Suzaku Observation of HESS J1507-622
H. Matsumoto (1), Y. Terada (2), A. Bamba (3), M. Sakai (4), O., Tibolla (5), and S. Kaufmann (6) ((1) Nagoya University, (2) Saitama, University, (3) Aoyama Gakuin University, (4) Japan Aerospace Exploration, Agency, (5) Universitaet Wuerzburg, (6) Universitaet Heidelberg)
TL;DR
This study used Suzaku X-ray observations to investigate the unidentified TeV source HESS J1507-622, finding no clear counterpart but identifying two interesting X-ray objects, suggesting it may be a dark particle accelerator.
Contribution
First Suzaku X-ray observations of HESS J1507-622, revealing no obvious counterpart and proposing it as a potential dark particle accelerator.
Findings
No obvious X-ray counterpart detected.
Identification of two interesting X-ray objects, SRC1 and SRC2.
HESS J1507-622 may be a dark particle accelerator.
Abstract
HESS J1507-622 is one of the bright unidentified TeV objects. HESS J1507-622 is unique, since the location of the object is off the Galactic disk. We observed the HESS J1507-622 region with the Suzaku XIS, and found no obvious counterpart although there is no severe interstellar extinction. However, there are two interesting X-ray objects; SRC1 is a bright extended source, and SRC2 is a faint diffuse object. If either of them is a counterpart, the flux ratio between TeV and X-ray is large, and HESS J1507-622 is a real dark particle accelerator.
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Taxonomy
TopicsAstrophysics and Cosmic Phenomena · Particle Accelerators and Free-Electron Lasers · Atmospheric Ozone and Climate