The Metallicity and dust content of a redshift 5 gamma-ray burst host galaxy

M. Sparre; O. E. Hartoog; T. Krühler; J. P. U. Fynbo; D. J. Watson; K. Wiersema; V. D'Elia; T. Zafar; P. M. J. Afonso; S. Covino; A. de Ugarte Postigo; H. Flores; P. Goldoni; J. Greiner; J. Hjorth; P. Jakobsson; L. Kaper; S. Klose; A. J. Levan; D. Malesani; B. Milvang-Jensen; M. Nardini; S. Piranomonte; J. Sollerman; R. Sánchez-Ramírez; S. Schulze; N. R. Tanvir; S. D. Vergani; R. A. M. J. Wijers

doi:10.1088/0004-637X/785/2/150

The Metallicity and dust content of a redshift 5 gamma-ray burst host galaxy

M. Sparre, O. E. Hartoog, T. Krühler, J. P. U. Fynbo, D. J. Watson, K. Wiersema, V. D'Elia, T. Zafar, P. M. J. Afonso, S. Covino, A. de Ugarte Postigo, H. Flores, P. Goldoni, J. Greiner, J. Hjorth, P. Jakobsson, L. Kaper, S. Klose, A. J. Levan, D. MalesaniB. Milvang-Jensen, M. Nardini, S. Piranomonte, J. Sollerman, R. Sánchez-Ramírez, S. Schulze, N. R. Tanvir, S. D. Vergani, R. A. M. J. Wijers

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Abstract

Observations of the afterglows of long gamma-ray bursts (GRBs) allow the study of star-forming galaxies across most of cosmic history. Here we present observations of GRB 111008A, from which we can measure metallicity, chemical abundance patterns, dust-to-metals ratio (DTM), and extinction of the GRB host galaxy at z = 5.0. The host absorption system is a damped Lyα absorber with a very large neutral hydrogen column density of and a metallicity of [S/H] = -1.70 ± 0.10. It is the highest-redshift GRB with such a precise metallicity measurement. The presence of fine-structure lines confirms the z = 5.0 system as the GRB host galaxy and makes this the highest redshift where Fe II fine-structure lines have been detected. The afterglow is mildly reddened with A V = 0.11 ± 0.04 mag, and the host galaxy has a DTM that is consistent with being equal to or lower than typical values in the Local Group.

Original language	English
Article number	150
Number of pages	12
Journal	Astrophysical Journal
Volume	785
Issue number	2
DOIs	https://doi.org/10.1088/0004-637X/785/2/150
Publication status	Published - 20 Apr 2014
Externally published	Yes

Keywords

dust, extinction
galaxies: high-redshift
gamma-ray burst: individual (GRB 111008A)

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10.1088/0004-637X/785/2/150

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Sparre, M., Hartoog, O. E., Krühler, T., Fynbo, J. P. U., Watson, D. J., Wiersema, K., D'Elia, V., Zafar, T., Afonso, P. M. J., Covino, S., de Ugarte Postigo, A., Flores, H., Goldoni, P., Greiner, J., Hjorth, J., Jakobsson, P., Kaper, L., Klose, S., Levan, A. J., ... Wijers, R. A. M. J. (2014). The Metallicity and dust content of a redshift 5 gamma-ray burst host galaxy. Astrophysical Journal, 785(2), Article 150. https://doi.org/10.1088/0004-637X/785/2/150

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title = "The Metallicity and dust content of a redshift 5 gamma-ray burst host galaxy",

abstract = "Observations of the afterglows of long gamma-ray bursts (GRBs) allow the study of star-forming galaxies across most of cosmic history. Here we present observations of GRB 111008A, from which we can measure metallicity, chemical abundance patterns, dust-to-metals ratio (DTM), and extinction of the GRB host galaxy at z = 5.0. The host absorption system is a damped Lyα absorber with a very large neutral hydrogen column density of and a metallicity of [S/H] = -1.70 ± 0.10. It is the highest-redshift GRB with such a precise metallicity measurement. The presence of fine-structure lines confirms the z = 5.0 system as the GRB host galaxy and makes this the highest redshift where Fe II fine-structure lines have been detected. The afterglow is mildly reddened with A V = 0.11 ± 0.04 mag, and the host galaxy has a DTM that is consistent with being equal to or lower than typical values in the Local Group.",

