23-28 June 2014
Amsterdam
Europe/Zurich timezone

Model Independent Measurements of Angular Power Spectra

23 Jun 2014, 18:25
15m
Room 2 (Tuschinski Theatre)

Room 2

Tuschinski Theatre

Presentation Gamma-Ray Astrophysics Gamma-Ray Astrophysics

Speaker

Sheldon Campbell (T)

Description

Spatial fluctuations of astrophysical signals are a powerful probe of source distributions, radiation production mechanisms, and propagation effects. The precision of measuring angular power spectra is currently estimated as a combination of shot noise, instrument systematics, and cosmic variance. We show that an important contribution, dependent on the finite statistics of the experiment, has been neglected. These new results allow for improved estimates of sensitivities to angular power by statistics-limited observations, such as for high-energy gamma rays.

Primary author

Presentation Materials