Paul Barklem

The PLATO mission

Rauer, Heike; Amarsi, Anish; Barklem, Paul; Eriksson, Kjell et al.

Ingår i Experimental astronomy, 2025

• DOI för The PLATO mission
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Revisiting inelastic Cu + H collisions and the non-LTE Galactic evolution of copper

Caliskan, Sema; Amarsi, Anish; Racca, M.; Koutsouridou, I. et al.

Ingår i Astronomy and Astrophysics, 2025

• DOI för Revisiting inelastic Cu + H collisions and the non-LTE Galactic evolution of copper
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The solar beryllium abundance revisited with 3D non-LTE models

Amarsi, Anish M.; Ogneva, Daria; Buldgen, G.; Grevesse, N. et al.

Ingår i Astronomy and Astrophysics, 2024

• DOI för The solar beryllium abundance revisited with 3D non-LTE models
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Revisiting the statistical equilibrium of H^- in stellar atmospheres

Barklem, Paul; Amarsi, Anish

Ingår i Astronomy and Astrophysics, 2024

• DOI för Revisiting the statistical equilibrium of H^- in stellar atmospheres
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State-resolved mutual neutralization of ¹⁶O⁺ with ¹H⁻ and ²H⁻ at collision energies below 100 meV

Schmidt-May, Alice F.; Barklem, Paul S.; Grumer, Jon; Amarsi, Anish M. et al.

Ingår i Physical Review A: covering atomic, molecular, and optical physics and quantum information, 2024

• DOI för State-resolved mutual neutralization of ¹⁶O⁺ with ¹H⁻ and ²H⁻ at collision energies below 100 meV
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The PLATO mission

Rauer, Heike; Amarsi, Anish; Barklem, Paul; Eriksson, Kjell et al.

Ingår i Experimental astronomy, 2025

• DOI för The PLATO mission
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Revisiting inelastic Cu + H collisions and the non-LTE Galactic evolution of copper

Caliskan, Sema; Amarsi, Anish; Racca, M.; Koutsouridou, I. et al.

Ingår i Astronomy and Astrophysics, 2025

• DOI för Revisiting inelastic Cu + H collisions and the non-LTE Galactic evolution of copper
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The solar beryllium abundance revisited with 3D non-LTE models

Amarsi, Anish M.; Ogneva, Daria; Buldgen, G.; Grevesse, N. et al.

Ingår i Astronomy and Astrophysics, 2024

• DOI för The solar beryllium abundance revisited with 3D non-LTE models
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Revisiting the statistical equilibrium of H^- in stellar atmospheres

Barklem, Paul; Amarsi, Anish

Ingår i Astronomy and Astrophysics, 2024

• DOI för Revisiting the statistical equilibrium of H^- in stellar atmospheres
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State-resolved mutual neutralization of ¹⁶O⁺ with ¹H⁻ and ²H⁻ at collision energies below 100 meV

Schmidt-May, Alice F.; Barklem, Paul S.; Grumer, Jon; Amarsi, Anish M. et al.

Ingår i Physical Review A: covering atomic, molecular, and optical physics and quantum information, 2024

• DOI för State-resolved mutual neutralization of ¹⁶O⁺ with ¹H⁻ and ²H⁻ at collision energies below 100 meV
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3D NLTE modelling of Y and Eu: Centre-to-limb variation and solar abundances

Storm, N.; Barklem, Paul; Yakovleva, S. A.; Belyaev, A. K. et al.

Ingår i Astronomy and Astrophysics, 2024

• DOI för 3D NLTE modelling of Y and Eu: Centre-to-limb variation and solar abundances
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The molecular chemistry of Type Ibc supernovae and diagnostic potential with the James Webb Space Telescope

Liljegren, S.; Jerkstrand, A.; Barklem, Paul; Nyman, G. et al.

Ingår i Astronomy and Astrophysics, 2023

• DOI för The molecular chemistry of Type Ibc supernovae and diagnostic potential with the James Webb Space Telescope
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Observation of an isotope effect in state-selective mutual neutralization of lithium with hydrogen

Schmidt-May, Alice F.; Rosen, Stefan; Ji, Mingchao; Eklund, Gustav et al.

Ingår i Physical Review A: covering atomic, molecular, and optical physics and quantum information, 2023

• DOI för Observation of an isotope effect in state-selective mutual neutralization of lithium with hydrogen
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Detailed alpha abundance trends in the inner Galactic bulge

Nieuwmunster, N.; Nandakumar, G.; Spitoni, E.; Ryde, N. et al.

Ingår i Astronomy and Astrophysics, 2023

• DOI för Detailed alpha abundance trends in the inner Galactic bulge
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Storage-ring study of the mutual neutralization of N plus with O minus

Poline, Mathias; Rosen, Stefan; Ji, MingChao; Simonsson, Ansgar et al.

Ingår i Physical Review A: covering atomic, molecular, and optical physics and quantum information, 2022

• DOI för Storage-ring study of the mutual neutralization of N plus with O minus
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State-Resolved Mutual Neutralization of Mg+ and D-

Grumer, Jon; Eklund, Gustav; Amarsi, Anish; Barklem, Paul et al.

Ingår i Physical Review Letters, 2022

• DOI för State-Resolved Mutual Neutralization of Mg+ and D-
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Titanium abundances in late-type stars: I. 1D non-local thermodynamic equilibrium modelling in benchmark dwarfs and giants

Mallinson, J. W. E.; Lind, K.; Amarsi, Anish; Barklem, Paul et al.

Ingår i Astronomy and Astrophysics, 2022

• DOI för Titanium abundances in late-type stars: I. 1D non-local thermodynamic equilibrium modelling in benchmark dwarfs and giants
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The solar photospheric silicon abundance according to (COBOLD)-B-5: Investigating line broadening, magnetic fields, and model effects

Deshmukh, S. A.; Ludwig, H-G; Kucinskas, A.; Steffen, M. et al.

