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New Source of very high energy Gamma-ray emission detected in the neighborhood of the Supernova Remnant G24.7+0.6

New source of very high energy gamma-ray emission detected in the neighborhood of the supernova remnant G24.7+0.6

1◦ × 1◦ significance map of the region obtained with MAGIC. MAGIC J1835–069 is marked with a blue line. Credit: Acciari et al., 2018.

Using MAGIC telescopes and NASA’s Fermi spacecraft, an international team of astronomers has discovered a new source of very high energy gamma-ray emission around the supernova remnant (SNR) G24.7+0.6.

Supernova remnants are basically leftovers of massive stars that ended their lives in huge explosions called supernovae. Astronomers generally distinguish three types of SNRs, one of which is the composite SNR—these having rapidly expanding shells from the supernova blast wave accompanied by wind nebulae powered by young pulsars formed in the explosions.

Observations show that composite SNRs are known to accelerate particles to very high e...

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