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SWIFT XRT FOLLOW-UP OBSERVATIONS OF TeV SOURCES OF THE HESS INNER GALAXY SURVEY

机译：黑河内河调查的TeV资料源的SWIFT XRT后续观察

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摘要

In order to provide a firm identification of the newly discovered Galactic TeV sources, a search for counterparts in a broad band from soft X-ray to soft gamma rays is crucial as data in these wave bands allow us to distinguish between different types of suggested models (for example, leptonic vs. hadronic) and, in turn, to disentangle their nature. In this paper we report the results of a set of follow-up observations performed by the Swift X-Ray Telescope (XRT) on seven sources recently discovered by HESS, in the range from a few hundred GeV to about 10 TeV, during the inner Galaxy survey. In all but one case, we detect X-ray sources inside or close by the extended TeV-emitting region. All of these putative X-ray counterparts have an accurate arcsecond location and are consistent with being point sources. The main result of our search is the discovery that three of them are located at the center of the diffuse radio emission of the supernova remnants, which have been spatially associated with these TeV objects. HESS J1640— 465, HESS J1834-087, and HESS J1813—178 show this evidence, suggestive of a possible pulsar wind nebula association.
机译：为了对新发现的Galactic TeV光源进行可靠的识别，在从软X射线到软伽玛射线的宽频带中寻找对应物至关重要，因为这些波段中的数据使我们能够区分不同类型的建议模型（例如，轻子与强子酸），并进而解开其本质。在本文中，我们报告了由快速X射线望远镜（XRT）对HESS最近发现的七个信号源进行的一系列后续观察的结果，这些信号源的范围从几百GeV到约10 TeV。银河调查。除了一种情况外，我们都检测到扩展的TeV发射区域内部或附近的X射线源。所有这些假定的X射线对应物都具有精确的弧秒位置，并且与作为点源的位置一致。我们搜索的主要结果是发现它们中的三个位于与这些TeV天体在空间上相关联的超新星残余物的漫射无线电发射的中心。 HESS J1640- 465，HESS J1834-087和HESS J1813-178显示了这一证据，表明可能存在脉冲星云。

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