Browsing Institutt for teoretisk astrofysikk by Author "Mulay, Sargam M."

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  • Behaviour of molecular hydrogen emission in three solar flares 
    Mulay, Sargam M.; Fletcher, Lyndsay; Hudson, Hugh; Labrosse, Nicolas (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    ABSTRACT We have systematically investigated ultraviolet (UV) emission from molecular hydrogen (H2) using the Interface Region Imaging Spectrograph (IRIS), during three X-ray flares of C5.1, C9.7, and X1.0 classes ...
  • Evidence of chromospheric molecular hydrogen emission in a solar flare observed by the IRIS satellite 
    Mulay, Sargam M.; Fletcher, Lyndsay (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    We have carried out the first comprehensive investigation of enhanced line emission from molecular hydrogen, H2 at 1333.79 Å, observed at flare ribbons in SOL2014-04-18T13:03. The cool H2 emission is known to be fluorescently ...
  • Fast prograde coronal flows in solar active regions 
    Hudson, Hugh S.; Mulay, Sargam M.; Fletcher, Lyndsay; Docherty, Jennifer; Fitzpatrick, Jimmy; Pike, Eleanor; Strong, Morven; Chamberlin, Phillip C.; Woods, Thomas N. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    ABSTRACT We report the discovery and characterization of high-speed (>100 km s−1) horizontal flows in solar active regions, making use of the Sun-as-a-star spectroscopy in the range 5–105 nm provided by ...