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Browsing by Author "Mohan, Rekhesh"

Browsing by Author "Mohan, Rekhesh"

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  • Spectroscopic Investigation Of Nebular Gas (SING): a dedicated NUV spectrograph to study extended objects from a stable space platform 
    Chandra, B; Sachkov, Mikhail; Shanti Prabha, C; Prakash, A; Nair, B. G; Safonova, M; Rai, R; Mohan, Rekhesh; Murthy, J; Shmagin, Vladimir (SPIE-The International Society for Optical Engineering, 2020-12)
    One of the most exciting parts of the astrophysical spectrum is the ultraviolet, with a greater density of absorption and emission lines than any other part of the electromagnetic spectra. Our primary science objective ...
  • TAUVEX---UV observations from geosynchronous orbit 
    Murthy, J; Safonova, M; Mohan, Rekhesh; Gopakumar, P (Astronomical Society of India, 2007-06)
    The T Observatory consists of three identical co-aligned telescopes operating in several bands in the 1200-3500, rmAA bandpass from geostationary orbit. The major science objectives of T are (a) searches for QSOs and AGNs ...
  • A three-dimensional automated classification scheme for the TAUVEX data pipeline 
    Bora, A; Gupta, R; Singh, H. P; Murthy, J; Mohan, Rekhesh; Duorah, K (Blackwell Publishing, 2008-02)
    In order to develop a pipeline for automated classification of stars to be observed by the Tel-Aviv University Ultra-Violet Experiment (TAUVEX) ultraviolet space telescope, we employ an artificial neural network (ANN) ...
  • 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 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 ...

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