XRISM reveals slow-moving hot gas near black hole during faint X-ray phase

An international research team has reported remarkable findings from an XRISM observation of the black hole X-ray binary 4U 1630-472, located in our galaxy. XRISM is an X-ray astronomy satellite developed by Japan in collaboration with the United States and Europe and was launched from the Tanegashima Space Center on September 7, 2023.