Title: A subaru/suprime-cam wide-field survey of GCs
1????????
??????????
?? ??(??????)
Wish upon ...
1. Diffuse light in nearby galaxy clusters 2.
Globular cluster systems in luminous Es3.
Morphology structures of distant (zgt1) galaxies
2????????????????????????
???????????????????????
WISH ???????
????????????????????????????????????
?????????????????(e.g. WINGS)?????????????????????
???????????
3IntraCluster Light (ICL)Diffuse Stellar
Component (DSC)
?????????????????
M86
M84
M87
(Mihos et al. 2005)
???????????!?
4IntraCluster Light (ICL)Diffuse Stellar
Component (DSC)
?????????????????
8??????????ICL ?????????????????????????????
(Krick Bernstein 2007)
5IntraCluster Light (ICL)Diffuse Stellar
Component (DSC)
cD ????????????????????
(Mpc)
Abell 3888
V-band
100 kpc
(Krick Bernstein 2006)
(arcsec)
6IntraCluster Light (ICL)Diffuse Stellar
Component (DSC)
cD ????????????????????
Abell 2667 ? HST/WFPC2?????? ???????????????? ICL
????????? (Covone et al. 2006)
??????Feldmeier et al. (2006) cD
?????????????????ICL ???????
7ICL ??????(1)
30
?? ?????????? ICL???
20
????????????10-20 ?????
10
??????????????????????
3
?? ?????????? ICL??(B-r)
2.5
2
?????? (???????????)
1.5
(Krick Bernstein 2007)
8ICL ??????(2)
ICL ???? intracluster objects ???????????
?Virgo ? Coma ???? intracluster PNe (Arnaboldi
04, 07)
? Virgo ? intracluster objects ? ??? old (10
Gyr) metal poor (M/H lt -1) ? (Williams 07a,
b)
Stars
GCs
Virgo stars GCs by HST/ACS(Williams 07a,b)
9DSC ??????????(1)
?????????????????????????
?????????????? DSC?????????(Rudick 06)
???????? DSC ???????????????? (e.g. Willman et
al. 2004)
?????????????????? DSC ????(Murante et al. 2007)
10????????
ICL ????????????????????????
DSC ???????????(?)????????????????????????????????
????????
? ? ? ?
??????? ? ??????????
?DSC ??? ? Merger ???
???????? merger ???? ? metal rich DSC
?????? disruption???????????? (spiral ? S0,
blue cloud ? red sequence)
? metal poor DSC
11????????
??????????????????????????????????
ICL (DSC) ?????????????????
?????????
?????
???
- (?)????- ???????
???????????????????????????????
Drory Alvarez (2008) CSFH SMF ? Merging ???
Bundy (2009) ? Pair fraction ?? ? Merger rate
ICL (DSC) ??????
12???????????????
????????????????????????????????? DSC
?????????????????????? (e.g. Somerville 2008)?
????BCG ????? z0-1 ????????(e.g. Brough
02)???????????????????????????(e.g. Borch
06)????????????????????????????????????????????(Mo
naco 06 Fontanot 07)?
? ?????BCG
? ????
???? z gt 1 ??????????
???? z lt 1 ?????????????
(Stott? 09)
13DSC ??????????(2)
?????????????????
On-going(?) assembly _at_z2around a radio galaxy
(MRC1138-262)
??????
HST/WFPC2 gI
??A
?????????????Lya
130 kpc
???/BCG ??????
(????????) diffuse ?????
(Hatch 08)
14????????????????????????
Globular Cluster (GC) systemsin luminous
early-type galaxies
???????????????????????
WISH ?????????????????????
15Globular Cluster (GC) systemsin luminous
early-type galaxies
??1??????????????????????
After galaxy subtraction
Reduced image
M87
(Tamura 06)
16Globular Cluster (GC) systemsin luminous
early-type galaxies
?????????????? ?1 ?????????
???? ? ????????????????????????????????
??????????????????????????????????????????????????
?
???????????????? Simple Stellar Population (SSP)
??????????(??????????)????????????????????????
17????????_at_??
Luminous early-type galaxies ?????bimodal
?????????????
(Larsen 2001)
V I ( ????)
?Monolithic collapse ?????????????????????????????
??bimodal ??
????????????????????????????????? multi ????
bimodal ??
18????????
Fe/H
????? ? ????????????????????????????? unimodal
??????????? bimodal ????????????(Yoon
06)?????????????????????(Spitler 08 Yoon, priv.
comm)?
mag
Yoon 06
N
BC03
PEGASE
N
?????????????????????????????????????????????????
19NGC 1407 (Tamura, in prep)
HST/ACS (archive) Suprime-Cam MOIRCS
? Outer region(SpCam MOIRCS)
? 21 lt I lt 23
BC03, age10 Gyr
? 1.2 lt BI lt 2.8
0.4
M/H-2.3
CAUION Preliminary!
20NGC 1407 (Tamura, in prep)
HST/ACS (archive) Suprime-Cam MOIRCS
Red Inner region (ACSMOIRCS)
Blue outer region (SpCamMOIRCS)
BC03 ????Yoon06 ?????
CAUION Very preliminary! Possibly model
dependent!!
21NGC 5128 (Spitler 08)
Ground-based optical Spitzer IRAC photometry
B-R
B-3.6
22?????????
Blue GCs (V-I 1.1)
Host galaxy
Red blue
Red GCs (V-I 1.1)
M87
NGC4552
1 4.7 kpc
1 4.5 kpc
(Tamura 06)
Halo light
Halo light
???????????????????????????????? 50-100 kpc
????????????????? ???????????????????????????
23??(zgt1)????????
??????? (z0-1)
?Compact spheroid ???_at_z2 (e.g. van Dokkum 2008)
??????_at_z2-3 ? rest UV morphology (Law 2007)
?Rest V morphology of LBG_at_z 3 (Akiyama 2008)
??????????????????????
FWHM on WISH 0.17 x (lmm/1mm) a few
kpc _at_zgt1
A pBzK from UKIDSS/DXS(PSF on K FWHM 1)
GALFIT on K
24???
1. Diffuse light in nearby galaxy clusters
??????????????????????
????? ? ??????(??????????????)? ???????????????
??? mV27 mag/? (cf. mVsky21)
mK25 mag/? (cf. mKsky14,
mKwish21) (Vega)
Virgo ? Fornax ????????? ICL ???????????
2. Globular Cluster Systems in luminous
early-type galaxies
????????????????????????????????????????????????G
C????????????????????????(50-100 kpc) ?
?????????
GC ?????? M(V) -7, M(K) -10
K 21 _at_ Virgo, 26 _at_ Coma (Vega)
?????????????????????GC???????
3. Morphology structures of distant galaxies
WISH ????????????????????