Query : 2018A&A...616A.115S

2018A&A...616A.115S - Astronomy and Astrophysics, volume 616A, 115-115 (2018/8-1)

The interaction of multiple stellar winds in stellar clusters: potential flow.


Abstract (from CDS):

Context. While several studies have investigated large-scale cluster winds resulting from an intra-cluster interaction of multiple stellar winds, as yet they have not provided details of the bordering flows inside a given cluster.
Aims. The present work explores the principal structure of the combined flow resulting from the interaction of multiple stellar winds inside stellar clusters.
Methods. The theory of complex potentials is applied to analytically investigate stagnation points, boundaries between individual outflows, and the hydrodynamic structure of the asymptotic large-scale cluster wind. In a second part, these planar considerations are extended to fully three-dimensional, asymmetric configurations of wind-driving stars.
Results. We find (i) that one can distinguish regions in the large-scale cluster wind that are determined by the individual stellar winds, (ii) that there are comparatively narrow outflow channels, and (iii) that the large-scale cluster wind asymptotically approaches spherical symmetry at large distances.
Conclusions. The combined flow inside a stellar cluster resulting from the interaction of multiple stellar winds is highly structured.

Abstract Copyright: © ESO 2018

Journal keyword(s): hydrodynamics - stars: winds, outflows - methods: analytical - methods: numerical

Simbad objects: 4

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Number of rows : 4
N Identifier Otype ICRS (J2000)
ICRS (J2000)
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2023
1 NGC 70 Sy2 00 18 22.5674575200 +30 04 46.348819392   14.5       ~ 66 0
2 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 13453 0
3 NAME Arches Cluster Cl* 17 45 50.5 -28 49 28           ~ 700 0
4 NGC 6618 OpC 18 20 47 -16 10.3           ~ 1575 0

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