Short term and multi-band variability of the active nucleus of IC310

Eisenacher, D.; Colin, P.; Lombardi, S.; Sitarek, J.; Zandanel, F.; Paneque, D.; Dauser, Thomas; Krauß, F.; Wilbert, Sven; Kadler, M.; Schulz, R.; Wilms, J.; Bach, U.; Ros, E.

doi:10.1063/1.4772327

Cited by 1 publication

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“…The short time-scales of variability impose severe constraints on the spatial extension of the emitting volume. The recent MAGIC observation of flares from the head-tail radio galaxy IC 310 with a variability time scale of approximately 4 minutes, is particularly puzzling as it requires an emission region more compact (by a factor of ≈ 5) than the Schwarzschild radius of the super massive black hole [34]. Another independent inference of a potentially even more compact size of the emission region in Blazars is possible using the effect of gravitational micro lensing [35].…”

Section: Gamma-rays From Active Galactic Nuclei and Gamma-ray Propaga...mentioning

confidence: 99%

Gamma-Ray Astronomy from the Ground

Horns

2016

J. Phys.: Conf. Ser.

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The observation of cosmic gamma-rays from the ground is based upon the detection of gamma-ray initiated air showers. At energies between approximately 10 11 eV and 10 13 eV, the imaging air Cherenkov technique is a particularly successful approach to observe gamma-ray sources with energy fluxes as low as ≈ 10 −13 erg cm −2 s −1 . The observations of gamma-rays in this energy band probe particle acceleration in astrophysical plasma conditions and are sensitive to high energy phenomena beyond the standard model of particle physics (e.g., self-annihilating or decaying dark matter, violation of Lorentz invariance, mixing of photons with light pseudoscalars). The current standing of the field and its major instruments are summarised briefly by presenting selected highlights. A new generation of ground based gamma-ray instruments is currently under development. The perspectives and opportunities of these future facilities will be discussed.

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Section: Gamma-rays From Active Galactic Nuclei and Gamma-ray Propaga...mentioning

confidence: 99%

Gamma-Ray Astronomy from the Ground

Horns

2016

J. Phys.: Conf. Ser.

View full text Add to dashboard Cite

show abstract

Short term and multi-band variability of the active nucleus of IC310

Cited by 1 publication

References 4 publications

Gamma-Ray Astronomy from the Ground

Gamma-Ray Astronomy from the Ground

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