• The Cluster Of Blue Stars Surrounding The M31 Nuclear Black Hole 

      Lauer, Tod R.; Bender, Ralf; Kormendy, John; Rosenfield, Philip; Green, Richard F. (2012-02)
      We obtained U330- and B-band images of the M31 nucleus using the High Resolution Camera of the Advanced Camera for Surveys on board the Hubble Space Telescope (HST). The spatial resolution in the U-330 band, 0.'' 03 FWHM, ...