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Exploring the superwind mechanism for generating ultrahigh-energy cosmic rays using large-scale modeling of starbursts
Luis A. Anchordoqui, Diego F. Torres
The Pierre Auger Collaboration has provided a compelling indication for a possible correlation between the arrival directions of ultrahigh-energy cosmic rays and nearby starburst g…
Long-term multi-wavelength variability and correlation study of Markarian 421 from 2007 to 2009
MAGIC Collaboration, M. L. Ahnen, S. Ansoldi +176
We study the multi-band variability and correlations of the TeV blazar Mrk 421 on year time scales, which can bring additional insight on the processes responsible for its broadban…
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…
MAGIC detection of short-term variability of the high-peaked BL Lac object 1ES 0806+524
MAGIC Collaboration, J. Aleksić, S. Ansoldi +152
The high-frequency-peaked BL Lac (HBL) 1ES 0806+524 (z = 0.138) was discovered in VHE rays in 2008. Until now, the broad-band spectrum of 1ES 0806+524 has been only poorly char…
3XMM J185246.6+003317: another low magnetic field magnetar
N. Rea, D. Vigano', G. L. Israel +2
We study the outburst of the newly discovered X-ray transient 3XMM J185246.6+003317, re-analysing all available XMM-Newton, observations of the source to perform a phase-coherent t…
A strongly magnetized pulsar within grasp of the Milky Way's supermassive black hole
N. Rea, P. Esposito, J. A. Pons +21
The center of our Galaxy hosts a supermassive black hole, Sagittarius (Sgr) A*. Young, massive stars within 0.5 pc of SgrA* are evidence of an episode of intense star formation nea…