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5GA$>I9=3-/ H,!& HiZ-GUNDAM High-zGamma-ray bursts for Unraveling the Dark Ages Mission HiZ-GUNDAM WG DG>I M#(J)K 1 %'H%1& A9;I?FG2020 "L&0+.2*7G@84C @ (2018/0913) 3/4B<7EG6G:?=

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5GA$>I9=3�-/��� H�,�!��&�

HiZ-GUNDAMHigh-z Gamma-ray bursts for Unraveling the Dark Ages Mission

HiZ-GUNDAM WG DG>I��M#�(J)��K

1���%�'H�%1� &� A9;I?FG2020

"L�&�0+.2�*7G@84C@ ��� (2018/0913)

���3/4��B<7EG6G:?=���

2

Multi Messenger Astronomy & Time Domain AstronomyGravitational Wave: LIGO/VIRGO/KAGRA Neutrino: IceCube/Suber-K

BH-BH : GW150914/ LVT151012/GW151226 etc.NS-NS : GW170817 + GRB170817A @ 40 Mpc TeV/PeV neutrino : several events/yr

LIGO/Virgo/KAGRA ����'������2023����

��"%�#��'�$(����� ��!&��� ���

3

Multi Messenger Astronomy & Time Domain Astronomy

3

z=1000

z=7

z=12

z=0

z=0.5

z=6

(��� (Short GRB?)NS-NS, NS-BH, BH-BHmacronova/r-process(TeV/PeV�$)�%�(SN Shock Breakout(Tidal Disruption(Fast Radio Burst(AGN etc.(���)!)"&�(�������

(�'#� )��(GRB)��� (Pop-III)��������

(21�/4,.(GRB)

3��!�&�� (M>40Msun)3�����#&��

(energetic Hypernovae) 3E = 1050 – 1054 ergs3Black Hole 5����+'-.Short GRBs (T < 2 sec)3*20).��&��3��(?)3E = 1048 – 1051 ergs3Black Hole 5����+'-. (?)

Long GRBs (T > 2 sec)

������%$

4

�� � �"�� �

��

z = 1089

&Nz > 7 O��P<��O0'<���87<5�+��<�� O^a[Y_dbO0'ML5.1:A =

5

z = 7

z i20

�����NVGHI<��J O�A'QUG9O!��W�"E<��4W/B�@F�A�BM)$KMHI=T

2020��N?=IJD><��ePop-III�f@SO*�(M��W#�JBTOPXc`-]dZ\OR

138��z = 0

Larson & Bromm (2001)

�;��O,%K����O�6C

z = 7

h-g32�-

Key Science1: !���"

GRB 130606A @ z = 5.913

6

GRB 050904 @ z = 6.295

61 3 σ��5���2*%�& &4��<?- �/8��9�.0

)$���GRB5#�

Kawai et al. (2006), Totani et al. (2006)

Totani et al. (2014)

E %�& &4�(9�,3+E?C>@D-B=�352�"!9��.7/+E��%�4�'/852�A;:?3#�

F3.5��G F10�&�G

7

Key Science2: G�&� �U�ES$K!2+�U*9

v5tC?�5

G�&S�"PQX53-��U-6�C?�5�!D8'q/�<.b\deS a`roU��U#:SL]fm_r�F

qj`ngpZU�%�S[b\`cUE

X5TWY Off-axis Jet U8'�7�uC?�5TWYa`roU#� (el^rMX1041��)

C?�5UVRAO� L@G�4 (Z > 60) UI�H(BH-NS, ��UNSN��L[b\`c>H < 10-3 Msun, etc.s

hkd`irmN;,PQ0JU$K!2�BRU(*)=U*9

8

(1) X <beg85�� (GRB /SGRB a`) c/�(2)="�$_���,h?YV:3006#Zf�A��GE�<-LO_2��ym�w�ihHB3

(3) WC;a'�XW3�E'�7XW)g\Xh�+P�bj��u(4) GRB54Zf 1.5 +P�b��-LObegC;a �B3

TAO, ]dg, VLT, Keck, Gemini, JWST, E-ELT, GMT, TMT, etc.

