trailThe optical star IRAS 17287-3443 is physically associated with the supernova remnant HESS J1731-347
The supernova remnant HESS J1731-347 lies at a distance of about 2.5 kiloparsecs
Central position and improbable chance alignment· for
IRAS 17287-3443 lies in projection close to the central compact object of HESS J1731-347
atomic
IRAS 17287-3443 is a post-asymptotic-giant-branch star
atomic
Extended infrared emission toward the center of HESS J1731-347 traces dust heated by IRAS 17287-3443
Extended infrared emission is detected toward the center of the supernova remnant HESS J1731-347
Distance tension with absorption-based estimates· against
Gaia parallax places the optical star IRAS 17287-3443 at a distance of about 2.5 kiloparsecs
atomic
X-ray absorption compared with CO and HI gas columns places HESS J1731-347 at least 3.2 kiloparsecs away
The X-ray absorption column density toward HESS J1731-347 exceeds the total foreground gas column in front of the Scutum-Crux arm
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The Scutum-Crux spiral arm toward HESS J1731-347 lies at a kinematic distance of about 3.2 kiloparsecs
The spatial pattern of X-ray absorption across HESS J1731-347 correlates with Scutum-Crux arm molecular gas
HESS J1731-347 is associated with atomic gas at a kinematic distance of 5.2 to 6 kiloparsecs
atomic
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The optical star IRAS 17287-3443 is physically associated with the supernova remnant HESS J1731-347
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