Astronomy and Astrophysics – Astrophysics
Scientific paper
2003-04-09
Astron.J. 126 (2003) 327
Astronomy and Astrophysics
Astrophysics
27 pages, 8 Postscript figures. Astronomical Journal (accepted)
Scientific paper
10.1086/375759
We have obtained a Halpha position-velocity cube from Fabry-Perot interferometric observations of the HH 110 flow. We analyze the results in terms of anisotropic wavelet transforms, from which we derive the spatial distribution of the knots as well as their characteristic sizes (along and across the outflow axis). We then study the spatial behaviour of the line width and the central radial velocity. The results are interpreted in terms of a simple ``mean flow+turbulent eddy'' jet/wake model. We find that most of the observed kinematics appear to be a direct result of the mean flow, on which are superposed low amplitude (35 km/s) turbulent velocities.
Amram Ph.
Boulesteix Jacques
Cantó Jorge
Raga Alejandro C.
Reipurth Bo
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