Ingår i Astronomy and Astrophysics, 2022

• DOI för The solar photospheric silicon abundance according to (COBOLD)-B-5: Investigating line broadening, magnetic fields, and model effects
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The Gaia-ESO Public Spectroscopic Survey: Implementation, data products, open cluster survey, science, and legacy

Randich, S.; Gilmore, G.; Magrini, L.; Sacco, G. G. et al.

Ingår i Astronomy and Astrophysics, 2022

• DOI för The Gaia-ESO Public Spectroscopic Survey: Implementation, data products, open cluster survey, science, and legacy

The Gaia-ESO Public Spectroscopic Survey: Motivation, implementation, GIRAFFE data processing, analysis, and final data products star

Gilmore, G.; Randich, S.; Worley, C. C.; Hourihane, A. et al.

Ingår i Astronomy and Astrophysics, 2022

• DOI för The Gaia-ESO Public Spectroscopic Survey: Motivation, implementation, GIRAFFE data processing, analysis, and final data products star
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Non-LTE abundance corrections for late-type stars from 2000Å to 3 μm

Lind, K.; Nordlander, T.; Wehrhahn, Ansgar; Montelius, M. et al.

Ingår i Astronomy and Astrophysics, 2022

• DOI för Non-LTE abundance corrections for late-type stars from 2000Å to 3 μm
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Final-state-resolved mutual neutralization of Na+ and D-

Eklund, Gustav; Grumer, Jon; Barklem, Paul; Rosen, Stefan et al.

Ingår i Physical Review A: covering atomic, molecular, and optical physics and quantum information, 2021

• DOI för Final-state-resolved mutual neutralization of Na+ and D-
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Mutual Neutralization in Li++H-/D- and Na++H-/D- Collisions: Implications of Experimental Results for Non-LTE Modeling of Stellar Spectra

Barklem, Paul; Amarsi, Anish; Grumer, Jon; Eklund, Gustav et al.

Ingår i Astrophysical Journal, 2021

• DOI för Mutual Neutralization in Li++H-/D- and Na++H-/D- Collisions: Implications of Experimental Results for Non-LTE Modeling of Stellar Spectra

Mutual neutralisation of O+ with O-: investigation of the role of metastable ions in a combined experimental and theoretical study

Poline, Mathias; Dochain, Arnaud; Rosen, Stefan; Grumer, Jon et al.

Ingår i Physical Chemistry, Chemical Physics - PCCP, s. 24607-24616, 2021

• DOI för Mutual neutralisation of O+ with O-: investigation of the role of metastable ions in a combined experimental and theoretical study
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Diagnostic capabilities of spectropolarimetric observations for understanding solar phenomena: I. Zeeman-sensitive photospheric lines

Noda, C. Quintero; Barklem, Paul; Gafeira, R.; Ruiz Cobo, B. et al.

Ingår i Astronomy and Astrophysics, 2021

• DOI för Diagnostic capabilities of spectropolarimetric observations for understanding solar phenomena: I. Zeeman-sensitive photospheric lines

Correspondence between the surface integral and linear combination of atomic orbitals methods for ionic-covalent interactions in mutual neutralization processes involving H-/D-

Barklem, Paul

Ingår i Physical Review A: covering atomic, molecular, and optical physics and quantum information, 2021

• DOI för Correspondence between the surface integral and linear combination of atomic orbitals methods for ionic-covalent interactions in mutual neutralization processes involving H-/D-
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Atomic data for the Gaia-ESO Survey

Heiter, Ulrike; Lind, K.; Bergemann, M.; Asplund, M. et al.

Ingår i Astronomy and Astrophysics, 2021

• DOI för Atomic data for the Gaia-ESO Survey

Cryogenic merged-ion-beam experiments in DESIREE: Final-state-resolved mutual neutralization of Li+ and D-

Eklund, Gustav; Grumer, Jon; Rosen, Stefan; Ji, MingChao et al.

Ingår i Physical Review A: covering atomic, molecular, and optical physics and quantum information, 2020

• DOI för Cryogenic merged-ion-beam experiments in DESIREE: Final-state-resolved mutual neutralization of Li+ and D-
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Excitation and charge transfer in low-energy hydrogen atom collisions with neutral manganese and titanium

Grumer, Jon; Barklem, Paul

Ingår i Astronomy and Astrophysics, 2020

• DOI för Excitation and charge transfer in low-energy hydrogen atom collisions with neutral manganese and titanium

The 3D non-LTE solar nitrogen abundance from atomic lines

Amarsi, Anish; Grevesse, N.; Grumer, Jon; Asplund, M. et al.

Ingår i Astronomy and Astrophysics, 2020

• DOI för The 3D non-LTE solar nitrogen abundance from atomic lines

4MOST: Project overview and information for the First Call for Proposals

de Jong, R. S.; Agertz, O.; Berbel, A. A.; Aird, J. et al.

Ingår i The Messenger, s. 3-11, 2019

• DOI för 4MOST: Project overview and information for the First Call for Proposals

Non-LTE analysis of K I in late-type stars

Reggiani, Henrique; Amarsi, Anish M.; Lind, Karin; Barklem, Paul S. et al.

Ingår i Astronomy and Astrophysics, 2019

• DOI för Non-LTE analysis of K I in late-type stars

Excitation and charge transfer in low-energy hydrogen atom collisions with neutral carbon and nitrogen

Amarsi, A. M.; Barklem, Paul

Ingår i Astronomy and Astrophysics, 2019

• DOI för Excitation and charge transfer in low-energy hydrogen atom collisions with neutral carbon and nitrogen
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3D non-LTE line formation of neutral carbon in the Sun

Amarsi, A. M.; Barklem, Paul S.; Collet, R.; Grevesse, N. et al.

