Cover Image

3D non-LTE Ca II line formation in metal-poor FGK stars. I. Abundance corrections, radial velocity corrections, and synthetic spectra

Fuente: arXiv

Saved in:

Bibliographic Details
Main Authors:	Lagae, Cis, Amarsi, Anish M., Lind, Karin
Format:	Preprint
Published:	2025
Subjects:	Solar and Stellar Astrophysics Astrophysics of Galaxies
Online Access:	Acceder al recurso
Tags:	Add Tag No Tags, Be the first to tag this record!

Similar Items

3D non-LTE abundance analyses of late-type stars
by: Lind, Karin, et al.
Published: (2024)

3D NLTE Sodium abundances in late-type stars. Abundance corrections and synthetic spectra
by: Canocchi, G., et al.
Published: (2026)

Investigating non-LTE abundances of Neodymium (Nd) in metal-poor FGK stars
by: Dixon, John D., et al.
Published: (2025)

The intrinsic dispersion of elemental abundance ratios in nearby metal-poor halo stars
by: Nissen, Poul Erik, et al.
Published: (2026)

Understanding an origin of palladium in metal-poor stars based on the non-LTE analysis of Pd~I lines
by: Mashonkina, L., et al.
Published: (2025)

An extended and refined grid of 3D STAGGER model atmospheres. Processed snapshots for stellar spectroscopy
by: Díaz, Luisa F. Rodríguez, et al.
Published: (2024)

Ag I model atom and the 3D non-LTE solar silver abundance
by: Caliskan, Sema, et al.
Published: (2026)

Large databases of metal-poor stars corrected for three-dimensional and/or non-local thermodynamic equilibrium effects
by: Koutsouridou, I., et al.
Published: (2025)

Revisiting inelastic Cu+H collisions and the non-LTE Galactic evolution of copper
by: Caliskan, S., et al.
Published: (2025)

Non-LTE corrections for determinations of europium abundances in F-G-K stars in a broad metallicity range
by: Mashonkina, L. I., et al.
Published: (2026)

Titanium abundances in late-type stars, II. Grid of departure coefficients and application to a sample of $70\,000$ stars
by: Mallinson, J. W. E., et al.
Published: (2024)

Towards understanding stellar variability at the sub m/s level: Isolating granulation signals in synthetic spectral lines
by: Frame, Ginger, et al.
Published: (2025)

A distinct halo population revealed from 3D non-LTE magnesium abundances
by: Matsuno, T., et al.
Published: (2024)

The solar beryllium abundance revisited with 3D non-LTE models
by: Amarsi, A. M., et al.
Published: (2024)

Homogeneous Stellar Atmospheric Parameters and 22 Elemental Abundances for FGK Stars Derived From LAMOST Low-resolution Spectra with DD-Payne
by: Zhang, Meng, et al.
Published: (2025)

Revisiting the statistical equilibrium of H$^-$ in stellar atmospheres
by: Barklem, Paul S., et al.
Published: (2024)

The solar sulphur abundance in view of large-scale atomic structure calculations and 3D non-LTE models
by: Amarsi, A. M., et al.
Published: (2025)

Predicting metallicities and carbon abundances from Gaia XP spectra for (carbon-enhanced) metal-poor stars
by: Ardern-Arentsen, Anke, et al.
Published: (2024)

SPICE -- modelling synthetic spectra of stars with non-homogeneous surfaces
by: Jabłońska, M., et al.
Published: (2025)

Synthetic disk-integrated absorption lines isolating stellar granulation for high-precision RV studies
by: Frame, Ginger, et al.
Published: (2026)

Probing the early Milky Way with GHOST spectra of an extremely metal-poor star in the Galactic disk
by: Dovgal, Anya, et al.
Published: (2023)

An improved correction of radial-velocity systematic for the SOPHIE spectrograph
by: Grouffal, S., et al.
Published: (2024)

Revisiting Ca II Activity Indices in FGK Stars: Systematic Biases in Infrared Triplet Measurements
by: Yang, Xiaozhen, et al.
Published: (2026)

Elemental abundances of 44 very metal-poor stars determined from Subaru/IRD near-infrared spectra
by: Aoki, Wako, et al.
Published: (2025)

Radial velocities of narrow emission line components in the spectra of T Tauri stars
by: Kiryukhina, V. A., et al.
Published: (2024)

Gaia FGK Benchmark Stars: Selecting Infrared Lines for Abundance Determination
by: Elgueta, Scarlet, et al.
Published: (2026)

Gaia FGK Benchmark Stars: Impact of Spectral Resolution on Stellar Abundances
by: Hernández-Araya, Ivanna, et al.
Published: (2026)

The wide binary frequency of metal-poor stars
by: Lodieu, N., et al.
Published: (2025)

Precise boron abundance in a sample of metal-poor stars from far-ultraviolet lines
by: Spite, Monique, et al.
Published: (2025)

Three-dimensional non-LTE radiative transfer effects in Fe I lines IV. Line formation at high spatial resolution
by: Holzreuter, R., et al.
Published: (2025)

Behaviors of Ca II K line in A-type stars
by: Takeda, Yoichi
Published: (2020)

The Gaia-ESO Survey: The DR5 analysis of the medium-resolution GIRAFFE and high-resolution UVES spectra of FGK-type stars
by: Worley, C. C., et al.
Published: (2024)

Estimation of radial velocities of BHB stars
by: Ramezani, Tahereh, et al.
Published: (2024)

Abundance Analysis of Chemically Depleted Post-AGB/Post-RGB Binaries with Faint Discs
by: Mohorian, Maksym, et al.
Published: (2025)

Chemical Abundances for a Sample of FGK dwarfs in the Pleiades Open Cluster from APOGEE
by: Grilo, Vinicius, et al.
Published: (2024)

Mapping the Milky Way with Gaia Bp/Rp spectra I: Systematic flux corrections and atmospheric parameters for 68 million stars
by: Ye, Xianhao, et al.
Published: (2024)

Gaia FGK benchmark stars: abundances of \textit{n}-capture elements of the third version
by: Vitali, S., et al.
Published: (2026)

Spectral characteristics of fast rotating metal-poor massive stars
by: Kubátová, Brankica, et al.
Published: (2026)

A search for black holes with metal-poor stellar companions: I. Survey sample selection and single epoch radial velocity follow-up
by: Lam, Casey Y., et al.
Published: (2025)

Extremely metal-poor stars in the Fornax and Carina dwarf spheroidal galaxies
by: Lucchesi, R., et al.
Published: (2023)