ISW Imprint of Superstructures on Linear Scales

Understand

We build a model for the density and integrated Sachs-Wolfe (ISW) profile of supervoid and supercluster structures.

• Our model assumes that fluctuations evolve linearly from an initial Gaussian random field.
• We find these assumptions capable of describing N-body simulations and simulated ISW maps remarkably well on large scales.
• We construct an ISW map based on locations of superstructures identified previously in the SDSS Luminous Red Galaxy sample.