Fabry-Perot observations of the HH 110 jet

Details Fabry-Perot observations of the HH 110 jet Fabry-Perot observations of the HH 110 jet

2003-04-09

arxiv.org/abs/astro-ph/0304161v1

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.

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