Ingår i Astronomy and Astrophysics, 2019

• DOI för 3D non-LTE line formation of neutral carbon in the Sun
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Gaia Data Release 2 Variable stars in the colour-absolute magnitude diagram

Eyer, L.; Korn, Andreas J.; Barklem, Paul S.; Edvardsson, Bengt et al.

Ingår i Astronomy and Astrophysics, 2019

• DOI för Gaia Data Release 2 Variable stars in the colour-absolute magnitude diagram

Ca line formation in late-type stellar atmospheres: I. The model atom

Osorio, Y.; Lind, Karin; Barklem, Paul S.; Prieto, C. Allende et al.

Ingår i Astronomy and Astrophysics, 2019

• DOI för Ca line formation in late-type stellar atmospheres: I. The model atom

Carbon and oxygen in metal-poor halo stars

Amarsi, A. M.; Nissen, P. E.; Asplund, M.; Lind, Karin et al.

Ingår i Astronomy and Astrophysics, 2019

• DOI för Carbon and oxygen in metal-poor halo stars

Gaia Data Release 2 Kinematics of globular clusters and dwarf galaxies around the Milky Way

Helmi, A.; van Leeuwen, F.; McMillan, P. J.; Massari, D. et al.

Ingår i Astronomy and Astrophysics, 2018

• DOI för Gaia Data Release 2 Kinematics of globular clusters and dwarf galaxies around the Milky Way

A New Test of Copper and Zinc Abundances in Late-type Stars Using Ultraviolet Cu II and Zn II Lines

Roederer, Ian U.; Barklem, Paul

Ingår i Astrophysical Journal, 2018

• DOI för A New Test of Copper and Zinc Abundances in Late-type Stars Using Ultraviolet Cu II and Zn II Lines

Effective temperature determinations of late-type stars based on 3D non-LTE Balmer line formation

Amarsi, A. M.; Nordlander, T.; Barklem, Paul; Asplund, M. et al.

Ingår i Astronomy and Astrophysics, 2018

• DOI för Effective temperature determinations of late-type stars based on 3D non-LTE Balmer line formation

A collection of model stellar spectra for spectral types B to early-M

Allende Prieto, C.; Koesterke, L.; Hubeny, I.; Bautista, M. A. et al.

Ingår i Astronomy and Astrophysics, 2018

• DOI för A collection of model stellar spectra for spectral types B to early-M

Gaia Data Release 2: Observations of solar system objects

Spoto, F.; Tanga, P.; Mignard, F.; Berthier, J. et al.

Ingår i Astronomy and Astrophysics, 2018

• DOI för Gaia Data Release 2: Observations of solar system objects
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Gaia Data Release 2 The celestial reference frame (Gaia-CRF2)

Mignard, F.; Klioner, S. A.; Lindegren, L.; Hernandez, J. et al.

Ingår i Astronomy and Astrophysics, 2018

• DOI för Gaia Data Release 2 The celestial reference frame (Gaia-CRF2)

Chemical characterization of the inner Galactic bulge: North-South symmetry

Nandakumar, G.; Ryde, N.; Schultheis, M.; Thorsbro, B. et al.

Ingår i Monthly notices of the Royal Astronomical Society, s. 4374-4389, 2018

• DOI för Chemical characterization of the inner Galactic bulge: North-South symmetry

Gaia Data Release 2 Mapping the Milky Way disc kinematics

Katz, D.; Antoja, T.; Romero-Gomez, M.; Drimmel, R. et al.

Ingår i Astronomy and Astrophysics, 2018

• DOI för Gaia Data Release 2 Mapping the Milky Way disc kinematics
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Observational Hertzsprung-Russell diagrams

Babusiaux, C.; van Leeuwen, F.; Barstow, M. A.; Jordi, C. et al.

Ingår i Astronomy and Astrophysics, 2018

• DOI för Observational Hertzsprung-Russell diagrams
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Gaia Data Release 2 Summary of the contents and survey properties

Brown, A. G. A.; Vallenari, A.; Prusti, T.; de Bruijne, J. H. J. et al.

Ingår i Astronomy and Astrophysics, 2018

• DOI för Gaia Data Release 2 Summary of the contents and survey properties

Inelastic O plus H collisions and the O I 777 nm solar centre-to-limb variation

Amarsi, A. M.; Barklem, Paul; Asplund, M.; Collet, R. et al.

Ingår i Astronomy and Astrophysics, 2018

• DOI för Inelastic O plus H collisions and the O I 777 nm solar centre-to-limb variation

Excitation and charge transfer in low-energy hydrogen atom collisions with neutral iron

Barklem, Paul S.

Ingår i Astronomy and Astrophysics, 2018

• DOI för Excitation and charge transfer in low-energy hydrogen atom collisions with neutral iron

Excitation and charge transfer in low-energy hydrogen atom collisions with neutral oxygen

Barklem, Paul

Ingår i Astronomy and Astrophysics, 2018

• DOI för Excitation and charge transfer in low-energy hydrogen atom collisions with neutral oxygen

Data on inelastic processes in low-energy potassium-hydrogen and rubidium-hydrogen collisions

Yakovleva, S. A.; Barklem, Paul S.; Belyaev, A. K.

Ingår i Monthly notices of the Royal Astronomical Society, s. 3810-3817, 2018

• DOI för Data on inelastic processes in low-energy potassium-hydrogen and rubidium-hydrogen collisions
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3D NLTE Analysis of the Most Iron-Deficient Star, SMSS0313-6708

Nordlander, Thomas; Amarsi, A. M.; Lind, Karin; Asplund, M. et al.

