Prompt optical detection of GRB 050401 with ROTSE-IIIa

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dc.authoridRujopakarn, Wiphu/0000-0002-0303-499X
dc.authoridGuver, Tolga/0000-0002-3531-9842
dc.authoridAlatalo, Katherine/0000-0002-4261-2326
dc.authoridHorns, Dieter/0000-0003-1945-0119
dc.authoridAshley, Michael/0000-0003-1412-2028
dc.authoridGogus, Ersin/0000-0002-5274-6790
dc.authoridFlewelling, Heather/0000-0002-1050-4056
dc.contributor.authorRykoff, ES
dc.contributor.authorYost, SA
dc.contributor.authorKrimm, HA
dc.contributor.authorAharonian, F
dc.contributor.authorAkerlof, CW
dc.contributor.authorAlatalo, K
dc.contributor.authorAshley, MCB
dc.date.accessioned2025-01-27T20:27:41Z
dc.date.available2025-01-27T20:27:41Z
dc.date.issued2005
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractThe ROTSE-IIIa telescope at Siding Spring Observatory, Australia, detected prompt optical emission from Swift GRB 050401. We present observations of the early optical afterglow, first detected by the ROTSE-IIIa telescope 33 s after the start of gamma-ray emission, contemporaneous with the brightest peak of this emission. This GRB was neither exceptionally long nor bright. This is the first prompt optical detection of a GRB of typical duration and luminosity. We find that the early afterglow decay does not deviate significantly from the power-law decay observable at later times and is uncorrelated with the prompt gamma-ray emission. We compare this detection with the other two GRBs with prompt observations, GRB 990123 and GRB 041219a. All three bursts exhibit quite different behavior at early times.
dc.identifier.doi10.1086/497370
dc.identifier.endpageL124
dc.identifier.issn0004-637X
dc.identifier.issn1538-4357
dc.identifier.issue2
dc.identifier.scopus2-s2.0-27744505849
dc.identifier.scopusqualityQ1
dc.identifier.startpageL121
dc.identifier.urihttps://doi.org/10.1086/497370
dc.identifier.urihttps://hdl.handle.net/20.500.12428/22752
dc.identifier.volume631
dc.identifier.wosWOS:000232365700006
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherIop Publishing Ltd
dc.relation.ispartofAstrophysical Journal
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WoS_20250125
dc.subjectgamma rays : bursts
dc.titlePrompt optical detection of GRB 050401 with ROTSE-IIIa
dc.typeArticle

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