The variable stars in the field of the bulge cluster NGC 6558
A Arellano Ferro,
L J Zerpa Guillen,
M A Yepez
et al.
Abstract:We made a survey of the variable stars in a 13.2 x 13.2 arcmin2 centered on the field of the Galactic bulge cluster NGC 6558. A total of 78 variables was found in the field of the cluster. Many of these variables are included in the Catalogue of Variable Stars in Galactic Globular Clusters (Clement et al. 2001), OGLE or Gaia-DR3 data releases. A membership analysis based on the proper motions of Gaia-DR3 revealed that many of these variables do not belong to the cluster. We employed the data from the aforement… Show more
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