Journal Article

PUBDB-2016-00361

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png The exceptionally powerful TeV  $\gamma$-ray emitters in the Large Magellanic Cloud

Ohm, S. (Corresponding author)DESY* ; Klepser, S.DESY* ; Stegmann, C.DESY* ; H.E.S.S. Collaboration (Collaboration author)

2015
American Association for the Advancement of Science16205 Washington, DC [u.a.]

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Please use a persistent id in citations: doi:10.1126/science.1261313

Abstract: The Large Magellanic Cloud, a satellite galaxy of the Milky Way, has been observed with the High Energy Stereoscopic System (H.E.S.S.) above an energy of 100 billion electron volts for a deep exposure of 210 hours. Three sources of different types were detected: the pulsar wind nebula of the most energetic pulsar known, N 157B; the radio-loud supernova remnant N 132D; and the largest nonthermal x-ray shell, the superbubble 30 Dor C. The unique object SN 1987A is, unexpectedly, not detected, which constrains the theoretical framework of particle acceleration in very young supernova remnants. These detections reveal the most energetic tip of a γ-ray source population in an external galaxy and provide via 30 Dor C the unambiguous detection of γ-ray emission from a superbubble.

Note: (c) AAAS. The arxiv v1 version matches with the post referee version.

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Contributing Institute(s):

1. High Energy Steroscopic System (ZEU-HESS)

Research Program(s):

1. 613 - Matter and Radiation from the Universe (POF3-613) (POF3-613)
2. P-WIND - New light on the gamma-ray sky: unveiling cosmic-ray accelerators in the Milky Way and their relation to pulsar wind nebulae (259391) (259391)

Experiment(s):

1. Measurement at external facility

Appears in the scientific report 2015

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