Ingår i Astronomy and Astrophysics, 2017

• DOI för 3D NLTE Analysis of the Most Iron-Deficient Star, SMSS0313-6708

The Hamburg/ESO R-process Enhanced Star survey (HERES)

Hill, V.; Christlieb, N.; Beers, T. C.; Barklem, Paul S. et al.

Ingår i Astronomy and Astrophysics, 2017

• DOI för The Hamburg/ESO R-process Enhanced Star survey (HERES)

Inelastic e plus Mg collision data and its impact on modelling stellar and supernova spectra

Barklem, Paul; Osorio, Y.; Fursa, D. V.; Bray, I. et al.

Ingår i Astronomy and Astrophysics, 2017

• DOI för Inelastic e plus Mg collision data and its impact on modelling stellar and supernova spectra

Non-LTE line formation of Fe in late-type stars - IV. Modelling of the solar centre-to-limb variation in 3D

Lind, Karin; Amarsi, A. M.; Asplund, M.; Barklem, Paul S. et al.

Ingår i Monthly notices of the Royal Astronomical Society, s. 4311-4322, 2017

• DOI för Non-LTE line formation of Fe in late-type stars - IV. Modelling of the solar centre-to-limb variation in 3D
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Mg line formation in late-type stellar atmospheres: II. Calculations in a grid of 1D models

Martinez Osorio, Yeisson Fabian; Barklem, Paul S.

Ingår i Astronomy and Astrophysics, 2016

• DOI för Mg line formation in late-type stellar atmospheres: II. Calculations in a grid of 1D models

Non-LTE line formation of Fe in late-type stars - III. 3D non-LTE analysis of metal-poor stars

Amarsi, A. M.; Lind, Karin; Asplund, M.; Barklem, Paul S. et al.

Ingår i Monthly notices of the Royal Astronomical Society, s. 1518-1533, 2016

• DOI för Non-LTE line formation of Fe in late-type stars - III. 3D non-LTE analysis of metal-poor stars

Excitation and charge transfer in low-energy hydrogen-atom collisions with neutral atoms: Theory, comparisons, and application to Ca

Barklem, Paul S.

Ingår i PHYSICAL REVIEW A, 2016

• DOI för Excitation and charge transfer in low-energy hydrogen-atom collisions with neutral atoms: Theory, comparisons, and application to Ca

Partition functions and equilibrium constants for diatomic molecules and atoms of astrophysical interest

Barklem, Paul S.; Collet, R.

Ingår i Astronomy and Astrophysics, 2016

• DOI för Partition functions and equilibrium constants for diatomic molecules and atoms of astrophysical interest

Inelastic processes in atomic, molecular and chemical physics (in honour of Andrey K. Belyaev)

Barklem, Paul S.; Tscherbul, Timur V.

Ingår i Chemical Physics, s. 1-2, 2015

• DOI för Inelastic processes in atomic, molecular and chemical physics (in honour of Andrey K. Belyaev)

Atomic and molecular data for optical stellar spectroscopy

Heiter, Ulrike; Lind, Karin; Asplund, M.; Barklem, Paul S. et al.

Ingår i Physica Scripta, 2015

• DOI för Atomic and molecular data for optical stellar spectroscopy

A major upgrade of the VALD database

Ryabchikova, T.; Piskunov, Nikolai; Kurucz, R. L.; Stempels, Eric H. C. et al.

Ingår i Physica Scripta, 2015

• DOI för A major upgrade of the VALD database

Mg line formation in late-type stellar atmospheres: I. The model atom

Martinez Osorio, Yeisson Fabian; Barklem, Paul; Lind, Karin; Belyaev, A. K. et al.

Ingår i Astronomy and Astrophysics, 2015

• DOI för Mg line formation in late-type stellar atmospheres: I. The model atom

The Gaia-ESO Survey: A globular cluster escapee in the Galactic halo

Lind, Karin; Koposov, S. E.; Battistini, C.; Marino, A. F. et al.

Ingår i Astronomy and Astrophysics, 2015

• DOI för The Gaia-ESO Survey: A globular cluster escapee in the Galactic halo

Unified numerical model of collisional depolarization and broadening rates that are due to hydrogen atom collisions

Derouich, M.; Radi, A.; Barklem, Paul S.

Ingår i Astronomy and Astrophysics, 2015

• DOI för Unified numerical model of collisional depolarization and broadening rates that are due to hydrogen atom collisions
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Inelastic silicon-hydrogen collision data for non-LTE applications in stellar atmospheres

Belyaev, Andrey K.; Yakovleva, Svetlana A.; Barklem, Paul S.

Ingår i Astronomy and Astrophysics, 2014

• DOI för Inelastic silicon-hydrogen collision data for non-LTE applications in stellar atmospheres

Atomic diffusion and mixing in old stars IV. Weak abundance trends in the globular cluster NGC6752

Gruyters, Pieter; Korn, Andreas J.; Richard, O.; Grundahl, F. et al.

Ingår i Astronomy and Astrophysics, 2013

• DOI för Atomic diffusion and mixing in old stars IV. Weak abundance trends in the globular cluster NGC6752

The most metal-poor stars. I. Discovery, data, and atmospheric parameters

Norris, J. E.; Bessell, M. S.; Yong, D.; Christlieb, N. et al.

Ingår i Astrophysical Journal, s. 25, 2013

• DOI för The most metal-poor stars. I. Discovery, data, and atmospheric parameters

The most metal-poor stars. IV. the two populations with [Fe/H] ≲ -3.0

Norris, J. E.; Yong, D.; Bessell, M. S.; Christlieb, N. et al.

Ingår i Astrophysical Journal, s. 28, 2013

• DOI för The most metal-poor stars. IV. the two populations with [Fe/H] ≲ -3.0

The most metal-poor stars. II. Chemical abundances of 190 metal-poor stars including 10 new stars with [Fe/H] ≤ -3.5

Yong, D.; Norris, J. E.; Bessell, M. S.; Christlieb, N. et al.

