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Browsing by Author "Ghosh, S. K"

Browsing by Author "Ghosh, S. K"

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  • UVIT Observations of the Small Magellanic Cloud: Point-source Catalog 
    Devaraj, A; Joseph, P; Stalin, C. S; Tandon, S. N; Ghosh, S. K (American Astronomical Society, 2023-04-01)
    Three fields in the outskirts of the Small Magellanic Cloud were observed by the UltraViolet Imaging Telescope (UVIT) on board AstroSat, between 2017 December 31 and 2018 January 1. The observations were carried out on a ...
  • UVIT observations of the star-forming ring in NGC 7252: Evidence of possible AGN feedback suppressing central star formation 
    George, K; Joseph, P; Mondal, Chayan; Devaraj, A; Subramaniam, A; Stalin, C. S; Cote, P; Ghosh, S. K; Hutchings, J. B; Mohan, Rekhesh; Postma, J; Sankarasubramanian, K; Sreekumar, P; Tandon, S. N (EDP Sciences, 2018-05)
    Context. Some post-merger galaxies are known to undergo a starburst phase that quickly depletes the gas reservoir and turns it into a red-sequence galaxy, though the details are still unclear. Aims. Here we explore the ...
  • UVIT view of NGC 5291: Ongoing star formation in tidal dwarf galaxies at ∼ 0.35 kpc resolution 
    Rakhi, R; Santhosh, Geethika; Joseph, Prajwel; George, Koshy; Subramanian, S; Kavila, Indulekha; Postma, J; Duc, Pierre-Alain; Cote, Patrick; Cortese, Luca; Ghosh, S. K; Subramaniam, A; Tandon, Shyam; Hutchings, John; Wesley, P. Samuel; Bharadwaj, Aditya; Niroula, Neeran (Oxford University Press on behalf of Royal Astronomical Society, 2023-06)
    NGC 5291, an early-type galaxy surrounded by a giant H I ring, is believed to be formed from collision with another galaxy. Several star forming complexes and tidal dwarf galaxies are distributed along the collisional ...
  • UVIT view of ram-pressure stripping in action: Star formation in the stripped gas of the GASP jellyfish galaxy JO201 in Abell 85 
    George, K; Poggianti, B. M; Gullieuszik, M; Fasano, G; Bellhouse, C; Postma, J; Moretti, A; Jaffe, Y; Vulcani, B; Bettoni, D; Fritz, J; Cote, P; Ghosh, S. K; Hutchings, J. B; Mohan, Rekhesh; Sreekumar, P; Stalin, C. S; Subramaniam, A; Tandon, S. N (Oxford University Press on behalf of the Royal Astronomical Society, 2018-09)
    Jellyfish are cluster galaxies that experience strong ram-pressure effects that strip their gas. Their Hα images reveal ionized gas tails up to 100 kpc, which could be hosting ongoing star formation. Here, we report the ...
  • V1647 Orionis 
    Ojha, D. K; Ghosh, S. K; Kaurav, S. S; Bhatt, B. C; Sahu, D. K; Tej, A (International Astronomical Union, 2008-12)
  • V899 Mon: an outbursting protostar with a peculiar light curve, and its transition phases 
    Ninan, J. P; Ojha, D. K; Baug, T; Bhatt, B. C; Mohan, V; Ghosh, S. K; Menshchikov, A; Anupama, G. C; Tamura, M; Henning, Th (IOP Publishing, 2015-12-10)
    We present a detailed study of V899 Mon (a new member in the FUors/EXors family of young low-mass stars undergoing outburst), based on our long-term monitoring of the source starting from 2009 November to 2015 April. Our ...
  • Warp of the Galactic Disk as seen in Mid Infrared from Midcourse Space Experiment 
    Vig, S; Ghosh, S. K; Ojha, D. K (Astronomical Society of India, 2003)
    The nature of the warp structure in the distribution of stellar as well as warm interstellar dust (WISD) components in the Galactic disk has been investigated using respective mid infrared emissions. Such a study with high ...

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