Welcome to the home page of the ROSAT Science Data Center located at the Smithsonian Astrophysical Observatory in Cambridge, Massachusetts! We are the data support center for the ROSAT Xray orbiting observatory.
The ROSAT Science Data Center is no longer active. Question about PROS or ROSAT can still be directed to hotseat or rsdc but we have limited resources to solve major problems. Please note the dates on documents below and we will do our best to assist you with ROSAT questions.
We provide the following services: