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Radiative, magnetic and numerical feedbacks on small-scale fragmentation


Commerçon, B; Hennebelle, P; Audit, E; Chabrier, G; Teyssier, R (2010). Radiative, magnetic and numerical feedbacks on small-scale fragmentation. Proceedings of the International Astronomical Union, 6(S270):227-230.

Abstract

Radiative feedback and magnetic field are understood to have a strong impact on the protostellar collapse. We present high resolution numerical calculations of the collapse of a 1 Msolar dense core in solid body rotation, including both radiative transfer and magnetic field. Using typical parameters for low-mass cores, we study thoroughly the effect of radiative transfer and magnetic field on the first core formation and fragmentation. We show that including the two aforementioned physical processes does not correspond to the simple picture of adding them separately. The interplay between the two is extremely strong, via the magnetic braking and the radiation from the accretion shock.

Abstract

Radiative feedback and magnetic field are understood to have a strong impact on the protostellar collapse. We present high resolution numerical calculations of the collapse of a 1 Msolar dense core in solid body rotation, including both radiative transfer and magnetic field. Using typical parameters for low-mass cores, we study thoroughly the effect of radiative transfer and magnetic field on the first core formation and fragmentation. We show that including the two aforementioned physical processes does not correspond to the simple picture of adding them separately. The interplay between the two is extremely strong, via the magnetic braking and the radiation from the accretion shock.

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Additional indexing

Item Type:Journal Article, not_refereed, original work
Communities & Collections:07 Faculty of Science > Institute for Computational Science
Dewey Decimal Classification:530 Physics
Scopus Subject Areas:Health Sciences > Medicine (miscellaneous)
Physical Sciences > Astronomy and Astrophysics
Health Sciences > Nutrition and Dietetics
Health Sciences > Public Health, Environmental and Occupational Health
Physical Sciences > Space and Planetary Science
Language:English
Date:2010
Deposited On:19 Feb 2012 20:03
Last Modified:23 Jan 2022 18:55
Publisher:Cambridge University Press
ISSN:1743-9213 (P) 1743-9221 (E)
Additional Information:Published online: 27 April 2011. - Copyright: Cambridge University Press. - Proceedings of IAU Symposium 270: Computational Star Formation, May 31-June 4, 2010, Barcelona, Spain
OA Status:Hybrid
Publisher DOI:https://doi.org/10.1017/S1743921311000421
Related URLs:http://arxiv.org/abs/1011.5651
http://www.iau.org/science/meetings/past/symposia/962/ (Organisation)
  • Content: Accepted Version
  • Content: Published Version