Jet Lorentz Factor Constraint for GRB 221009A Based on the Optical Depth of the TeV Photons

The recent detection of teraelectronvolt (TeV) photons from the record-breaking gamma-ray burst GRB 221009A during its prompt phase poses challenges for constraining its Lorentz factor. We reevaluate the constraints on the jet Lorentz factor considering a two-zone model, wherein the TeV photons orig...
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Autor*in:	Duan-Yuan Gao [verfasserIn] Yuan-Chuan Zou [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	Gamma-ray bursts High energy astrophysics Relativistic jets Ultra-high-energy cosmic radiation

Übergeordnetes Werk:	In: The Astrophysical Journal Letters - IOP Publishing, 2022, 956(2023), 2, p L38
Übergeordnetes Werk:	volume:956 ; year:2023 ; number:2, p L38

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3847/2041-8213/acfed1

Katalog-ID:	DOAJ090896513

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520			\|a The recent detection of teraelectronvolt (TeV) photons from the record-breaking gamma-ray burst GRB 221009A during its prompt phase poses challenges for constraining its Lorentz factor. We reevaluate the constraints on the jet Lorentz factor considering a two-zone model, wherein the TeV photons originate from the external shock region while the lower-energy MeV photons come from the internal prompt emission region. By properly accounting for the evolution of the MeV photon spectrum and light curve, we calculate the optical depth for TeV photons and derive a minimum Lorentz factor of about 300. It is consistent with the afterglow modeling for the TeV emission.
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spelling	10.3847/2041-8213/acfed1 doi (DE-627)DOAJ090896513 (DE-599)DOAJ58af7c73370b4abd81b010c38c4edbdb DE-627 ger DE-627 rakwb eng QB460-466 Duan-Yuan Gao verfasserin aut Jet Lorentz Factor Constraint for GRB 221009A Based on the Optical Depth of the TeV Photons 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The recent detection of teraelectronvolt (TeV) photons from the record-breaking gamma-ray burst GRB 221009A during its prompt phase poses challenges for constraining its Lorentz factor. We reevaluate the constraints on the jet Lorentz factor considering a two-zone model, wherein the TeV photons originate from the external shock region while the lower-energy MeV photons come from the internal prompt emission region. By properly accounting for the evolution of the MeV photon spectrum and light curve, we calculate the optical depth for TeV photons and derive a minimum Lorentz factor of about 300. It is consistent with the afterglow modeling for the TeV emission. Gamma-ray bursts High energy astrophysics Relativistic jets Ultra-high-energy cosmic radiation Astrophysics Yuan-Chuan Zou verfasserin aut In The Astrophysical Journal Letters IOP Publishing, 2022 956(2023), 2, p L38 (DE-627)312189028 (DE-600)2006858-X 20418213 nnns volume:956 year:2023 number:2, p L38 https://doi.org/10.3847/2041-8213/acfed1 kostenfrei https://doaj.org/article/58af7c73370b4abd81b010c38c4edbdb kostenfrei https://doi.org/10.3847/2041-8213/acfed1 kostenfrei https://doaj.org/toc/2041-8205 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2014 GBV_ILN_2088 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 956 2023 2, p L38
allfields_unstemmed	10.3847/2041-8213/acfed1 doi (DE-627)DOAJ090896513 (DE-599)DOAJ58af7c73370b4abd81b010c38c4edbdb DE-627 ger DE-627 rakwb eng QB460-466 Duan-Yuan Gao verfasserin aut Jet Lorentz Factor Constraint for GRB 221009A Based on the Optical Depth of the TeV Photons 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The recent detection of teraelectronvolt (TeV) photons from the record-breaking gamma-ray burst GRB 221009A during its prompt phase poses challenges for constraining its Lorentz factor. We reevaluate the constraints on the jet Lorentz factor considering a two-zone model, wherein the TeV photons originate from the external shock region while the lower-energy MeV photons come from the internal prompt emission region. By properly