![]() |
Figure 1:
Angular profile of the weight function (![]() ![]() ![]() ![]() |
Open with DEXTER |
![]() |
Figure 2:
Pressure power spectra with
an intrinsic slope of n=-7/3 as expected for a Kolmogorov/Oboukhov
turbulence (
![]() ![]() ![]() |
Open with DEXTER |
![]() |
Figure 3:
Projected temperature map ( upper left),
pressure map ( upper right), entropy map ( lower left) and image
substructure (residual) map as revealed by small-scales in the wavelet
decomposition ( lower right). The maps are obtained from spectral
hardness ratios and surface brightness data and smoothed with a
wavelet filter of the Coma cluster. Each map covers an area of
![]() |
Open with DEXTER |
![]() |
Figure 4: Detailed view of the projected pressure distribution of the central region of the Coma cluster. The 145 kpc scale corresponds to the largest size of the turbulent eddies indicated by the pressure spectrum (Sect. 7). The smallest turbulent eddies have scales of around 20 kpc. On smaller scales the number of photons used for the spectral analysis is too low for reliable pressure measurements. |
Open with DEXTER |
![]() |
Figure 5:
Nested grids of temperature ( left panel),
pressure ( middle panel), and entropy ( right panel) measurements. Each
map covers an area of
![]() |
Open with DEXTER |
![]() |
Figure 6:
Correlation between relative fluctuations of density
squared (n2) and temperature (T), and their ![]() ![]() ![]() |
Open with DEXTER |
![]() |
Figure 7:
Projected power spectra of different angular pressure
distributions from the
![]() |
Open with DEXTER |
![]() |
Figure 8:
Comparison of a Gaussian profile with the
histogram of projected pressure contrasts
![]() ![]() ![]() ![]() ![]() |
Open with DEXTER |
![]() |
Figure 9:
Projected shot-noise subtracted power spectral
densities,
![]() ![]() ![]() |
Open with DEXTER |
![]() |
Figure 10:
Projected shotnoise subtracted power spectral
densities,
![]() ![]() |
Open with DEXTER |
![]() |
Figure 11:
Projected power spectral
densities as in Fig. 7 for the
![]() ![]() |
Open with DEXTER |
![]() |
Figure 12:
Observed projected shot-noise-subtracted
power spectral densities (dots with ![]() ![]() ![]() |
Open with DEXTER |
![]() |
Figure 13:
Contribution of the turbulent pressure to the total
thermal pressure (contour lines of equal percentage) for a
Kolmogorov/Oboukhov spectrum with the slope n=-7/3 and the amplitude
![]() |
Open with DEXTER |