2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/155650We describe the Doppler effect between equally accelerated light source and observer under the special relativity. The proper accelerations are constant and parallel. An English version is available by request. - - - - - - - - - - - Ni priskribas luman Doppleran efikon inter same akcelataj fonto kaj observanto ^ce special-relativeco. La propraj akceloj estas konstantaj kaj paralelaj.Comments: 11 pages, 8 figures, in Esperanto. English text on request. Portuguese/Esperanto text at ftp://ftp2.biblioteca.cbpf.br/pub/apub/2008/nf/nf_zip/nf00108.pdf ; equation (22) corrected, second paragraph of Conclusion clarifiedGeneral Physicstext