Astro-E2 target: The Galactic Center Red: 1-3 keV Green: 3-5 keV Blue: 5-8 keV Sgr B2 Wang et al Yoshitomo Maeda Hiroshi Murakami 2 degree The Arches Cl.? Sgr A The Great Annihilator G Radio Arc 1E Sgr C

Pointing 1: Sgr A SMBH Sgr A* Persistent ergs s -1  Too faint Flare Max 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 ？ ) Thermal 1kT (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 eV line 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) Thermal 1.3x10 -2 c/s Neutral iron line 3.7x10 -3 c/s

center ±0.3 eV width ±0.5 eV center ±1.2 eV width ±1.5 eV He-like resonance 6.5x10 -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 filament filament  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