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Suzaku observations of HESS J1616-508: Evidence for a dark particle accelerator

机译:HESS J1616-508的朱雀观察:暗粒子加速器的证据

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We observed the bright unidentified TeV gamma-ray source HESS J1616-508 with the X-ray Imaging Spectrometers onboard the Suzaku satellite. No X-ray counterpart was found to a limiting flux of 3.1 x 10(-13) erg s(-1) cm(-2) in the 2-10 keV band, which is some 60-times below the gamma-ray flux in the 1-10 TeV band. This object is bright in TeV gamma-rays, but very dim in the X-ray band, and thus is one of the best examples in the Galaxy of a "dark particle accelerator." We also detected soft thermal emission with kT similar to 0.3-0.6 keV near the location of HESS J1616-508. This may be due to a dust-grain scattering halo from the nearby bright supernova remnant RCW 103.
机译:我们用朱雀卫星上的X射线成像光谱仪观察到了明亮的,未识别的TeV伽马射线源HESS J1616-508。在2-10 keV波段中没有发现X射线对应物的极限通量为3.1 x 10(-13)erg s(-1)cm(-2),比伽马射线通量低60倍在1-10 TeV波段。该物体在TeV伽马射线中很亮,但是在X射线带中很暗,因此是“暗粒子加速器”星系中最好的例子之一。在HESS J1616-508位置附近,我们还检测到kT类似于0.3-0.6 keV的软热发射。这可能是由于附近明亮的超新星残余RCW 103产生的尘埃颗粒散射光晕。

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