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SINS high redshift galaxy S pectroscopic I maging survey in the N ear-IR with S INFONI - PowerPoint PPT Presentation

SINS high redshift galaxy S pectroscopic I maging survey in the N ear-IR with S INFONI N.M. Förster Schreiber A.E. Shapley, D.K. Erb, C.C. Steidel Princeton/CfA/Caltech SINS SINFONI GTO science program on high redshift galaxies MPE-IR/Submm Group, USM/MPE Group, NOVA Group

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SINS high redshift galaxy S pectroscopic I maging survey in the N ear-IR with S INFONI

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SINS

high redshift galaxy

SpectroscopicImagingsurvey

in the

Near-IR with SINFONI

N.M.

Förster

Schreiber


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A.E. Shapley, D.K. Erb, C.C. Steidel

Princeton/CfA/Caltech

SINS

SINFONI GTO science program on high redshift galaxies

MPE-IR/Submm Group, USM/MPE Group, NOVA Group

and collaborations

N.M. Förster Schreiber, R. Genzel, M. D. Lehnert, L.J. Tacconi,

A. Verma, N. Bouché, N. Nesvadba, R. Davies, D. Lutz,

F. Eisenhauer, K. Shapiro, G. Cresci, R. Abuter, S. Gillessen,

A. Gilbert, R. Bender, S. Seitz, A. Sternberg

MPE/USM/Oxford/Berkeley/LLNL/Tel Aviv

A. Cimatti, E. Daddi, A. Renzini, X. Kong, V. Mignoli, N. Arimoto

Bologna/CEA Saclay/Padova/Hefei China/NAO Japan


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Open issues...

Angular momentum?

Dissipation?

Connection between bulge and disk formation?

Timescales?

Star formation efficiency?

Baryonic mass accretion?

Feedback? Environment?

Where do observed populations fit?

Relation between DM and baryons?

Evolution as function of mass?

Inside-out?

?

Galaxy Formation and Evolution


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spatially resolved kinematics, morphologies, metallicities, ionization

dynamical masses, dynamical timescales, angular momentum

evolution of dynamics, star formation, metallicity

relationships between various high redshift samples

role of feedback, role of environmental effects

SINS

Survey of z ~ 1 – 4 galaxy populations from

NIR integral field spectroscopy with SINFONI @ VLT

To date: ~50 objects (BM/BX, BzK, K bright, LBGs, SMGs, ...)


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SPIFFI ionization

MACAO

(MPE/NOVA/ESO, P.I. F. Eisenhauer)

(ESO, P.I. H. Bonnet)

60-element curvature sensor AO system / bimorph mirror with APDs

Cryogenic integral field spectrometer with reflective image slicer

Natural & Laser Guide Star operations, seeing-limited mode

HAWAII 2RG 2k2 detector

3 pixel scales: 25, 100, 250 mas FOVs 0.80.8, 3.23.2, 88

4 gratings: J, H, K, H+KR ~ 2000 – 4500

Total throughput ~ 30%

Eisenhauer et al. (2003) Bonnet et al. (2004)

ESO PR 24b/04

SINFONI at the VLT



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Q1307 ionization–BM1163

z=1.41

Q1623-BX376a

z=2.41

Q1623-BX447

z=2.15

Q1623-BX543

z=2.52

Q1623–BX455

z=2.41

Q1623–BX502

z=2.16

Q1623–BX528

z=2.27

Q1623–BX599

z=2.33

1

[NII]

[NII]

Q2343–BX610

z=2.21

Q2346–BX416

z=2.24

Q2346–BX404

z=2.03

Q1623–BX663

z=2.43

SSA22a–MD41

z=2.17

Q2343–BX389

z=2.17

Q2346–BX482

z=2.26

Q2346–BX405

z=2.03

[NII]

[NII]

[NII]

[NII]

500km/s

K20–ID5

z=2.23

K20–ID6

z=2.23

K20–ID7

z=2.22

K20–ID8

z=2.22

K20–ID9

z=2.04

BzK–6004

z=2.39

BzK–15504

z=2.38

SA12–6339

z=2.30

[OIII]

[OIII]

[NII]

[NII]

