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Flux and polarization variability of OJ 287 during early 2016 outburst
Suvendu Rakshit, C. S. Stalin, S. Muneer +2
The gamma-ray blazar OJ 287 was in a high activity state during December 2015 - February 2016. Coinciding with this high brightness state, we observed this source for photometry on…
Intra-night optical variability characteristics of different classes of narrow line Seyfert 1 galaxies
Kshama S. K., Vaidehi S. Paliya, C. S. Stalin
In a first systematic effort to characterize the intra-night optical variability (INOV) of different classes of narrow line Seyfert 1 (NLSy1) galaxies, we have carried out observat…
A Hot Companion to a Blue Straggler in NGC188 as Revealed by the Ultra-violet Imaging Telescope (UVIT) on ASTROSAT
Subramaniam Annapurni, Sindhu N., Tandon S. N. +14
We present early results from the Ultra-Violet Imaging Telescope (UVIT) onboard the ASTROSAT observatory. We report the discovery of a hot companion associated with one of the blue…
In-orbit Performance of UVIT and First Results
S. N. Tandon, J. B. Hutchings, S. K. Ghosh +23
The performance of the ultraviolet telescope (UVIT) on-board ASTROSAT is reported. The performance in orbit is also compared with estimates made from the calibrations done on the g…
Tracking galaxy evolution through low frequency radio continuum observations using SKA and Citizen-science Research using Multi-wavelength data
Ananda Hota, Chiranjib Konar, C. S. Stalin +6
We present a review on galaxy black hole co-evolution through merger, star formation and AGN-jet feedback. We highlight results on transitional galaxies (e.g. NGC1482, NGC6764, NGC…
In-orbit Performance of UVIT on ASTROSAT
Annapurni Subramaniam, Shyam N. Tandon, John Hutchings +23
We present the in-orbit performance and the first results from the ultra-violet Imaging telescope (UVIT) on ASTROSAT. UVIT consists of two identical 38cm coaligned telescopes, one…