2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/15355We present here a status update on the ASCA Hard Serendipitous Survey (HSS), a survey program conducted in the 2-10 keV energy band. In particular we discuss the number-flux relationship, the 2-10 keV spectral properties of the sources and of the spectroscopically identified objects.4 pages, LaTex manuscript. Proceedings of the Conference X-ray Astronomy'99: Stellar Endpoints, AGN and Diffuse Background. To appear on Astrophysical Letters and CommunicationsAstrophysicstext