{
  "id": "1605.03451",
  "version": "v1",
  "published": "2016-05-11T14:14:01.000Z",
  "updated": "2016-05-11T14:14:01.000Z",
  "title": "Properties of the cluster population of NGC 1566 and their implications",
  "authors": [
    "Katherine Hollyhead",
    "Angela Adamo",
    "Nate Bastian",
    "Mark Gieles",
    "Jenna Ryon"
  ],
  "comment": "18 pages, accepted for publication in MNRAS",
  "categories": [
    "astro-ph.GA"
  ],
  "abstract": "We present results of a photometric study into the cluster population of NGC 1566, a nearby grand design spiral galaxy, sampled out to a Galactocentric radius of $\\approx 5.5$ kpc. The shape of the mass-limited age distribution shows negligible variation with radial distance from the centre of the galaxy, and demonstrates three separate sections, with a steep beginning, flat middle and steep end. The luminosity function can be approximated by a power law at lower luminosities with evidence of a truncation at higher luminosity. The power law section of the luminosity function of the galaxy is best fitted by an index $\\approx -2$, in agreement with other studies, and is found to agree with a model luminosity function, which uses an underlying Schechter mass function. The recovered power law slope of the mass distribution shows a slight steepening as a function of galactocentric distance, but this is within error estimates. It also displays a possible truncation at the high mass end. Additionally, the cluster formation efficiency ($\\Gamma$) and the specific U-band luminosity of clusters ($T_L(U)$) are calculated for NGC 1566 and are consistent with values for similar galaxies. A difference in NGC 1566, however, is that the fairly high star formation rate is in contrast with a low $\\Sigma_{SFR}$ and $\\Gamma$, indicating that $\\Gamma$ can only be said to depend strongly on $\\Sigma_{SFR}$, not the star formation rate.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2016-05-11T14:14:01.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "cluster population",
      "luminosity function",
      "power law",
      "nearby grand design spiral galaxy",
      "fairly high star formation rate"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 18,
      "language": "en",
      "license": "arXiv",
      "status": "editable"
    }
  }
}