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Multi-Wavelength Observations of the Blazar 1ES 1011+496 in Spring 2008
The MAGIC Collaboration, M. L. Ahnen, S. Ansoldi +158
The BL Lac object 1ES 1011+496 was discovered at Very High Energy gamma-rays by MAGIC in spring 2007. Before that the source was little studied in different wavelengths. Therefore…
Teraelectronvolt pulsed emission from the Crab pulsar detected by MAGIC
MAGIC Collaboration, S. Ansoldi, L. A. Antonelli +139
Aims: To investigate the extension of the very-high-energy spectral tail of the Crab pulsar at energies above 400 GeV. Methods: We analyzed 320 hours of good quality data of…
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…
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…
The 2009 multiwavelength campaign on Mrk 421: Variability and correlation studies
MAGIC Collaboration, J. Aleksić, S. Ansoldi +270
We performed a 4.5-month multi-instrument campaign (from radio to VHE gamma rays) on Mrk421 between January 2009 and June 2009, which included VLBA, F-GAMMA, GASP-WEBT, Swift, RXTE…
Black hole lightning due to particle acceleration at subhorizon scales
MAGIC Collaboration, J. Aleksić, S. Ansoldi +151
Supermassive black holes with masses of millions to billions of solar masses are commonly found in the centers of galaxies. Astronomers seek to image jet formation using radio inte…
Unprecedented study of the broadband emission of Mrk 421 during flaring activity in March 2010
The MAGIC Collaboration, J. Aleksić, S. Ansoldi +251
A flare from the TeV blazar Mrk 421, occurring in March 2010, was observed for 13 consecutive days from radio to very high energy (VHE, E > 100 GeV) gamma-rays with MAGIC, VERITAS,…
Discovery of very high energy gamma-ray emission from the blazar 1ES 0033+595 by the MAGIC telescopes
J. Aleksić, S. Ansoldi, L. A. Antonelli +157
The number of known very high energy (VHE) blazars is , which is very small in comparison to the number of blazars detected in other frequencies. This situation is a hand…
Multiwavelength observations of Mrk 501 in 2008
MAGIC Collaboration, J. Aleksić, S. Ansoldi +256
Mrk 501 is one of the brightest blazars at TeV energies and has been extensively studied since its first VHE detection in 1996. Our goal is to characterize in detail the source gam…
First broadband characterization and redshift determination of the VHE blazar MAGIC J2001+439
MAGIC Collaboration, J. Aleksić, S. Ansoldi +167
We aim to characterize the broadband emission from 2FGL J2001.1+4352, which has been associated with the unknown-redshift blazar MG4 J200112+4352. Based on its gamma-ray spectral p…
Probing the very-high-energy gamma-ray spectral curvature in the blazar PG 1553+113 with the MAGIC telescopes
MAGIC Collaboration, J. Aleksić, S. Ansoldi +152
PG 1553+113 is a very-high-energy (VHE, ) -ray emitter classified as a BL Lac object. Its redshift is constrained by intergalactic absorption lines in the r…
MAGIC search for VHE -ray emission from AE Aquarii in a multiwavelength context
J. Aleksić, S. Ansoldi, L. A. Antonelli +152
It has been claimed that the nova-like cataclysmic variable (CV) AE Aquarii (AE Aqr) is a very-high-energy (VHE, 100 GeV) source both on observational and theoretical grounds.…
Measurement of the Crab Nebula spectrum over three decades in energy with the MAGIC telescopes
MAGIC Collaboration, J. Aleksić, S. Ansoldi +150
The MAGIC stereoscopic system collected 69 hours of Crab Nebula data between October 2009 and April 2011. Analysis of this data sample using the latest improvements in the MAGIC st…
Discovery of TeV gamma-ray emission from the pulsar wind nebula 3C 58 by MAGIC
MAGIC Collaboration, J. Aleksić, S. Ansoldi +145
The pulsar wind nebula (PWN) 3C 58 is one of the historical very-high-energy (VHE; E>100 GeV) gamma-ray source candidates. It is energized by one of the highest spin-down power pul…
Multifrequency Studies of the Peculiar Quasar 4C +21.35 During the 2010 Flaring Activity
M. Ackermann, M. Ajello, A. Allafort +288
The discovery of rapidly variable Very High Energy (VHE; E > 100 GeV) gamma-ray emission from 4C +21.35 (PKS 1222+216) by MAGIC on 2010 June 17, triggered by the high activity dete…
Search for Very-High-Energy Gamma Rays from the z = 0.896 Quasar 4C +55.17 with the MAGIC telescopes
MAGIC Collaboration, J. Aleksić, S. Ansoldi +157
The bright gamma-ray quasar 4C +55.17 is a distant source () with a hard spectrum at GeV energies as observed by the Large Area Telescope (LAT) on board the {\it Fermi}…
Detection of bridge emission above 50 GeV from the Crab pulsar with the MAGIC telescopes
J. Aleksić, S. Ansoldi, L. A. Antonelli +153
The Crab pulsar is the only astronomical pulsed source detected at very high energy (VHE, E>100GeV) gamma-rays. The emission mechanism of VHE pulsation is not yet fully understood,…
MAGIC reveals a complex morphology within the unidentified gamma-ray source HESS J1857+026
MAGIC Collaboration, J. Aleksić, S. Ansoldi +158
HESS J1857+026 is an extended TeV gamma-ray source that was discovered by H.E.S.S. as part of its Galactic plane survey. Given its broadband spectral energy distribution and its sp…
MAGIC gamma-ray and multifrequency observations of flat spectrum radio quasar PKS 1510-089 in early 2012
MAGIC Collaboration, J. Aleksić, S. Ansoldi +218
Among more than fifty blazars detected in very high energy (VHE, E>100GeV) gamma-rays, only three belong to the subclass of Flat Spectrum Radio Quasars (FSRQs). MAGIC observed FSRQ…
MAGIC long-term study of the distant TeV blazar PKS 1424+240 in a multiwavelength context
MAGIC Collaboration, J. Aleksić, S. Ansoldi +168
We present a study of the very high energy (VHE; E > 100 GeV) gamma-ray emission of the blazar PKS 1424+240 observed with the MAGIC telescopes. The primary aim of this paper is the…
MAGIC upper limits on the GRB 090102 afterglow
MAGIC Collaboration, J. Aleksić, S. Ansoldi +160
Indications of a GeV component in the emission from GRBs are known since the EGRET observations during the 1990's and they have been confirmed by the data of the Fermi satellite. T…
MAGIC observations and multifrequency properties of the Flat Spectrum Radio Quasar 3C 279 in 2011
J. Aleksić, S. Ansoldi, L. A. Antonelli +168
We study the multifrequency emission and spectral properties of the quasar 3C 279. We observed 3C 279 in very high energy (VHE, E>100GeV) gamma rays, with the MAGIC telescopes duri…
Contemporaneous observations of the radio galaxy NGC 1275 from radio to very high energy gamma-rays
MAGIC Collaboration, J. Aleksić, S. Ansoldi +157
The radio galaxy NGC 1275, recently identified as a very high energy (VHE, >100 GeV) gamma-ray emitter by MAGIC, is one of the few non-blazar AGN detected in the VHE regime. In ord…
MAGIC discovery and multiwavelength observations of the BL Lac 1ES 1727+502
K. Berger, G. De Caneva, E. Lindfors +3
Blazars, active galactic nuclei whose jet axis is pointed towards the observer, constitute the most numerous class of extragalactic very high energy (VHE, E > 100\, GeV) gamma-ray…