????????HESS J1616-508 ???

1
????????HESS J1616-508 ??? --dark accelerator?--
??????????????????????(???)??????????(ISAS/JAXA)?
????????(??)????????(???)?????(????)?????(???)? Sc
ott F. Porter (GSFC/NASA)?John P. Hughes (Rutgers
Univ.), and ??????
3. XIS ?????Vignetting ??
1. HESSJ1616-508?TeV??????
Aharonian, F. et al., 2005, Science, 307, 1938??
HESS J1616-508
Sec.2 ?????(12????)?????????XY???????????????????
???????????? vignetting ?????????
High Energy Stereoscopic System
(HESS)????????????????????TeV???????20????????????
???????????????? Flux(gt200GeV) 17 x 10-12
photons cm-2 s-1
0.22keV band??XY???????????????????????SNR
G332.4-0.4 ????
210keV band ??????????????? ?HESS J1616 ??? X
???????????
2.?????XIS????
4. XIS?????
?????? HESS J1616 ? 2005/9/19 1158 (UT) ?? 43ks
???
Sec.2??????? (12????) ? FI CCD ?????
(XIS023)? HESS J1616???????????
(l,b)(332.00,-0.150)???????????????
? HESS J1616?? ? ??????????
???????????????????NHthermal plasma model
power-law ?fit? Photon index 2.0 ????
? thermal plasma ? power-law (G2)
Sec.34
?????X?CCD???(XIS)? FI CCD ???HESS J1616???????
(XIS023)? ???????????calibration ?? 55Fe
???X?? ?????SNR G332.4-0.4???????????
PIN/HXD???blank sky ???????????????????? G2 ?
power-law ??????? Fx(210keV)lt7x10-13 erg cm-2 s-1
Fitting ?? NH (3.52/-0.67)x1021 cm-2 Themal
plasma component kT 0.59/-0.02 keV Abundance
0.49/-0.25 solar Power-law component G2.0(fixed)
Fx(210keV)lt1.2x10-13 erg cm-2 s-1
?X??????? Fx(210keV)lt1.2x10-13 erg cm-2 s-1
?TeV?????????X?????? ???????????????????????
HESS J1616 ?????????X????????????