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 ...

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114 4 • Long-slit spectrophotometry of multiple knots of Hii galaxies Flux (erg cm -2 s -1 Å -1 ) 1e-15 5e-16 [OII] 3727,29 Å [NeIII] 3869 Å IIZw71 - Knot C [OIII] Hδ Hγ 4959,5007 Å [OIII] 4102 Å 4340 Å 4363 Å Hβ 4861 Å 0 3800 4000 4200 4400 4600 4800 5000 Flux (erg cm -2 s -1 Å -1 ) 1e-15 5e-16 Hα 6563 Å [OII [NII] [SII] 6300 Å [NII] 6584 Å 6717,31 Å 6548 Å [ArIII] 7137 Å 0 6000 6200 6400 6600 6800 7000 7200 Wavelength (Å) Flux (erg cm -2 s -1 Å -1 ) 4e-16 2e-16 [OII] 3727,29 Å [NeIII] 3868 Å IIZw71 - Knot D Hγ Hδ 4340 Å Hβ 4102 Å 4861 Å [OIII] 4959,5007 Å 0 3800 4000 4200 4400 4600 4800 5000 Flux (erg cm -2 s -1 Å -1 ) 4e-16 2e-16 [OI] 6300 Å [NII] 6548 Å Hα 6563 Å [NII] 6584 Å [SII] 6717,31 Å 0 6000 6200 6400 6600 6800 7000 7200 Wavelength (Å) Figure 4.5: Blue and red spectra up to 7200 Å for the knots C and D of IIZw71.

Hδ 4.3. Results 115 ◦A−1 ) s−1 1e−16 6 5 4 [OII]3727 [NeIII]3868 J1657 - Knot A [OIII]4959 Hβ [OIII]5007 Flux (erg cm−2 3 2 1 [OIII]4363 Hγ ◦A−1 ) s−1 Flux (erg cm−2 3600 3800 4000 4200 4400 4600 4800 5000 5200 1e−16 6 5 4 3 2 1 HeI 5876 [SII] 6717,6731 Hα [OII] 7319,7330 [SIII]9069 [SIII]9532 6000 6500 7000 7500 8000 8500 9000 9500 Wavelength (◦A) 1e−16 ◦A−1 ) s−1 4 3 [OII]3727 J1657 - Knot B Flux (erg cm−2 2 1 [OIII]4363 Hγ 0 3600 3800 4000 4200 4400 4600 4800 5000 5200 1e−16 Hδ [OIII]4959 Hβ [OIII]5007 ◦A−1 ) s−1 Flux (erg cm−2 4 3 2 1 HeI 5876 [SII] 6717,6731 Hα [SIII]9069 [SIII]9532 0 6000 6500 7000 7500 8000 8500 9000 9500 Wavelength (◦A) Figure 4.6: Blue and red spectra up to 9600 Å for the knots A and B of J1657.

Hδ<br />

4.3. Results 115<br />

◦A−1<br />

)<br />

s−1<br />

1e−16<br />

6<br />

5<br />

4<br />

[OII]3727<br />

[NeIII]3868<br />

J1657 - Knot A<br />

[OIII]4959<br />

Hβ<br />

[OIII]5007<br />

Flux (erg cm−2<br />

3<br />

2<br />

1<br />

[OIII]4363<br />

Hγ<br />

◦A−1<br />

)<br />

s−1<br />

Flux (erg cm−2<br />

3600 3800 4000 4200 4400 4600 4800 5000 5200<br />

1e−16<br />

6<br />

5<br />

4<br />

3<br />

2<br />

1<br />

HeI 5876<br />

[SII] 6717,6731<br />

Hα<br />

[OII] 7319,7330<br />

[SIII]9069<br />

[SIII]9532<br />

6000 6500 7000 7500 8000 8500 9000 9500<br />

Wavelength (◦A)<br />

1e−16<br />

◦A−1<br />

)<br />

s−1<br />

4<br />

3<br />

[OII]3727<br />

J1657 - Knot B<br />

Flux (erg cm−2<br />

2<br />

1<br />

[OIII]4363<br />

Hγ<br />

0<br />

3600 3800 4000 4200 4400 4600 4800 5000 5200<br />

1e−16<br />

Hδ<br />

[OIII]4959<br />

Hβ<br />

[OIII]5007<br />

◦A−1<br />

)<br />

s−1<br />

Flux (erg cm−2<br />

4<br />

3<br />

2<br />

1<br />

HeI 5876<br />

[SII] 6717,6731<br />

Hα<br />

[SIII]9069<br />

[SIII]9532<br />

0<br />

6000 6500 7000 7500 8000 8500 9000 9500<br />

Wavelength (◦A)<br />

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

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