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The Gaia-ESO Survey :
The Gaia-ESO Survey : Carbon Abundance in the Galactic Thin and Thick Disks
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- Franchini, Mariagrazia (författare)
- INAF Osservatorio Astron Trieste, Via GB Tiepolo 11, I-34143 Trieste, Italy,INAF Astronomical Observatory of Trieste
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- Morossi, Carlo (författare)
- INAF Osservatorio Astron Trieste, Via GB Tiepolo 11, I-34143 Trieste, Italy,INAF Astronomical Observatory of Trieste
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- Di Marcantonio, Paolo (författare)
- INAF Osservatorio Astron Trieste, Via GB Tiepolo 11, I-34143 Trieste, Italy,INAF Astronomical Observatory of Trieste
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- Chavez, Miguel (författare)
- Inst Nacl Astrofis Opt & Electr, Luis Enrique Erro 1, Puebla 72840, Mexico,National Institute Of Astrophysics, Optics And Electronics (INAOE)
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- Adibekyan, Vardan Zh (författare)
- Univ Porto, Ctr Astrofis, Rua Estrelas, P-4150762 Porto, Portugal,University of Porto
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- Bayo, Amelia (författare)
- Univ Valparaiso, Inst Fis & Astron, Avda Gran Bretana 1111, Valparaiso, Chile;Univ Valparaiso, NPF, Nucleo Milenio Formac Planetaria, Valparaiso, Chile,University of Valparaíso
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- Bensby, Thomas (författare)
- Lund University,Lunds universitet,Astronomi - Genomgår omorganisation,Institutionen för astronomi och teoretisk fysik - Genomgår omorganisation,Naturvetenskapliga fakulteten,Lund Observatory - Undergoing reorganization,Department of Astronomy and Theoretical Physics - Undergoing reorganization,Faculty of Science
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- Bragaglia, Angela (författare)
- INAF Osservatorio Astrofis & Sci Spazio Bologna, Via Gobetti 93-3, I-40129 Bologna, Italy,INAF Istituto di Astrofisica Spaziale e Fisica Cosmica, Bologna
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- Calura, Francesco (författare)
- INAF Osservatorio Astrofis & Sci Spazio Bologna, Via Gobetti 93-3, I-40129 Bologna, Italy,INAF Istituto di Astrofisica Spaziale e Fisica Cosmica, Bologna
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- Duffau, Sonia (författare)
- Univ Andres Bello, Dept Ciencias, Fernandez Concha 700, Las Condes Santiago, Chile,Andrés Bello National University
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- Gonneau, Anais (författare)
- Univ Cambridge, Inst Astron, Madingley Rd, Cambridge CB3 0HA, England,University of Cambridge
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- Heiter, Ulrike (författare)
- Uppsala University,Uppsala universitet,Observationell astrofysik
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- Kordopatis, Georges (författare)
- Univ Cote dAzur, Observ Cote dAzur, Lab Lagrange, CNRS UMR 7293, CS 34229, F-06304 Nice 04, France,University of Côte d'Azur
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- Romano, Donatella (författare)
- INAF Osservatorio Astrofis & Sci Spazio Bologna, Via Gobetti 93-3, I-40129 Bologna, Italy,INAF Istituto di Astrofisica Spaziale e Fisica Cosmica, Bologna
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- Sbordone, Luca (författare)
- European Southern Observ, Alonso de Cordova 3107, Vitacura, Santiago De Chi, Chile,European Southern Observatory Santiago
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- Smiljanic, Rodolfo (författare)
- Polish Acad Sci, Nicolaus Copernicus Astron Ctr, Ul Bartycka 18, PL-00716 Warsaw, Poland,Nicolaus Copernicus Astronomical Center of the Polish Academy of Sciences
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- Tautvaisiene, Grazina (författare)
- Vilnius Univ, Inst Theoret Phys & Astron, Sauletekio Av 3, LT-10258 Vilnius, Lithuania,Vilnius University
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- Van der Swaelmen, Mathieu (författare)
- INAF Osservatorio Astrofis Arcetri, Largo E Fermi 5, I-50125 Florence, Italy,INAF - Osservatorio Astrofisico di Arcetri
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- Mena, Elisa Delgado (författare)
- Univ Porto, Ctr Astrofis, Rua Estrelas, P-4150762 Porto, Portugal,University of Porto
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- Gilmore, Gerry (författare)
- Univ Cambridge, Inst Astron, Madingley Rd, Cambridge CB3 0HA, England,University of Cambridge
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- Randich, Sofia (författare)
- INAF Osservatorio Astrofis Arcetri, Largo E Fermi 5, I-50125 Florence, Italy,INAF - Osservatorio Astrofisico di Arcetri
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- Carraro, Giovanni (författare)
- Univ Padua, Dipartimento Fis & Astron, Vicolo Osservatorio 3, I-35122 Padua, Italy,University of Padova
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- Hourihane, Anna (författare)
- Univ Cambridge, Inst Astron, Madingley Rd, Cambridge CB3 0HA, England,University of Cambridge
