Simulating the 21 cm forest detectable with LOFAR and SKA in the spectra of high-z GRBs
We investigate the feasibility of detecting 21 cm absorption features in the afterglow spectra of high redshift long Gamma Ray Bursts (GRBs). This is done employing simulations of cosmic reionization, together with estimates of the GRB radio afterglow flux and the instrumental characteristics of the...
| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Article |
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Oxford University Press
2015
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| Online Access: | https://eprints.nottingham.ac.uk/42512/ |
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| author | Ciardi, B. Inoue, S. Abdalla, F.B. Asad, K. Bernardi, G. Bolton, James S. Brentjens, M. de Bruyn, A.G. Chapman, E. Daiboo, S. Fernandez, E.R. Ghosh, A. Graziani, L. Harker, G.J.A. Iliev, I.T. Jelic, V. Jensen, H. Kazemi, S. Koopmans, L.V.E. Martinez, O. Maselli, A. Mellema, G. Offringa, A.R. Pandey, V.N. Schaye, Joop Thomas, R. Vedantham, H. Yatawatta, S. Zaroubi, S. |
| author_facet | Ciardi, B. Inoue, S. Abdalla, F.B. Asad, K. Bernardi, G. Bolton, James S. Brentjens, M. de Bruyn, A.G. Chapman, E. Daiboo, S. Fernandez, E.R. Ghosh, A. Graziani, L. Harker, G.J.A. Iliev, I.T. Jelic, V. Jensen, H. Kazemi, S. Koopmans, L.V.E. Martinez, O. Maselli, A. Mellema, G. Offringa, A.R. Pandey, V.N. Schaye, Joop Thomas, R. Vedantham, H. Yatawatta, S. Zaroubi, S. |
| author_sort | Ciardi, B. |
| building | Nottingham Research Data Repository |
| collection | Online Access |
| description | We investigate the feasibility of detecting 21 cm absorption features in the afterglow spectra of high redshift long Gamma Ray Bursts (GRBs). This is done employing simulations of cosmic reionization, together with estimates of the GRB radio afterglow flux and the instrumental characteristics of the LOw Frequency ARray (LOFAR). We find that absorption features could be marginally (with a S/N larger than a few) detected by LOFAR at z ≳ 7 if the GRB is a highly energetic event originating from Pop III stars, while the detection would be easier if the noise were reduced by one order of magnitude, i.e. similar to what is expected for the first phase of the Square Kilometre Array (SKA1-low). On the other hand, more standard GRBs are too dim to be detected even with ten times the sensitivity of SKA1-low, and only in the most optimistic case can a S/N larger than a few be reached at z ≳ 9. |
| first_indexed | 2025-11-14T19:49:01Z |
| format | Article |
| id | nottingham-42512 |
| institution | University of Nottingham Malaysia Campus |
| institution_category | Local University |
| last_indexed | 2025-11-14T19:49:01Z |
| publishDate | 2015 |
| publisher | Oxford University Press |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | nottingham-425122020-05-04T17:15:13Z https://eprints.nottingham.ac.uk/42512/ Simulating the 21 cm forest detectable with LOFAR and SKA in the spectra of high-z GRBs Ciardi, B. Inoue, S. Abdalla, F.B. Asad, K. Bernardi, G. Bolton, James S. Brentjens, M. de Bruyn, A.G. Chapman, E. Daiboo, S. Fernandez, E.R. Ghosh, A. Graziani, L. Harker, G.J.A. Iliev, I.T. Jelic, V. Jensen, H. Kazemi, S. Koopmans, L.V.E. Martinez, O. Maselli, A. Mellema, G. Offringa, A.R. Pandey, V.N. Schaye, Joop Thomas, R. Vedantham, H. Yatawatta, S. Zaroubi, S. We investigate the feasibility of detecting 21 cm absorption features in the afterglow spectra of high redshift long Gamma Ray Bursts (GRBs). This is done employing simulations of cosmic reionization, together with estimates of the GRB radio afterglow flux and the instrumental characteristics of the LOw Frequency ARray (LOFAR). We find that absorption features could be marginally (with a S/N larger than a few) detected by LOFAR at z ≳ 7 if the GRB is a highly energetic event originating from Pop III stars, while the detection would be easier if the noise were reduced by one order of magnitude, i.e. similar to what is expected for the first phase of the Square Kilometre Array (SKA1-low). On the other hand, more standard GRBs are too dim to be detected even with ten times the sensitivity of SKA1-low, and only in the most optimistic case can a S/N larger than a few be reached at z ≳ 9. Oxford University Press 2015-08-12 Article PeerReviewed Ciardi, B., Inoue, S., Abdalla, F.B., Asad, K., Bernardi, G., Bolton, James S., Brentjens, M., de Bruyn, A.G., Chapman, E., Daiboo, S., Fernandez, E.R., Ghosh, A., Graziani, L., Harker, G.J.A., Iliev, I.T., Jelic, V., Jensen, H., Kazemi, S., Koopmans, L.V.E., Martinez, O., Maselli, A., Mellema, G., Offringa, A.R., Pandey, V.N., Schaye, Joop, Thomas, R., Vedantham, H., Yatawatta, S. and Zaroubi, S. (2015) Simulating the 21 cm forest detectable with LOFAR and SKA in the spectra of high-z GRBs. Monthly Notices of the Royal Astronomical Society, 453 (1). pp. 101-105. ISSN 1365-2966 gamma-ray burst: general dark ages reionization first stars radio lines: general https://academic.oup.com/mnras/article/453/1/101/1750682/Simulating-the-21-cm-forest-detectable-with-LOFAR doi:10.1093/mnras/stv1640 doi:10.1093/mnras/stv1640 |
| spellingShingle | gamma-ray burst: general dark ages reionization first stars radio lines: general Ciardi, B. Inoue, S. Abdalla, F.B. Asad, K. Bernardi, G. Bolton, James S. Brentjens, M. de Bruyn, A.G. Chapman, E. Daiboo, S. Fernandez, E.R. Ghosh, A. Graziani, L. Harker, G.J.A. Iliev, I.T. Jelic, V. Jensen, H. Kazemi, S. Koopmans, L.V.E. Martinez, O. Maselli, A. Mellema, G. Offringa, A.R. Pandey, V.N. Schaye, Joop Thomas, R. Vedantham, H. Yatawatta, S. Zaroubi, S. Simulating the 21 cm forest detectable with LOFAR and SKA in the spectra of high-z GRBs |
| title | Simulating the 21 cm forest detectable with LOFAR and SKA in the spectra of high-z GRBs |
| title_full | Simulating the 21 cm forest detectable with LOFAR and SKA in the spectra of high-z GRBs |
| title_fullStr | Simulating the 21 cm forest detectable with LOFAR and SKA in the spectra of high-z GRBs |
| title_full_unstemmed | Simulating the 21 cm forest detectable with LOFAR and SKA in the spectra of high-z GRBs |
| title_short | Simulating the 21 cm forest detectable with LOFAR and SKA in the spectra of high-z GRBs |
| title_sort | simulating the 21 cm forest detectable with lofar and ska in the spectra of high-z grbs |
| topic | gamma-ray burst: general dark ages reionization first stars radio lines: general |
| url | https://eprints.nottingham.ac.uk/42512/ https://eprints.nottingham.ac.uk/42512/ https://eprints.nottingham.ac.uk/42512/ |