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Table of contents
Introduction
1.1 An overview of the Milky Way Galaxy
1.1.1 A brief history : Milky Way from observations
1.1.2 Lambda Cold Dark Matter model
1.1.3 Components of the Milky Way
1.2 Galactic archaeology
1.2.1 Photometric surveys
1.2.2 Spectroscopic surveys
1.2.3 Stellar population synthesis models
1.2.3.1 TRILEGAL
1.2.3.2 Galaxia/Besançon
1.2.4 Chemical evolution models
1.3 The inner Milky Way
1.4 Goals of this thesis
1.5 Published works
2 Selection function effects on metallicity trends
2.1 Selection function
2.2 Comparison of stellar parameters
2.3 ALR and AGR
2.4 Distances
2.5 MOCK fields using SPS models
2.5.1 Applying uncertainties and related checks on the models
2.5.2 Comparison between GALAXIA and TRILEGAL
2.6 Selection function effects on MDF
2.6.1 AGR vs ALR
2.7 Selection function effects on vertical metallicity gradients
2.7.1 Vertical metallicity gradients for the observed sample
2.8 Summary and conclusions
3 Chemical characterization of the inner Galactic bulge
3.1 (Lack of) Observations in the inner Galactic bulge
3.2 Data
3.2.1 Target selection
3.2.2 Observations
3.3 Analysis
3.3.1 SME
3.3.2 K-band line list
3.3.3 Stellar parameters
3.3.4 Stellar abundances
3.3.5 Uncertainties
3.3.5.1 General uncertainties
3.3.5.2 Uncertainties related to stellar-parameters
3.4 Homogeneous Analysis of the North-South sample
3.5 Results
3.6 Discussion
3.6.1 MDF
3.6.2 [/Fe] vs [Fe/H]
3.6.3 Kinematics
3.6.4 North-South symmetry
3.7 Summary and conclusions
4 SFR in the CMZ
4.1 Estimating SFR
4.1.1 Using cm or mm continuum emission
4.1.2 Using infrared luminosity
4.1.3 YSO counting
4.2 Identifying YSOs
4.3 SFR in the CMZ
4.4 Data
4.4.1 Sample selection
4.4.2 Observations
4.4.3 Data reduction
4.5 Classification
4.5.1 Spectroscopic classification
4.5.2 Classification using photometric criteria
4.6 Mass estimation
4.6.1 Robitaille SED models
4.6.2 SED fits
4.6.3 Fit parameters and mass
4.7 SFR estimate
5 Conclusions and future works
5.1 Selection function effects
5.1.1 Future works
5.2 Galactic archaeology in the Inner Milky Way
5.2.1 Inner Galactic Bulge
5.2.1.1 Future works
5.2.2 SFR in the CMZ
5.2.2.1 Future works
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