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A new SNR with TeV shell-type morphology: HESS J1731-347

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A lower limit to the distance of the SNR of 3.2 kpc was obtained by comparing the absorption derived from the X-rays and from HI and 12CO observations.

X-ray absorption compared with CO and HI gas columns places HESS J1731-347 at least 3.2 kiloparsecs awayInconclusive

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The distance used for the luminosity is derived from the absorption in the foreground and provides only a lower limit of 3.2 kpc.

The X-ray absorption column density toward HESS J1731-347 exceeds the total foreground gas column in front of the Scutum-Crux armSupported

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A new SNR with TeV shell-type morphology: HESS J1731-347

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Link: https://www.aanda.org/articles/aa/full_html/2011/07/aa16425-10/aa16425-10.html
Archived copy: https://web.archive.org/web/20260717022940/https://www.aanda.org/articles/aa/full_html/2011/07/aa16425-10/aa16425-10.html
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Versions: One known
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Corrections: None recorded
Facts checked: Nov 9, 2026

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Nov 9, 2026FactsFacts fetcher · Facts looked up
Aug 5, 2026Entered the graphEntered the graph; no copy stored