2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/14560The paper is withdrawn due to certain inherent problem in the public archival data of BATSE which may have modulation due to satellite precession.The paper is withdrawn due to certain inherent problem in the public archival data of BATSE which may have modulation due to satellite precessionAstrophysicsDiscovery of 51d periodicity in the X-ray source GRS 1915+105text