Sky distribution of the sources (AGN) in the current K-band Celestial Reference Frame (K-CRF)
The sky distribution of the 1327 sources (AGN) in the current K-CRF astrometric catalogue (19Jan. 2024 astrometric solution, D. Gordon, USNO), colour-coded by the number of sessions each source wasobserved in. The median number of sessions is 27.