accounting for the evolution of the MeV photon spectrum and light curve, we calculate the optical depth for TeV photons and derive a minimum Lorentz factor of about 300. It is consistent with the afterglow modeling for the TeV emission. Gamma-ray bursts High energy astrophysics Relativistic jets Ultra-high-energy cosmic radiation Astrophysics Yuan-Chuan Zou verfasserin aut In The Astrophysical Journal Letters IOP Publishing, 2022 956(2023), 2, p L38 (DE-627)312189028 (DE-600)2006858-X 20418213 nnns volume:956 year:2023 number:2, p L38 https://doi.org/10.3847/2041-8213/acfed1 kostenfrei https://doaj.org/article/58af7c73370b4abd81b010c38c4edbdb kostenfrei https://doi.org/10.3847/2041-8213/acfed1 kostenfrei https://doaj.org/toc/2041-8205 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2014 GBV_ILN_2088 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 956 2023 2, p L38
allfieldsGer	10.3847/2041-8213/acfed1 doi (DE-627)DOAJ090896513 (DE-599)DOAJ58af7c73370b4abd81b010c38c4edbdb DE-627 ger DE-627 rakwb eng QB460-466 Duan-Yuan Gao verfasserin aut Jet Lorentz Factor Constraint for GRB 221009A Based on the Optical Depth of the TeV Photons 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The recent detection of teraelectronvolt (TeV) photons from the record-breaking gamma-ray burst GRB 221009A during its prompt phase poses challenges for constraining its Lorentz factor. We reevaluate the constraints on the jet Lorentz factor considering a two-zone model, wherein the TeV photons originate from the external shock region while the lower-energy MeV photons come from the internal prompt emission region. By properly accounting for the evolution of the MeV photon spectrum and light curve, we calculate the optical depth for TeV photons and derive a minimum Lorentz factor of about 300. It is consistent with the afterglow modeling for the TeV emission. Gamma-ray bursts High energy astrophysics Relativistic jets Ultra-high-energy cosmic radiation Astrophysics Yuan-Chuan Zou verfasserin aut In The Astrophysical Journal Letters IOP Publishing, 2022 956(2023), 2, p L38 (DE-627)312189028 (DE-600)2006858-X 20418213 nnns volume:956 year:2023 number:2, p L38 https://doi.org/10.3847/2041-8213/acfed1 kostenfrei https://doaj.org/article/58af7c73370b4abd81b010c38c4edbdb kostenfrei https://doi.org/10.3847/2041-8213/acfed1 kostenfrei https://doaj.org/toc/2041-8205 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2014 GBV_ILN_2088 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 956 2023 2, p L38
allfieldsSound	10.3847/2041-8213/acfed1 doi (DE-627)DOAJ090896513 (DE-599)DOAJ58af7c73370b4abd81b010c38c4edbdb DE-627 ger DE-627 rakwb eng QB460-466 Duan-Yuan Gao verfasserin aut Jet Lorentz Factor Constraint for GRB 221009A Based on the Optical Depth of the TeV Photons 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The recent detection of teraelectronvolt (TeV) photons from the record-breaking gamma-ray burst GRB 221009A during its prompt phase poses challenges for constraining its Lorentz factor. We reevaluate the constraints on the jet Lorentz factor considering a two-zone model, wherein the TeV photons originate from the external shock region while the lower-energy MeV photons come from the internal prompt emission region. By properly accounting for the evolution of the MeV photon spectrum and light curve, we calculate the optical depth for TeV photons and derive a minimum Lorentz factor of about 300. It is consistent with the afterglow modeling for the TeV emission. Gamma-ray bursts High energy astrophysics Relativistic jets Ultra-high-energy cosmic radiation Astrophysics Yuan-Chuan Zou verfasserin aut In The Astrophysical Journal Letters IOP Publishing, 2022 956(2023), 2, p L38 (DE-627)312189028 (DE-600)2006858-X 20418213 nnns volume:956 year:2023 number:2, p L38 https://doi.org/10.3847/2041-8213/acfed1 kostenfrei https://doaj.org/article/58af7c73370b4abd81b010c38c4edbdb kostenfrei https://doi.org/10.3847/2041-8213/acfed1 kostenfrei https://doaj.org/toc/2041-8205 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2014 GBV_ILN_2088 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 956 2023 2, p L38
