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Open Clusters and Superbubbles

Authors: Rakhil Shatsova; Marina Gozha;

Open Clusters and Superbubbles

Abstract

This paper is the continuation of our work of 2008 concerning the open clusters (OCs) in system of the radio loops I–IV. In the present paper we have studied the location of OCs in relation to the Local Bubble, the Eridanus Superbubble and the Gum Nebula. As before, extremely low density of OCs from Kharchenko et al. and Dias et al. catalogs in the areas of the superbubbles (SBs) is shown. At the same time, the number of OCs in the shells exceeds several times the expected number with uniform distribution within the radius of 600 pc around the Sun. Moreover, they form rather compact groups. LSR velocities of OCs are directed away from the shells and on a tangent to them. These facts can be attributed to a common process of formation of the shells and groups of OCs. The catalog age of some OCs approximately coincides with the time of passing of the bubble radius by OC and with the time of formation of elongated compact groups of OCs. Other aspects of the problem of joint studying of OCs and SBs are noted.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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