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Dust depletion of metals from local to distant galaxies I. Peculiar nucleosynthesis effects and grain growth in the ISM
Indexado
WoS WOS:000862047300010
Scopus SCOPUS_ID:85141010555
DOI 10.1051/0004-6361/202243994
Año 2022
Tipo artículo de investigación

Citas Totales

Autores Afiliación Chile

Instituciones Chile

% Participación
Internacional

Autores
Afiliación Extranjera

Instituciones
Extranjeras


Abstract



Large fractions of metals are missing from the observable gas-phase in the interstellar medium (ISM) because they are incorporated into dust grains. This phenomenon is called dust depletion. It is important to study the depletion of metals into dust grains in the ISM to investigate the origin and evolution of metals and cosmic dust. We characterize the dust depletion of several metals from the Milky Way to distant galaxies. We collected measurements of ISM metal column densities from absorption-line spectroscopy in the literature, and in addition, we determined Ti and Ni column densities from a sample of 70 damped Lyman-alpha absorbers (DLAs) toward quasars that were observed at high spectral resolution with the Very Large Telescope (VLT) Ultraviolet and Visual Echelle Spectrograph (UVES). We used relative ISM abundances to estimate the dust depletion of 18 metals (C, P, O, Cl, Kr, S, Ge, Mg, Si, Cu, Co, Mn, Cr, Ni, Al, Ti, Zn, and Fe) for different environments (the Milky Way, the Magellanic Clouds, and DLAs toward quasars and towards gamma-ray bursts). We observed overall linear relations between the depletion of each metal and the overall strength of the dust depletion, which we traced with the observed [Zn/Fe]. The slope of these dust depletion sequences correlates with the condensation temperature of the various elements, that is, the more refractory elements show steeper depletion sequences. In the neutral ISM of the Magellanic Clouds, small deviations from linearity are observed as an overabundance of the alpha-elements Ti, Mg, S, and an underabundance of Mn, including for metal-rich systems. The Ti, Mg, and Mn deviations completely disappear when we assume that all systems in our sample of OB stars observed toward the Magellanic Clouds have an alpha-element enhancement and Mn underabundance, regardless of their metallicity. This may imply that the Magellanic Clouds have recently been enriched in alpha-elements, potentially through recent bursts of star formation. We also observe an S overabundance in all local galaxies, which is an effect of ionization due to the contribution of their H II regions to the measured S II column densities. The observed strong correlations of the depletion sequences of the metals all the way from low-metallicity quasi-stellar object DLAs to the Milky Way suggest that cosmic dust has a common origin, regardless of the star formation history, which, in contrast, varies significantly between these different galaxies. This supports the importance of grain growth in the ISM as a significant process of dust production.

Revista



Revista ISSN
Astronomy & Astrophysics 0004-6361

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Disciplinas de Investigación



WOS
Astronomy & Astrophysics
Scopus
Sin Disciplinas
SciELO
Sin Disciplinas

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Publicaciones WoS (Ediciones: ISSHP, ISTP, AHCI, SSCI, SCI), Scopus, SciELO Chile.

Colaboración Institucional



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Autores - Afiliación



Ord. Autor Género Institución - País
1 Konstantopoulou, C. Mujer Univ Geneva - Suiza
Faculty of Science - Suiza
2 De Cia, Annalisa Mujer Univ Geneva - Suiza
Faculty of Science - Suiza
3 Krogager, J. K. Hombre Univ Claude Bernard Lyon 1 - Francia
Université Claude Bernard Lyon 1 - Francia
4 Ledoux, Cedric Hombre ESO - Chile
European Southern Observatory Santiago - Chile
European Southern Observ - Chile
5 Noterdaeme, Pasquier - CNRS - Francia
CNRS Centre National de la Recherche Scientifique - Francia
6 Fynbo, J. P. U. Hombre Univ Copenhagen - Dinamarca
Cosm Dawn Ctr DAWN - Dinamarca
Niels Bohr Institutet - Dinamarca
Cosmic Dawn Center - Dinamarca
7 Heintz, K. E. Hombre Univ Copenhagen - Dinamarca
Cosm Dawn Ctr DAWN - Dinamarca
Niels Bohr Institutet - Dinamarca
Cosmic Dawn Center - Dinamarca
8 Watson, Darach - Univ Copenhagen - Dinamarca
Cosm Dawn Ctr DAWN - Dinamarca
9 Andersen, Anja C. Mujer Univ Copenhagen - Dinamarca
Niels Bohr Institutet - Dinamarca
10 Ramburth-Hurt, Tanita - Univ Geneva - Suiza
Faculty of Science - Suiza
11 Jermann, Iris Mujer Univ Geneva - Suiza
Faculty of Science - Suiza

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Financiamiento



Fuente
Swiss National Science Foundation
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
Carlsbergfondet
Carlsberg Foundation Reintegration Fellowship

Muestra la fuente de financiamiento declarada en la publicación.

Agradecimientos



Agradecimiento
We thank the referee Sandra Savaglio for the detailed and constructive report that improved this manuscript. C.K., A.D.C., J.K.K. and T.R.H. acknowledge support by the Swiss National Science Foundation under grant 185692. K.E.H. acknowledges support from the Carlsberg Foundation Reintegration Fellowship Grant CF21-0103. This paper makes use of the Python code VoigtFit available on https://github.com/jkrogager/VoigtFit.This research has made use of NASA's Astrophysics Data System.
We thank the referee Sandra Savaglio for the detailed and constructive report that improved this manuscript. C.K., A.D.C., J.K.K. and T.R.H. acknowledge support by the Swiss National Science Foundation under grant 185692. K.E.H. acknowledges support from the Carlsberg Foundation Reintegration Fellowship Grant CF21-0103. This paper makes use of the Python code VoigtFit available on https://github.com/jkrogager/VoigtFit . This research has made use of NASA's Astrophysics Data System.

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