AGILE observations of Supernova Remnants
Andrea Giuliani, Martina Cardillo, Marco Tavani (for the AGILE, collaboration)
TL;DR
This paper reviews AGILE gamma-ray observations of supernova remnants, highlighting evidence for hadronic cosmic-ray acceleration and modeling complex source morphologies and spectra.
Contribution
It presents new insights into hadronic acceleration in SNRs using AGILE data, emphasizing the importance of gamma-ray observations near 100 MeV.
Findings
Evidence of hadronic cosmic-ray acceleration in SNRs IC443, W28, and W44.
Successful modeling of complex morphology and spectral features.
Potential to confirm pi-zero emission with AGILE's sensitivity.
Abstract
We will review the crucial AGILE gamma-ray SNR observations focusing on the evidence of hadronic cosmic-ray acceleration that has been obtained so far. We discuss data on SNR IC443, W28 and W44. We show that in all cases a consistent model of hadronic acceleration and interaction with gaseous surroundings can be used to successfully explain the quite complex morphology and spectral characteristics of the sources. AGILE, with its crucially important sensitivity near 100 MeV, is equipped to prove the existence of pi-zero emission.
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Taxonomy
TopicsAstrophysics and Cosmic Phenomena · Gamma-ray bursts and supernovae · Neutrino Physics Research