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High-z Gamma-ray bursts for Unraveling the Dark Ages Mission

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Multi Messenger Astronomy & Time Domain Astronomy
Gravitational Wave: LIGO/VIRGO/KAGRA

BH-BH : GW150914/ LVT151012/GW151226 etc.
NS-NS : GW170817 + GRB170817A @ 40 Mpc

Neutrino: IceCube/Suber-K

TeV/PeV neutrino : several events/yr

LIGO/Virgo/KAGRA '2023"%#'$( !& 2

Multi Messenger Astronomy & Time Domain Astronomy
z=1000z=12z=7z=6z=0.5z=0('# )(GRB)
 (Pop-III)
( (Short GRB?)
NS-NS, NS-BH, BH-BH
macronova/r-process(TeV/PeV $)%
(SN Shock Breakout(Tidal Disruption(Fast Radio Burst(AGNetc.
( )!)"&
(  33

(21/4,.(GRB) %$
Long GRBs (T > 2 sec)3!& (M>40Msun)
3#&(energetic Hypernovae)
3E = 1050 – 1054 ergs
3Black Hole 5 +'-.
Short GRBs (T < 2 sec)3*20).&3(?)
3E = 1048 – 1051 ergs
3Black Hole 5 +'-. (?)

" 4

Key Science1:z = 1089!"z=0z=7138z i20
;O,%KO6C

Larson & Bromm (2001)z=7NVGHI<JOA'QUG9O !W"E<4 W/B@FABM)$KMHI=T&Nz > 7 OP< O0'<87<5+O^a[Y_dbO0'ML5.1:A =<h- g32 -2020N?=IJD>< ePop-IIIf@SO*(MW#JBTOPXc`-]dZ\OR5)$GRB5#
GRB 050904 @ z = 6.295

F3.5GGRB 130606A @ z = 5.913 F10&GKawai et al. (2006), Totani et al. (2006)

61 3 σ52*%& &4
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E %& &4(9,3+E?C>@D-B= 352"!9.7/+
E%4'/852A;:?3#

Totani et al. (2014)6

Key Science2: G& UES$K!2+U*9G&S"PQX53-U-6C?5!D8'q /<.b\deS a`roUU#:SL]fm_rF
X5TWY Off-axis Jet U8'
7uC?5TWYa`roU# (el^rMX1041)q j`ngpZU%S[b\`cUEC?5UVRAO L@G4 (Z > 60) UIH
(BH-NS, UNSN L[b\`c>H < 10-3 Msun, etc.sv5 tC?5hkd`irmN;,PQ0JU$K!2BRU(*)=U*97

(1) X <beg 85 (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 B3TAO, ]dg, VLT, Keck, Gemini, JWST, E-ELT, GMT, TMT, etc.

ztp1:AM<}vs: 115.3 kg (6 units)GE<-LO : 74.1 kgkql{ SBD
: 1.6 kg (with antenna)
Total: 441 kg@*xr: : 250 kg%^[rnq~@*FK,Joru@*DN
ztp.PjuI'!
|x&

HiZ-GUNDAM
2024 ( 1)
Q.0FK (twilight)
1 deg/sec
TUS: 441 kg
> 3 yearskql{ SBD
81 ((VRV>VV9)81,)(/Lobster Eye  (Micro Pore Optics)
6μm

320 mm

20μm

240 mmItems
Energy band (keV)
Telescope type:Optics aperture
Number of Unit
Field of View
Focal length
Focal plane detectors
Number of CMOS
Sensitivity
Point Spread Function
Angular accuracy

Swift/BATParameters
0.4 – 4 keV
Lobster Eye Optics
240 x 320 mm2
6~ 1.2 str (6 units)
300 mmCMOS array
24 (4 CMOS x 6 units)
1e-10 (erg/cm2/s)
For 100 sec
3 arcmin~ 60 arcsec

1.52



CMOS "+/&'.%

Leicester  !
#*-$/
200 eV (FWHM)
Ka (5.90 keV) Kb (6.49 keV)LD
0.39 keV"+/&

 0 0 degree
Single pixel event
0.1 sec 94?@>

ItemsParameters
Telescope type
Offset Gregorian
Aperture size
30 cm
Focal length
183.5 cm
F number
F6.1
Field of view
34 arcmin ×34 arcmin
FoV per pixel
2 acsec × 2 arcsec
Image size
3 pixel × 3 pixel
Integration time
10 minutes (2 minutes x 5 frames)
Observation
0.5−0.9 0.9−1.5 1.5−2.0 2.0−2.5
Band (μm)
Band width
0.4 µm 0.6 µm 0.5 µm 0.5 µm
Limiting
21.4
21.3
20.9
20.7
Magnitude mag (AB)Focal detector
HyViSi HgCdTe HgCdTe HgCdTe

AB Magnitude without absorption'&"(+Lyα  or <;=&

3s confidence region& z < 12 6/#A High-z GRB 0 low-z dusty GRB 5
photometry /  #A X"4  (3 arcmin)43
-'4&$*.: #5!20% , 9X"4 )21/4
8%7:10

 

Swift/BAT

2% of all sky

HiZ-GUNDAM

12% of all sky 120-/$"%#()
!&"$'+!  (erg/cm2/s)

 + 

Too late
Observation start*,+
/.43 ()()/.43 ()X-ray
event/yr
GRB (z>9) best model
40
GRB (z>9) lower limit> 15
GW/SGRB prompt~8GW/SGRB E.E.
~8GRB/SGRB~700
Low-Luminosity GRB>5X-Ray Flash50

X-rayTidal Disruption
SN Shock Breakout
Stellar Flare
Direct collapse BH
Accretion inducedcollapse

event/yr60>5manya few
~10

Near Infrared
afterglow (z>9) best model
afterglow (z>9) lower limit
macronova
Supernovae
afterglow ofGRB/SGRB/XRF
Variable stars

event/yr34> 13~8 + α40
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5Vd£ _<0¤fe\ynv@ulH;Cu¢m|Y\£51v#GP 2015¤?`\.r,]m| v8fSPICA/TMTv% sDQC
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VLT:;] #M WG Z\X^RL1$=R)
Gemini :;] ENPJGeminiM=R&ICPOAL!2

Keck :;] Caltech (*/JM

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Frontier of Early Universe andExtreme Space-Time

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