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Physical and wind properties of hot, luminous stars with ULLYSES

   Department of Physics and Astronomy

Sheffield United Kingdom Astrophysics

About the Project

Abstract: Massive stars are rare, though dominate the radiative, mechanical and chemical feedback in star-forming galaxies. Metal-poor massive stars are especially important since they are believed to be the progenitors of LIGO/VIRGO/KAGRA gravitational wave mergers and can be seen collectively in the rest-frame UV light of distant star-forming galaxies. This project seeks to exploit a major new HST Legacy programme ULLYSES which is obtaining high quality UV spectroscopy of hundreds of metal-poor massive stars in the Large and Small Magellanic Clouds, from which physical, chemical and wind properties will be obtained, allowing refinements to mass-loss prescriptions for massive stars, including the role of metallicity in driving winds from comparison with Galactic counterparts, which directly influences their ultimate fate as core collapse supernovae.

For more information on this project please contact .  Information on the Sheffield Astrophysics Group can be found at .

Funding Notes

For full consideration for an STFC or University funded PhD studentship please apply before 31st January 2022. Full details on how to apply can be found at View Website .

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