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Supervoid Origin of the Cold Spot in the Cosmic Microwave Background

Supervoid Origin of the Cold Spot in the Cosmic Microwave Background

Abstract We use a WISE-2MASS-Pan-STARRS1 galaxy catalog to search for a supervoid in the direction of the Cosmic Microwave Background Cold Spot. We obtain photometric redshifts using our multicolor data set to create a tomographic map of the galaxy distribution. The radial density profile centred on the Cold Spot shows …