Browsing by Author "Kurapati, Sushma"

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Discovery of a large HI ring around the quiescent galaxy AGC 203001

Bait, Omkar; Kurapati, Sushma; Duc, Pierre-Alain; Cuillandre, Jean-Charles; Wadadekar, Yogesh; Kamphuis, Peter; Barway, Sudhanshu (Oxford University Press on behalf of the Royal Astronomical Society, 2020-02)

Here we report the discovery with the Giant Metrewave Radio Telescope of an extremely large (∼115 kpc in diameter) H I ring, located around a massive quenched galaxy, AGC 203001, but off-centred with respect to it. This ...
Probing galaxy evolution through HI 21-cm emission and absorption: current status and prospects with square kilometre array

Dutta, Rajeshwari; Kurapati, Sushma; Aditya, J. N. H. S.; Bait, Omkar; Mousumi Das; Dutta, Prasun; Indulekha, K; Nandakumar, Meera; Patra, Narendra Nath; Roy, Nirupam; Roychowdhury, Sambit (Indian Academy of Sciences, 2022-12)

One of the major science goals of square kilometre array (SKA) is to understand the role played by atomic hydrogen (HI) gas in the evolution of galaxies throughout cosmic time. The hyperfine transition line of the hydrogen ...

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