language	English
source	In The Astrophysical Journal Letters 956(2023), 2, p L38 volume:956 year:2023 number:2, p L38
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topic_facet	Gamma-ray bursts High energy astrophysics Relativistic jets Ultra-high-energy cosmic radiation Astrophysics
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authorswithroles_txt_mv	Duan-Yuan Gao @@aut@@ Yuan-Chuan Zou @@aut@@
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callnumber-first	Q - Science
author	Duan-Yuan Gao
spellingShingle	Duan-Yuan Gao misc QB460-466 misc Gamma-ray bursts misc High energy astrophysics misc Relativistic jets misc Ultra-high-energy cosmic radiation misc Astrophysics Jet Lorentz Factor Constraint for GRB 221009A Based on the Optical Depth of the TeV Photons
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topic_title	QB460-466 Jet Lorentz Factor Constraint for GRB 221009A Based on the Optical Depth of the TeV Photons Gamma-ray bursts High energy astrophysics Relativistic jets Ultra-high-energy cosmic radiation
topic	misc QB460-466 misc Gamma-ray bursts misc High energy astrophysics misc Relativistic jets misc Ultra-high-energy cosmic radiation misc Astrophysics
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title	Jet Lorentz Factor Constraint for GRB 221009A Based on the Optical Depth of the TeV Photons
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title_full	Jet Lorentz Factor Constraint for GRB 221009A Based on the Optical Depth of the TeV Photons
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title_sort	jet lorentz factor constraint for grb 221009a based on the optical depth of the tev photons
callnumber	QB460-466
title_auth	Jet Lorentz Factor Constraint for GRB 221009A Based on the Optical Depth of the TeV Photons
abstract	The recent detection of teraelectronvolt (TeV) photons from the record-breaking gamma-ray burst GRB 221009A during its prompt phase poses challenges for constraining its Lorentz factor. We reevaluate the constraints on the jet Lorentz factor considering a two-zone model, wherein the TeV photons originate from the external shock region while the lower-energy MeV photons come from the internal prompt emission region. By properly accounting for the evolution of the MeV photon spectrum and light curve, we calculate the optical depth for TeV photons and derive a minimum Lorentz factor of about 300. It is consistent with the afterglow modeling for the TeV emission.
abstractGer	The recent detection of teraelectronvolt (TeV) photons from the record-breaking gamma-ray burst GRB 221009A during its prompt phase poses challenges for constraining its Lorentz factor. We reevaluate the constraints on the jet Lorentz factor considering a two-zone model, wherein the TeV photons originate from the external shock region while the lower-energy MeV photons come from the internal prompt emission region. By properly accounting for the evolution of the MeV photon spectrum and light curve, we calculate the optical depth for TeV photons and derive a minimum Lorentz factor of about 300. It is consistent with the afterglow modeling for the TeV emission.
abstract_unstemmed	The recent detection of teraelectronvolt (TeV) photons from the record-breaking gamma-ray burst GRB 221009A during its prompt phase poses challenges for constraining its Lorentz factor. We reevaluate the constraints on the jet Lorentz factor considering a two-zone model, wherein the TeV photons originate from the external shock region while the lower-energy MeV photons come from the internal prompt emission region. By properly accounting for the evolution of the MeV photon spectrum and light curve, we calculate the optical depth for TeV photons and derive a minimum Lorentz factor of about 300. It is consistent with the afterglow modeling for the TeV emission.
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title_short	Jet Lorentz Factor Constraint for GRB 221009A Based on the Optical Depth of the TeV Photons
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