Atomic data for the Gaia-ESO Survey

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Atomic data for the Gaia-ESO Survey

Heiter, Ulrike (författare): Uppsala universitet,Uppsala University,Observationell astrofysik

Lind, Karin (författare): Stockholm University,Stockholms universitet,Institutionen för astronomi,Department of Astronomy, Stockholm University, AlbaNova, Roslagstullbacken 21, Stockholm, 10691, Sweden,Stockholm Univ, Dept Astron, AlbaNova, Roslagstullbacken 21, S-10691 Stockholm, Sweden.

Bergemann, M. (författare): Max-Planck Institut für Astronomie (MPIA), Königstuhl 17, Heidelberg, 69117, Germany,Max Planck Inst Astron MPIA, Konigstuhl 17, D-69117 Heidelberg, Germany.

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Asplund, M. (författare): Research School of Astronomy and Astrophysics, Australian National University, Cotter Road, Weston Creek, 2611, ACT, Australia,Australian Natl Univ, Res Sch Astron & Astrophys, Cotter Rd, Weston, ACT 2611, Australia.

Mikolaitis, Š. (författare): Institute of Theoretical Physics and Astronomy, Vilnius University, Saulėtekio av. 3, Vilnius, 10257, Lithuania,Vilnius Univ, Inst Theoret Phys & Astron, Sauletekio Av 3, LT-10257 Vilnius, Lithuania.

Barklem, Paul (författare): Uppsala universitet,Uppsala University,Observationell astrofysik

Masseron, T. (författare): Instituto de Astrofísica de Canarias, La Laguna, Tenerife, 38205, Spain; Departamento de Astrofísica, Universidad de la Laguna, La Laguna, Tenerife, 38206, Spain,University of La Laguna (ULL),Inst Astrofis Canarias, Tenerife 38205, Spain.;Univ La Laguna, Dept Astrofis, Tenerife 38206, Spain.

de Laverny, P. (författare): Université Côte d'Azur, Observatoire de la Côte d'Azur, CNRS, Laboratoire Lagrange, Blvd de l'Observatoire, Nice, 06304, France,Univ Cote dAzur, Observ Cote dAzur, Lab Lagrange, CNRS, Blvd Observ, F-06304 Nice, France.

Magrini, L. (författare): INAF-Osservatorio Astrofisico di Arcetri, Largo E. Fermi 5, Florence, 50125, Italy,National Institute for Astrophysics,INAF Osservatorio Astrofis Arcetri, Largo E Fermi 5, I-50125 Florence, Italy.

Edvardsson, Bengt, Associate Professor, 1956- (författare): Uppsala universitet,Uppsala University,Observationell astrofysik

Jönsson, H. (författare): Malmö University,Lund University,Lunds universitet,Malmö universitet,Institutionen för materialvetenskap och tillämpad matematik (MTM),Lund Observatory, Department of Astronomy and Theoretical Physics, Lund University, Box 43, Lund, 22100, Sweden,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,Malmö Univ, Mat Sci & Appl Math, S-20506 Malmö, Sweden.;Lund Univ, Dept Astron & Theoret Phys, Lund Observ, Box 43, S-22100 Lund, Sweden.

Pickering, J. C. (författare): Blackett Laboratory, Imperial College London, London, SW72BW, United Kingdom,Núcleo de Astronomiá, Facultad de Ingenieriá, Universidad Diego Portales, Av. Ejército 441, Santiago, Chile,Diego Portales University,Imperial Coll London, Blackett Lab, London SW7 2BW, England.,Univ Diego Portales, Fac Ingn, Nucleo Astron, Av Ejercito 441, Santiago, Chile.

Ryde, N. (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,Lund Univ, Dept Astron & Theoret Phys, Lund Observ, Box 43, S-22100 Lund, Sweden.

Bayo Arán, A. (författare): Instituto de Física y Astronomiá, Facultad de Ciencias, Universidad de Valparaíso, Av. Gran Bretanã 1111, Casilla, Valparaíso, 5030, Chile; Núcleo Milenio de Formación Planetaria-NPF, Universidad de Valparaíso, Av. Gran Bretanã 1111, Valparaíso, Chile,University of Valparaíso,Univ Valparaiso, Fac Ciencias, Inst Fis & Astron, Av Gran Bretana 1111,5030 Casilla, Valparaiso, Chile.;Univ Valparaiso, Nucleo Milenio Formac Planetaria NPR, Av Gran Bretana 1111, Valparaiso, Chile.

Bensby, T. (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,Lund Univ, Dept Astron & Theoret Phys, Lund Observ, Box 43, S-22100 Lund, Sweden.

Casey, A. R. (författare): Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge, CB30HA, United Kingdom; School of Physics and Astronomy, Monash University, Wellington Rd, Clayton, 3800, VIC, Australia; Center of Excellence for Astrophysics in Three Dimensions (ASTRO-3D), Australia,Univ Cambridge, Inst Astron, Madingley Rd, Cambridge CB3 0HA, England.;Monash Univ, Sch Phys & Astron, Wellington Rd, Clayton, Vic 3800, Australia.;Ctr Excellence Astrophys Three Dimens ASTRO 3D, Melbourne, Vic, Australia.

Feltzing, S. (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,Lund Univ, Dept Astron & Theoret Phys, Lund Observ, Box 43, S-22100 Lund, Sweden.

Jofré, P. (författare)

Korn, Andreas, 1972- (författare): Uppsala universitet,Uppsala University,Observationell astrofysik

Pancino, E. (författare): INAF-Osservatorio Astrofisico di Arcetri, Largo E. Fermi 5, Florence, 50125, Italy; Space Science Data Center, Agenzia Spaziale Italiana, Via del Politecnico, s.n.c., Roma, 00133, Italy,National Institute for Astrophysics,Italian Space Agency,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, Italy.

