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
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????????????????????????
???????????????????????

WISH ???????
????????????????????????????????????
?????????????????(e.g. WINGS)?????????????????????
???????????
3
IntraCluster Light (ICL)Diffuse Stellar
Component (DSC)
?????????????????
M86
M84
M87
(Mihos et al. 2005)
???????????!?
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IntraCluster Light (ICL)Diffuse Stellar
Component (DSC)
?????????????????
8??????????ICL ?????????????????????????????
(Krick Bernstein 2007)
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IntraCluster Light (ICL)Diffuse Stellar
Component (DSC)
cD ????????????????????
(Mpc)
Abell 3888
V-band
100 kpc
(Krick Bernstein 2006)
(arcsec)
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IntraCluster Light (ICL)Diffuse Stellar
Component (DSC)
cD ????????????????????
Abell 2667 ? HST/WFPC2?????? ???????????????? ICL
????????? (Covone et al. 2006)
??????Feldmeier et al. (2006) cD
?????????????????ICL ???????
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ICL ??????(1)
30
?? ?????????? ICL???
20
????????????10-20 ?????
10
??????????????????????
3
?? ?????????? ICL??(B-r)
2.5
2
?????? (???????????)
1.5
(Krick Bernstein 2007)
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ICL ??????(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)
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DSC ??????????(1)
?????????????????????????
?????????????? DSC?????????(Rudick 06)
???????? DSC ???????????????? (e.g. Willman et
al. 2004)
?????????????????? DSC ????(Murante et al. 2007)
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????????
ICL ????????????????????????
DSC ???????????(?)????????????????????????????????
????????
? ? ? ?
??????? ? ??????????
?DSC ??? ? Merger ???
???????? merger ???? ? metal rich DSC
?????? disruption???????????? (spiral ? S0,
blue cloud ? red sequence)
? metal poor DSC
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????????
??????????????????????????????????
ICL (DSC) ?????????????????
?????????
?????
???
- (?)????- ???????
???????????????????????????????
Drory Alvarez (2008) CSFH SMF ? Merging ???
Bundy (2009) ? Pair fraction ?? ? Merger rate
ICL (DSC) ??????
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???????????????
????????????????????????????????? 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)
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DSC ??????????(2)
?????????????????
On-going(?) assembly _at_z2around a radio galaxy
(MRC1138-262)
??????
HST/WFPC2 gI
??A
?????????????Lya
130 kpc
???/BCG ??????
(????????) diffuse ?????
(Hatch 08)
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????????????????????????
Globular Cluster (GC) systemsin luminous
early-type galaxies
???????????????????????

WISH ?????????????????????
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Globular Cluster (GC) systemsin luminous
early-type galaxies
??1??????????????????????
After galaxy subtraction
Reduced image
M87
(Tamura 06)
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Globular Cluster (GC) systemsin luminous
early-type galaxies
?????????????? ?1 ?????????
???? ? ????????????????????????????????
??????????????????????????????????????????????????
?
???????????????? Simple Stellar Population (SSP)
??????????(??????????)????????????????????????
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????????_at_??
Luminous early-type galaxies ?????bimodal
?????????????
(Larsen 2001)
V I ( ????)
?Monolithic collapse ?????????????????????????????
??bimodal ??
????????????????????????????????? multi ????
bimodal ??
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????????
Fe/H
????? ? ????????????????????????????? unimodal
??????????? bimodal ????????????(Yoon
06)?????????????????????(Spitler 08 Yoon, priv.
comm)?
mag
Yoon 06
N
BC03
PEGASE
N
?????????????????????????????????????????????????

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NGC 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!
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NGC 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!!
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NGC 5128 (Spitler 08)
Ground-based optical Spitzer IRAC photometry
B-R
B-3.6
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?????????
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
????????????????? ???????????????????????????
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??(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
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???
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 ????????????????????