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

doi:10.1093/mnras/stw2184

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

Physics and Astronomy

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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 language	English
Number of pages	12
Journal	Royal Astronomical Society. Monthly Notices
DOIs	https://doi.org/10.1093/mnras/stw2184
Publication status	Published - 1 Sept 2016

Bibliographical note

12 pages, 8 figures

Keywords

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

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Daley-Yates_et_al_Sub-mm_free-free_emissions_MNRASFinal published version, 651 KBLicence: Creative Commons: Attribution (CC BY)

http://mnras.oxfordjournals.org/content/early/2016/09/01/mnras.stw2184Licence: Creative Commons: Attribution (CC BY)

Cite this

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title = "Sub-mm free-free emission from the winds of massive stars in the age of ALMA",

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",

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AU - Stevens, I. R.

AU - Crossland, T. D.

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PY - 2016/9/1

Y1 - 2016/9/1

N2 - 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

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KW - astro-ph.SR

KW - stars: massive

KW - radio continuum: stars

KW - stars: winds

KW - outflows

KW - stars: mass-loss

KW - submillimetre: stars

U2 - 10.1093/mnras/stw2184

DO - 10.1093/mnras/stw2184

M3 - Article

SN - 0035-8711

JO - Royal Astronomical Society. Monthly Notices

JF - Royal Astronomical Society. Monthly Notices

ER -

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

Abstract

Bibliographical note

Keywords

Access to Document

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Cite this