An enigmatic long-lasting γ-ray burst not accompanied by a bright supernova
Gamma-ray bursts (GRBs) are short, intense flashes of soft γ-rays coming from the distant Universe. Long-duration GRBs (those lasting more than ∼2 s) are believed to originate from the deaths of massive stars, mainly on the basis of a handful of solid associations between GRBs and supernovae. GRB 06...
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| Acceso en línea: | http://hdl.handle.net/20.500.12110/paper_00280836_v444_n7122_p1050_Valle |
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todo:paper_00280836_v444_n7122_p1050_Valle2023-10-03T14:38:32Z An enigmatic long-lasting γ-ray burst not accompanied by a bright supernova Valle, M.D. Chincarini, G. Panagia, N. Tagliaferri, G. Malesani, D. Testa, V. Fugazza, D. Campana, S. Covino, S. Mangano, V. Antonelli, L.A. D'Avanzo, P. Hurley, K. Mirabel, I.F. Pellizza, L.J. Piranomonte, S. Stella, L. astrophysics gamma ray radiation optical method article cosmic radiation cosmos gamma radiation light luminance photometry priority journal X ray Gamma-ray bursts (GRBs) are short, intense flashes of soft γ-rays coming from the distant Universe. Long-duration GRBs (those lasting more than ∼2 s) are believed to originate from the deaths of massive stars, mainly on the basis of a handful of solid associations between GRBs and supernovae. GRB 060614, one of the closest GRBs discovered, consisted of a 5-s hard spike followed by softer, brighter emission that lasted for ∼100 s (refs 8, 9). Here we report deep optical observations of GRB 060614 showing no emerging supernova with absolute visual magnitude brighter than MV = -13.7. Any supernova associated with GRB 060614 was therefore at least 100 times fainter, at optical wavelengths, than the other supernovae associated with GRBs. This demonstrates that some long-lasting GRBs can either be associated with a very faint supernova or produced by different phenomena. ©2006 Nature Publishing Group. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00280836_v444_n7122_p1050_Valle |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-134 |
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
astrophysics gamma ray radiation optical method article cosmic radiation cosmos gamma radiation light luminance photometry priority journal X ray |
| spellingShingle |
astrophysics gamma ray radiation optical method article cosmic radiation cosmos gamma radiation light luminance photometry priority journal X ray Valle, M.D. Chincarini, G. Panagia, N. Tagliaferri, G. Malesani, D. Testa, V. Fugazza, D. Campana, S. Covino, S. Mangano, V. Antonelli, L.A. D'Avanzo, P. Hurley, K. Mirabel, I.F. Pellizza, L.J. Piranomonte, S. Stella, L. An enigmatic long-lasting γ-ray burst not accompanied by a bright supernova |
| topic_facet |
astrophysics gamma ray radiation optical method article cosmic radiation cosmos gamma radiation light luminance photometry priority journal X ray |
| description |
Gamma-ray bursts (GRBs) are short, intense flashes of soft γ-rays coming from the distant Universe. Long-duration GRBs (those lasting more than ∼2 s) are believed to originate from the deaths of massive stars, mainly on the basis of a handful of solid associations between GRBs and supernovae. GRB 060614, one of the closest GRBs discovered, consisted of a 5-s hard spike followed by softer, brighter emission that lasted for ∼100 s (refs 8, 9). Here we report deep optical observations of GRB 060614 showing no emerging supernova with absolute visual magnitude brighter than MV = -13.7. Any supernova associated with GRB 060614 was therefore at least 100 times fainter, at optical wavelengths, than the other supernovae associated with GRBs. This demonstrates that some long-lasting GRBs can either be associated with a very faint supernova or produced by different phenomena. ©2006 Nature Publishing Group. |
| format |
JOUR |
| author |
Valle, M.D. Chincarini, G. Panagia, N. Tagliaferri, G. Malesani, D. Testa, V. Fugazza, D. Campana, S. Covino, S. Mangano, V. Antonelli, L.A. D'Avanzo, P. Hurley, K. Mirabel, I.F. Pellizza, L.J. Piranomonte, S. Stella, L. |
| author_facet |
Valle, M.D. Chincarini, G. Panagia, N. Tagliaferri, G. Malesani, D. Testa, V. Fugazza, D. Campana, S. Covino, S. Mangano, V. Antonelli, L.A. D'Avanzo, P. Hurley, K. Mirabel, I.F. Pellizza, L.J. Piranomonte, S. Stella, L. |
| author_sort |
Valle, M.D. |
| title |
An enigmatic long-lasting γ-ray burst not accompanied by a bright supernova |
| title_short |
An enigmatic long-lasting γ-ray burst not accompanied by a bright supernova |
| title_full |
An enigmatic long-lasting γ-ray burst not accompanied by a bright supernova |
| title_fullStr |
An enigmatic long-lasting γ-ray burst not accompanied by a bright supernova |
| title_full_unstemmed |
An enigmatic long-lasting γ-ray burst not accompanied by a bright supernova |
| title_sort |
enigmatic long-lasting γ-ray burst not accompanied by a bright supernova |
| url |
http://hdl.handle.net/20.500.12110/paper_00280836_v444_n7122_p1050_Valle |
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