SSA22 4 Tomoki HAYASHINO ( Tohoku University ) for Subaru 2005 Intensive Group 2008 10 9
<ロ> <タ> <ミ> <ミ>
A
うよう
Subaru 2005 Intensive Group ;
), ), 2002   2004   2005 SSA22 z=3.1 Deep NB Survey for LAE/LAB/LAAs (SCam 7Fovs) Vcom ≈ 200 × 100 × 60Mpc³(SSA22) ； δ200 ≈ 1 (control field=SXDF 3FoV+SDF) Huge Over-density Region ! Standard CDM S.F.(ex. Millennium Simulation)     5σ event ==> Cosmology (initial fluctuation?, BAO?, at large/small? scale, CMB) ==> Very Early Galaxy Formation (GRB/HN/SN at z>>10?) Also, SSA22 Huge ODR      beyond 200Mpc scale. ====> SCALE UP ! SCam ;  by factor(Intensive×2    3) HSC  ;  by order(> ×10) <ロ> <タ> <ミ> <ミ>
H 

Steidel et al. (1998; 2000) z=2.7~3.4 LBG  PSfrag replacements 14 pencil-beam survey (9' × 9' FoV) o SSA22 (RA=22 n 17m, Dec=+00°15′) z=3.1  LBG 6 z=3.09±0.03 LAE (NB) survey Narrowband ●  72 LAEs (NB < 25.5ab, EWn > 20 Å) → 9′ × 9′ FoV o LAE 6 Steidel's survey area ; 9'×9' ( 15Mpc×15Mpc com. at z=3

1

< 0 >
s




2005 Intensive Program PI: 17 nights ⇒ 10 SSA22 z=3.09 Extensive Deep Imaging Sb1+Sb2 (≈0.43 deg², Hayashino et al. 2004; Yamauchi et al. 2006) → SuprimeCam 5 (2005/8～10) ●  NB497 (5.5 hours), B (1.0 hours), V (1.0 hours) ● Seeing FWHM ≈ 1.0 arcsec SXDF(C,N,S), SDF, GOODS-N . ( to see SSA22 overdensity δ ) NB497 <ロ> <の> <さ> <さ>  さ のなやE(B – V) map around SSA22 Schlegel et al. (1998) COBE 100μm-MAP o SSA22 -40° ● Schlegel et al. (1998) ● Cardelli et al. (1989) ● NB497 0.2 0.4
A 
.

continuum: BV = (2B + V)/3 LAE (1) NB497 < 25.8AB (⇒ Lyα 1.3 × 10-17 erg/s/cm² (2)  BV – NB497 > 1.0 (⇒ EWo > 28 Å) (3) σ (BV-NB) > 4.0 (for Sb2 field) (4)  Vc > 4σ: B – Vc > 0.2 (5)  Vc < 4σ: BV – NB497 > 1.3 ⇒ 1.3 deg²    ≈4700 1598 LAE
Total Survey Volume ≈ 200×100×60 Mpc³気9. C
Control fields: SXDF (C,N,S)+SDF Overdensity:
(ρ)
O gal
60Mpc thick each ogal = b × om, here, b=3, SSA22(entire) 4~5o(10~5~~) : Huge over-density region
NB497<25.8,   (<25.4) BV-NB= 1.0~1.7,   1.7~2.2,    >2.2 corrected EWo BV-NB ≈ 40Å 1.0 1.7 ≈ 100Å 2.2 ≈ 200Å δ200(200 × 100 × 60Mpc³) vs EW0 δring(R) ; radial profile of over-densities around Steidel’s density peak (Anti-) correlation between Very Young(High EW 0 ) LAE & LBG-like LAE(BV-NB=1.0-1.2, V<26) Lyα Size(NB497 FWHM) as a function of EW o
<ロ> <の> <さ> <さ>  さ のなや

< 0 >

うなど
H
-

s


s





< 0 >

H
-
<ロ> < ( 2 ) > < 2 >

4 [ 2 ]

4 [ 2 ]
green ;  high density region sky blue ;  low density region
.
1
<こ


< C >
気9. C


< ( 2 )  < 2 )
h
< □ >
norm. density(BV-NB>2.2 ; very young LAE)
< (2) > < 2) >
4

そう9. C
1

1うようδ200(EW0,cor > 200Å  &  fwhm > 1.2'') ≈ 3 ! δ200(EW0,cor > 200Å  &  fwhm > 1.4'') ≈ 6 !!
<ロ> <の> <さ> <さ> <さ>
SSA22 z   3 Narrowband Imaging Survey ====> need SCALE UP ! SCam ;  by factor(Intensive×2   3),  soon! ===> HSC ; by order(Intensive×10) and Survey for Other LSSs/Huge-ODRs
<ロ> <タ> <ミ> <ミ> <ミ>

VLT VIMOS obs. 2006 by Yamauchi et al.
A
<ロ> <タ> <ミ> <ミ>

blue ; emLBG red  ; absLBGうよう
Ours WF(3.3) / WF(3.1)=0.65 V < 25.5 (U-V) - 1.8(V-R) > 0.85 R-i < 0.35 Steidel’s SSA22 WF(3.3) / WF(3.1)=0.4

A
H
< ( 2 )  < 2 )
0

N気の
N < 2 > < 2 > < < 
A
A. Inoue VIMOS 2008 Obs. ==> More(~3 times) Statistics!!
・ロ・・タ・・ミ・・ミ・・・・
SSA22-Sb1 z~3 (   )         = SSA22 Sb1 2002 B(1.8h), V(1.2h) (ours) 2003 B(0.8h), V(0.8h) (Capak archived)
<ロ> <の> <さ> <さ> <さ>
Candidate Time Variability in LAB2 B02 V02 27.1mag(422adu) R02 B03 V03 NB497(Lyα) 26.5mag(685adu) V : Δflux(03-02)=263adu (1 σ =120adu) <ロ> < O > <ミ> <ミ>う