{
  "id": "1502.01215",
  "version": "v1",
  "published": "2015-02-04T14:47:56.000Z",
  "updated": "2015-02-04T14:47:56.000Z",
  "title": "What can Gaia proper motions tell us about Milky Way dwarf galaxies?",
  "authors": [
    "Shoko Jin",
    "Amina Helmi",
    "Maarten Breddels"
  ],
  "comment": "5 pages, 1 figure; to appear in the proceedings of the GREAT-ITN conference on \"The Milky Way Unravelled by Gaia\", Barcelona (Dec 1-5 2014)",
  "categories": [
    "astro-ph.GA"
  ],
  "abstract": "We present a proper-motion study on models of the dwarf spheroidal galaxy Sculptor, based on the predicted proper-motion accuracy of Gaia measurements. Gaia will measure proper motions of several hundreds of stars for a Sculptor-like system. Even with an uncertainty on the proper motion of order 1.5 times the size of an individual proper-motion value of ~10 mas/century, we find that it is possible to recover Sculptor's systemic proper motion at its distance of 79 kpc.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2015-02-04T14:47:56.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "milky way dwarf galaxies",
      "gaia proper motions tell",
      "dwarf spheroidal galaxy sculptor",
      "sculptors systemic proper motion",
      "proper-motion"
    ],
    "tags": [
      "conference paper"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 5,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "inspire": 1342977
    }
  }
}