The redshift distribution of the TOUGH survey

Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

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The redshift distribution of the TOUGH survey. / Jakobsson, P.; Hjorth, J.; Malesani, D.; Fynbo, J. P U; Tanvir, N. R.; Milvang-Jensen, B.; Krühler, T.

Gamma-ray Bursts: 5 Years of GRB Afterglows – Progenitors, Environments and Host Galaxies from the Nearby to the Early Universe,. ed. / A.J Castro-Tirado; J. Gorosabel; I.H. Park. Cambridge University Press, 2013. p. 397-401 (EAS Publications Series, Vol. 61).

Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

Harvard

Jakobsson, P, Hjorth, J, Malesani, D, Fynbo, JPU, Tanvir, NR, Milvang-Jensen, B & Krühler, T 2013, The redshift distribution of the TOUGH survey. in AJ Castro-Tirado, J Gorosabel & IH Park (eds), Gamma-ray Bursts: 5 Years of GRB Afterglows – Progenitors, Environments and Host Galaxies from the Nearby to the Early Universe,. Cambridge University Press, EAS Publications Series, vol. 61, pp. 397-401. https://doi.org/10.1051/eas/1361063

APA

Jakobsson, P., Hjorth, J., Malesani, D., Fynbo, J. P. U., Tanvir, N. R., Milvang-Jensen, B., & Krühler, T. (2013). The redshift distribution of the TOUGH survey. In A. J. Castro-Tirado, J. Gorosabel, & I. H. Park (Eds.), Gamma-ray Bursts: 5 Years of GRB Afterglows – Progenitors, Environments and Host Galaxies from the Nearby to the Early Universe, (pp. 397-401). Cambridge University Press. EAS Publications Series, Vol.. 61 https://doi.org/10.1051/eas/1361063

Vancouver

Jakobsson P, Hjorth J, Malesani D, Fynbo JPU, Tanvir NR, Milvang-Jensen B et al. The redshift distribution of the TOUGH survey. In Castro-Tirado AJ, Gorosabel J, Park IH, editors, Gamma-ray Bursts: 5 Years of GRB Afterglows – Progenitors, Environments and Host Galaxies from the Nearby to the Early Universe,. Cambridge University Press. 2013. p. 397-401. (EAS Publications Series, Vol. 61). https://doi.org/10.1051/eas/1361063

Author

Jakobsson, P. ; Hjorth, J. ; Malesani, D. ; Fynbo, J. P U ; Tanvir, N. R. ; Milvang-Jensen, B. ; Krühler, T. / The redshift distribution of the TOUGH survey. Gamma-ray Bursts: 5 Years of GRB Afterglows – Progenitors, Environments and Host Galaxies from the Nearby to the Early Universe,. editor / A.J Castro-Tirado ; J. Gorosabel ; I.H. Park. Cambridge University Press, 2013. pp. 397-401 (EAS Publications Series, Vol. 61).

Bibtex

@inbook{87fa533b9e0d4bbbbba9e04dedd62532,
title = "The redshift distribution of the TOUGH survey",
abstract = "We present the redshift results from a Very Large Telescope (VLT) program aimed at optimizing the legacy value of the Swift mission: to characterize a homogeneous, X-ray selected, sample of 69 GRB host galaxies. Fifteen new redshifts have been secured, resulting in a 77{\%} (53/69) redshift completion, making the survey the most comprehensive in terms of redshift completeness of any sample to the full Swift depth, available to date. We present the cumulative redshift distribution and derive a conservative, yet small, associated uncertainty. We constrain the fraction of Swift GRBs at high redshift to a maximum of 14{\%} (5{\%}) for z > 6 (z > 7). The mean redshift of the host sample is assessed to be. Using this more complete sample, we confirm previous findings that the GRB rate at high redshift () appears to be in excess of predictions based on assumptions that it should follow conventional determinations of the star formation history of the universe, combined with an estimate of its likely metallicity dependence. This suggests that either star formation at high redshifts has been significantly underestimated, for example due to a dominant contribution from faint, undetected galaxies, or that GRB production is enhanced in the conditions of early star formation, beyond those usually ascribed to lower metallicity.",
author = "P. Jakobsson and J. Hjorth and D. Malesani and Fynbo, {J. P U} and Tanvir, {N. R.} and B. Milvang-Jensen and T. Kr{\"u}hler",
year = "2013",
month = "11",
day = "11",
doi = "10.1051/eas/1361063",
language = "English",
series = "EAS Publications Series",
publisher = "Cambridge University Press",
pages = "397--401",
editor = "A.J Castro-Tirado and J. Gorosabel and Park, {I.H. }",
booktitle = "Gamma-ray Bursts",
address = "United Kingdom",

}

RIS

TY - CHAP

T1 - The redshift distribution of the TOUGH survey

AU - Jakobsson, P.

AU - Hjorth, J.

AU - Malesani, D.

AU - Fynbo, J. P U

AU - Tanvir, N. R.

AU - Milvang-Jensen, B.

AU - Krühler, T.

PY - 2013/11/11

Y1 - 2013/11/11

N2 - We present the redshift results from a Very Large Telescope (VLT) program aimed at optimizing the legacy value of the Swift mission: to characterize a homogeneous, X-ray selected, sample of 69 GRB host galaxies. Fifteen new redshifts have been secured, resulting in a 77% (53/69) redshift completion, making the survey the most comprehensive in terms of redshift completeness of any sample to the full Swift depth, available to date. We present the cumulative redshift distribution and derive a conservative, yet small, associated uncertainty. We constrain the fraction of Swift GRBs at high redshift to a maximum of 14% (5%) for z > 6 (z > 7). The mean redshift of the host sample is assessed to be. Using this more complete sample, we confirm previous findings that the GRB rate at high redshift () appears to be in excess of predictions based on assumptions that it should follow conventional determinations of the star formation history of the universe, combined with an estimate of its likely metallicity dependence. This suggests that either star formation at high redshifts has been significantly underestimated, for example due to a dominant contribution from faint, undetected galaxies, or that GRB production is enhanced in the conditions of early star formation, beyond those usually ascribed to lower metallicity.

AB - We present the redshift results from a Very Large Telescope (VLT) program aimed at optimizing the legacy value of the Swift mission: to characterize a homogeneous, X-ray selected, sample of 69 GRB host galaxies. Fifteen new redshifts have been secured, resulting in a 77% (53/69) redshift completion, making the survey the most comprehensive in terms of redshift completeness of any sample to the full Swift depth, available to date. We present the cumulative redshift distribution and derive a conservative, yet small, associated uncertainty. We constrain the fraction of Swift GRBs at high redshift to a maximum of 14% (5%) for z > 6 (z > 7). The mean redshift of the host sample is assessed to be. Using this more complete sample, we confirm previous findings that the GRB rate at high redshift () appears to be in excess of predictions based on assumptions that it should follow conventional determinations of the star formation history of the universe, combined with an estimate of its likely metallicity dependence. This suggests that either star formation at high redshifts has been significantly underestimated, for example due to a dominant contribution from faint, undetected galaxies, or that GRB production is enhanced in the conditions of early star formation, beyond those usually ascribed to lower metallicity.

U2 - 10.1051/eas/1361063

DO - 10.1051/eas/1361063

M3 - Book chapter

AN - SCOPUS:84887071068

T3 - EAS Publications Series

SP - 397

EP - 401

BT - Gamma-ray Bursts

A2 - Castro-Tirado, A.J

A2 - Gorosabel, J.

A2 - Park, I.H.

PB - Cambridge University Press

ER -

ID: 122295032