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The local complex of high-velocity clouds (geometry and kinematics)

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Abstract

Many HVC - high velocityHi clouds - are added to the known combination of diffuse soft X-rays and radioloops. Among these HVC there are previously examined complexes A, C, Magellanic Stream, etc. Their common composition has a clear geometry and kinematics.

Two powerful long HVC filaments form the ‘bridges’ between Loop I and double Loop II + III. The ‘Bridges’ join the polarX max regions in C band. The ‘bridges’ ends at Loop I side are bounded by the systems of shorter filaments withX max spots in M1 and larger energy bands. There are no HVC in the spots themselves. The opposite ends of ‘bridges’ reach Loops II and III centres. The two structures have the features of rotational symmetry.

The isolines X-ray count rates pass along HVC chains with the sameυ r -velocities. The frequent alternation of differentυ r on the same filament is better explained by the turbulent gas motion than by the differences of HVC distance.

All of the above-mentioned, as well as theυ r signs of dependence on the galactical longitude, are the result of HVC interaction with X-rays. The whole composition from HVC-loops-X-rays is a component of the local system (Gould Belt).

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  1. Pedagogical Institute, Rostov-on-Don, Russia

    R. B. Shatsova

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  1. R. B. Shatsova
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Shatsova, R.B. The local complex of high-velocity clouds (geometry and kinematics). Astrophys Space Sci 201, 91–105 (1993). https://doi.org/10.1007/BF00626977

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  • DOI: https://doi.org/10.1007/BF00626977

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