EPJ Web of Conferences
Volume 19, 2012Assembling the Puzzle of the Milky Way
|Number of page(s)||2|
|Section||Inside Galaxy Stubs or Relics of First Stubs: Stellar Populations in the New Milky Way Satellites|
|Published online||07 February 2012|
Looking for tidal streams around Galactic globular clusters
1 Instituto de Astrofísica de Canarias (IAC), vía Láctea s/n, 38205 La Laguna, Spain
2 Departamento de Astrofísica, Universidad de La Laguna, 38205 La Laguna, Spain
3 Max-Planck-Institut für Astronomie, 69117 Heidelberg, Germany
a e-mail: email@example.com
The picture of building the Milky Way halo from merging protogalactic fragments is considered the local manifestation of the hierarchical galaxy formation process. In this scenario, some observational evidences have suggested that the outer young Galactic halo globular cluster population might be associated (or even the nuclei) to tidal disrupted dwarf spheroidals, now extinct galaxies. If this hypothesis is true, these systems might be surrounded by a distinct and still detectable stellar population. We have carried out a systematic observation of Galactic globulars covering the galactocentric distance range 10 < RGC< 40 kpc in both hemispheres. We have used wide field instruments both in La Palma and in La Silla observatories to obtain deep photometry of wide areas around these globulars to unveil the possible remnants of their progenitor dwarf galaxies.
© Owned by the authors, published by EDP Sciences, 2012
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