Galaxy Counts on the CMB Cold Spot

Nov, 2009
9 pages
Published in:
  • Astrophys.J. 714 (2010) 825-833
e-Print:

Citations per year

2010201320162019202202468
Abstract: (arXiv)
The Cold Spot on the Cosmic Microwave Background could arise due to a supervoid at low redshift through the integrated Sachs-Wolfe effect. We imaged the region with MegaCam on the Canada-France-Hawai'i Telescope and present galaxy counts in photometric redshift bins. We rule out the existence of a 100Mpc radius spherical supervoid with underdensity delta=-0.3 at 0.5