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Browsing by Subject "ultraviolet: stars"

Browsing by Subject "ultraviolet: stars"

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  • GlobULeS – V. UVIT/AstroSat studies of stellar populations in NGC 362: detection of blue lurkers in a globular cluster 
    Dattatrey, Arvind K.; Yadav, R. K. S.; Kumawat, Gourav; Rani, Sharmila; Singh, Gaurav; Subramaniam, Annapurni; Singh, Ravi S. (Monthly Notices of the Royal Astronomical Society Letters, 2023-07)
    We report the discovery of four blue lurkers with low- and extremely low mass white dwarf (ELM WD) companions in the Galactic globular cluster NGC 362 using AstroSat’s Ultra Violet Imaging Telescope (UVIT). We analysed ...
  • UOCS –VIII. UV study of the open cluster NGC 2506 using ASTROSAT 
    Panthi, Anju,et.al.; Pandey, Sindhu (Monthly Notices of the Royal Astronomical Society, 2022-11)
    We study an intermediate-age open cluster (OC) NGC 2506 using the ASTROSAT/UVIT data and other archival data. We identified 2175 cluster members using a machine learning-based algorithm, ML–MOC, on Gaia EDR3 data. Among ...
  • X-Ray and Ultraviolet Flares on AT Microscopii Observed by AstroSat 
    Kuznetsov, A. A.; Karakotov, R. R.; Chandrashekhar, K.; Banerjee, D. (Research in Astronomy and Astrophysics, 2023-01)
    We present observations of the active M-dwarf binary AT Mic (dM4.5e+dM4.5e) obtained with the orbital observatory AstroSat. During 20 ks of observations, in the far-ultraviolet (130–180 nm) and soft X-ray (0.3–7 keV) spectral ...

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