SGD

SXS

HXT

SXT-I

SXT-S

SXI HXI

The NeXT satelliteNon Thermal Universe, Heavily Hidden

BHs.• SXI (CCD) + SXI-T (Supuer Mirror)

- Imaging Spectroscopy at 0.3-20 keV

• HXI (DSSD/CdTe) + HXT (Super Mirror)

- Imaging Spectroscopy at 5-80 keV

• SXS (μCalorimeter) + SXT-S (Mirror)

- Precise Spectroscopy at 0.3-10keV

• SGD (CdTe Compton Camera)

- Low BGD observation at 10-300keV

SXI : imaging spectroscopy at lower

X-ray energy band

X-ray spectrum of the blank sky per unit X-ray effective area, per

unit sky.The background for diffuse X-ray

object.

Detector BGD

dominates

CXB dominates

Yamaguchi et al.

SIS0

XIS-FIXIS-BI

CXB

Effective Area of Suzaku XIS

Detector BGD

dominates

CXB dominates

Supermirror

Effective Area of SXT-I + SXI

300μm

200μm

100μm

70μm

Au Edge

5 50X-ray Energy (keV)10 206

FL=9m2.62mm/arcmin

0 10 20 30off-axis position (mm)

CCD IA=50mm x 50mm

FOV 50mm FOV (diagonal)50mm x 1.41

19arcmin27arcmin

Target spec. of CCD-NeXT

CI to measure CTI of each vertical

column.IA IA

FS FS

FS FS

IA IA

24 x 24um2Pixel Size 24 x 16um2

50mm

(19

’)

2Kpi

x

85mm

50mm (19’) 2Kpix

•Two mechanically independent chips•Four electrically independent CCD

Al coating for optical block and

reduction of thermal input to

CCD.

Nakajima et al. NIM(2005)

DL =200 (>70)μm