X-shooter and ALMA spectroscopy of GRB 161023A A study of metals and molecules in the line of sight towards a luminous GRB
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985815%3A_____%2F18%3A00540206" target="_blank" >RIV/67985815:_____/18:00540206 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1051/0004-6361/201833094" target="_blank" >https://doi.org/10.1051/0004-6361/201833094</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1051/0004-6361/201833094" target="_blank" >10.1051/0004-6361/201833094</a>
Alternative languages
Result language
angličtina
Original language name
X-shooter and ALMA spectroscopy of GRB 161023A A study of metals and molecules in the line of sight towards a luminous GRB
Original language description
We aim to use the afterglow of GRB 161023A at a redshift z = 2.710 as a background source to study the environment of the explosion and the intervening systems along its line of sight. We infer a host-galaxy metallicity of [Zn/H] = -1.11 +/- 0.07, which, corrected for dust depletion, results in [X/H] = -0.94 +/- 0.08. We do not detect molecular features in the ALMA data, but we derive limits on the molecular content of log(N-CO/cm(-2)) < 15.7 and log(NHCO+/cm(-2)) < 13.2, which are consistent with those that we obtain from the optical spectra, log(N-H2/cm(-2)) < 15.2 and log(N-CO/cm(-2)) < 14.5. Within the host galaxy, we detect three velocity systems through UV, optical and NIR absorption spectroscopy, all with levels that were excited by the GRB afterglow. We determine the distance from these systems to the GRB to be in the range between 0.7 and 1.0 kpc. The sight line to GRB 161023A shows nine independent intervening systems, most of them with multiple components.n
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10308 - Astronomy (including astrophysics,space science)
Result continuities
Project
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Continuities
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Others
Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Astronomy & Astrophysics
ISSN
1432-0746
e-ISSN
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Volume of the periodical
620
Issue of the periodical within the volume
October
Country of publishing house
FR - FRANCE
Number of pages
23
Pages from-to
A119
UT code for WoS article
000452484100001
EID of the result in the Scopus database
2-s2.0-85058503575