Ingår i Astrophysical Journal, s. 26, 2013

• DOI för The most metal-poor stars. II. Chemical abundances of 190 metal-poor stars including 10 new stars with [Fe/H] ≤ -3.5

The most metal-poor stars. III. The metallicity distribution function and carbon-enhanced metal-poor fraction

Yong, David; Norris, John E.; Bessell, M. S.; Christlieb, N. et al.

Ingår i Astrophysical Journal, s. 27, 2013

• DOI för The most metal-poor stars. III. The metallicity distribution function and carbon-enhanced metal-poor fraction

The influence of electron collisions on non-LTE Li line formation in stellar atmospheres

Martinez Osorio, Yeisson Fabian; Barklem, Paul S.; Lind, K.; Asplund, M.

Ingår i Journal of Physics, Conference Series, 2012

• DOI för The influence of electron collisions on non-LTE Li line formation in stellar atmospheres

Cross sections for low-energy inelastic Mg + H and Mg⁺ + H^- collisions

Belyaev, Andrey K.; Barklem, Paul; Spielfiedel, A.; Guitou, M. et al.

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2012

• DOI för Cross sections for low-energy inelastic Mg + H and Mg⁺ + H^- collisions

Inelastic Mg plus H collision data for non-LTE applications in stellar atmospheres

Barklem, Paul; Belyaev, A. K.; Spielfiedel, A.; Guitou, M. et al.

Ingår i Astronomy and Astrophysics, 2012

• DOI för Inelastic Mg plus H collision data for non-LTE applications in stellar atmospheres

Low-energy inelastic Na + H collisions

Belyaev, Andrey K.; Barklem, Paul S.; Gadéa, F. X.; Vlasov, D. V.

Ingår i Journal of Physics, Conference Series, 2012

• DOI för Low-energy inelastic Na + H collisions

Ab initio cross sections for low-energy inelastic Mg+H collisions

Belyaev, Andrey K.; Barklem, Paul S.; Guitou, M.; Spielfiedel, A. et al.

Ingår i Journal of Physics, Conference Series, 2012

• DOI för Ab initio cross sections for low-energy inelastic Mg+H collisions

Mg-H collision rates for non-LTE determination of stellar atmospheric parameters

Guitou, M.; Belyaev, A. K.; Spielfiedel, A.; Feautrier, N. et al.

Ingår i Journal of Physics, Conference Series, 2012

• DOI för Mg-H collision rates for non-LTE determination of stellar atmospheric parameters

HERES VI. Galactic chemical evolution of Si and C (Zhang+, 2011)

Zhang, L.; Karlsson, Torgny; Christlieb, N.; Korn, Andreas et al.

Ingår i VizieR Online Data Catalog, 2011

Inelastic Mg plus H collision processes at low energies

Guitou, M.; Belyaev, A. K.; Barklem, Paul; Spielfiedel, A. et al.

Ingår i Journal of Physics B, 2011

• DOI för Inelastic Mg plus H collision processes at low energies

Non-LTE calculations for neutral Na in late-type stars using improved atomic data

Lind, K.; Asplund, M.; Barklem, Paul; Belyaev, A. K.

Ingår i Astronomy and Astrophysics, 2011

• DOI för Non-LTE calculations for neutral Na in late-type stars using improved atomic data

The Hamburg/ESO R-process Enhanced Star survey (HERES) VI. The Galactic chemical evolution of silicon

Zhang, L.; Karlsson, T.; Christlieb, N.; Korn, Andreas et al.

Ingår i Astronomy and Astrophysics, 2011

• DOI för The Hamburg/ESO R-process Enhanced Star survey (HERES) VI. The Galactic chemical evolution of silicon

Multichannel excitation cross sections of sodium atoms at slow collisions with hydrogen atoms

Vlasov, D. V.; Barklem, Paul; Belyaev, A. K.

Ingår i Optics and Spectroscopy, s. 321-327, 2011

• DOI för Multichannel excitation cross sections of sodium atoms at slow collisions with hydrogen atoms

The influence of electron collisions on non-LTE Li line formation in stellar atmospheres

Martinez Osorio, Yeisson Fabian; Barklem, Paul; Lind, K.; Asplund, M.

Ingår i Astronomy and Astrophysics, 2011

• DOI för The influence of electron collisions on non-LTE Li line formation in stellar atmospheres

On inelastic hydrogen atom collisions in stellar atmospheres

Barklem, Paul; Belyaev, A. K.; Guitou, M.; Feautrier, N. et al.

Ingår i Astronomy and Astrophysics, 2011

• DOI för On inelastic hydrogen atom collisions in stellar atmospheres

Cross sections for low-energy inelastic H plus Na collisions

Belyaev, A. K.; Barklem, Paul S.; Dickinson, A. S.; Gadea, F. X.

Ingår i Physical Review A. Atomic, Molecular, and Optical Physics, 2010

• DOI för Cross sections for low-energy inelastic H plus Na collisions

The Hamburg/ESO R-process enhanced star survey (HERES) V. Detailed abundance analysis of the r-process enhanced star HE 2327-5642

Mashonkina, L.; Christlieb, N.; Barklem, Paul S.; Hill, V. et al.

Ingår i Astronomy and Astrophysics, 2010

• DOI för The Hamburg/ESO R-process enhanced star survey (HERES) V. Detailed abundance analysis of the r-process enhanced star HE 2327-5642

Inelastic Na+H collision data for non-LTE applications in stellar atmospheres

Barklem, Paul; Belyaev, A. K.; Dickinson, A. S.; Gadea, F. X.

