ROXA (Radio-Optical-X-ray at ASDC) Blazars Catalog

Although blazars are a small fraction of the overall AGN population, they are expected to be the dominant population of extragalactic sources in the hard X-ray and...尽管耀变体（blazars）在整体活动星系核（Active Galactic Nucleus, AGN）族群中仅占极小比例，但它们被认为是硬X射线及……波段河外源的主导种群。