Astronomers from Costa Rica and Australia have reported the detection of a new supernova remnant (SNR) by inspecting a gamma-ray source known as FHES J1723.5−0501. The researchers found that this source is an SNR and it has been designated G17.8+16.7. The finding is detailed in a paper published December 3 on arXiv.org.
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Source: Phys.org