Astrosat Picture of the Month #012

September 2018: The AstroSat Picture of the Month for September 2018 is a photograph of AstroSat itself. The top panel has two photographs of the fully assembled AstroSat. The bottom panel is an artists’s conception of the observatory in space. Can you identify each of the five telescopes in the top panel photographs? Pic Credit: […]

Astrosat Picture of the Month #011

August 2018: The AstroSat Picture of the Month for August 2018 is an X-ray image of the Tycho Supernova Remnant in the 0.8-2.0 nanometres (0.6-1.6 keV) range, made by the Soft X-ray Telescope on board AstroSat. The supernova remnant is roughly 8 arcminutes big (3.7 times smaller than the full moon in the sky) and […]

Astrosat Picture of the Month #010

July 2018: The AstroSat Picture of the Month for July 2018 is an image of the central part of the merging galaxy NGC 7252. This image has been obtained by dividing the NUV by the FUV image, pixel by pixel, indicating ‘ultraviolet colour’. The outer redder parts are where the stars older than 400 million […]

Astrosat Picture of the Month #009

June 2018: The AstroSat Picture of the Month for June 2018 is the ultraviolet image of the merging galaxy cluster Abell 2256, more than 800 million light years away. This cluster contains galaxies spread over a large area, and we have zoomed in on six of these galaxies to show you their ultraviolet images. The […]

Astrosat Picture of the Month #008

May 2018: The AstroSat Picture of the Month for May 2018 is the X-ray data from the Crab Nebula, using the ASTROSAT. The left panel shows the new result. One rotation period of the Crab Pulsar, of 33 milliseconds, is represented as the phase going from 0.0 to 1.0 and is repeated once more, from […]

Astrosat Picture of the Month #007

April 2018: The AstroSat Picture of the Month for April 2018 is the ultra-violet image of the Jellyfish Galaxy JO201, using ASTROSAT. This image shows hot young stars formed in the tentacles, visible to the left of the parent galaxy. These have been formed from the gas stripped from JO201 as it falls through the […]

Astrosat Picture of the Month #006

March 2018: The AstroSat Picture of the Month for March 2018 is the ultra-violet image of NGC 7252 or the ‘Atoms for Peace’ galaxy, using ASTROSAT. The two tails of gas and stars ripped out due to the merger of two galaxies can be seen in the image on the left (going upwards and also […]

Astrosat Picture of the Month #005

February 2018: The AstroSat Picture of the Month for February 2018 is the ultra-violet image of NGC 6960 or the Witch’s Broom, using ASTROSAT. The beautiful filaments are due to gas heated up because of the shocks from the Supernova explosion that happened thousands of years ago. (Picture Credits: Firoza K. Sutaria, K.P. Singh, P. […]

APOM 004 - NGC 40 Halo

Astrosat Picture of the Month #004

December 2017: The AstroSat Picture of the Month for December 2017 are the the ultra-violet images of NGC 40 using ASTROSAT. The pink-red part is the gas cloud NGC 40, also known as the Bow-Tie nebula, which is being illuminated by its central hot star. The new discovery is that of the halo region surrounding […]

Astrosat Picture of the Month #003

November 2017: The AstroSat Picture of the Month for November 2017 are the Near-UV (left) and Far-UV (right) images of the Globular Cluster NGC 1851, taken by UVIT on board the ASTROSAT. The FUV image shows only the hottest stars in the cluster. All colours are artificial. (Picture Credits: Annapurni Subramaniam and collaborators ) To […]