DS9 development has been made possible by funding from the Chandra X-ray Science Center (CXC) (NAS8-03060) and the High Energy Astrophysics Science Archive Center (HEASARC) (NCC5-568). Additional funding was provided by the JWST Mission office at Space Telescope Science Institute (NAS-03127) to improve capabilities for 3-D data visualization.
If you have found DS9 to be helpful in your research, the following acknowledgment would be appreciated
"This research has made use of SAOImageDS9, developed by Smithsonian Astrophysical Observatory"
or reference the following paper 2003adass..295..489J