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A spatially resolved study of ionized regions in galaxies at different ...

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vi<br />

LIST OF FIGURES<br />

3.12 Example <strong>of</strong> the DAR correction . . . . . . . . . . . . . . . . . . . . . . . . . . 63<br />

3.13 Two <strong>regions</strong> <strong>of</strong> the blue spectrum together with the spectral fits and maps <strong>of</strong><br />

residuals <strong>in</strong> the cont<strong>in</strong>uum fit for two sets <strong>of</strong> metallicity templ<strong>at</strong>es . . . . . . . 65<br />

3.14 Upper panel: Hα flux map obta<strong>in</strong>ed from the IFU d<strong>at</strong>a. Lower panel: Hα image<br />

taken <strong>at</strong> the KPNO 2.1-meter telescope. . . . . . . . . . . . . . . . . . . 69<br />

3.15 Maps <strong>in</strong> the cont<strong>in</strong>uum near Hα and Hβ with isocontours <strong>of</strong> the correspond<strong>in</strong>g<br />

emission l<strong>in</strong>e fluxes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70<br />

3.16 Map <strong>in</strong> the cont<strong>in</strong>uum near 8500 Å with isocontours <strong>of</strong> Hα . . . . . . . . . . . 71<br />

3.17 c(Hβ) map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73<br />

3.18 Electron density map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74<br />

3.19 Diagnostic diagrams derived from <strong>different</strong> l<strong>in</strong>e r<strong>at</strong>ios . . . . . . . . . . . . . . 76<br />

3.20 Hα and excit<strong>at</strong>ion maps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77<br />

3.21 Wolf-Rayet bumps <strong>of</strong> the <strong>in</strong>tegr<strong>at</strong>ed spectrum <strong>of</strong> knot A . . . . . . . . . . . . 78<br />

3.22 Wolf-Rayet sp<strong>at</strong>ial distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . 80<br />

3.23 Blue and red spectra for the knots A and B. . . . . . . . . . . . . . . . . . . . 83<br />

3.24 Blue and red spectra for the knots C and D. . . . . . . . . . . . . . . . . . . . 84<br />

3.25 Blue and red spectra for the whole PPak-field. . . . . . . . . . . . . . . . . . 85<br />

3.26 Rel<strong>at</strong>ion between <strong>in</strong>tensity and equivalent width <strong>of</strong> the WR blue bump as a<br />

function <strong>of</strong> the age <strong>of</strong> the cluster for solar metallicity accord<strong>in</strong>g to Starburst<br />

99 predictions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95<br />

3.27 BPT diagrams <strong>in</strong>clud<strong>in</strong>g the values <strong>of</strong> the <strong>in</strong>tegr<strong>at</strong>ed spectra . . . . . . . . . . 101<br />

3.28 S 23 map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102<br />

3.29 Po<strong>in</strong>t-to-po<strong>in</strong>t vari<strong>at</strong>ions <strong>of</strong> [Nii]/[Sii] and S 23 versus the excit<strong>at</strong>ion . . . . . . 103<br />

4.1 False colour image <strong>of</strong> J1657 . . . . . . . . . . . . . . . . . . . . . . . . . . . 108<br />

4.2 Sp<strong>at</strong>ial pr<strong>of</strong>ile <strong>of</strong> J1657 along the slit for Hα and the adjacent cont<strong>in</strong>uum . . . 110<br />

4.3 Left Panel: Sp<strong>at</strong>ial pr<strong>of</strong>ile <strong>of</strong> IIZw71 along the slit for Hα and the adjacent<br />

cont<strong>in</strong>uum. Right Panel: Hα image with the identific<strong>at</strong>ion <strong>of</strong> the knots, R-band<br />

contours and the position <strong>of</strong> the slit . . . . . . . . . . . . . . . . . . . . . . . . 111<br />

4.4 Blue and red spectra up to 7200 Å for the knots A and B <strong>of</strong> IIZw71. . . . . . . 113<br />

4.5 Blue and red spectra up to 7200 Å for the knots C and D <strong>of</strong> IIZw71. . . . . . 114<br />

4.6 Blue and red spectra up to 9600 Å for the knots A and B <strong>of</strong> J1657. . . . . . . 115<br />

4.7 Blue and red spectra up to 9600 Å for the knot C <strong>of</strong> J1657. . . . . . . . . . . 116<br />

4.8 Deblend<strong>in</strong>g <strong>of</strong> the [Oii] λλ 3727, 3729 Å l<strong>in</strong>es for IIZw71 . . . . . . . . . . . . 117<br />

4.9 Results <strong>of</strong> the STARLIGHT fit for knot C . . . . . . . . . . . . . . . . . . . . . 118<br />

4.10 Constant <strong>of</strong> redden<strong>in</strong>g for the knots <strong>of</strong> IIZw71 . . . . . . . . . . . . . . . . . . 120<br />

4.11 Detail <strong>of</strong> the rest-frame spectra <strong>of</strong> the knots B and C <strong>of</strong> IIZw71 around the<br />

[Oiii] 4363 Å emission l<strong>in</strong>e. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121<br />

4.12 Rel<strong>at</strong>ion between t e ([Oii]) and t e ([Oiii]) for the knots <strong>of</strong> J1657 and Hii <strong>galaxies</strong><br />

from the liter<strong>at</strong>ure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132<br />

4.13 Rel<strong>at</strong>ion between t e ([Sii]) and t e ([Oii]) for the knots <strong>of</strong> J1657 and Hii <strong>galaxies</strong><br />

from the liter<strong>at</strong>ure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133<br />

4.14 Rel<strong>at</strong>ion between t e ([Siii]) and t e ([Oiii]) for the knots <strong>of</strong> J1657 and Hii <strong>galaxies</strong><br />

from the liter<strong>at</strong>ure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134<br />

4.15 N/O and S/O r<strong>at</strong>io as a function <strong>of</strong> 12+log(O/H) . . . . . . . . . . . . . . . . . 137<br />

4.16 Ne/O and Ar/O r<strong>at</strong>io as a function <strong>of</strong> 12+log(O/H) . . . . . . . . . . . . . . . . 138

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