Deep infrared studies of massive high redshift galaxies
Labbé, I.
Citation
Labbé, I. (2004, October 13). Deep infrared studies of massive high redshift galaxies.
Retrieved from https://hdl.handle.net/1887/578
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Deep In fra red S tu d ies o f
M a ssiv e H ig h R ed sh ift
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h oog lera a r in d e fa c u lteit d er W isk u n d e en N a tu u rweten sch a p p en en d ie d er G en eesk u n d e,
volg en s beslu it va n h et C olleg e voor P rom oties te verd ed ig en op woen sd a g 1 3 ok tober 2 0 0 4
k lok k e 1 4 .1 5 u u r
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Ivo Ferd in a n d L ou is L a bb´e g eboren te A lp h en a / d R ijn
Promotiecommissie
Promotor: Prof. dr. M. Franx
Referent: Prof. dr. P.D. Barthel (Universiteit Groningen) O verige leden: Prof. dr. P.G. van Dokkum (Y ale, New H aven, US A)
Prof. dr. K .H . K uijken
iv Ta b le o f co n te n ts
Tab le of c ontents
Page
Chapter 1. In tro d u c tio n an d S u mmary 1
1 Introduction . . . 1
1.1 Observational Cosmology . . . 1
1.2 Galaxy Formation . . . 2
1.3 Massive High Redshift Galaxies . . . 4
1.4 The Faint InfraRed E xtragalactic Survey . . . 6
2 Outline and Summary . . . 8
3 Conclusions and Outlook . . . 11
Chapter 2 . U ltrad eep N IR IS A A C o b serv atio n s o f the H D F -S o u th: o b serv atio n s, red u c tio n , mu ltic o lo r c atalo g , an d pho to metric red shifts 15 1 Introduction . . . 16
2 Observations . . . 17
2.1 Field Selection and Observing Strategy . . . 17
2.2 Observations . . . 19
3 Data Reduction . . . 20
3.1 Flatfields and Photometric Calibration . . . 21
3.2 Sky Subtraction and Cosmic Ray Removal . . . 22
3.3 First Version and Q uality Verification . . . 23
3.4 Additional Processing and Improvements . . . 23
3.5 Final Version and Post Processing . . . 24
4 Final Images . . . 25
4.1 Properties . . . 25
4.2 Image Q uality . . . 27
4.3 Astrometry . . . 28
4.4 Backgrounds and Limiting Depths . . . 28
5 Source Detection and Photometry . . . 30
5.1 Detection . . . 31
5.2 Optical and NIR Photometry . . . 32
6 Photometric Redshifts . . . 35 6.1 Photometric Templates . . . 36 6.2 ZphotUncertainties . . . 36 6.3 Stars . . . 37 7 Catalog Parameters . . . 38 8 Analysis . . . 39
8.1 Completeness and Number Counts . . . 39
Table of contents v
9 Summary and Conclusions . . . 48
Chapter 3 . L arge disk -lik e galax ies at high redshift 53 1 Introduction . . . 54
2 Observations . . . 55
3 Rest-frame Optical versus UV Morphology . . . 55
4 Profile fits and sizes . . . 57
5 Spectral Energy Distribution . . . 58
6 Discussion . . . 59
Chapter 4 . T he rest-frame optical luminosity density, color, and stellar mass density of the universe from z = 0 to z = 3 6 3 1 Introduction . . . 64
2 Data . . . 66
3 Measuring Photometric Redshifts and Rest-Frame Luminosities . . 67
3.1 Photometric Redshift Techniq ue . . . 67
3.1.1 Star Identification . . . 68
3.2 Rest-Frame Luminosities . . . 68
3.2.1 Emission Lines . . . 70
4 The Properties of the Massive Galaxy Population . . . 73
4.1 The Luminosity Density . . . 73
4.1.1 The Evolution of jrest λ . . . 76
4.2 The Cosmic Color . . . 78
4.3 Estimating M/L∗ V and The Stellar Mass Density . . . 81
5 Discussion . . . 88
5.1 Comparison with other Work . . . 88
5.2 Comparison with SFR(z) . . . 90
5.3 The Build-up of the Stellar Mass . . . 91
6 Summary & Conclusions . . . 92
A Derivation of zphot Uncertainty . . . 97
B Rest-Frame Photometric System . . . 99
C Estimating Rest-Frame Luminosities . . . 99
Chapter 5. T he color magnitude distribution of fi eld galax ies at 1 < z < 3: the evolution and modeling of the blue seq uence 10 3 1 Introduction . . . 104
2 The Data . . . 106
2.1 The Observations and Sample Selection . . . 106
2.2 Photometric Redshifts and Rest-Frame Colors . . . 107
3 The rest-frame Color-Magnitude Distribution of Galaxies from z ∼ 1 to z ∼ 3 . . . 108
4 The Color-Magnitude Relation of Blue Field Galaxies . . . 109
4.1 The Slope and its Evolution . . . 109
4.2 The Zeropoint and its Evolution . . . 112
vi Table of contents
4.4 Comparison to z ∼ 3 Galaxies . . . 117
4.4.1 The Models . . . 117
4.4.2 Results . . . 118
4.4.3 The Blue CMR in Various Rest-Frame Colors . . . . 119
5 Constraints of the Color-Magnitude Relation on the Star Formation Histories of Blue Galaxies at z ∼ 3 . . . 120
5.1 A library of Star Formation Histories . . . 120
5.2 Fitting Method . . . 121
5.2.1 Creating Mock Observations . . . 121
5.2.2 The Fitting . . . 122
5.3 Results . . . 123
5.3.1 Constant Star Formation . . . 123
5.3.2 Exponentially Declining Star Formation . . . 125
5.3.3 Repeated Bursts . . . 126
5.3.4 Episodic Star Formation: The Duty Cycle . . . 128
5.4 Discussion . . . 130
6 The Onset of the Red galaxies . . . 132
7 Summary and Conclusions . . . 134
Chapter 6. IRAC M id-infrared imaging of red galaxies at z > 2: new constraints on age, dust, and mass 139 1 Introduction . . . 140
2 The Observations, Photometry, and Sample Selection . . . 141
3 Mid-Infrared Properties of Red Galaxies at z > 2 . . . 143
4 Comparison to Lyman Break Galaxies . . . 147
5 The rest-frame K-band mass-to-light ratio . . . 149
6 Discussion and Conclusions . . . 150
Nederlandse samenvatting (Dutch summary) 155
Curriculum V itae 161
