NAM2019
  • 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
  • Monday
  • Tuesday
  • Wednesday
  • Thursday
  • Friday
  • Posters
  • 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
  • Monday
  • Tuesday
  • Wednesday
  • Thursday
  • Friday
  • Posters

Tuesday

Schedule

id
date time
PM2
16:15
Abstract
The propagation of ionization fronts during cosmic reionization
Tuesday
CB1.1

Abstract details

id
The propagation of ionization fronts during cosmic reionization
Date Submitted
2021-04-30 11:07:00
Tsang Keung
Chan
Durham University
Theory and Observations of the First Light and Reionisation Epoch (FLARE)
Contributed
Tsang Keung Chan (Durham), Alejandro Benitez-Llambay (Durham), Tom Theuns (Durham), Richard Bower (Durham), Carlos Frenk (Durham)
We have developed an adaptive and efficient radiative transfer scheme, SPHM1-RT, and implemented it in the tasked-based smoothed particle hydrodynamics code, SWIFT. We use this code to perform high-resolution 3D simulations of the propagation of ionization fronts from boundaries through the clumpy intergalactic medium during cosmic reionization for various redshifts and amplitudes of the imposed ionization rate. The simulations resolve the smallest mini-halos that can trap an incoming ionization front, and follow their photo-evaporation over hundreds of million years. We examine the extent to which density structure and mini-halos affect the speed of an ionization front and measure the evolving clumping factor. We discuss their implications for 21cm observations.

NAM 2020 Logo AWRAS Logo

 

Bath University LogoUKRI STFC new

All attendees are expected to show respect and courtesy to other attendees and staff, and to adhere to the NAM Code of Conduct.

© 2022 Royal Astronomical Society

Login