A New Milky Way Companion: Anomalous Globular Cluster or Extreme Dwarf Satellite?

Beth Willman, Michael Blanton, Andrew West, Julianne J. Dalcanton, David Hogg, Donald P. Schneider, Nicholas Wherry, Brian Yanny, Jon Brinkmann

APO observation
SDSS observation
  • R -> r band, B -> g band, G -> (B+R)/2
  • Produced with RGB scaled by [18.0,12.0,24.0] and with nonlinearity of 4
  • Dimensions: 0.261 x 0.079 deg.
  • RGB composed of irg bandpasses
  • Produced with RGB scaled by [9.8,13.0,20.0] and with nonlinearity of 3
  • Dimensions: 0.560 x 0.420 deg.



Images of some diffuse globular clusters observed by SDSS
Pal 3 Pal 5 Pal 15
Images of some Milky Way dSph observed by SDSS

Created by Nicholas Wherry and Beth Willman