BzK–12556

z=1.59

SA12–5241

z=1.36

SA12–6192

z=1.51

SA15–5365

z=1.53

BzK–7144

z=1.65

[NII]

[NII]

[NII]

Q1422+231–d81

z=3.10

Q0347–383–c5

z=3.23

SMM14011+0252

z=2.56

SMM04431+0210

z=2.51

[OIII]

[OIII]

[NII]

[NII]

[NII]

[NII]

[OIII]

[OIII]

1


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BX galaxies ionization

FWHM ~ 0.5 – 0.6  ~ 4.5 kpc

Förster Schreiber et al. (2006)

(SINFONI sample drawn from Erb et al. 2006)

2D kinematics with SINFONI

Orbital motions at z~2


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Rotation curves to ionizationr ~ 10 kpc at z ~ 2

15 BX galaxies at z~2.2

 local

late-type

spirals

rapid accretion/

gas exhaustion

gas-rich

<r1/2> = 4.4 kpc (range: 2–7 kpc)

<vc> = 180 ± 90 km s-1

Mdyn ~ (0.5 – 25) 1010 M

vc/σ ~ 2–4

j ~ 103 km s–1 kpc

dyn ~ 103 M pc–2

Förster Schreiber et al. (2006)

Properties of SINFONI BX sample


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17 ionization

BzK–15504 at z  2.38

V=16.7

FWHM ~ 0.15  ~ 1.2 kpc

K=19.2

Genzel et al. (2006)

(Daddi et al. 2004; Kong et al. 2006)

2D kinematics with SINFONI+AO


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Rel. offset (kpc) ionization

250

180

130

110

60

30

-200

-150

-50

0

50

150

200

Rel. offset (arcsec)

Large, massive, gas-rich disk

0.5

0.5

Rel. offset (kpc)

Converting rapidly

v(Hα) (km/s)

σ(Hα) (km/s)

a significant fraction of

its baryonic mass into stars

Rel. offset (arcsec)

Rel. offset (kpc)

vc = 230 km s-1

r1/e 4.5 kpc

gas ~ 350 M pc–2

Mdyn  1.1  1011 M

vc/σ 3

M 0.8  1011 M

SFR ~ 1 M yr–1kpc–2

SFR ~ 150 M yr–1

Mgas 0.4  1011 M

~ gas~500 Myr

Rel. offset (arcsec)

A “Protodisk” at z~2

BzK–15504 at z  2.38

v(Hα) (km/s)

σ(Hα) (km/s)

Genzel et al. (2006)


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Core ( ionizationr  0.5 kpc)

Magnification ~20x

FWHM ~ 0.5  ~ 200 pc

~ bulges of local L* spirals

Mdyn ~ 2  109 M

dyn ~ 3  103 M pc–2

Dynamics on small scales

1E0657-56 Arc+Core: strongly lensed LBG at z  3.24

ACS F814W

Arc

8

Core

Forman-Jones et al.

SINFONI [OIII]

(greyscale)

R band (contours)

(Mehlert et al. 2001)

Nesvadba et al. (2006)


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SINS: spatially-resolved studies at z ~ 1 – 4 with SINFONI ionization

This talk:

Witnessing galaxy mass assembly in detail

Evidence for large, massive, gas-rich rotating disks at z~2–3

Significant amount of baryonic mass in central regions at z~2–3

Inside-out scenario

2 Gyr

38 kpc

Genzel et al. (2006)

Immeli et al. (2004)

Summary


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H ionizationα

[NII]

K continuum

1

[NII]/Hα

v (Hα)

Δv (Hα) (FWHM)

Förster Schreiber et al. (2006)

Spatially-resolved metallicity & SF

Q2343–BX610 at z = 2.21


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H ionizationα

Kcontinuum

continuum/Hα

0.07

0.25

1

0.19

[NII]

[NII]/Hα

[NII]/Hα

0.15

0.3

0.1

0.5

0.6

0.4

0.6

0.3

0.8

0.5

0.4

0.25

0

Genzel et al. (2006)

