The Binary Fraction of Stars in Dwarf Galaxies: The Case of Leo II

Article, Preprint OPEN
Spencer, Meghin E. ; Mateo, Mario ; Walker, Matthew G. ; Olszewski, Edward W. ; McConnachie, Alan W. ; Kirby, Evan N. ; Koch, Andreas (2017)
  • Publisher: American Astronomical Society
  • Related identifiers: doi: 10.3847/1538-3881/aa6d51
  • Subject: Astrophysics - Astrophysics of Galaxies
    arxiv: Astrophysics::Galaxy Astrophysics | Astrophysics::Cosmology and Extragalactic Astrophysics | Astrophysics::Earth and Planetary Astrophysics | Astrophysics::Solar and Stellar Astrophysics

We combine precision radial velocity data from four different published works of the stars in the Leo II dwarf spheroidal galaxy. This yields a data set that spans 19 years, has 14 different epochs of observation, and contains 372 unique red giant branch stars, 196 of w... View more
  • References (24)
    24 references, page 1 of 3

    100 dN

    Mateo, M. L. 1998, ARA&A, 36, 435

    Mayor, M., Benz, W., Imbert, M., et al. 1984, A&A, 134, 118

    McClure, R. D. 1984, ApJL, 280, L31

    McConnachie, A. W., & Coˆte´, P. 2010, ApJL, 722, L209

    Mighell, K. J., & Rich, R. M. 1996, AJ, 111, 777

    Minor, Q. E. 2013, ApJ, 779, 116

    Minor, Q. E., Martinez, G., Bullock, J., Kaplinghat, M., & Trainor, R. 2010, ApJ, 721, 1142

    Mun˜oz, R. R., Carlin, J. L., Frinchaboy, P. M., et al. 2006, ApJL, 650, L51

    Olszewski, E. W., Aaronson, M., & Hill, J. M. 1995, AJ, 110, 2120

  • Metrics
    No metrics available
Share - Bookmark