the…

gr-qc2015★ 9 cited

Test of relativistic gravity using microlensing of relativistically broadened lines in gravitationally lensed quasars

A. Neronov, Ie. Vovk

We show that observation of the time-dependent effect of microlensing of relativistically broadened emission lines (such as e.g. the Fe Kalpha line in X-rays) in strongly lensed qu…