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Cited by 306

The DOI matches its Crossref record; 41 of the 41 references it cites were found in a registry or an index.

Ionizing feedback from massive stars in massive clusters - II. Disruption of bound clusters by photoionization

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Dale, J. E., Ercolano, B., Bonnell, I. A.·2012·Monthly Notices of the Royal Astronomical Society

Abstract

We present a smoothed particle hydrodynamics parameter study of the dynamical effect of photoionization from O-type stars on star-forming clouds of a range of masses and sizes during the time window before supernovae explode. Our model clouds all have the same degree of turbulent support initially, the ratio of turbulent kinetic energy to gravitational potential energy being set to Ekin/|Epot|= 0.7. We allow the clouds to form stars and study the dynamical effects of the ionizing radiation from the massive stars or clusters born within them. We find that dense filamentary structures and accretion flows limit the quantities of gas that can be ionized, particularly in the higher density clusters. More importantly, the higher escape velocities in our more massive (106 M⊙) clouds prevent the H ii regions from sweeping up and expelling significant quantities of gas, so that the most massive clouds are largely dynamically unaffected by ionizing feedback. However, feedback has a profound effect on the lower density 104 and 105 M⊙ clouds in our study, creating vast evacuated bubbles and expelling tens of per cent of the neutral gas in the 3-Myr time-scale before the first supernovae are expected to detonate, resulting in clouds highly porous to both photons and supernova ejecta.

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Crossref · 10.1111/j.1365-2966.2012.21205.x

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Metadata

Authors
Dale, J. E., Ercolano, B., & Bonnell, I. A.
Venue
Monthly Notices of the Royal Astronomical Society
Published
2012-06-15
Volume
424
Issue
1
Pages
377-392
ISSN
0035-8711 (ISSN-L)
OpenAlex
W1930544584
Cited by
306
References
41
FWCI
15.77
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Ionizing feedback from massive stars in massive clusters - II. Disruption of bound clusters by photoionization. https://app.cochat.ai/papers/10.1111/j.1365-2966.2012.21205.x
The paper
Dale, J. E., Ercolano, B., & Bonnell, I. A. (2012). Ionizing feedback from massive stars in massive clusters - II. Disruption of bound clusters by photoionization. Monthly Notices of the Royal Astronomical Society. https://doi.org/10.1111/j.1365-2966.2012.21205.x

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