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Browsing by Author "Stetson, Peter B"

Browsing by Author "Stetson, Peter B"

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  • Detection of a white dwarf companion to a blue straggler star in the outskirts of globular cluster NGC 5466 with the ultraviolet imaging telescope (UVIT) 
    Snehalata Sahu; Subramaniam, A; Simunovic, Mirko; Postma, J; Cote, Patrick; Kameswara Rao, N; Geller, Aaron M; Leigh, Nathan; Shara, Michael; Puzia, Thomas H; Stetson, Peter B (IOP Publishing, 2019-05-01)
    We report the discovery of a hot white dwarf (WD) companion to a blue straggler star (BSS) in the globular cluster (GC) NGC 5466, based on observations from the Ultra-Violet Imaging Telescope (UVIT) on board AstroSat. ...
  • Globular Cluster UVIT Legacy Survey (GlobULeS) – I. FUV–optical colour–magnitude diagrams for eight globular clusters 
    Sahu, Snehalata; Subramaniam, A; Singh, Gaurav; Yadav, Ramakant; Valcarce, Aldo R; Choudhury, Samyaday; Sharmila Rani; Deepthi, S. Prabhu; Chung, Chul; Cote, Patrick; Leigh, Nathan; Geller, Aaron M; Chatterjee, Sourav; Kameswara Rao, N; Bandyopadhyay, Avrajit; Shara, Michael; Dalessandro, Emanuele; Pandey, G; Postma, Joesph E; Hutchings, John; Simunovic, Mirko; Stetson, Peter B; Sivarani, T; Puzia, Thomas; Sohn, Young-Jong (Oxford University Press on behalf of the Royal Astronomical Society, 2022-07)
    We present the first results of eight globular clusters (GCs) from the AstroSat/UVIT Legacy Survey programme GlobULeS based on the observations carried out in two far-ultraviolet (FUV) filters (F148W and F169M). The ...
  • UVIT–HST–GAIA view of NGC 288: a census of the hot stellar population and its properties from UV 
    Snehalata Sahu; Subramaniam, A; Cote, Patrick; Kameswara Rao, N; Stetson, Peter B (Oxford University Press on behalf of the Royal Astronomical Society, 2019-01)
    A complete census of the blue horizontal branch (BHB) and blue straggler star (BSS) population within a 10 radius from the centre of the globular cluster NGC 288 is presented, based on images from the Ultraviolet Imaging ...

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