WFRF:(Nordlander T.)
Sökning: WFRF:(Nordlander T.) > The Gaia-ESO Survey :
LIBRIS Formathandbok (Information om MARC21)
| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 06925naa a2201045 4500 | |
| 001 | oai:DiVA.org:uu-228484 | |
| 003 | SwePub | |
| 008 | 140715s2014 | |||||||||||000 ||eng| | |
| 009 | oai:lup.lub.lu.se:30280c3b-648d-4200-a8d6-f643703e4ed9 | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-2284842 URI |
| 024 | 7 | a https://doi.org/10.1051/0004-6361/2014234562 DOI |
| 024 | 7 | a https://lup.lub.lu.se/record/45521522 URI |
| 040 | a (SwePub)uud (SwePub)lu | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Bergemann, M.4 aut |
| 245 | 1 0 | a The Gaia-ESO Survey :b radial metallicity gradients and age-metallicity relation of stars in the Milky Way disk |
| 264 | c 2014-05-15 | |
| 264 | 1 | b EDP Sciences,c 2014 |
| 338 | a print2 rdacarrier | |
| 520 | a We study the relationship between age, metallicity, and alpha-enhancement of FGK stars in the Galactic disk. The results are based upon the analysis of high-resolution UVES spectra from the Gaia-ESO large stellar survey. We explore the limitations of the observed dataset, i.e. the accuracy of stellar parameters and the selection effects that are caused by the photometric target preselection. We find that the colour and magnitude cuts in the survey suppress old metal-rich stars and young metal-poor stars. This suppression may be as high as 97% in some regions of the age-metallicity relationship. The dataset consists of 144 stars with a wide range of ages from 0.5 Gyr to 13.5 Gyr, Galactocentric distances from 6 kpc to 9.5 kpc, and vertical distances from the plane 0 < vertical bar Z vertical bar < 1.5 kpc. On this basis, we find that i) the observed age-metallicity relation is nearly flat in the range of ages between 0 Gyr and 8 Gyr; ii) at ages older than 9 Gyr, we see a decrease in [Fe/H] and a clear absence of metal-rich stars; this cannot be explained by the survey selection functions; iii) there is a significant scatter of [Fe/H] at any age; and iv) [Mg/Fe] increases with age, but the dispersion of [Mg/Fe] at ages > 9 Gyr is not as small as advocated by some other studies. In agreement with earlier work, we find that radial abundance gradients change as a function of vertical distance from the plane. The [Mg/Fe] gradient steepens and becomes negative. In addition, we show that the inner disk is not only more alpha-rich compared to the outer disk, but also older, as traced independently by the ages and Mg abundances of stars. | |
| 650 | 7 | a NATURVETENSKAPx Fysikx Astronomi, astrofysik och kosmologi0 (SwePub)103052 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Astronomy, Astrophysics and Cosmology0 (SwePub)103052 hsv//eng |
| 653 | a stars: abundances | |
| 653 | a stars: fundamental parameters | |
| 653 | a solar neighborhood | |
| 653 | a Galaxy: disk | |
| 653 | a Galaxy: formation | |
| 653 | a surveys | |
| 653 | a stars: abundances | |
| 653 | a stars: fundamental parameters | |
| 653 | a solar neighborhood | |
| 653 | a Galaxy: disk | |
| 653 | a Galaxy: formation | |
| 653 | a surveys | |
| 700 | 1 | a Ruchti, Gregoryu 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 Science4 aut0 (Swepub:lu)astr-grh |
| 700 | 1 | a Serenelli, A.4 aut |