Ingår i Astronomy and Astrophysics, 2010

• DOI för Inelastic Na+H collision data for non-LTE applications in stellar atmospheres

LITHIUM ABUNDANCES OF EXTREMELY METAL-POOR TURNOFF STARS

Aoki, Wako; Barklem, Paul S.; Beers, C; Christlieb, Norbert et al.

Ingår i Astrophysical Journal, s. 1803-1812, 2009

• DOI för LITHIUM ABUNDANCES OF EXTREMELY METAL-POOR TURNOFF STARS

Hydrogen lines

Barklem, Paul S.

Ingår i Physica Scripta, 2008

• DOI för Hydrogen lines

Non-LTE Balmer line formation in late-type spectra: Effects of atomic processes involving hydrogen atoms

Barklem, Paul

Ingår i Astronomy and Astrophysics, s. 327-337, 2007

• DOI för Non-LTE Balmer line formation in late-type spectra: Effects of atomic processes involving hydrogen atoms

Multipole rates for atomic polarization studies: The case of complex atoms in non-spherically symmetric states colliding with atomic hydrogen

Sahal-Brechot, S.; Derouich, M.; Bommier, V.; Barklem, Paul

Ingår i Astronomy and Astrophysics, s. 667-677, 2007

• DOI för Multipole rates for atomic polarization studies: The case of complex atoms in non-spherically symmetric states colliding with atomic hydrogen

Atomic Diffusion and Mixing in Old Stars: I. Very Large Telescope FLAMES-UVES Observations of Stars in NGC 6397

Korn, Andreas; Grundahl, Frank; Richard, Olivier; Mashonkina, Lyudmila et al.

Ingår i Astrophysical Journal, s. 402-419, 2007

• DOI för Atomic Diffusion and Mixing in Old Stars: I. Very Large Telescope FLAMES-UVES Observations of Stars in NGC 6397

Electron-impact excitation of neutral oxygen

Barklem, Paul

Ingår i Astronomy and Astrophysics, s. 781-788, 2007

• DOI för Electron-impact excitation of neutral oxygen

Spin depolarizing effect in collisions with neutral hydrogen: II. Application to simple/complex ions in spherically symmetric states

Derouich, M; Barklem, Paul

Ingår i Astronomy and Astrophysics, s. 1171-1177, 2007

• DOI för Spin depolarizing effect in collisions with neutral hydrogen: II. Application to simple/complex ions in spherically symmetric states

A probable stellar solution to the cosmological lithium discrepancy

Korn, Andreas; Grundahl, Frank; Richard, O.; Barklem, Paul et al.

Ingår i Nature, s. 657-659, 2006

• DOI för A probable stellar solution to the cosmological lithium discrepancy

The frequency of carbon-enhanced metal-poor stars in the galaxy from the HERES sample

Lucatello, S.; Beers, T.; Christlieb, Norbert; Barklem, Paul et al.

Ingår i Astrophysical Journal, 2006

• DOI för The frequency of carbon-enhanced metal-poor stars in the galaxy from the HERES sample

HE 1327-2326, an Unevolved Star with [Fe/H] < -5.0.: I. A Comprehensive Abundance Analysis

Aoki, W; Frebel, A; Christlieb, Norbert; Norris, J et al.

Ingår i The Astrophysical Journal, s. 897-917, 2006

The Hamburg/ESO R-process Enhanced Star survey (HERES).: II. HE 0338-3945 and the formation of the r+s stars

Jonsell, Karin; Barklem, Paul; Gustafsson, Bengt; Christlieb, Norbert et al.

Ingår i Astronomy and Astrophysics, s. 651-670, 2006

Efficient Searches for r-Process-Enhanced, Metal-Poor Stars

Beers, T.C.; Barklem, Paul; Christlieb, Norbert; Hill, V.

Ingår i Nuclear Physics A, s. 595-598, 2005

Nucleosynthetic signatures of the first stars

Frebel, A.; Aoki, W.; Christlieb, N.; Ando, H. et al.

Ingår i Nature, s. 871-873, 2005

Collisional depolarization of the lines of complex atoms/ions by neutral hydrogen

Derouich, M.; Sahal-Bréchot, S.; Barklem, Paul

Ingår i Astronomy and Astrophysics, s. 779-784, 2005

Spin depolarizing effect in collisions of simple/complex atoms in spherically symmetric states with neutral hydrogen

Derouich, M.; Barklem, Paul; Sahal-Bréchot, S.

Ingår i Astronomy and Astrophysics, s. 395-406, 2005

The Hamburg/ESO R-process Enhanced Star survey (HERES).: II. Spectroscopic analysis of the survey sample

Barklem, Paul; Christlieb, Norbert; Beers, T.C.; Hill, V. et al.

Ingår i Astronomy and Astrophysics, s. 129-151, 2005

The broadening of Fe II lines by neutral hydrogen collisions

Barklem, Paul; Aspelund-Johansson, Jenny

Ingår i Astronomy and Astrophysics, s. 373-377, 2005

The Hamburg/ESO R-process Enhanced Star survey (HERES).: I. Project description, and discovery of two stars with strong enhancements of neutron-capture elements

Christlieb, N.; Beers, T.C.; Barklem, Paul; Bessell, M.S. et al.

Ingår i Astronomy and Astrophysics, s. 1027-1037, 2004

HE0107, A Chemically Ancient Star.: I. A Detailed Abundance Analysis

Christlieb, N.; Gustafsson, B; Korn, A.J.; Barklem, Paul et al.

Ingår i The Astrophysical Journal, s. 708-728, 2004

Collisional depolarization and transfer rates of spectral lines by atomic hydrogen.: IV: Application to ionised atoms

Derouich, M.; Sahal-Bréchot, S.; Barklem, Paul

Ingår i Astronomy and Astrophysics, s. 707-715, 2004

S4N: A Spectroscopic Survey of Stars in the Solar Neighborhood

Allende Prieto, C.; Barklem, Paul; Lambert, D.L; Cunha, K.

