The picture of building the Milky Way halo from the merger of protogalactic fragments is considered the local manifestation of the hierarchical galaxy formation process. In this scenario, some studies have suggested that the outer young Galactic halo globular cluster population might be connected to the tidal disruption of dwarf spheroidals galaxies. We have designed a systematic photometric survey of Galactic globular clusters in both hemispheres. We have used wide field imagers in La Palma and in La Silla observatories to obtain deep photometry of wide areas around these objects to unveil the possible remnants of the systems where they originally formed and estimate their contribution to the Galactic halo.
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机译：从Protogalactic碎片的合并构建银河系中Halo的图片被认为是分层星系形成过程的局部表现。在这种情况下，一些研究表明，外部年轻的半乳清光环团簇群体可能与侏儒球状星系的潮汐中断。我们在半球两周的半乳液球状簇的系统设计了一个系统的光度调查。我们在La Palma和La Silla Vealtyatories中使用了广泛的田间成像仪，以获得这些物体周围的广阔区域的深度光度测量，以推出最初形成和估算其对银河晕贡献的系统的可能残余物。
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