WFRF:(Prada Moroni P. G.)
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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 12036naa a2201213 4500 | |
| 001 | oai:DiVA.org:uu-394198 | |
| 003 | SwePub | |
| 008 | 191008s2019 | |||||||||||000 ||eng| | |
| 009 | oai:lup.lub.lu.se:d47639e4-8230-4441-936c-e271de461bfc | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-3941982 URI |
| 024 | 7 | a https://doi.org/10.1051/0004-6361/2019352822 DOI |
| 024 | 7 | a https://lup.lub.lu.se/record/d47639e4-8230-4441-936c-e271de461bfc2 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 Casali, G.u Univ Firenze, Dipartimento Fis & Astron, Via G Sansone 1, I-50019 Florence, Italy;INAF Osservatorio Astrofis Arcetri, Largo E Fermi 5, I-50125 Florence, Italy,University of Florence,INAF - Osservatorio Astrofisico di Arcetri4 aut |
| 245 | 1 0 | a The Gaia-ESO survey :b Calibrating a relationship between age and the [C/N] abundance ratio with open clusters |
| 264 | c 2019-09-05 | |
| 264 | 1 | b EDP SCIENCES S A,c 2019 |
| 338 | a print2 rdacarrier | |
| 520 | a Context: In the era of large high-resolution spectroscopic surveys such as Gaia-ESO and APOGEE, high-quality spectra can contribute to our understanding of the Galactic chemical evolution by providing abundances of elements that belong to the different nucleosynthesis channels, and also by providing constraints to one of the most elusive astrophysical quantities: stellar age.Aims: Some abundance ratios, such as [C/N], have been proven to be excellent indicators of stellar ages. We aim at providing an empirical relationship between stellar ages and [C/N] using open star clusters, observed by the Gaia-ESO and APOGEE surveys, as calibrators.Methods: We used stellar parameters and abundances from the Gaia-ESO Survey and APOGEE Survey of the Galactic field and open cluster stars. Ages of star clusters were retrieved from the literature sources and validated using a common set of isochrones. We used the same isochrones to determine for each age and metallicity the surface gravity at which the first dredge-up and red giant branch bump occur. We studied the effect of extra-mixing processes in our sample of giant stars, and we derived the mean [C/N] in evolved stars, including only stars without evidence of extra mixing. By combining the Gaia-ESO and APOGEE samples of open clusters, we derived a linear relationship between [C/N] and (logarithmic) cluster ages.Results: We apply our relationship to selected giant field stars in the Gaia-ESO and APOGEE surveys. We find an age separation between thin-and thick-disc stars and age trends within their populations, with an increasing age towards lower metallicity populations.Conclusions: With this empirical relationship, we are able to provide an age estimate for giant stars in which C and N abundances are measured. For giant stars, the isochrone fitting method is indeed less sensitive than for dwarf stars at the turn-off. Our method can therefore be considered as an additional tool to give an independent estimate of the age of giant stars. The uncertainties in their ages is similar to those obtained using isochrone fitting for dwarf 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 Galaxy: abundances | |
| 653 | a open clusters and associations: general | |
| 653 | a Galaxy: disk | |
| 653 | a Galaxy: abundances | |
| 653 | a Galaxy: disk | |
| 653 | a Open clusters and associations: general | |
| 653 | a Astrophysics | |
| 653 | a Chemical elements | |
| 653 | a Galaxies | |
| 653 | a Mixing | |
| 653 | a Surveys | |
| 653 | a Empirical relationships | |
