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  • NAM2021
    • Contacts
  • Science
    • Science Programme
    • Plenary Talks
    • Parallel Sessions
    • Special Lunches/Discussion Sessions
    • Poster Session
    • NAM Community Session
  • Social
    • Presidential Address
    • Herschel Concert
    • RAS Awards Ceremony
    • Virtual Stonehenge Tour
  • Media
  • Public Engagement
    • Public engagement opportunities
    • Public talk
    • Writing Skyscapes
  • Venue
    • Code of Conduct
    • Accessing the conference
    • Gather.town
    • NAM2021 Slack
    • About Bath

Poster

id
No carbon left behind: Comparison of carbon yields between single massive stars and those stripped in binaries.
Cosmic Chemical Evolution
Robert
Farmer
Date Submitted
2021-04-23 12:02:00
University of Amsterdam
Carbon is essential for life, yet there remains uncertainties in when and where it is formed. The two main sources are massive stars and AGB stars. In this talk I will discuss how massive stars produce and eject carbon into the Universe. In single stars this can occur through wind mass loss and the ejection of the envelope in a core collapse supernovae. Using the MESA stellar evolution code I will show how the carbon yields vary between these different processes and thus varies over time. I will show how carbon yields vary between single and binary stars evolved up to core collapse as well their post supernovae explosive yields. I will discuss the role that a star being in a binary has on the production of carbon. Massive stars in binaries can be stripped by the companion, leading to additional mass loss. However I will show that it is the change in the core structure of the star, due to mass loss, that leads to an increase in the carbon yield and not the additional mass lost by itself.

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