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1 results

  • Simultaneous observations of exited OH and methanol maser - coincidence and magnetic field

  • Agnieszka Kobak
  • Journal:
    Proceedings of the International Astronomical Union / Volume 18 / Issue S380 / December 2022
    Published online by Cambridge University Press:
    07 February 2024, pp. 182-185
    Print publication:
    December 2022
    • Article
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  • We present the first results of simultaneous observations of the 6.035 GHz exited OH and 6.7 GHz methanol masers toward a sample of 10 high-mass young stellar objects (HMYSOs), observed using eMERLIN in 2020 and 2022. Searching for the coincidence and avoidance of these two maser transitions, we estimate physical conditions around central protostars. We identify Zeeman-splittings of the OH emission and determine the strength of the magnetic field. Combining it with linear polarization, we derive the magnetic field structure in these high-mass star-forming regions.