---
_id: '17751'
abstract:
- lang: eng
  text: With the help of numerical simulations, we examine two aspects of feedback
    from the first generation of stars on later star formation. First, we investigate
    the impact of relic HII regions on forming halos. We find that the positive and
    negative effects of such feedback nearly cancel because the increase in entropy
    due to heating is balanced by the increase in the H 2 fraction due to the free
    electrons. However, these halos can be delayed more easily by a background Lyman-Werner
    flux. Second, we show that HD cooling is important in halos which have been ionized
    and allowed to recombine. Gas is allowed to cool to the CMB temperature at densities
    around n∼10 4cm-3, reducing the accreted mass by a factor of a few. However, as
    the collapse proceeds, the central gas density exceeds the critical density of
    HD and heats until HD cooling is no longer important. Therefore the behaviour
    of the (smaller mass) core is relatively unaffected by HD cooling.
article_processing_charge: No
author:
- first_name: Greg L.
  full_name: Bryan, Greg L.
  last_name: Bryan
- first_name: Ian D.
  full_name: McGreer, Ian D.
  last_name: McGreer
- first_name: Andrei
  full_name: Mesinger, Andrei
  last_name: Mesinger
- first_name: Zoltán
  full_name: Haiman, Zoltán
  id: 7c006e8c-cc0d-11ee-8322-cb904ef76f36
  last_name: Haiman
citation:
  ama: 'Bryan GL, McGreer ID, Mesinger A, Haiman Z. Feedback effects on population
    III star formation. In: <i>AIP Conference Proceedings</i>. American Institute
    of Physics; 2008. doi:<a href="https://doi.org/10.1063/1.2905582">10.1063/1.2905582</a>'
  apa: 'Bryan, G. L., McGreer, I. D., Mesinger, A., &#38; Haiman, Z. (2008). Feedback
    effects on population III star formation. In <i>AIP Conference Proceedings</i>.
    Santa Fe, NM, United States: American Institute of Physics. <a href="https://doi.org/10.1063/1.2905582">https://doi.org/10.1063/1.2905582</a>'
  chicago: Bryan, Greg L., Ian D. McGreer, Andrei Mesinger, and Zoltán Haiman. “Feedback
    Effects on Population III Star Formation.” In <i>AIP Conference Proceedings</i>.
    American Institute of Physics, 2008. <a href="https://doi.org/10.1063/1.2905582">https://doi.org/10.1063/1.2905582</a>.
  ieee: G. L. Bryan, I. D. McGreer, A. Mesinger, and Z. Haiman, “Feedback effects
    on population III star formation,” in <i>AIP Conference Proceedings</i>, Santa
    Fe, NM, United States, 2008.
  ista: 'Bryan GL, McGreer ID, Mesinger A, Haiman Z. 2008. Feedback effects on population
    III star formation. AIP Conference Proceedings. FIRST STARS III: First Stars II
    Conference.'
  mla: Bryan, Greg L., et al. “Feedback Effects on Population III Star Formation.”
    <i>AIP Conference Proceedings</i>, American Institute of Physics, 2008, doi:<a
    href="https://doi.org/10.1063/1.2905582">10.1063/1.2905582</a>.
  short: G.L. Bryan, I.D. McGreer, A. Mesinger, Z. Haiman, in:, AIP Conference Proceedings,
    American Institute of Physics, 2008.
conference:
  end_date: 2007-07-20
  location: Santa Fe, NM, United States
  name: 'FIRST STARS III: First Stars II Conference'
  start_date: 2007-07-15
date_created: 2024-09-06T09:39:10Z
date_published: 2008-03-11T00:00:00Z
date_updated: 2024-09-30T07:46:06Z
day: '11'
doi: 10.1063/1.2905582
extern: '1'
fulldoi: https://doi.org/10.1063/1.2905582
language:
- iso: eng
main_file_link:
- url: https://doi.org/10.1063/1.2905582
month: '03'
oa_version: None
publication: AIP Conference Proceedings
publication_identifier:
  issn:
  - 0094-243X
publication_status: published
publisher: American Institute of Physics
quality_controlled: '1'
scopus_import: '1'
status: public
title: Feedback effects on population III star formation
type: conference
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
year: '2008'
...
