2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/35702In this letter we propose a semi-analitical method of evaluation of the power spectrum of a circular moving Unruh-type detector using the method of residue and compare the spectrum with the already known result in the relativistic limit.6 pages, 4 figuresGeneral Relativity and Quantum Cosmologytext