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“Hoinga” Surprise – Debris of Stellar Explosion Found at Unusual Location

27 Mar 2021, 06:01 UTC
“Hoinga” Surprise – Debris of Stellar Explosion Found at Unusual Location

eROSITA/MPE (X-ray), CHIPASS / SPASS / N. Hurley-Walker, ICRAR-Curtin (Radio)

In the first all-sky survey by the eROSITA X-ray telescope onboard SRG, astronomers at the Max Planck Institute for Extraterrestrial Physics have identified a previously unknown supernova remnant, dubbed “Hoinga.” The finding was confirmed in archival radio data and marks the first discovery of a joint Australian-eROSITA partnership established to explore our Galaxy using multiple wavelengths, from low-frequency radio waves to energetic X-rays. The Hoinga supernova remnant is very large and located far from the galactic plane – a surprising first finding – implying that the next years might bring many more discoveries.

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