Dissecting the interstellar medium of a z=6.3 galaxy X-shooter spectroscopy and HST imaging of the afterglow and environment of the Swift GRB 210905A

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985815%3A_____%2F23%3A00574445" target="_blank" >RIV/67985815:_____/23:00574445 - isvavai.cz</a>

Výsledek na webu

<a href="https://hdl.handle.net/11104/0345999" target="_blank" >https://hdl.handle.net/11104/0345999</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1051/0004-6361/202244205" target="_blank" >10.1051/0004-6361/202244205</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Dissecting the interstellar medium of a z=6.3 galaxy X-shooter spectroscopy and HST imaging of the afterglow and environment of the Swift GRB 210905A

Popis výsledku v původním jazyce

We analyze the VLT /X-shooter afterglow spectrum of GRB210905A, triggered by the Neil Gehrels Swift Observatory, and detect neutral hydrogen, low-ionization, high-ionization, and fine-structure absorption lines from a complex system at z = 6.3118, which we associate with the GRB host galaxy. We use them to study the ISM properties of the host system, revealing the metallicity, kinematics, and chemical abundance pattern of its gas along the GRB line of sight. We also detect absorption lines from at least two foreground absorbers at z = 5.7390 and z = 2.8296. This study shows the amazing potential of GRBs to access detailed information on the properties (metal enrichment, gas kinematic, dust content, nucleosynthesis...) of very high-redshift galaxies, independently of the galaxy luminosity. Deep spectroscopic observations with VLT/MUSE and JWST will offer the unique possibility of combining the information presented in this paper with the properties of the ionized gas, with the goal of better understanding how galaxies in the reionization era form and evolve.

Název v anglickém jazyce

Dissecting the interstellar medium of a z=6.3 galaxy X-shooter spectroscopy and HST imaging of the afterglow and environment of the Swift GRB 210905A

Popis výsledku anglicky

We analyze the VLT /X-shooter afterglow spectrum of GRB210905A, triggered by the Neil Gehrels Swift Observatory, and detect neutral hydrogen, low-ionization, high-ionization, and fine-structure absorption lines from a complex system at z = 6.3118, which we associate with the GRB host galaxy. We use them to study the ISM properties of the host system, revealing the metallicity, kinematics, and chemical abundance pattern of its gas along the GRB line of sight. We also detect absorption lines from at least two foreground absorbers at z = 5.7390 and z = 2.8296. This study shows the amazing potential of GRBs to access detailed information on the properties (metal enrichment, gas kinematic, dust content, nucleosynthesis...) of very high-redshift galaxies, independently of the galaxy luminosity. Deep spectroscopic observations with VLT/MUSE and JWST will offer the unique possibility of combining the information presented in this paper with the properties of the ionized gas, with the goal of better understanding how galaxies in the reionization era form and evolve.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10308 - Astronomy (including astrophysics,space science)

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2023

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Astronomy & Astrophysics

ISSN

0004-6361

e-ISSN

1432-0746

Svazek periodika

671

Číslo periodika v rámci svazku

March

Stát vydavatele periodika

FR - Francouzská republika

Počet stran výsledku

21

Strana od-do

A84

Kód UT WoS článku

001001899500011

EID výsledku v databázi Scopus

2-s2.0-85149933007