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Sparre, M, Hartoog, OE, Krühler, T, Fynbo, JPU, Watson, DJ, Wiersema, K, D'Elia, V, Zafar, T, Afonso, PMJ, Covino, S, de Ugarte Postigo, A, Flores, H, Goldoni, P, Greiner, J, Hjorth, J, Jakobsson, P, Kaper, L, Klose, S, Levan, AJ, Malesani, D, Milvang-Jensen, B, Nardini, M, Piranomonte, S, Sollerman, J, Sánchez-Ramírez, R, Schulze, S, Tanvir, NR, Vergani, SD & Wijers, RAMJ 2014, 'The Metallicity and dust content of a redshift 5 gamma-ray burst host galaxy', Astrophysical Journal, vol. 785, no. 2, 150. https://doi.org/10.1088/0004-637X/785/2/150

TY - JOUR

T1 - The Metallicity and dust content of a redshift 5 gamma-ray burst host galaxy

AU - Sparre, M.

AU - Hartoog, O. E.

AU - Krühler, T.

AU - Fynbo, J. P. U.

AU - Watson, D. J.

AU - Wiersema, K.

AU - D'Elia, V.

AU - Zafar, T.

AU - Afonso, P. M. J.

AU - Covino, S.

AU - de Ugarte Postigo, A.

AU - Flores, H.

AU - Goldoni, P.

AU - Greiner, J.

AU - Hjorth, J.

AU - Jakobsson, P.

AU - Kaper, L.

AU - Klose, S.

AU - Levan, A. J.

AU - Malesani, D.

AU - Milvang-Jensen, B.

AU - Nardini, M.

AU - Piranomonte, S.

AU - Sollerman, J.

AU - Sánchez-Ramírez, R.

AU - Schulze, S.

AU - Tanvir, N. R.

AU - Vergani, S. D.

AU - Wijers, R. A. M. J.

PY - 2014/4/20

Y1 - 2014/4/20

N2 - Observations of the afterglows of long gamma-ray bursts (GRBs) allow the study of star-forming galaxies across most of cosmic history. Here we present observations of GRB 111008A, from which we can measure metallicity, chemical abundance patterns, dust-to-metals ratio (DTM), and extinction of the GRB host galaxy at z = 5.0. The host absorption system is a damped Lyα absorber with a very large neutral hydrogen column density of and a metallicity of [S/H] = -1.70 ± 0.10. It is the highest-redshift GRB with such a precise metallicity measurement. The presence of fine-structure lines confirms the z = 5.0 system as the GRB host galaxy and makes this the highest redshift where Fe II fine-structure lines have been detected. The afterglow is mildly reddened with A V = 0.11 ± 0.04 mag, and the host galaxy has a DTM that is consistent with being equal to or lower than typical values in the Local Group.

AB - Observations of the afterglows of long gamma-ray bursts (GRBs) allow the study of star-forming galaxies across most of cosmic history. Here we present observations of GRB 111008A, from which we can measure metallicity, chemical abundance patterns, dust-to-metals ratio (DTM), and extinction of the GRB host galaxy at z = 5.0. The host absorption system is a damped Lyα absorber with a very large neutral hydrogen column density of and a metallicity of [S/H] = -1.70 ± 0.10. It is the highest-redshift GRB with such a precise metallicity measurement. The presence of fine-structure lines confirms the z = 5.0 system as the GRB host galaxy and makes this the highest redshift where Fe II fine-structure lines have been detected. The afterglow is mildly reddened with A V = 0.11 ± 0.04 mag, and the host galaxy has a DTM that is consistent with being equal to or lower than typical values in the Local Group.

KW - dust, extinction

KW - galaxies: high-redshift

KW - gamma-ray burst: individual (GRB 111008A)

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U2 - 10.1088/0004-637X/785/2/150

DO - 10.1088/0004-637X/785/2/150

M3 - Article

SN - 0004-637X

VL - 785

JO - Astrophysical Journal

JF - Astrophysical Journal

IS - 2

M1 - 150

ER -

The Metallicity and dust content of a redshift 5 gamma-ray burst host galaxy

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