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Radboud University > Faculty of Science > Department of Astrophysics

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news:studying_the_diffuse_ionized_gas_in_the_milky_way [2012/06/03 22:39]
marijke created
news:studying_the_diffuse_ionized_gas_in_the_milky_way [2012/06/03 22:39] (current)
marijke
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 == Studying the Diffuse Ionized Gas in the Milky Way == == Studying the Diffuse Ionized Gas in the Milky Way ==
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 Massive stars and their resultant supernovæ ionize their surrounding interstellar gas through shocks. These shocks are believed to drive an outflow of gas, energetic photons, and ‘metals’ from the disks of galaxies, including our Milky Way. We aim to study these star-gas interactions and the ionized component of the interstellar gas using LOFAR and the upcoming Apertif instrument. Due to its unique design, LOFAR can produce sensitive maps of large portions of sky with high spatial and spectral resolution. In this talk I will discuss our ongoing studies, including comparisons of MHD simulations with various observations,​ LOFAR studies of radio-recombination lines in 20 − 90 MHz band, and observations of radio-source scintillations. Massive stars and their resultant supernovæ ionize their surrounding interstellar gas through shocks. These shocks are believed to drive an outflow of gas, energetic photons, and ‘metals’ from the disks of galaxies, including our Milky Way. We aim to study these star-gas interactions and the ionized component of the interstellar gas using LOFAR and the upcoming Apertif instrument. Due to its unique design, LOFAR can produce sensitive maps of large portions of sky with high spatial and spectral resolution. In this talk I will discuss our ongoing studies, including comparisons of MHD simulations with various observations,​ LOFAR studies of radio-recombination lines in 20 − 90 MHz band, and observations of radio-source scintillations.