IC 443 ~~()()(ISAS)

IC 443

1.IC443d~1.5kpcl=189.1, b=+3.0Mixed-Morphology SNR()Type II XMM-NewtonIC 443(1.4-5keV)45 20pc

ROSATXVLADSS

21cm

45 20pcXMM-Newton X-rayimage(0.3-5keV).Suzaku Observation07/March 40ksecSuzaku X-ray imagebrown0.7-3keVcontour:3-5.5keV

Suzaku XIS Spectrum(Non-X-ray BGD subtracted / FI2)

Emission mechanismHe-like ionH-like ion

Fitting : NH=7e21 /cm2() 1.04 (1.03-1.05)keV Si~1.4, S~1.2, Ar~1.3, Ca~1.0, Fe~0.6Reduced ^2 = 6.19 [^2/d.o.f = 1789/289]BIFI

New model : Bremss+linesBremss 1.06(1.05-1.07)keV / 0.16(0.00-0.28)keVSi Ly/K 1.06(1.05-1.06)keV SArCa Ly/K 1.35(1.32-1.37)keV^2 = 2.97 [^2/d.o.f = 845/285]

possibly radiative recombination continuum(RRC:)!?EXRRCn=3

Bremss+lines+FRRC+HRRCBremss 0.95(0.92-1.00)keV / 0.59(0.52-0.66)keVRRC 0.41(0.37-0.48)keVSi Ly/K 1.08(1.07-1.09)keV SArCa Ly/K 1.38(1.35-1.41)keV^2 = 1.09 [^2/d.o.f = 306/280]

3RRC

RRC

PulsarOff-beamGRB-remnant!?GRBRRCGRB 070828 / GRB 991216

bonus If we observe IC 443 with microcalorimeterAstro-H

IC 443

() ()

(StepA)Bremss+linesBremss 1.06(1.05-1.07)keV / 0.16(0.00-0.28)keVSi Ly/K 1.06(1.05-1.06)keV SArCa Ly/K 1.35(1.32-1.37)keV^2 = 2.97BIFI

BremssCXBHe-likeH-like

(StepD)Bremss+lines+FRRC+HRRCBremss 0.95(0.92-1.00)keV / 0.59(0.52-0.66)keVRRC 0.41(0.37-0.48)keVSi Ly/K 1.08(1.07-1.09)keV SArCa Ly/K 1.38(1.35-1.41)keV^2 = 1.09

1.APEC2./= / Ly/Ly= / 0.35keV0.22keVLy-beta

3.

SNR

(StepD)Bremss+lines+FRRC+HRRCBremss 0.95(0.92-1.00)keV / 0.59(0.52-0.66)keVRRC 0.41(0.37-0.48)keVSi Ly/K 1.08(1.07-1.09)keV SArCa Ly/K 1.38(1.35-1.41)keV^2 = 1.09

(StepB)Bremss+lines+FRRCBremss 0.94(0.88-0.97)keV / 0.56(0.50-0.64)keVRRC 0.48(0.44-0.59)keVSi Ly/K 1.08(1.07-1.09)keV SArCa Ly/K 1.39(1.39-1.42)keV^2 = 1.21

(StepC)Bremss+lines+HRRCBremss 0.91(0.86-0.95)keV / 0.61(0.48-0.68)keVRRC 0.59 (0.53-0.64) keVSi Ly/K 1.08(1.07-1.09)keV SArCa Ly/K 1.23(1.19-1.25)keV^2 = 1.53

RRCLy/K

NorthSouth(7.5)NorthNXBCXBKushino et al.2002FI.NXBXIS(0.7-3keV)

Step2.LykT~0.35keV, NH~4.9e21/ O~0.2Ne~0.5Mg~0.4, SI~0.8, Fe~0.2RRCFe-LRRCNormalizationONeS(L)Si(L)->H-likeKH-like->He-likeK->H-likeL

Step1. BremssSi+3.2eVFI7e21 Bremss0.82keV/ ^2=87Step2.APECA-B*exp(-kT/C) wabs*( bremss + ga + sihega + ga + sihga +)SiKA,B,C

SiKnormKSiLySiLynormLysihe

1.eVeVSiSKLy3.5(~1keV)FI +4eVBI -9eVFI BIFIBISi K

Si Ly

S Ly

S K

2.///APEC/= A*exp(-B/kT)AB1/kTln(/)///linear)He-like H-like SiSArCaFe

Ly/KSi,S,ArCaSiexp()APECLy/K a+b*exp(kT/c)APEC

RRCAPECRRCKLyLy/KFRRC/HRRC:FRRC/KFRRC/Ly

FRRCFull ionizedRRC,HRRCH-likeRRCSiS

5.

FI+4eV, BI-9eV7e21CXBKushino et al.(2002)Si,SAr,Caa=(2)LyKb=RRCSiSRRC1.8-8keVFIBI

wabs*( bremss + power + redge + .. + [ga + sihebga + sihec ga + sihedga ] + sia * [ga + sihb ga + sihc ga + sihd ga] + )SiS&Ar&CaPowerCXB

(StepD)Bremss+lines+FRRC+HRRCBremss 1.05(1.03-1.08)keV / 0.37(0.29-0.49)keVRRC 0.11(0.09-0.13)keVSi Ly/K 1.07(1.06-1.09)keV SArCa Ly/K 1.33(1.27-1.39)keV^2 = 1.48MgRRC

(StepF)MgFRRC+HRRCBremss 1.66(1.37-1.68)keV / 1.15(0.73-2.53)keVRRC 0.16(0.13-0.18)keVSi Ly/K 0.97(0.94-1.02)keV SArCa Ly/K 1.48(1.43-1.54)keV^2 = 1.01

2. Vapec~2~3. Vapec~2~ 1.15(1.13-1.17)keV0.55(0.50-0.72)keVSi~1.5, S~1.3, Ar~1.3, Ca~0.9, Fe~0.3Reduced ^2 = 6.05 [^2/d.o.f = 1738/287] 1.12(1.11-1.13)keV0.21(0.17-0.22)keVSi~1.4, S~1.2, Ar~1.2, Ca~0.8, Fe~0.3Si~117,0Reduced ^2 = 5.74 [^2/d.o.f = 1620/282]

5.Bremss+lines+FRRCBremss 0.94(0.88-0.97)keV / 0.56(0.50-0.64)keVRRC 0.48(0.44-0.59)keVSi Ly/K 1.08(1.07-1.09)keV SArCa Ly/K 1.39(1.39-1.42)keV^2 = 1.21 [^2/d.o.f = 340/282]