Spatially-resolved metallicity & SF

BzK–15504 at z = 2.38


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Line maps ionization

A

B

H

[OIII]5007

Velocity fields

C

C

B

A

[OIII]5007

H

Spatially-resolved metallicity & SF

Q2343–BX389 at z 2.17


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nucleus ionization

(θ=1”)

Lyα

CIV

HeII

CIII]

BzK-15504 (z=2.38)

Kong et al. 2006

Daddi et al. 2003, 2004


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BX/K ionization

Abadi et al. 2003

Rotation and angular momentum


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model rotating exponential disk ionization

flux

velocity

dispersion

  • Characteristic signatures of a rotating disk

  • maximum, smooth velocity gradient along morphogical major axis

  • velocity dispersion peaks at center of velocity gradient (and continuum peak if present)

  • ‘spider’ diagram of iso-velocity contours = sinosoidal variation of velocities as a function of disk angle

  • kinematic inclination = morphological inclination

Model rotating disk


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3 ionization

1

BX405

8.3 kpc

Ks

BX404

SINFONI H (2h K-band)

Shapley et al. 2004; Erb et al. 2003, 2004

Förster Schreiber et al. 2006

BM/BX objects

BX 404/405 z = 2.03


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ionizationv = –200 km/s

v = –100 km/s

v = 0 km/s

HST/WFPC2

v = +100 km/s

SINFONI Ha

v = +200 km/s

v = +300 km/s

1

8 kpc

Shapley et al. 2004; Erb et al. 2003, 2004

Förster Schreiber et al. (in prep.)

BM/BX objects

MD41 z = 2.17

H channel maps


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[OIII] ionization5007

HST/WFPC2

F702W

1

7.5 kpc

A

B

SINFONI (4h K-band)

A

B

[OIII] 5007 velocity field

SINFONI

Lyman-Break Galaxies

Q0347–383 C5 z = 3.23

Pettini et al. 2001

Nesvadba 2005 (PhD Thesis)


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SINFONI ionization

H line map (colours)

Line-free K continuum

n

J2

c

J2

se

J1

J1

ISAAC K-band

Line-free K continuum

WFPC2 F702W (contours)

SINFONI

2

SINFONI

5h40 K-band

1h30 H-band

1h10 J-band

Tecza et al. 2004; Nesvadba 2005 (PhD Thesis)

e.g. Ivison et al. 2001; Smail et al. 2005

Submm-selected Galaxies

SMMJ14011+0252 z = 2.56

n


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J1 ionization

J2

H line map (colours)

J2

Line-free K continuum

J1

SINFONI

2

J1

J1

n

J2

J2

c

J2

se

J1

Submm-selected Galaxies

SMMJ14011+0252 z = 2.56

n

ISAAC K-band

Tecza et al. 2004; Nesvadba 2005 (PhD Thesis)


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i ionization = 20

i = 40

Exponential disk model

i = 60

M = 3  1010 M

i = 20° – 80°

scale length = 1

i = 80

thickness = 0.2

seeing  0.5

Model + noise

i = 80°

SNR(peak) = 7

Nesvadba 2005 (PhD Thesis)

Förster Schreiber et al. (in prep.)

Modelling


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Smoothing ionization

Voronoi binning

Smoothing

Voronoi binning

BX610

MD41

BX482

BzK-15504

Extracting robust 2D kinematics

… from IFS of z~2 galaxies

Shapiro 2006 (PhD Thesis)

Cresci et al.


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Gas-rich mergers + vigorous feedback ionization

140 kpc

Baryonic component

complex physical processes

(angular momentum exchange/loss,

cooling, feedback, ...)

2 Gyr

Robertson et al. (2005)

Gas-rich star-forming disk: disk fragmentation + bulge formation

38 kpc

Immeli et al. (2004)

Galaxy Formation and Evolution


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Spiral ionization

Elliptical

Frenk, Baugh, & Cole (1996)

smooth vs complex accretion…

angular momentum …

dissipative vs non-dissipative collapse

Galaxy Formation from Simulations

Mass accretion and star formation process


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V-band morphologies: models vs data ionization

Complex X-band morphologies in UDF

Immeli et al. (2004)

van den Bergh et al. (1996)

Elmegreen & Elmegreen (2005)

Observations vs Simulations


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