The cosmic gamma-ray bursts and their host galaxies in a cosmological context

S. G. Djorgovski, S. R. Kulkarni, D. A. Frail, F. A. Harrison, J. S. Bloom, E. Berger, P. A. Price, D. Fox, A. M. Soderberg, T. J. Galama, D. E. Reichart, R. Sari, S. Yost, A. A. Mahabal, S. M. Castro, R. Goodrich, F. Chaffee

Research output: Contribution to journalConference article

1 Citation (Scopus)

Abstract

Studies of the cosmic gamma-ray bursts (GRBs) and their host galaxies are now starting to provide interesting or even unique new insights in observational cosmology. Observed GRB host galaxies have a median magnitude R ∼ 25 mag, and show a range of luminosities, morphologies, and star formation rates, with a median redshift z ∼ 1.0. They represent a new way of identifying a population of star-forming galaxies at cosmological redshifts, which is mostly independent of the traditional selection methods. They seem to be broadly similar to the normal field galaxy populations at comparable redshifts and magnitudes, and indicate at most a mild luminosity evolution over the redshift range they probe. Studies of GRB optical afterglows seen in absorption provide a powerful new probe of the ISM in dense, central regions of their host galaxies, which is complementary to the traditional studies using QSO absorption line systems. Some GRB hosts are heavily obscured, and provide a new way to select a population of cosmological sub-mm sources. A census of detected optical tranistents may provide an important new way to constrain the total obscured fraction of star formation over the history of the universe. Finally, detection of GRB afterglows at high redshifts (z > 6) may provide a unique way to probe the primordial star formation, massive IMF, early IGM, and chemical enrichment at the end of the cosmic reionization era.

Original languageEnglish (US)
Pages (from-to)238-247
Number of pages10
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume4834
DOIs
StatePublished - Dec 1 2002
EventDiscoveries and Research Prospects from 6- to 10- Meter-Class telescopes II - Waikoloa, HI, United States
Duration: Aug 22 2002Aug 23 2002

Fingerprint

Gamma-ray Bursts
Galaxies
Cosmic Rays
gamma ray bursts
Gamma rays
Stars
galaxies
Star
Probe
afterglows
star formation
probes
Luminance
Absorption
luminosity
Cosmology
Population III stars
census
Census
star formation rate

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

Djorgovski, S. G., Kulkarni, S. R., Frail, D. A., Harrison, F. A., Bloom, J. S., Berger, E., ... Chaffee, F. (2002). The cosmic gamma-ray bursts and their host galaxies in a cosmological context. Proceedings of SPIE - The International Society for Optical Engineering, 4834, 238-247. https://doi.org/10.1117/12.457700
Djorgovski, S. G. ; Kulkarni, S. R. ; Frail, D. A. ; Harrison, F. A. ; Bloom, J. S. ; Berger, E. ; Price, P. A. ; Fox, D. ; Soderberg, A. M. ; Galama, T. J. ; Reichart, D. E. ; Sari, R. ; Yost, S. ; Mahabal, A. A. ; Castro, S. M. ; Goodrich, R. ; Chaffee, F. / The cosmic gamma-ray bursts and their host galaxies in a cosmological context. In: Proceedings of SPIE - The International Society for Optical Engineering. 2002 ; Vol. 4834. pp. 238-247.
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Djorgovski, SG, Kulkarni, SR, Frail, DA, Harrison, FA, Bloom, JS, Berger, E, Price, PA, Fox, D, Soderberg, AM, Galama, TJ, Reichart, DE, Sari, R, Yost, S, Mahabal, AA, Castro, SM, Goodrich, R & Chaffee, F 2002, 'The cosmic gamma-ray bursts and their host galaxies in a cosmological context', Proceedings of SPIE - The International Society for Optical Engineering, vol. 4834, pp. 238-247. https://doi.org/10.1117/12.457700

The cosmic gamma-ray bursts and their host galaxies in a cosmological context. / Djorgovski, S. G.; Kulkarni, S. R.; Frail, D. A.; Harrison, F. A.; Bloom, J. S.; Berger, E.; Price, P. A.; Fox, D.; Soderberg, A. M.; Galama, T. J.; Reichart, D. E.; Sari, R.; Yost, S.; Mahabal, A. A.; Castro, S. M.; Goodrich, R.; Chaffee, F.

In: Proceedings of SPIE - The International Society for Optical Engineering, Vol. 4834, 01.12.2002, p. 238-247.

Research output: Contribution to journalConference article

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T1 - The cosmic gamma-ray bursts and their host galaxies in a cosmological context

AU - Djorgovski, S. G.

AU - Kulkarni, S. R.

AU - Frail, D. A.

AU - Harrison, F. A.

AU - Bloom, J. S.

AU - Berger, E.

AU - Price, P. A.

AU - Fox, D.

AU - Soderberg, A. M.

AU - Galama, T. J.

AU - Reichart, D. E.

AU - Sari, R.

AU - Yost, S.

AU - Mahabal, A. A.

AU - Castro, S. M.

AU - Goodrich, R.

AU - Chaffee, F.

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N2 - Studies of the cosmic gamma-ray bursts (GRBs) and their host galaxies are now starting to provide interesting or even unique new insights in observational cosmology. Observed GRB host galaxies have a median magnitude R ∼ 25 mag, and show a range of luminosities, morphologies, and star formation rates, with a median redshift z ∼ 1.0. They represent a new way of identifying a population of star-forming galaxies at cosmological redshifts, which is mostly independent of the traditional selection methods. They seem to be broadly similar to the normal field galaxy populations at comparable redshifts and magnitudes, and indicate at most a mild luminosity evolution over the redshift range they probe. Studies of GRB optical afterglows seen in absorption provide a powerful new probe of the ISM in dense, central regions of their host galaxies, which is complementary to the traditional studies using QSO absorption line systems. Some GRB hosts are heavily obscured, and provide a new way to select a population of cosmological sub-mm sources. A census of detected optical tranistents may provide an important new way to constrain the total obscured fraction of star formation over the history of the universe. Finally, detection of GRB afterglows at high redshifts (z > 6) may provide a unique way to probe the primordial star formation, massive IMF, early IGM, and chemical enrichment at the end of the cosmic reionization era.

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