astro-e2 target: the galactic center red: 1-3 kev green: 3-5 kev blue: 5-8 kev sgr b2 wang et al....
TRANSCRIPT
Astro-E2 target: The Galactic Center
Red: 1-3 keV Green: 3-5 keV Blue: 5-8 keV
Sgr B2
Wang et al. 2002
Yoshitomo MaedaHiroshi Murakami2 degree
The Arches Cl.? Sgr A
The Great Annihilator
G 0.9+0.1
Radio Arc
1E1743.1-2843
Sgr C
Pointing 1: Sgr A
SMBH Sgr A* Persistent 1033 ergs s-1
Too faintFlare Max 1035-36 ergs s-1
Can detect
Sgr A East: MM SNR (W49B Type?)A SNR at 20” offset from A*Strong Fe- K (EW~3keV)
Line dynamics & plasma diagnostics with XRS
XRS
(Plasma motion, & age ? )
Thermal1kT (CIE)!!
S ArCa Fe
Sgr A East (100 ksec)
0.85 c/s/XRS
XRS Simulation (100 ksec)Sgr A East (100 ksec)
( line center ±0.3 eV 、 line width ±0.2 eV)
0.19 c/s/XRS
He-like Resonance: 0.19 c/s/XRS
Galactic Rotation
Sgr A East
Pointing 2: Sgr B2
Sgr B2 X線反射星雲外部のX線源に照らされて蛍光で輝いている 中心核の過去の活動性?
Cloud velocity, Compton scattered line 照射源特定
Murakami, Koyama & Maeda (2001)
6-7 keV
6x6( normal )
Sgr B2 (100 ksec)
0.20 c/s/XRS
Compton recoil
line center ±0.3 eVline width ±0.4 eV
Neutral iron line: 7x10-3 c/s/XRS
Compton ±10 eV
Pointing 3: Radio Arc
Radio Arc SNR? Shock? XRN?色々な放射が混在
⇒ non-thermal
⇒ 中性鉄輝線
⇒ Thermal + 中性鉄輝線
Radio Arc (100 ksec) Thermal1.3x10-2 c/s
Neutral iron line3.7x10-3 c/s
center ±0.3 eVwidth ±0.5 eV
center ±1.2 eVwidth ±1.5 eV
He-like resonance6.5x10-4 c/s
Radio
Mid-infrared
6.4 keV line (fluorescent radiation)
Galactic Center Across the Spectrum
6x6( normal )
Pointing 4: Sgr C
XRN? + radio filamentfilament shock 加速?XRN Sgr B2 と対照的な位置で中心核起源かどうか探るのに重要
Plasma plasma motion negative longitude も見るのが
重要
電波の filament の絵