A spatially resolved study of ionized regions in galaxies at different ...
A spatially resolved study of ionized regions in galaxies at different ... A spatially resolved study of ionized regions in galaxies at different ...
vi LIST OF FIGURES 3.12 Example of the DAR correction . . . . . . . . . . . . . . . . . . . . . . . . . . 63 3.13 Two regions of the blue spectrum together with the spectral fits and maps of residuals in the continuum fit for two sets of metallicity templates . . . . . . . 65 3.14 Upper panel: Hα flux map obtained from the IFU data. Lower panel: Hα image taken at the KPNO 2.1-meter telescope. . . . . . . . . . . . . . . . . . . 69 3.15 Maps in the continuum near Hα and Hβ with isocontours of the corresponding emission line fluxes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 3.16 Map in the continuum near 8500 Å with isocontours of Hα . . . . . . . . . . . 71 3.17 c(Hβ) map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 3.18 Electron density map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 3.19 Diagnostic diagrams derived from different line ratios . . . . . . . . . . . . . . 76 3.20 Hα and excitation maps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77 3.21 Wolf-Rayet bumps of the integrated spectrum of knot A . . . . . . . . . . . . 78 3.22 Wolf-Rayet spatial distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 3.23 Blue and red spectra for the knots A and B. . . . . . . . . . . . . . . . . . . . 83 3.24 Blue and red spectra for the knots C and D. . . . . . . . . . . . . . . . . . . . 84 3.25 Blue and red spectra for the whole PPak-field. . . . . . . . . . . . . . . . . . 85 3.26 Relation between intensity and equivalent width of the WR blue bump as a function of the age of the cluster for solar metallicity according to Starburst 99 predictions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95 3.27 BPT diagrams including the values of the integrated spectra . . . . . . . . . . 101 3.28 S 23 map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 3.29 Point-to-point variations of [Nii]/[Sii] and S 23 versus the excitation . . . . . . 103 4.1 False colour image of J1657 . . . . . . . . . . . . . . . . . . . . . . . . . . . 108 4.2 Spatial profile of J1657 along the slit for Hα and the adjacent continuum . . . 110 4.3 Left Panel: Spatial profile of IIZw71 along the slit for Hα and the adjacent continuum. Right Panel: Hα image with the identification of the knots, R-band contours and the position of the slit . . . . . . . . . . . . . . . . . . . . . . . . 111 4.4 Blue and red spectra up to 7200 Å for the knots A and B of IIZw71. . . . . . . 113 4.5 Blue and red spectra up to 7200 Å for the knots C and D of IIZw71. . . . . . 114 4.6 Blue and red spectra up to 9600 Å for the knots A and B of J1657. . . . . . . 115 4.7 Blue and red spectra up to 9600 Å for the knot C of J1657. . . . . . . . . . . 116 4.8 Deblending of the [Oii] λλ 3727, 3729 Å lines for IIZw71 . . . . . . . . . . . . 117 4.9 Results of the STARLIGHT fit for knot C . . . . . . . . . . . . . . . . . . . . . 118 4.10 Constant of reddening for the knots of IIZw71 . . . . . . . . . . . . . . . . . . 120 4.11 Detail of the rest-frame spectra of the knots B and C of IIZw71 around the [Oiii] 4363 Å emission line. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121 4.12 Relation between t e ([Oii]) and t e ([Oiii]) for the knots of J1657 and Hii galaxies from the literature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132 4.13 Relation between t e ([Sii]) and t e ([Oii]) for the knots of J1657 and Hii galaxies from the literature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133 4.14 Relation between t e ([Siii]) and t e ([Oiii]) for the knots of J1657 and Hii galaxies from the literature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134 4.15 N/O and S/O ratio as a function of 12+log(O/H) . . . . . . . . . . . . . . . . . 137 4.16 Ne/O and Ar/O ratio as a function of 12+log(O/H) . . . . . . . . . . . . . . . . 138
LIST OF FIGURES vii 4.17 Oxygen abundances for each observed knot of IIZw71 derived using empirical calibrators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140 4.18 Oxygen abundances for each observed knot of J1657 derived using empirical calibrators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141 4.19 Mass fraction and visual light histograms derived by STARLIGHT for IIZw71 . 143 4.20 Mass fraction and visual light histograms derived by STARLIGHT for J1657 . 144 4.21 Rotation curve of IIZw71 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148 5.1 Multiwavelength 30 Doradus nebula image . . . . . . . . . . . . . . . . . . . 153
- Page 1: Facultad de Ciencias Departamento d
- Page 5: A Abigaíl, mi ut A mi familia, por
- Page 8 and 9: La gente del grupo de Astrofísica
- Page 11 and 12: Contents List of Figures List of Ta
- Page 13: CONTENTS iii B •Physical conditio
- Page 19 and 20: List of Tables 1.1 Integrated prope
- Page 21 and 22: Chapter 1 Introduction 1.1 Overview
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- Page 25 and 26: 1.1. Overview 5 These massive star
- Page 27 and 28: 1.1. Overview 7 Figure 1.3: Color-m
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- Page 60 and 61: 40 3 • IFS of a GEHR in NGC 6946
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LIST OF FIGURES<br />
vii<br />
4.17 Oxygen abundances for each observed knot <strong>of</strong> IIZw71 derived us<strong>in</strong>g empirical<br />
calibr<strong>at</strong>ors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140<br />
4.18 Oxygen abundances for each observed knot <strong>of</strong> J1657 derived us<strong>in</strong>g empirical<br />
calibr<strong>at</strong>ors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141<br />
4.19 Mass fraction and visual light histograms derived by STARLIGHT for IIZw71 . 143<br />
4.20 Mass fraction and visual light histograms derived by STARLIGHT for J1657 . 144<br />
4.21 Rot<strong>at</strong>ion curve <strong>of</strong> IIZw71 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148<br />
5.1 Multiwavelength 30 Doradus nebula image . . . . . . . . . . . . . . . . . . . 153
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