GRB 130603B: No Compelling Evidence for Neutron Star Merger
The near infrared (NIR) flare/rebrightening in the afterglow of the short hard gamma ray burst (SHB) 130603B measured with the Hubble Space Telescope (HST) and an alleged late-time X-ray excess were interpreted as possible evidence of a neutron star merger origin of SHBs. However, the X-ray afterglo...
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Wiley
2015-01-01
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| Series: | Advances in Astronomy |
| Online Access: | http://dx.doi.org/10.1155/2015/460293 |
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| author | Shlomo Dado Arnon Dar |
| author_facet | Shlomo Dado Arnon Dar |
| author_sort | Shlomo Dado |
| collection | DOAJ |
| description | The near infrared (NIR) flare/rebrightening in the afterglow of the short hard gamma ray burst (SHB) 130603B measured with the Hubble Space Telescope (HST) and an alleged late-time X-ray excess were interpreted as possible evidence of a neutron star merger origin of SHBs. However, the X-ray afterglow that was measured with the Swift XRT and Newton XMM has the canonical behaviour of a synchrotron afterglow produced by a highly relativistic jet. The H-band flux observed with HST 9.41 days after burst is that expected from the measured late-time X-ray afterglow. The late-time flare/rebrightening of the NIR-optical afterglow of SHB 130603B could have been produced also by jet collision with an interstellar density bump. Moreover, SHB plus a kilonova can be produced also by the collapse of a compact star (neutron star, strange star, or quark star) to a more compact object due to cooling, loss of angular momentum, or mass accretion. |
| format | Article |
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| institution | Kabale University |
| issn | 1687-7969 1687-7977 |
| language | English |
| publishDate | 2015-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in Astronomy |
| spelling | doaj-art-a2ac49f840a048c8b9a992acdfc4279d2025-02-03T06:07:59ZengWileyAdvances in Astronomy1687-79691687-79772015-01-01201510.1155/2015/460293460293GRB 130603B: No Compelling Evidence for Neutron Star MergerShlomo Dado0Arnon Dar1Physics Department, Technion, 32000 Haifa, IsraelPhysics Department, Technion, 32000 Haifa, IsraelThe near infrared (NIR) flare/rebrightening in the afterglow of the short hard gamma ray burst (SHB) 130603B measured with the Hubble Space Telescope (HST) and an alleged late-time X-ray excess were interpreted as possible evidence of a neutron star merger origin of SHBs. However, the X-ray afterglow that was measured with the Swift XRT and Newton XMM has the canonical behaviour of a synchrotron afterglow produced by a highly relativistic jet. The H-band flux observed with HST 9.41 days after burst is that expected from the measured late-time X-ray afterglow. The late-time flare/rebrightening of the NIR-optical afterglow of SHB 130603B could have been produced also by jet collision with an interstellar density bump. Moreover, SHB plus a kilonova can be produced also by the collapse of a compact star (neutron star, strange star, or quark star) to a more compact object due to cooling, loss of angular momentum, or mass accretion.http://dx.doi.org/10.1155/2015/460293 |
| spellingShingle | Shlomo Dado Arnon Dar GRB 130603B: No Compelling Evidence for Neutron Star Merger Advances in Astronomy |
| title | GRB 130603B: No Compelling Evidence for Neutron Star Merger |
| title_full | GRB 130603B: No Compelling Evidence for Neutron Star Merger |
| title_fullStr | GRB 130603B: No Compelling Evidence for Neutron Star Merger |
| title_full_unstemmed | GRB 130603B: No Compelling Evidence for Neutron Star Merger |
| title_short | GRB 130603B: No Compelling Evidence for Neutron Star Merger |
| title_sort | grb 130603b no compelling evidence for neutron star merger |
| url | http://dx.doi.org/10.1155/2015/460293 |
| work_keys_str_mv | AT shlomodado grb130603bnocompellingevidenceforneutronstarmerger AT arnondar grb130603bnocompellingevidenceforneutronstarmerger |