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Nuza, S.E.; Tissera, P.B.; Pellizza, L.J.; Lambas, D.G.; Scannapieco, C.; De Rossi, M.E. "The host galaxies of long-duration gamma-ray bursts in a cosmological hierarchical scenario" (2007) Monthly Notices of the Royal Astronomical Society. 375(2):665-672
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Abstract:

We developed a Monte Carlo code to generate long-duration gamma-ray burst (LGRB) events within cosmological hydrodynamical simulations consistent with the concordance A cold dark matter model. As structure is assembled, LGRBs are generated in the substructure that formed galaxies today. We adopted the collapsar model so that LGRBs are produced by single, massive stars at the final stage of their evolution. We found that the observed properties of the LGRB host galaxies (HGs) are reproduced if LGRBs are also required to be generated by low-metallicity stars. The low-metallicity condition imposed on the progenitor stars of LGRBs selects a sample of HGs with mean gas abundances of 12 + log O/H ≈ 8.6. For z < 1 the simulated HGs of low-metallicity LGRB progenitors tend to be faint, slow rotators with high star formation efficiency, compared with the general galaxy population, in agreement with observations. At higher redshift, our results suggest that larger systems with high star formation activity could also contribute to the generation of LGRBs from low-metallicity progenitors since the fraction of low-metallicity gas available for star formation increases for all systems with look-back time. Under the hypothesis of our LGRB model, our results support the claim that LGRBs could be unbiased tracers of star formation at high redshifts. © 2007 RAS.

Registro:

Documento: Artículo
Título:The host galaxies of long-duration gamma-ray bursts in a cosmological hierarchical scenario
Autor:Nuza, S.E.; Tissera, P.B.; Pellizza, L.J.; Lambas, D.G.; Scannapieco, C.; De Rossi, M.E.
Filiación:Instituto de Astronomía y Física del Espacio, CC 67, Suc. 28, 1428 Buenos Aires, Argentina
AIM (UMR 7158), Service d'Astrophysique, L'Orme des Merisiers, 91191 Gif-sur-Yvette, France
Grupo IATE, Observatorio Astronómico de Córdoba, Laprida 854, X5000BGR Córdoba, Argentina
Max-Planck-Institut für Astrophysik, Karl-Schwarzschild-Str. 1, D-85748 Garching, Germany
Palabras clave:Cosmology: theory; Galaxy: abundances; Galaxy: evolution; Gamma-rays: bursts; Methods: N-body simulations
Año:2007
Volumen:375
Número:2
Página de inicio:665
Página de fin:672
DOI: http://dx.doi.org/10.1111/j.1365-2966.2006.11324.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_v375_n2_p665_Nuza

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Citas:

---------- APA ----------
Nuza, S.E., Tissera, P.B., Pellizza, L.J., Lambas, D.G., Scannapieco, C. & De Rossi, M.E. (2007) . The host galaxies of long-duration gamma-ray bursts in a cosmological hierarchical scenario. Monthly Notices of the Royal Astronomical Society, 375(2), 665-672.
http://dx.doi.org/10.1111/j.1365-2966.2006.11324.x
---------- CHICAGO ----------
Nuza, S.E., Tissera, P.B., Pellizza, L.J., Lambas, D.G., Scannapieco, C., De Rossi, M.E. "The host galaxies of long-duration gamma-ray bursts in a cosmological hierarchical scenario" . Monthly Notices of the Royal Astronomical Society 375, no. 2 (2007) : 665-672.
http://dx.doi.org/10.1111/j.1365-2966.2006.11324.x
---------- MLA ----------
Nuza, S.E., Tissera, P.B., Pellizza, L.J., Lambas, D.G., Scannapieco, C., De Rossi, M.E. "The host galaxies of long-duration gamma-ray bursts in a cosmological hierarchical scenario" . Monthly Notices of the Royal Astronomical Society, vol. 375, no. 2, 2007, pp. 665-672.
http://dx.doi.org/10.1111/j.1365-2966.2006.11324.x
---------- VANCOUVER ----------
Nuza, S.E., Tissera, P.B., Pellizza, L.J., Lambas, D.G., Scannapieco, C., De Rossi, M.E. The host galaxies of long-duration gamma-ray bursts in a cosmological hierarchical scenario. Mon. Not. R. Astron. Soc. 2007;375(2):665-672.
http://dx.doi.org/10.1111/j.1365-2966.2006.11324.x