| 653 | a Galactic chemical evolutions | |
| 653 | a Galaxy: disks | |
| 653 | a Linear relationships | |
| 653 | a Red giant branches | |
| 653 | a Spectroscopic surveys | |
| 653 | a Giant stars | |
| 700 | 1 | a Magrini, L.u INAF Osservatorio Astrofis Arcetri, Largo E Fermi 5, I-50125 Florence, Italy4 aut |
| 700 | 1 | a Tognelli, E.u INFN, Sez Pisa, Largo Bruno Pontecorvo 3, I-56127 Pisa, Italy;Univ Pisa, Dipartimento Fis, Largo Bruno Pontecorvo 3, I-56127 Pisa, Italy4 aut |
| 700 | 1 | a Jackson, R.u Keele Univ, Astrophys Grp, Keele ST5 5BG, Staffs, England4 aut |
| 700 | 1 | a Jeffries, R. D.u Keele Univ, Astrophys Grp, Keele ST5 5BG, Staffs, England4 aut |
| 700 | 1 | a Lagarde, N.u Univ Bourgogne Franche Comte, Inst UTINAM, CNRS,Observ Besancon, UMR6213,OSU THETA Franche Comte Bourgogne, BP 1615, F-25010 Besancon, France4 aut |
| 700 | 1 | a Tautvaisiene, G.u Vilnius Univ, Inst Theoret Phys & Astron, Sauletekio Ave 3, LT-10257 Vilnius, Lithuania4 aut |
| 700 | 1 | a Masseron, T.u Inst Astrofis Canarias, Tenerife 38205, Spain;Univ La Laguna, Dept Astrofis, E-38206 Tenerife, Spain4 aut |
| 700 | 1 | a Degl'Innocenti, S.u INFN, Sez Pisa, Largo Bruno Pontecorvo 3, I-56127 Pisa, Italy;Univ Pisa, Dipartimento Fis, Largo Bruno Pontecorvo 3, I-56127 Pisa, Italy4 aut |
| 700 | 1 | a Moroni, P. G. Pradau INFN, Sez Pisa, Largo Bruno Pontecorvo 3, I-56127 Pisa, Italy;Univ Pisa, Dipartimento Fis, Largo Bruno Pontecorvo 3, I-56127 Pisa, Italy4 aut |
| 700 | 1 | a Kordopatis, G.u Univ Cote Azur, Observ Cote Azur, CNRS, Lab Lagrange, Nice, France4 aut |
| 700 | 1 | a Pancino, E.u INAF Osservatorio Astrofis Arcetri, Largo E Fermi 5, I-50125 Florence, Italy;Agenzia Spaziale Italiana, Space Sci Data Ctr, Via Politecn Snc, I-00133 Rome, Italy4 aut |
| 700 | 1 | a Randich, S.u INAF Osservatorio Astrofis Arcetri, Largo E Fermi 5, I-50125 Florence, Italy4 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 Sahlholdt, Christianu 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)ch7073sa |
| 700 | 1 | a Spina, L.u Monash Univ, Sch Phys & Astron, Monash Ctr Astrophys, Clayton, Vic 3800, Australia4 aut |
| 700 | 1 | a Friel, E.u Indiana Univ, Dept Astron, Bloomington, IN 47405 USA4 aut |
| 700 | 1 | a Roccatagliata, V.u INAF Osservatorio Astrofis Arcetri, Largo E Fermi 5, I-50125 Florence, Italy;Univ Pisa, Dipartimento Fis, Largo Bruno Pontecorvo 3, I-56127 Pisa, Italy4 aut |
| 700 | 1 | a Sanna, N.u INAF Osservatorio Astrofis Arcetri, Largo E Fermi 5, I-50125 Florence, Italy4 aut |
| 700 | 1 | a Bragaglia, A.u INAF Osservatorio Astron Bologna, Via Gobetti 93-3, I-40129 Bologna, Italy4 aut |
| 700 | 1 | a Drazdauskas, A.u Vilnius Univ, Inst Theoret Phys & Astron, Sauletekio Ave 3, LT-10257 Vilnius, Lithuania4 aut |
| 700 | 1 | a Mikolaitis, S.u Vilnius Univ, Inst Theoret Phys & Astron, Sauletekio Ave 3, LT-10257 Vilnius, Lithuania4 aut |
| 700 | 1 | a Minkeviciute, R.u Vilnius Univ, Inst Theoret Phys & Astron, Sauletekio Ave 3, LT-10257 Vilnius, Lithuania4 aut |
| 700 | 1 | a Stonkute, E.u Vilnius Univ, Inst Theoret Phys & Astron, Sauletekio Ave 3, LT-10257 Vilnius, Lithuania4 aut |
| 700 | 1 | a Chorniy, Y.u Vilnius Univ, Inst Theoret Phys & Astron, Sauletekio Ave 3, LT-10257 Vilnius, Lithuania4 aut |
| 700 | 1 | a Bagdonas, V.u Vilnius Univ, Inst Theoret Phys & Astron, Sauletekio Ave 3, LT-10257 Vilnius, Lithuania4 aut |
| 700 | 1 | a Jimenez-Esteban, F.u CSIC, INTA, Dept Astrofis, ESAC Campus,Camino Bajo Castillo S-N, Madrid, Spain4 aut |
| 700 | 1 | a Martell, S.u Univ New South Wales, Sch Phys, Sydney, NSW 2052, Australia;Ctr Excellence Astrophys Three Dimens ASTRO 3D, Brisbane, Qld, Australia4 aut |
