The minor axis outflow of NGC 2146

Details The minor axis outflow of NGC 2146 The minor axis outflow of NGC 2146

2000-10-05

arxiv.org/abs/astro-ph/0010116v1

Astronomy and Astrophysics

Astrophysics

10 pages LaTeX, 10 ps-figures included; Accepted by A&A

Scientific paper

X-ray and optical observations have shown that the supernova explosions and stellar winds of the starburst in NGC 2146 produce an outflow of hot material along the minor axis. This outflow is expected to have a more or less conical shape, on either side of the galactic plane, and cone walls of cooler material where the outflow is in shock contact with halo gas. We attempt to determine the geometry (diameter at the base and opening angle) and the physical parameters (velocity and density) of the material in the cone walls from the optical emission line and radio observations presented here, and from published X-ray, radio, and optical observations. We compare the outflow of NGC 2146 with the outflow of M 82.

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