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Sáiz, A.; Domínguez-Tenreiro, R.; Tissera, P.B.; Courteau, S. "Disc-like objects in hierarchical hydrodynamical simulations: Comparison with observations" (2001) Monthly Notices of the Royal Astronomical Society. 325(1):119-132
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Abstract:

We present results from a careful and detailed analysis of the structural and dynamical properties of a sample of 29 disc-like objects identified at z = 0 in three AP3M-SPH fully consistent cosmological simulations. These simulations are realizations of a CDM hierarchical model, in which an inefficient Schmidt-law-like algorithm to model the stellar formation process has been implemented. We focus on properties that can be constrained with available data from observations of spiral galaxies, namely the bulge and disc structural parameters and the rotation curves. Comparison with data from Broeils, de Jong and Courteau gives satisfactory agreement, in contrast with previous findings using other codes. This suggests that the stellar formation implementation we have used has succeeded in forming compact bulges that stabilize disc-like structures in the violent phases of their assembly, while in the quiescent phases the gas has cooled and collapsed in accord with the Fall & Efstathiou standard model of disc formation.

Registro:

Documento: Artículo
Título:Disc-like objects in hierarchical hydrodynamical simulations: Comparison with observations
Autor:Sáiz, A.; Domínguez-Tenreiro, R.; Tissera, P.B.; Courteau, S.
Filiación:Depto. de Fis. Teórica, C-XI. Univ. Auton. de Madrid, Madrid, E-28049, Spain
IAFE, Casilla de Correos 67, Suc. 28, Buenos Aires, 1428, Argentina
University of British Columbia, Department of Physics and Astronomy, Vancouver, BC V6T 1Z1, Canada
Palabras clave:Galaxies: evolution; Galaxies: formation; Galaxies: spiral; Galaxies: structure; Hydrodynamics; Methods: numerical
Año:2001
Volumen:325
Número:1
Página de inicio:119
Página de fin:132
DOI: http://dx.doi.org/10.1046/j.1365-8711.2001.04391.x
Título revista:Monthly Notices of the Royal Astronomical Society
Título revista abreviado:Mon. Not. R. Astron. Soc.
ISSN:00358711
CODEN:MNRAA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00358711_v325_n1_p119_Saiz

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Citas:

---------- APA ----------
Sáiz, A., Domínguez-Tenreiro, R., Tissera, P.B. & Courteau, S. (2001) . Disc-like objects in hierarchical hydrodynamical simulations: Comparison with observations. Monthly Notices of the Royal Astronomical Society, 325(1), 119-132.
http://dx.doi.org/10.1046/j.1365-8711.2001.04391.x
---------- CHICAGO ----------
Sáiz, A., Domínguez-Tenreiro, R., Tissera, P.B., Courteau, S. "Disc-like objects in hierarchical hydrodynamical simulations: Comparison with observations" . Monthly Notices of the Royal Astronomical Society 325, no. 1 (2001) : 119-132.
http://dx.doi.org/10.1046/j.1365-8711.2001.04391.x
---------- MLA ----------
Sáiz, A., Domínguez-Tenreiro, R., Tissera, P.B., Courteau, S. "Disc-like objects in hierarchical hydrodynamical simulations: Comparison with observations" . Monthly Notices of the Royal Astronomical Society, vol. 325, no. 1, 2001, pp. 119-132.
http://dx.doi.org/10.1046/j.1365-8711.2001.04391.x
---------- VANCOUVER ----------
Sáiz, A., Domínguez-Tenreiro, R., Tissera, P.B., Courteau, S. Disc-like objects in hierarchical hydrodynamical simulations: Comparison with observations. Mon. Not. R. Astron. Soc. 2001;325(1):119-132.
http://dx.doi.org/10.1046/j.1365-8711.2001.04391.x