Damiani, F. (författare): INAF, Osservatorio Astronomico di Palermo, Piazza del Parlamento 1, Palermo, 90134, Italy,National Institute for Astrophysics,INAF Osservatorio Astron Palermo, Piazza Parlamento 1, I-90134 Palermo, Italy.

Lanzafame, A. (författare): Dipartimento di Fisica e Astronomia, Sezione Astrofisica, Universitá di Catania, Via S. Sofia 78, Catania, 95123, Italy,Univ Catania, Sez Astrofis, Dipartimento Fis & Astron, Via S Sofia 78, I-95123 Catania, Italy.

Lardo, C. (författare): Laboratoire d'Astrophysique, Ecole Polytechnique Fédérale de Lausanne (EPFL), Observatoire de Sauverny, Versoix, 1290, Switzerland,Swiss Federal Institute of Technology,Ecole Polytech Fed Lausanne EPFL, Lab Astrophys, Observ Sauverny, CH-1290 Versoix, Switzerland.

Monaco, L. (författare): Departamento de Ciencias Fisicas, Universidad Andres Bello, Fernandez Concha 700, Las Condes, Santiago, Chile,Andrés Bello National University,Univ Andres Bello, Dept Ciencias Fis, Fernandez Concha 700, Santiago, Chile.

Morbidelli, L. (författare): INAF-Osservatorio Astrofisico di Arcetri, Largo E. Fermi 5, Florence, 50125, Italy,National Institute for Astrophysics,INAF Osservatorio Astrofis Arcetri, Largo E Fermi 5, I-50125 Florence, Italy.

Smiljanic, R. (författare): Nicolaus Copernicus Astronomical Center, Polish Academy of Sciences, ul. Bartycka 18, Warsaw, 00-716, Poland,INAF-Osservatorio Astrofisico di Arcetri, Largo E. Fermi 5, Florence, 50125, Italy,Nicolaus Copernicus Astronomical Center of the Polish Academy of Sciences,National Institute for Astrophysics,Polish Acad Sci, Nicolaus Copernicus Astron Ctr, Ul Bartycka 18, PL-00716 Warsaw, Poland.,INAF Osservatorio Astrofis Arcetri, Largo E Fermi 5, I-50125 Florence, Italy.

Worley, C. (författare): Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge, CB30HA, United Kingdom,Univ Cambridge, Inst Astron, Madingley Rd, Cambridge CB3 0HA, England.

Zaggia, S. (författare): INAF-Padova Observatory, Vicolo dell'Osservatorio 5, Padova, 35122, Italy,National Institute for Astrophysics,INAF Padova Observ, Vicolo Osservatorio 5, I-35122 Padua, Italy.

Randich, S. (författare)

Gilmore, G. F. (författare): Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge, CB30HA, United Kingdom,Univ Cambridge, Inst Astron, Madingley Rd, Cambridge CB3 0HA, England.

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(creator_code:org_t)

2021-01-26
2021
Engelska.
Ingår i: Astronomy and Astrophysics. - : EDP Sciences. - 0004-6361 .- 1432-0746. ; 645

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Tidskriftsartikel (refereegranskat)

Abstract Ämnesord

Stäng

Context. We describe the atomic and molecular data that were used for the abundance analyses of FGK-type stars carried out within the Gaia-ESO Public Spectroscopic Survey in the years 2012 to 2019. The Gaia-ESO Survey is one among several current and future stellar spectroscopic surveys producing abundances for Milky-Way stars on an industrial scale.Aims. We present an unprecedented effort to create a homogeneous common line list, which was used by several abundance analysis groups using different radiative transfer codes to calculate synthetic spectra and equivalent widths. The atomic data are accompanied by quality indicators and detailed references to the sources. The atomic and molecular data are made publicly available at the CDS.Methods. In general, experimental transition probabilities were preferred but theoretical values were also used. Astrophysical gf-values were avoided due to the model-dependence of such a procedure. For elements whose lines are significantly affected by a hyperfine structure or isotopic splitting, a concerted effort has been made to collate the necessary data for the individual line components. Synthetic stellar spectra calculated for the Sun and Arcturus were used to assess the blending properties of the lines. We also performed adetailed investigation of available data for line broadening due to collisions with neutral hydrogen atoms.Results. Among a subset of over 1300 lines of 35 elements in the wavelength ranges from 475 to 685 nm and from 850 to 895 nm, we identified about 200 lines of 24 species which have accurate gf-values and are free of blends in the spectra of the Sun and Arcturus. For the broadening due to collisions with neutral hydrogen, we recommend data based on Anstee-Barklem-O'Mara theory, where possible. We recommend avoiding lines of neutral species for which these are not available. Theoretical broadening data by R.L. Kurucz should be used for ScII, TiII, and YII lines; additionally, for ionised rare-earth species, the Unsold approximation with an enhancement factor of 1.5 for the line width can be used.Conclusions. The line list has proven to be a useful tool for abundance determinations based on the spectra obtained within the Gaia-ESO Survey, as well as other spectroscopic projects. Accuracies below 0.2 dex are regularly achieved, where part of the uncertainties are due to differences in the employed analysis methods. Desirable improvements in atomic data were identified for a number of species, most importantly AlI, SI, and CrII, but also NaI, SiI, CaII, and NiI.

Ämnesord

NATURVETENSKAP -- Fysik (hsv//swe)
NATURAL SCIENCES -- Physical Sciences (hsv//eng)
NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)

Nyckelord

atomic data
stars: abundances
stars: late-type
surveys
Atomic data
Stars: Abundances
Stars: Late-type
Surveys

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