AstroSat is India's first dedicated multi-wavelength space observatory launched by the Indian Space Research Organisation (ISRO) on 28 September 2015. AstroSat is specially designed to study the high energy phenomenon, detect transient X-ray sources, measure neutron star’s magnetic fields, and deep field U.V. survey. General information about AstroSat is available at After launch, the AstroSat Science Support Cell (ASSC) was set up as a joint venture of the Indian Space Research Organisation (ISRO) and the Inter-University Centre for Astronomy and Astrophysics (IUCAA) with the primary purpose of facilitating the use of AstroSat, both for making observing proposals and for utilizing archival data. This website will provide tools and documentation required for these activities, maintain updates. The ASSC organizes meetings, workshops, and webinars to train users in these activities, runs a help desk to address user queries, provides utility tools, and disseminates analysis software through a consolidated web portal. It also maintains the AstroSat Proposal Processing System (APPS), which is deployed at ISSDC, a software platform central to the workflow management of AstroSat operations.

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