| 700 | 1 | a Van der Swaelmen, M.u INAF Osservatorio Astrofis Arcetri, Largo E Fermi 5, I-50125 Florence, Italy4 aut |
| 700 | 1 | a Gilmore, G.u Univ Cambridge, Inst Astron, Madingley Rd, Cambridge CB3 0HA, England4 aut |
| 700 | 1 | a Vallenari, A.u INAF Osservatorio Astron Padova, Vicolo Osservatorio 5, I-35122 Padua, Italy4 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 Koposov, S. E.u Carnegie Mellon Univ, McWilliams Ctr Cosmol, Dept Phys, 5000 Forbes Ave, Pittsburgh, PA 15213 USA4 aut |
| 700 | 1 | a Korn, Andreas,d 1972-u Uppsala universitet,Observationell astrofysik4 aut0 (Swepub:uu)ankor103 |
| 700 | 1 | a Worley, C.u Univ Cambridge, Inst Astron, Madingley Rd, Cambridge CB3 0HA, England4 aut |
| 700 | 1 | a Smiljanic, R.u Polish Acad Sci, Nicolaus Copernicus Astron Ctr, Ul Bartycka 18, PL-00716 Warsaw, Poland4 aut |
| 700 | 1 | a Bergemann, M.u Max Planck Inst Astron, D-69117 Heidelberg, Germany4 aut |
| 700 | 1 | a Carraro, G.u Univ Padua, Dipartimento Fis & Astron, Vicolo Osservatorio 3, I-35122 Padua, Italy4 aut |
| 700 | 1 | a Damiani, F.u INAF Osservatorio Astron Palermo GS Vaiana, Piazza Parlamento 1, I-90134 Palermo, Italy4 aut |
| 700 | 1 | a Prisinzano, L.u INAF Osservatorio Astron Palermo GS Vaiana, Piazza Parlamento 1, I-90134 Palermo, Italy4 aut |
| 700 | 1 | a Bonito, R.u INAF Osservatorio Astron Palermo GS Vaiana, Piazza Parlamento 1, I-90134 Palermo, Italy4 aut |
| 700 | 1 | a Franciosini, E.u INAF Osservatorio Astrofis Arcetri, Largo E Fermi 5, I-50125 Florence, Italy4 aut |
| 700 | 1 | a Gonneau, A.u Univ Cambridge, Inst Astron, Madingley Rd, Cambridge CB3 0HA, England4 aut |
| 700 | 1 | a Hourihane, A.u Univ Cambridge, Inst Astron, Madingley Rd, Cambridge CB3 0HA, England4 aut |
| 700 | 1 | a Jofre, P.u Univ Diego Portales, Fac Ingn, Nucleo Astron, Ave Ejercito 441, Santiago, Chile4 aut |
| 700 | 1 | a Lewis, J.u Univ Cambridge, Inst Astron, Madingley Rd, Cambridge CB3 0HA, England4 aut |
| 700 | 1 | a Morbidelli, L.u INAF Osservatorio Astrofis Arcetri, Largo E Fermi 5, I-50125 Florence, Italy4 aut |
| 700 | 1 | a Sacco, G.u INAF Osservatorio Astrofis Arcetri, Largo E Fermi 5, I-50125 Florence, Italy4 aut |
| 700 | 1 | a Sousa, S. G.u Univ Porto, Inst Astrofis & Ciencias Espaco CAUP, Rua Estrelas, P-4150762 Porto, Portugal4 aut |
| 700 | 1 | a Zaggia, S.u INAF Osservatorio Astron Padova, Vicolo Osservatorio 5, I-35122 Padua, Italy4 aut |
| 700 | 1 | a Lanzafame, A. C.u Univ Catania, Dipartimento Fis & Astron, Sez Astrofis, Via S Sofia 78, I-95123 Catania, Italy4 aut |
| 700 | 1 | a Heiter, Ulrikeu Uppsala universitet,Observationell astrofysik4 aut0 (Swepub:uu)ulhei450 |
| 700 | 1 | a Frasca, A.u INAF Osservatorio Astrofis Catania, Via S Sofia 78, I-95123 Catania, Italy4 aut |
| 700 | 1 | a Bayo, A.u Univ Valparaiso, Inst Fis & Astron, Valparaiso, Chile,University of Valparaíso4 aut |
| 710 | 2 | a Univ Firenze, Dipartimento Fis & Astron, Via G Sansone 1, I-50019 Florence, Italy;INAF Osservatorio Astrofis Arcetri, Largo E Fermi 5, I-50125 Florence, Italyb University of Florence4 org |
| 710 | 2 | a et al. |
| 773 | 0 | t Astronomy and Astrophysicsd : EDP SCIENCES S Ag 629q 629x 0004-6361x 1432-0746 |
| 856 | 4 | u https://www.aanda.org/articles/aa/pdf/2019/09/aa35282-19.pdf |
| 856 | 4 | u http://dx.doi.org/10.1051/0004-6361/201935282y FULLTEXT |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-394198 |
| 856 | 4 8 | u https://doi.org/10.1051/0004-6361/201935282 |
| 856 | 4 8 | u https://lup.lub.lu.se/record/d47639e4-8230-4441-936c-e271de461bfc |
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