SIMBAD references

1998A&A...331..506V - Astronomy and Astrophysics, volume 331, 506-518 (1998/3-2)

Clusters in the west side of the bar of the Large Magellanic Cloud: interacting pairs?


Abstract (from CDS):

In this paper, we present the VI-CCD photometry of 11 unstudied clusters located in the bar of the Large Magellanic Cloud (LMC), as a part of a project aimed to infer the star formation history of this galaxy. We derive the ages of these clusters by means of isochrone fitting. Three close pairs of clusters are included in the sample, namely NGC 1903-SL 357, SL 349-SL 353, SL 387-SL 385. We discuss the surface photometry of these objects: the distortion in the isophotal contours is regarded as a sign of interactions between pairs of physically connected clusters. While the systems SL 349-SL 353 and SL 387-SL 385 are likely pairs of nearly coeval clusters, NGC 1903-SL 357 is not because of the large age difference between the two. Several possible mechanisms for the formation of this peculiar pair are examined in the context of interactions between the Large and Small Magellanic Cloud (SMC).

Abstract Copyright:

Journal keyword(s): Magellanic Clouds - galaxies: star clusters - galaxies: stellar content - Hertzsprung-Russel (HR) diagram

Simbad objects: 18

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