To understand high energy processes in binary star systems containing neutron stars and black holes.

Estimate magnetic fields of neutron stars.

Study star birth regions and high energy processes in star systems lying beyond our galaxy.

Detect new briefly bright X-ray sources in the sky.

Perform a limited deep field survey of the Universe in the Ultraviolet region.

At present, all the payloads are operational and are observing the cosmic sources. The spacecraft and payloads are healthy. The first six months was dedicated for performance verification and calibration of payloads .After that, the science observations by the payloads began.

AstroSat updates

Story of the week related to AstroSat

Publications (30.9 KB)

A review article on "ASTROSAT -- Indian Multiwavelength Astronomy Satellite to View the Invisible Universe" by Prof. P.C.Agrawal has been published in Physics News, July -- December 2016 issue. Freely downloadable version of this article is available at :

Make your own AstroSat Model

Book on AstroSat Released - Download the Free Copy

Brochure (4.9 MB)

AstroSat Completes 2 years in Orbit

Fourth AO Cycle

Third AO Cycle

Second AO Cycle

AstroSat Announcement of Opportunity (AO)

Invitation for AstroSat Announcement of Opportunity (AO)

ISRO, in collaboration with the Inter-University Centre for Astronomy and Astrophysics (IUCAA), Pune has set up an AstroSat Support Cell (ASC) to facilitate the proposal making process and the use of AstroSat data. For more details,Visit http://astrosat-ssc.iucaa.in

India's AstroSat discovers one of the earliest galaxies in extreme-Ultraviolet light and marks a major breakthrough