We report on new Suzaku and XMM-Newton results concerning HESS J1614 - 518 , which is one of the brightest extended TeV \gamma -ray sources and has two regions with intense \gamma -ray emission .
We newly observed the south and center regions of HESS J1614 - 518 with Suzaku , since the north region , including the position of the 1st brightest peak of the TeV \gamma -ray emission , has already been observed .
No X-ray counterpart was found at the position of the 2nd brightest peak of the TeV \gamma -ray emission ; we estimated the upper limit of the X-ray flux to be 1.6 \times 10 ^ { -13 } erg cm ^ { -2 } s ^ { -1 } in the 2–10 keV band .
The soft X-ray source Suzaku J1614 - 5152 , which was found at the edge of the field of view in a previous observation , was also detected at the middle of HESS J1614 - 518 .
Analyzing the XMM-Newton archival data , we revealed that Suzaku J1614 - 5152 consists of multiple point sources .
The X-ray spectrum of the brightest point source , XMMU J161406.0 - 515225 , can be described by a power-law model with a photon index of \Gamma = 5.2 ^ { +0.6 } _ { -0.5 } , or a blackbody model with temperature kT = 0.38 ^ { +0.04 } _ { -0.04 } keV .
In the blackbody model , the hydrogen-equivalent column density is almost the same as that of the hard extended X-ray emission , Suzaku J1614 - 5141 , which was found at the 1st peak position .
If true , XMMU J161406.0 - 515225 may be physically related to Suzaku J1614 - 5141 and HESS J1614 - 518 .