Total: 441 kg

HiZ-GUNDAM%^�[rnq~�� 2024 (������1)

@*FK �Q�.0FK (twilight)

���,J 1 deg/sec

oru TUS��@*DN : 441 kg

ztp��.P > 3 years

j��uI�'! k�ql{ SBD

|�x�& 81� ((VRV>V�V9)

ztp��1�:

�AM�<}vs�: 115.3 kg (6 units)

GE�<-LO : 74.1 kg

k�ql{ SBD : 1.6 kg (with antenna)

@*xr : : 250 kg

Ka (5.90 keV) Kb (6.49 keV)

LD0.39 keV

#*-$/���200 eV (FWHM)

9

��1�,)(/

Items ParametersEnergy band (keV) 0.4 – 4 keVTelescope type: Lobster Eye OpticsOptics aperture 240 x 320 mm2

Number of Unit 6Field of View ~ 1.2 str (6 units)Focal length 300 mmFocal plane detectors CMOS arrayNumber of CMOS 24 (4 CMOS x 6 units)Sensitivity 1e-10 (erg/cm2/s)

For 100 secPoint Spread Function 3 arcminAngular accuracy ~ 60 arcsec

Swift/BAT ���1.5�2 ���

240 mm

320

mm

Lobster Eye ��� (Micro Pore Optics)

CMOS "+/&'.%

20μm

6μm

���"+/&

���0 0 degreeSingle pixel event0.1 sec ��

Leicester �� !����

10

Items ParametersTelescope type Offset GregorianAperture size 30 cmFocal length 183.5 cmF number F6.1Field of view 34 arcmin ×34 arcminFoV per pixel 2 acsec × 2 arcsecImage size 3 pixel × 3 pixel Integration time 10 minutes (2 minutes x 5 frames)Observation Band (μm) 0.5−0.9 0.9−1.5 1.5−2.0 2.0−2.5

Band width 0.4 µm 0.6 µm 0.5 µm 0.5 µmLimiting Magnitude mag (AB) 21.4 21.3 20.9 20.7

Focal detector HyViSi HgCdTe HgCdTe HgCdTe

4?@>����'&�"�(+ Lyα � or <;=&

AB M

agni

tude

with

out a

bsor

ptio

n 3s confidence region

A X"4���� � (3 arcmin)4�3��-'�4&$*�.�: #�5!20% ��

A High-z GRB 0 low-z dusty GRB 5photometry /�� #

�,�9X"4��)21/4��8%7:

&��� z < 12 6/�� #

120-/�

��

�!&"��

$��'�

12% of all sky

2% of all sky

��

(erg

/cm

2 /s)

� �/.43 (�) � �/.43 (�)

Swift/BAT

HiZ-GUNDAM

11

X-ray event/yrGRB (z>9) best model 40GRB (z>9) lower limit > 15

GW/SGRB prompt ~8GW/SGRB E.E. ~8

GRB/SGRB ~700Low-Luminosity GRB > 5

X-Ray Flash 50

X-ray event/yrTidal Disruption 60

SN Shock Breakout > 5Stellar Flare many

Direct collapse BH a fewAccretion induced

collapse~10

������*,+� (�)

��

��

�+

��

��

�$�"%#() !

�� +�

Too lateObservation start

Near Infrared event/yrafterglow (z>9) best model 34afterglow (z>9) lower limit > 13

macronova ~8 + αSupernovae 40afterglow of

GRB/SGRB/XRFmany

Variable stars many

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12

e�\sY�\v�_<0�������

2015/04/10 : �������ug�_<0���������:T���h�UL2015/06/30 : ����uz|gHiZ-GUNDAMubm|KA/4£9¤h�-�

2018/01/29 : ��!�O3u m|���� � ���9�-92018/02/19 : �=��� �£Z^¤2018/05/17 : �=��� �£Z^¤ Pre-phase A1b (������@ [����) v

:T�a�m|oxvVdR>�Mpqi|

2012$& : �¢� ���¢�UJ£��F�EI(¤

e�\£51v�¢���� 2018$9672¤5��Vd£�_<0�¤fe�\ynv�@u�lH;Cu��¢�m|

Y�\£51v#GP 2015¤�?`\.r,]m|������v�8fSPICA/TMTv�%������sDQC��_v\.uz{c1CtEIv]"j7'rk|

�������r���¢�� 2020w�loXWjM~}|��

SBv]*

������rvXW

���¢�� 2017 +) £�N��EISB¡��I¤

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81�/32��

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WBS

15

ENP�:;]ENP Science Advisory Committee +R-'DH��M ToO1$LG@H65R<�EP]7�.�� M&�=�R)�]89K ToO1$B�%ICPOA4�_LIGO O3 LH30`

VLT�:;]#��MWG Z\X^R��L1$�=R)�

Gemini �:;]ENPJGeminiM�=���R&ICPOAL!2

Keck �:;] Caltech (*/JM��(*�R",D?1$�=R)�

�Y[USTWL>QP���MZ\V^B��JKFH1$R�

���:;M�=)�

16

Frontier of Early Universe andExtreme Space-Time