A new method to study energy-dependent arrival delays on photons from astrophysical sources
arXiv:0803.2120 · doi:10.1016/j.astropartphys.2009.01.005
Abstract
Correlations between the arrival time and the energy of photons emitted in outbursts of astrophysical objects are predicted in quantum and classical gravity scenarios and can appear as well as a result of complex acceleration mechanisms responsible for the photon emission at the source. This paper presents a robust method to study such correlations that overcomes some limitations encountered in previous analysis, and is based on a Likelihood function built from the physical picture assumed for the emission, propagation and detection of the photons. The results of the application of this method to a flare of Markarian 501 observed by the MAGIC telescope are presented. The method is also applied to a simulated dataset based on the flare of PKS 2155-304 recorded by the H.E.S.S. observatory to proof its applicability to complex photon arrival time distributions.
18 pages, 7 figures
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Cited by in corpus (7)
- Search for Lorentz Invariance breaking with a likelihood fit of the PKS 2155-304 flare data taken on MJD 53944
- The 2014 TeV Gamma-ray Flare of Mrk 501 Seen with H.E.S.S.: Temporal and Spectral Constraints on Lorentz Invariance Violation
- Constraints on the emission region of 3C 279 during strong flares in 2014 and 2015 through VHE gamma-ray observations with H.E.S.S
- Lorentz Symmetry breaking studies with photons from astrophysical observations
- Spacetime and deformations of special relativistic kinematics
- A Simple Method to Test for Energy-Dependent Dispersion in High Energy Light-Curves of Astrophysical Sources
- Exploring Quantum Gravity with Very-High-Energy Gamma-Ray Instruments - Prospects and Limitations