EDP Sciences
Free Access
Issue
A&A
Volume 503, Number 3, September I 2009
Page(s) 747 - 754
Section Extragalactic astronomy
DOI https://doi.org/10.1051/0004-6361/200911870
Published online 02 July 2009

Online Material

 \begin{figure}
\par\includegraphics[width=18cm]{11870fg6.eps}
\end{figure} Figure 6:

Galaxy NGC 0628 -  Left panel: the color scale represents the image of the spectral index measured between 327 MHz and 1.4 GHz. Pixels with an intensity level above 3$\sigma $ at both frequencies have been considered. Contours levels of the radio image at 1.4 GHz, starting from 3$\sigma $ and scaling by a factor of $\sqrt {2}$, are overlaid on the image. The FWHM of this image is $66\hbox {$^{\prime \prime }$ }\times 66\hbox {$^{\prime \prime }$ }$. Right panel: the color scale represents the image of the spectral index uncertainty.

Open with DEXTER

 \begin{figure}
\par\includegraphics[width=17.6cm]{11870fg7.eps}
\end{figure} Figure 7:

Galaxy NGC 0628: spectral index radial profile ( left panel) and spectral index variation with IR-70 $\mu $m brightness ( right panel).

Open with DEXTER

 \begin{figure}
\par\includegraphics[width=18cm]{11870fg8.eps}
\end{figure} Figure 8:

Galaxy NGC 3627 -  Left panel: the color scale represents the image of the spectral index measured between 327 MHz and 1.4 GHz. Pixels with an intensity level above 3$\sigma $ at both frequencies have been considered. Contours levels of the radio image at 1.4 GHz, starting from 3$\sigma $ and scaling by a factor of $\sqrt {2}$, are overlaid on the image. The FWHM of this image is $20\hbox {$^{\prime \prime }$ }\times 20\hbox {$^{\prime \prime }$ }$. Right panel: the color scale represents the image of the spectral index uncertainty.

Open with DEXTER

 \begin{figure}
\par\includegraphics[width=17.65cm]{11870fg9.eps}
\end{figure} Figure 9:

Galaxy NGC 3627: Spectral index radial profile ( left panel) and spectral index variation with IR-70 $\mu $m brightness ( right panel).

Open with DEXTER

 \begin{figure}
\par\includegraphics[width=18cm]{11870fg10.eps}
\end{figure} Figure 10:

Galaxy NGC 7331 -  Left panel: the color scale represents the image of the spectral index measured between 327 MHz and 1.4 GHz. Pixels with an intensity level above 3$\sigma $ at both frequencies have been considered. Contours levels of the radio image at 1.4 GHz, starting from 3$\sigma $ and scaling by a factor of $\sqrt {2}$, are overlaid on the image. The FWHM of this image is $20\hbox {$^{\prime \prime }$ }\times 20\hbox {$^{\prime \prime }$ }$. Right panel: the color scale represents the image of the spectral index uncertainty.

Open with DEXTER

 \begin{figure}
\par\includegraphics[width=18cm]{11870fg11.eps}
\end{figure} Figure 11:

Galaxy NGC 7331: spectral index radial profile ( left panel) and spectral index variation with IR-70 $\mu $m brightness ( right panel).

Open with DEXTER

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