Ingår i Astronomy and Astrophysics, s. 183-205, 2004

On the collisional depolarization and transfer rates of spectral lines by atomic hydrogen.: III: Application to f states of neutral atoms

Derouich, M.; Sahal-Bréchot, S.; Barklem, Paul

Ingår i Astronomy and Astrophysics, s. 373-376, 2004

Collisional broadening of Mg, Sr, Ca and Na resonance lines by atomic hydrogen

Kerkeni, B.; Barklem, Paul; Spielfiedel, A.; Feautrier, N.

Ingår i Journal of Physics B: Atomic, Molecular and Optical Physics, s. 677-688, 2004

Semi-classical theory of collisional depolarization of spectral lines by atomic hydrogen I. Application to p states of neutral atoms

Derouich, M.; Sahal-Bréchot, S.; Barklem, Paul; O'Mara, B. J.

Ingår i Astronomy & Astrophysics, s. 763-773, 2003

Inelastic H+Li and H-+Li+ collisions and non-LTE Li I line formation in stellar atmospheres

Barklem, Paul; Belyaev, A. K.; Asplund, M.

Ingår i Astronomy & Astrophysics, 2003

Accurate atomic parameters for near-infrared spectral lines

Borrero, J. M.; Bellot Rubio, L. R.; Barklem, Paul; del Toro Iniesta, J. C.

Ingår i Astronomy & Astrophysics, s. 749-762, 2003

Collisional depolarization and transfer rates of spectral lines by atomic hydrogen. II. Application to d states of neutral atoms

Derouich, M.; Sahal-Bréchot, S.; Barklem, Paul

Ingår i Astronomy & Astrophysics, s. 369-373, 2003

Cross sections for low-energy inelastic H+Li collisions

Belyaev, A. K.; Barklem, Paul

Ingår i Physical Review A, s. 2703, 2003

Detailed analysis of Balmer lines in cool dwarf stars

Barklem, Paul; Stempels, H.C.; Allende Prieto, C.; Kochukhov, Oleg et al.

Ingår i Astronomy & Astrophysics, s. 951, 2002

Interpretation of the Core-Wing Anomaly of Balmer line profiles of cool Ap stars

Kochukhov, Oleg; Bagnulo, S.; Barklem, Paul

Ingår i Astrophysical Journal Letters, s. 75-78, 2002

Abundance analysis of two late A-type stars HD 32115 and HD 37594

Bikmaev, I.F.; Ryabchikova, T.C.; Bruntt, H.; Musaev, F.A. et al.

Ingår i Astron. Astrophys., s. 537-546, 2002

A stellar relic from the early Milky Way

Christlieb, N.; Bessell, M. S.; Beers, T. C.; Gustafsson, B et al.

Ingår i Nature, s. 904-906, 2002

Comments on alternative calculations of the broadening of spectral lines of neutral sodium by H-atom collisions

Barklem, Paul; O'Mara, B.J.

Ingår i Journal of Physics B: Atomic, Molecular and Optical Physics, s. 4785-4799, 2001

Chemical Abundances from Inversions of Stellar Spectra: Analysis of Solar-Type Stars with Homogeneous and Static Model Atmospheres

Allende Prieto, C; Barklem, Paul; Asplund, M; Ruiz Cobo, B

Ingår i ASTROPHYSICAL JOURNAL, s. 830-851, 2001

A list of data for the broadening of metallic lines by neutral hydrogen collisions

Barklem, Paul; Piskunov, Nikolai; O'Mara, BJ

Ingår i ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES, s. 467-473, 2000

Self broadening of hydrogen lines: initial results

Barklem, Paul; Piskunov, Nikolai; O'Mara, BJ

Ingår i ASTRONOMY AND ASTROPHYSICS, 2000

Broadening of lines of BeII, SrII and BaII by collisions with hydrogen atoms and the solar abundance of strontium

Barklem, Paul; O'Mara, BJ

Ingår i MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, s. 535-540, 2000

Self-broadening in Balmer line wing formation in stellar atmospheres

Barklem, Paul; Piskunov, Nikolai; O'Mara, BJ

Ingår i ASTRONOMY AND ASTROPHYSICS, s. 1091-1105, 2000

Accurate abundance analysis of late-type stars: advances in atomic physics

Barklem, Paul S.

Ingår i The Astronomy and Astrophysics Review, 2016

• DOI för Accurate abundance analysis of late-type stars: advances in atomic physics

New Abundances for Old Stars – Atomic Diffusion at Work in NGC 6397

Korn, Andreas J.; Grundahl, Frank; Richard, Olivier; Barklem, Paul et al.

Ingår i The Messenger, s. 6-10, 2006

Negative ion relaxation and reactions in a cryogenic storage ring

Schmidt, H. T.; Rosen, S.; Thomas, R. D.; Stockett, M. H. et al.

Ingår i 31St International Conference On Photonic, Electronic And Atomic Collisions (Icpeac Xxxi), 2020

• DOI för Negative ion relaxation and reactions in a cryogenic storage ring

Final state resolved mutual neutralization of Li+ and D-

Eklund, G.; Grumer, Jon; Rosen, S.; Najeeb, P. K. et al.

Ingår i 31St International Conference On Photonic, Electronic And Atomic Collisions (Icpeac Xxxi), 2020

• DOI för Final state resolved mutual neutralization of Li+ and D-

Modelling the spectrum of Mg in cool stars

Barklem, Paul S.; Osorio, Yeisson Fabian Martinez

Ingår i XXII International Conference on Spectral Line Shapes (ICSLS 2014), 2014

• DOI för Modelling the spectrum of Mg in cool stars
• Ladda ner fulltext (pdf) av Modelling the spectrum of Mg in cool stars

Precise effective temperatures of solar analog stars

Cornejo-Espinoza, D.; Ramírez, I.; Barklem, P. S.; Guevara-Day, W.

