G. Fanizza, M. Gasperini, G. Marozzi
Abstract
In this article, we compare different formulations of the number count prescription using the convenient formalism of the Geodesic-Light-Cone gauge. We then find a simple, exact, and very general expression of such a prescription which is suitable for generalised applications.
Keywords
observational cosmology; covariant averages of astrophysical variables; light cone gauge
Universe
Volume 9, Number 7, Page 6
2023 July