Suzaku observations of HESS J1616-508 : Evidence for a dark particle accelerator
Publications of the Astronomical Society of Japan Volume 59
Page S199-S208
published_at 2007-01-25
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| File | |
| Title ( eng ) |
Suzaku observations of HESS J1616-508 : Evidence for a dark particle accelerator
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| Creator |
Matsumoto Hironori
Ueno Masaru
Bamba Aya
Hyodo Yoshiaki
Mori Hideyuki
Uchiyama Hideki
Tsuru Takeshi Go
Koyama Katsuji
Kataoka Jun
Takahashi Tadayuki
Hiraga Junko
Yamauchi Shigeo
Hughes John P.
Senda Atsushi
Kokubun Motohide
Kohmura Takayoshi
Porter Frederick S.
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| Source Title |
Publications of the Astronomical Society of Japan
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| Volume | 59 |
| Start Page | S199 |
| End Page | S208 |
| Abstract |
We observed the bright unidentified TeV γ -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 × 10-13 erg s-1 cm-2 in the 2–10 keV band, which is some 60-times below the γ -ray flux in the 1–10 TeV band. This object is bright in TeV γ -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 ∼ 0.3–0.6keV 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.
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| Keywords |
acceleration of particles —X-rays: individual (HESS J1616-508) —X-rays: ISM
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| NDC |
Astronomy. Space sciences [ 440 ]
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| Language |
eng
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| Resource Type | journal article |
| Publisher |
日本天文学会
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| Date of Issued | 2007-01-25 |
| Rights |
Copyright (c) 2007 Astronomical Society of Japan
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| Publish Type | Version of Record |
| Access Rights | open access |
| Source Identifier |
[ISSN] 0004-6264
[NCID] AA1082896X
[URI] http://pasj.asj.or.jp/v59/sp1/59s115/59s115a.html
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