A first use of wavelet analysis for molecular clouds

Details A first use of wavelet analysis for molecular clouds A first use of wavelet analysis for molecular clouds

Dec 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...365l..27g&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 365, Dec. 10, 1990, p. L27-L30. Research supported by CEA.

Astronomy and Astrophysics

Astrophysics

49

Carbon Monoxide, Carbon 13, Interstellar Chemistry, Molecular Clouds, Fractals, Interstellar Matter, Magnetohydrodynamic Turbulence, Pre-Main Sequence Stars

Scientific paper

In the present wavelet analysis of the C-13O spectral data from L1551's outflow region, the fractal Hausdorff dimension of the data space consisting of the centroid velocities over the x-y plane is noted to be definable as 2.35 + or - 0.01. An analysis of surface density yields a dimensional value close to 3, rather than Prasad and Sreenivasan's (1990) 2.36 + or - 0.05 for the Kolmogorov range of the turbulence associated with a water jet in quiet surroundings; this suggests that there is gas between the emissivity peaks, as supported by the larger dominant structure found for the surface density.

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