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- Magrini, Laura (författare)
- INAF Osservatorio Astrofis Arcetri, Largo E Fermi 5, I-50125 Florence, Italy,INAF - Osservatorio Astrofisico di Arcetri
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- Morbidelli, Lorenzo (författare)
- INAF Osservatorio Astrofis Arcetri, Largo E Fermi 5, I-50125 Florence, Italy,INAF - Osservatorio Astrofisico di Arcetri
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- Sousa, Sergio (författare)
- Univ Porto, Inst Astrofis & Ciencias Espaco, CAUP, Rua Estrelas, P-4150762 Porto, Portugal,University of Porto
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- Worley, C. Clare (författare)
- Univ Cambridge, Inst Astron, Madingley Rd, Cambridge CB3 0HA, England,University of Cambridge
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(creator_code:org_t)
- 2020-01-08
- 2020
- Engelska.
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Ingår i: Astrophysical Journal. - : IOP PUBLISHING LTD. - 0004-637X .- 1538-4357. ; 888:2
- Relaterad länk:
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https://www.reposito...
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http://dx.doi.org/10...
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https://urn.kb.se/re...
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https://doi.org/10.3...
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https://lup.lub.lu.s...
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Abstract
Ämnesord
Stäng
- This paper focuses on carbon, which is one of the most abundant elements in the universe and is of high importance in the field of nucleosynthesis and galactic and stellar evolution. The origin of carbon and the relative importance of massive and low- to intermediate-mass stars in producing it is still a matter of debate. We aim at better understanding the origin of carbon by studying the trends of [C/H], [C/Fe], and [C/Mg] versus [Fe/H] and [Mg/H] for 2133 FGK dwarf stars from the fifth Gaia-ESO Survey internal data release (GES iDR5). The availability of accurate parallaxes and proper motions from Gaia DR2 and radial velocities from GES iDR5 allows us to compute Galactic velocities, orbits, absolute magnitudes, and, for 1751 stars, Bayesian-derived ages. Three different selection methodologies have been adopted to discriminate between thin- and thick-disk stars. In all the cases, the two stellar groups show different [C/H], [C/Fe], and [C/Mg] and span different age intervals, with the thick-disk stars being, on average, older than the thin-disk ones. The behaviors of [C/H], [C/Fe], and [C/Mg] versus [Fe/H], [Mg/H], and age all suggest that C is primarily produced in massive stars. The increase of [C/Mg] for young thin-disk stars indicates a contribution from low-mass stars or the increased C production from massive stars at high metallicities due to the enhanced mass loss. The analysis of the orbital parameters R-med and supports an "inside-out" and "upside-down" formation scenario for the disks of the Milky Way.
Ämnesord
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
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Franchini, Maria ...
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Morossi, Carlo
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Di Marcantonio, ...
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Chavez, Miguel
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Adibekyan, Varda ...
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Bayo, Amelia
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visa fler...
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Bensby, Thomas
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Bragaglia, Angel ...
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Calura, Francesc ...
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Duffau, Sonia
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Gonneau, Anais
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Heiter, Ulrike
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Kordopatis, Geor ...
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Romano, Donatell ...
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Sbordone, Luca
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Smiljanic, Rodol ...
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Tautvaisiene, Gr ...
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Van der Swaelmen ...
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Mena, Elisa Delg ...
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Gilmore, Gerry
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Randich, Sofia
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Carraro, Giovann ...
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Hourihane, Anna
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Magrini, Laura
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Morbidelli, Lore ...
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Sousa, Sergio
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Worley, C. Clare
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