Post on 30-Dec-2015
description
Astro-E2 Ascent Profile
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「すざく」と命名
ASTRO E2 が上がり、 XRS が働いたら
「すざく」衛星の3検出機器: HXD, XRS, XIS
First XRS Spectrum on Orbit ! - 60 mK , 7.0 eV @6.9 keV :World (Universe) Records But !!
FWHM = 7.0 eV
FWHM = 6.4 eV
55Fe x-rays on cal pixel Obtained during contact pass
SN1006 (ASCA) α = 2.7
Cas A (S uzaku)
α = 2.7
高エネルギー電子の起源と加速機構
星間空間の高エネルギー物理学Suzaku の科学
Bright/Young SNRs : Hard X-ray Tail
All haveΓ= 2.7
Non-Thermal Shell ( α=2.7) vs Hot Plasma
SN1006 RCW 86
Tycho Kepler
The scale length vs. radius
The scale length is ~ % of the radius.
2 5 10 50Radius of SNR (pc)
10
-210
-11
Sca
le length
(pc)
downstreamupstream
Cas A
30 Dor C
RCW 86
SN 1006
Kepler
Tycho
R/1000
R/10
Maximum Electron Energy (TeV)
Magnetic F
ield (microG
)
Age Limited
Loss Limited
Diffusive shock accele-ration model with nearly perpendicular magnetic field.
Age-limited E ~ 30-200 TeVLoss-limited E~ 20-50 TeV
Analysis of the SN1006 shell α = 2.7
α = 2.3 (HXD)
RXJ1713 is the only shell-type SNR which INTEGRAL has found some Indication of hard X-ray emission.
Proton Acceleration and/or
Much Higher Energy
Chandra G28.6-0.1
kT = 0.7 Log(nt) = 10.4 NH = 7.4x1022
α = 2.1
Contour20 cmColor2-7 keV
Red0.5-2 keV
Blue2-7 keV
α = 1.7XMM-Newton G32.45+0.1
共に Flat なスペクトル電子: < 10-100 TeVあるいは、陽子?
宇宙最高エネルギー粒子の起源と加速機構宇宙線発見依頼の最大の謎。その最近傍の実験室 銀河中心 対消滅線、 GeV 、 TeV ガンマ線、特異なX線
AX J1813-178=1.8AX J1826-13 = 2.4AX J1838-065 = 1.5G347.5-0.3 = 2.3
100 TeV 以上の電子( Synchrotron)or陽子加速 (p –>π, γ )
10-keV Plasma & Cool Gas + Reflection
Origin of the 10 keV Plasma ? Big bang of the BH or Multi-SNe ?Origin of the 6.4 keV-line ? X-ray reflection by the Near-Past Bang of the BH
BH
Hot Gas (108 K)
Sgr A East
銀河中心
6.4 keV 6.7 keV 6.9 keV
C ool Gas (10 K)
1
2
3
Non Thermal X-ray Jets and filaments
巨大ブラックホール
Origin of the Non Thermal Emission ? Cosmic Ray Acceleration
A. Age limited case B. Loss limited casetacc = tage < tloss tloss = tacc < tage
wu = Ku/uu
wd = Kd/ud
wu = min {Ku/uu, (Kutcool)1/2}wd = max {udtcool, (Kdtcool)1/2}
unknown parameters: Emax, Bu, Bd, u, d,
known parameters:uu, rolloff, wu,wd
Bd = Bu(cos2+ r2sin2)1/2
rolloff ~ BE2
d < u
Both cases,
Restriction of parameters!