| 700 | 1 | a Feltzing, Sofiau 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 Science4 aut0 (Swepub:lu)astr-sfe |
| 700 | 1 | a Alves-Brito, A.4 aut |
| 700 | 1 | a Asplund, M.4 aut |
| 700 | 1 | a Bensby, Thomasu 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 Science4 aut0 (Swepub:lu)astr-tbe |
| 700 | 1 | a Gruyters, Pieteru Uppsala universitet,Institutionen för fysik och astronomi4 aut0 (Swepub:uu)petgr245 |
| 700 | 1 | a Heiter, Ulrikeu Uppsala universitet,Observationell astrofysik4 aut0 (Swepub:uu)ulhei450 |
| 700 | 1 | a Hourihane, A.4 aut |
| 700 | 1 | a Korn, Andreasu Uppsala universitet,Teoretisk astrofysik4 aut0 (Swepub:uu)ankor103 |
| 700 | 1 | a Lind, K.4 aut |
| 700 | 1 | a Marino, A.4 aut |
| 700 | 1 | a Jofre, P.4 aut |
| 700 | 1 | a Nordlander, T.u Uppsala universitet,Institutionen för fysik och astronomi4 aut |
| 700 | 1 | a Ryde, Nilsu 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 Science4 aut0 (Swepub:lu)astr-nlr |
| 700 | 1 | a Worley, C. C.4 aut |
| 700 | 1 | a Gilmore, G.4 aut |
| 700 | 1 | a Randich, S.4 aut |
| 700 | 1 | a Ferguson, A. M. N.4 aut |
| 700 | 1 | a Jeffries, R. D.4 aut |
| 700 | 1 | a Micela, G.4 aut |
| 700 | 1 | a Negueruela, I.4 aut |
| 700 | 1 | a Prusti, T.4 aut |
| 700 | 1 | a Rix, H. -W4 aut |
| 700 | 1 | a Vallenari, A.4 aut |
| 700 | 1 | a Alfaro, E. J.4 aut |
| 700 | 1 | a Allende Prieto, C.4 aut |
| 700 | 1 | a Bragaglia, A.4 aut |
| 700 | 1 | a Koposov, S. E.4 aut |
| 700 | 1 | a Lanzafame, A. C.4 aut |
| 700 | 1 | a Pancino, E.4 aut |
| 700 | 1 | a Recio-Blanco, A.4 aut |
| 700 | 1 | a Smiljanic, R.4 aut |
| 700 | 1 | a Walton, N.4 aut |
| 700 | 1 | a Costado, M. T.4 aut |
| 700 | 1 | a Franciosini, E.4 aut |
| 700 | 1 | a Hill, V.4 aut |
| 700 | 1 | a Lardo, C.4 aut |
| 700 | 1 | a de Laverny, P.4 aut |
| 700 | 1 | a Magrini, L.4 aut |
| 700 | 1 | a Maiorca, E.4 aut |
| 700 | 1 | a Masseron, T.4 aut |
| 700 | 1 | a Morbidelli, L.4 aut |
| 700 | 1 | a Sacco, G.4 aut |
| 700 | 1 | a Kordopatis, G.4 aut |
| 700 | 1 | a Tautvaisiene, G.4 aut |
| 710 | 2 | a Astronomi - Genomgår omorganisationb Institutionen för astronomi och teoretisk fysik - Genomgår omorganisation4 org |
| 773 | 0 | t Astronomy and Astrophysicsd : EDP Sciencesg 565, s. A89-q 565<A89-x 0004-6361x 1432-0746 |
| 856 | 4 | u https://www.aanda.org/articles/aa/pdf/2014/05/aa23456-14.pdf |
| 856 | 4 | u http://dx.doi.org/10.1051/0004-6361/201423456y FULLTEXT |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-228484 |
| 856 | 4 8 | u https://doi.org/10.1051/0004-6361/201423456 |
| 856 | 4 8 | u https://lup.lub.lu.se/record/4552152 |
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- Bergemann, M.
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- Nordlander, T.
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- Worley, C. C.
- Gilmore, G.
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- Jeffries, R. D.
- Micela, G.
- Negueruela, I.
- Prusti, T.
- Rix, H. -W
- Vallenari, A.
- Alfaro, E. J.
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- Bragaglia, A.
- Koposov, S. E.
- Lanzafame, A. C.
- Pancino, E.
- Recio-Blanco, A.
- Smiljanic, R.
- Walton, N.
- Costado, M. T.
- Franciosini, E.
- Hill, V.
- Lardo, C.
- de Laverny, P.
- Magrini, L.
- Maiorca, E.
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