Ingår i IAU Symposium, s. 328-331, 2012

• DOI för Precise effective temperatures of solar analog stars

Hydrogen Atom Collision Processes in Cool Stellar Atmospheres: Effects on Spectral Line Strengths and Measured Chemical Abundances in Old Stars

Barklem, Paul S.

Ingår i XXI INTERNATIONAL CONFERENCE ON SPECTRAL LINE SHAPES (ICSLS 2012), 2012

• DOI för Hydrogen Atom Collision Processes in Cool Stellar Atmospheres: Effects on Spectral Line Strengths and Measured Chemical Abundances in Old Stars

Multipole rates for atomic polarization studies: the case of complex atoms in non-spherically symmetric states colliding with atomic hydrogen.

Sahal-Brechot, S.; Derouich, M.; Bommier, V.; Barklem, Paul

s. 197, 2007

Pinning Down Gravitational Settling

Korn, Andreas; Piskunov, Nikolai; Barklem, Paul; Gustafsson, Bengt

Ingår i Chemical Abundances and Mixing in Stars in the Milky Way and its Satellites, s. 294, 2006

• DOI för Pinning Down Gravitational Settling

The frequency of Carbon-enhanced stars in HERES and SDSS

Beers, T.C.; Lucatello, S.; Marsteller, B.; Sivarani, T. et al.

Ingår i Proceedings of the International Symposium on Nuclear Astrophysics, 2006

Efficient searches for r-process-enhanced, metal-poor stars

Beers, T.C.; Barklem, Paul; Christlieb, Norbert; Hill, V.

Ingår i Nuclei in the Cosmos VIII, 2005

• DOI för Efficient searches for r-process-enhanced, metal-poor stars

The Hamburg/ESO R-process Enhanced Star survey (HERES).: Abundances

Barklem, Paul; Christlieb, Norbert; Beers, T.C.; Hill, V et al.

Ingår i From Lithium to Uranium: Elemental Tracers of Early Cosmic Evolution, IAU Symposium Proceedings of the international Astronomical Union 228, s. 439-443, 2005

The new record holder for the most iron-poor star: HE 1327 2326: A dwarf or subgiant with Fe/H = -5.4

Frebel, A; Aoki, W; Christlieb, N; Ando, H et al.

Ingår i From Lithium to Uranium: Elemental Tracers of Early Cosmic Evolution, 2005

Self-broadening of Balmer Lines Using Asymptotic Potentials: Application to Stellar Spectroscopy

Barklem, Paul

Ingår i 17th International Conference on Spectral Line Shapes, 2004

Accurate Atomic Parameters from the Solar Spectrum

Bellot Rubio, L. R.; Borrero, J. M.; Barklem, Paul; del Toro Iniesta, J. C.

Ingår i Frontiers of High Resolution Spectroscopy, 25th meeting of the IAU, Joint Discussion 20, 2003

Interpretation of the Core-Wing Anomaly of Balmer line profiles of cool Ap stars

Kochukhov, O; Bagnulo, S.; Barklem, Paul

Ingår i IAUS 210, Modelling of stellar atmospheres, 2003

Balmer lines and effective temperatures in cool stars

Barklem, Paul; Stempels, H.C.; Kochukhov, Oleg; Piskunov, Nikolai et al.

Ingår i 12th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, s. 1103, 2003

Ab initio cross sections for low-energy inelastic H+Li collisions

Belyaev, A; Barklem, Paul

2003

HERES: The Search for r-Process-Enhanced, Metal-Poor Stars

Beers, T. C.; Christlieb, Norbert; Bessell, M. S.; Hill, V. et al.

Ingår i Bulletin American Astronomical Society Meeting, 2003

Broadening of Spectral Lines by Collisions with H_atoms

O'Mara, B.J.; Barklem, Paul

Ingår i The Future of Cool-Star Astrophysics: 12th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, s. 1097-1102, 2003

Depolarization rates of spectral lines of neutral and singly ionised atoms by isotropic collisions with hydrogen atoms

Derouich, M.; Sahal-Bréchot, S.; Barklem, Paul

Ingår i SF2A-2003: Semaine de l'Astrophysique Française, meeting held in Bordeaux, France, June 16-20, 2003., 2003

Hydrogen Balmer Lines as Probes of Stellar Atmospheres

Barklem, Paul; Piskunov, Nikolai

Ingår i IAUS 210, Modelling of stellar atmospheres, 2003

Heres: the Search for R-Process Enhanced, Metal-Poor Stars

Beers, T. C.; Christlieb, Norbert; Bessell, M. S.; Hill, V. et al.

Ingår i Elemental Abundances in Old Stars and Damped Lyman-α Systems, 25th meeting of the IAU, Joint Discussion 15, 2003

Hydrogen Line Formation in Cool Stars

Barklem, Paul; Kochukhov, Oleg; Piskunov, Nikolai; O'Mara, B. J. et al.

Ingår i 11th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun, s. 766, 2001

Recent Developments of the VALD Database

Stempels, H.C.; Piskunov, Nikolai; Barklem, Paul

Ingår i 11th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun, s. 878, 2001

Broadening of Spectral Lines of Singly Ionised Atoms by Collisions with Neutral Hydrogen Atoms

Barklem, Paul; O'Mara, B.J.

Ingår i 11th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun, ASP Conference Proceedings, Vol. 223., s. 772, 2001

Mg line formation in late-type stellar atmospheres: II. Calculations in a grid of 1D models

Martinez Osorio, Yeisson Fabian; Barklem, Paul