The MAGIC extragalactic sky

TL;DR

The MAGIC telescope is a leading instrument in VHE gamma-ray astronomy, extensively observing extragalactic sources like blazars through various strategies, including monitoring, flare studies, and multiwavelength campaigns, to deepen understanding of the universe.

Contribution

This paper reviews the observational strategies and key findings of the MAGIC telescope in studying extragalactic gamma-ray sources.

Findings

Detection of VHE gamma-ray emission from multiple extragalactic sources.

Insights into blazar flare mechanisms and variability.

Enhanced understanding of the extragalactic gamma-ray sky.

Abstract

The MAGIC telescope, with its 17-m diameter mirror, is currently the largest single-dish Imaging Air Cherenkov Telescope. It is located on the Canary Island of La Palma, at an altitude of 2200 m above sea level, and is operating since 2004. The accessible energy range is in the very high energy (VHE, E>100 GeV) gamma-ray domain, and roughly 40% of the duty cycle is devoted to observation of extragalactic sources. Due to the lowest energy threshold (25 GeV), it can observe the deepest universe, and it is thus well suited for extragalactic observations. The strategies of extragalactic observations by MAGIC are manifold: long time monitoring of known TeV blazars, detailed study of blazars during flare states, multiwavelength campaigns on most promising targets, and search for new VHE gamma-ray emitters. In this talk, highlights of observations of extragalactic objects will be reviewed.