Status of ground based gamma-ray observations

TL;DR

This paper reviews recent progress in ground-based gamma-ray astronomy, highlighting source observations and the connection to cosmic rays, based on contributions from the 2017 ICRC conference.

Contribution

It provides a summary of recent advancements and observational results in ground-based gamma-ray astronomy from the 2017 ICRC conference.

Findings

Significant observational progress in gamma-ray source detection.

Enhanced understanding of gamma rays' connection to cosmic rays.

Overview of the latest ground-based gamma-ray instruments and results.

Abstract

This is a proceeding of a rapporteur talk given on ground-based gamma-ray astronomy at the 35th International Cosmic-Ray Conference (ICRC) held in 2017 in Busan, Republic of Korea. A total of ~300 contributions were presented during the ICRC over 17 gamma-ray sessions. Here, I summarize the contributions mainly focusing on the source observations performed by ground-based gamma-ray instruments and the connection between gamma rays and cosmic rays. Any such summary must necessarily be incomplete. However, I have attempted to provide a glance into recent progress that has been made in using ground-based gamma-ray observations to understand the nature of high energy particles in our Universe.