{
  "id": "astro-ph/0408204",
  "version": "v1",
  "published": "2004-08-11T14:09:31.000Z",
  "updated": "2004-08-11T14:09:31.000Z",
  "title": "The POINT-AGAPE Microlensing Survey: First Constraint on MACHOs towards M31",
  "authors": [
    "S. Paulin-Henriksson",
    "S. Calchi Novati"
  ],
  "comment": "4 pages, 2 figures, to appear in the proceedings of the XXXIXth Rencontres de Moriond \"Exploring the Universe\", La Thuile, Italy, March 28-April 4, 2004",
  "categories": [
    "astro-ph"
  ],
  "abstract": "To reveal the galactic dark matter in the form of MACHOs (\"Massive Astrophysical Compact Halo Objects\"), the POINT-AGAPE collaboration is carrying out a search for gravitational microlensing towards M31. A clear microlensing signal is detected. The high-threshold analysis of 3-year data leads to 7 bright and short microlensing candidates. The preliminary estimation of the detection efficiency implies that less than 25% (60%) of standard halos can be composed of objects with masses between 10^{-4} and 10^{-1} (10^{-1} and 1) solar mass at the 95% C.L. This result is compatible with previous microlensing results towards the Magellanic Clouds and gives the first constraints on MACHOs for a distant spiral galaxy.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2004-08-11T14:09:31.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "point-agape microlensing survey",
      "first constraint",
      "galactic dark matter",
      "massive astrophysical compact halo objects",
      "detection efficiency implies"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 4,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "inspire": 656262,
      "adsabs": "2004astro.ph..8204P"
    }
  }
}