E. Vanzan

Extracting non-Gaussian information of line-intensity maps with weighted skew spectra

The bispectrum of line-intensity maps carries cosmological and astrophysical information beyond the power spectrum, but its large data vector hampers the analysis of survey data. Skew spectra address this by compressing the bispectrum into a handful of power-spectrum-like observables, cross-spectra of the observed fiel...