Sub-mm free-free emission from the winds of massive stars in the age of ALMA

S. Daley-Yates, I. R. Stevens, T. D. Crossland

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Abstract

The thermal radio and sub-mm emission from the winds of massive stars is investigated and the contribution to the emission due to the stellar wind acceleration region and clumping of the wind is quantified. Building upon established theory, a method for calculating the thermal radio and sub-mm emission using results for a line-driven stellar outflow according to Castor, Abbott & Klein (1975) is presented. The results show strong variation of the spectral index for 10 2 GHz
Original languageEnglish
Number of pages12
JournalRoyal Astronomical Society. Monthly Notices
DOIs
Publication statusPublished - 1 Sep 2016

Keywords

  • astro-ph.SR
  • stars: massive
  • radio continuum: stars
  • stars: winds
  • outflows
  • stars: mass-loss
  • submillimetre: stars

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