Survey area comparison between previous studies and this work. The filled orange circle represents the estimated survey area of this work, while the star plot denotes the final release status of HSC-VIKING-eRASS. The filled green, purple, and pink triangles denote the survey areas of previous X-ray detected DOG studies in the Chandra Deep Field South (CDFS; Corral et al. 2016), the COSMOS field (Riguccini et al. 2019), and XMM-LSS field (Kayal & Singh 2024), respectively. The red line outlines the extent of the all-sky area.