Shot noise in the astrophysical gravitational-wave background
Shot noise in the astrophysical gravitational-wave background
复制标题
天体物理引力波背景中的散粒噪声
DOI:
10.1103/physrevd.100.063508
复制
发表时间:
2019
影响因子:
5
通讯作者:
M. Sakellariadou
中科院分区:
文献类型:
--
作者:
A. Jenkins;M. Sakellariadou
We calculate the noise induced in the anisotropies of the astrophysical gravitational-wave background by finite sampling of both the galaxy distribution and the compact binary coalescence event rate. This shot noise leads to a scale-invariant bias term in the angular power spectrum $C_\ell$, for which we derive a simple analytical expression. We find that this bias dominates over the true cosmological power spectrum in any reasonable observing scenario, and that only with very long observing times and removal of a large number of foreground sources can the true power spectrum be recovered.
影响因子:
8.6
作者:
Ajith, P.;Hannam, M.;Seiler, J.
通讯作者:
Seiler, J.