2 GHOSTS ivo://archive.stsci.edu/ghosts doi:10.17909/T9NC7Z Space Telescope Science Institute Archive PI: Roelof De Jong STScI Archive branch archive@stsci.edu Observational astronomy Galactic and extragalactic astronomy Galaxies The GHOSTS survey is the largest study to date of the resolved stellar populations in the outskirts of disk galaxies. The sample consists of 14 disk galaxies within 17 Mpc, whose outer disks and halos are imaged with the Hubble Space Telescope Advanced Camera for Surveys (ACS). http://archive.stsci.edu/prepds/ghosts Archive Research 2 http://archive.stsci.edu/siap/search.php?id=ghosts& Pointed 360.0 360.0 360.0 360.0 0 0 233000000 0 114.75 65.5 1.0 1.0 2 http://archive.stsci.edu/prepds/ghosts/display_page.html HST Optical