The R-Process Alliance: 2MASS J22132050-5137385, the Star with the Highest-known r-process Enhancement at [Eu/Fe] = +2.45
Fuente:
arXiv
Saved in:
| Main Authors: | Roederer, Ian U., Beers, Timothy C., Hattori, Kohei, Placco, Vinicius M., Hansen, Terese T., Ezzeddine, Rana, Frebel, Anna, Holmbeck, Erika M., Sakari, Charli M. |
|---|---|
| Format: | Preprint |
| Published: |
2024
|
| Subjects: | |
| Online Access: | |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
Similar Items
The R-Process Alliance: Hunting for gold in the near-UV spectrum of 2MASS J05383296-5904280
by: Hansen, Terese T., et al.
Published: (2025)
by: Hansen, Terese T., et al.
Published: (2025)
The $R$-Process Alliance: Detailed Composition of an $R$-Process Enhanced Star with UV and Optical Spectroscopy
by: Shah, Shivani P., et al.
Published: (2024)
by: Shah, Shivani P., et al.
Published: (2024)
The \emph{R}-process Alliance: A Bright, Strongly \emph{R}-process-enhanced Extremely Metal-poor Star Observed with GHOST
by: Mardini, Mohammad K., et al.
Published: (2026)
by: Mardini, Mohammad K., et al.
Published: (2026)
The R-Process Alliance: Analysis of Limited-r Stars
by: Xylakis-Dornbusch, T., et al.
Published: (2024)
by: Xylakis-Dornbusch, T., et al.
Published: (2024)
Discovery of a Metal-Poor Red Giant Star with the Highest Ultra-Lithium Enhancement
by: Kowkabany, Jeremy, et al.
Published: (2022)
by: Kowkabany, Jeremy, et al.
Published: (2022)
The $R$-Process Alliance: Enrichment of $r$-process Elements in a Simulated Milky Way-like Galaxy
by: Hirai, Yutaka, et al.
Published: (2024)
by: Hirai, Yutaka, et al.
Published: (2024)
The $R$-Process Alliance: The $R$-Process Enhancement of Stars from Chemodynamically Tagged Groups in the Milky Way Halo
by: Agnos, Jessica Merritt, et al.
Published: (2026)
by: Agnos, Jessica Merritt, et al.
Published: (2026)
The R-Process Alliance: Fifth Data Release from the Search for R-Process-Enhanced Metal-poor Stars in the Galactic Halo with the GTC
by: Bandyopadhyay, Avrajit, et al.
Published: (2024)
by: Bandyopadhyay, Avrajit, et al.
Published: (2024)
The R-Process Alliance: Exploring the cosmic scatter among ten r-process sites with stellar abundances
by: Racca, Mila, et al.
Published: (2025)
by: Racca, Mila, et al.
Published: (2025)
The $R$-Process Alliance: Actinide Abundances, Variation, and Evolution in Metal-Poor Stars
by: Shah, Shivani P., et al.
Published: (2026)
by: Shah, Shivani P., et al.
Published: (2026)
Habitable Worlds Observatory: The Nature of the Astrophysical r-process
by: Roederer, Ian U., et al.
Published: (2025)
by: Roederer, Ian U., et al.
Published: (2025)
Probing Abundance Variations among Multiple Stellar Populations in the Metal-Poor Globular Cluster NGC 2298 using Gemini-South/GHOST
by: Bandyopadhyay, Avrajit, et al.
Published: (2025)
by: Bandyopadhyay, Avrajit, et al.
Published: (2025)
Habitable Worlds Observatory: The Nature of the First Stars
by: Roederer, Ian U., et al.
Published: (2025)
by: Roederer, Ian U., et al.
Published: (2025)
The ratio of [Eu/$α$] differentiates accreted/in-situ Milky Way stars across metallicities, as indicated by both field stars and globular clusters
by: Monty, Stephanie, et al.
Published: (2024)
by: Monty, Stephanie, et al.
Published: (2024)
Abundances of Rarely Detected s-process Elements Derived from the Ultraviolet Spectrum of the s-process-enhanced Metal-poor Star HD 196944
by: Roederer, Ian U., et al.
Published: (2025)
by: Roederer, Ian U., et al.
Published: (2025)
A chemodynamical analysis of bright metal-poor stars from the HESP-GOMPA survey -- Indications of a non-prevailing site for light r-process elements
by: Bandyopadhyay, Avrajit, et al.
Published: (2024)
by: Bandyopadhyay, Avrajit, et al.
Published: (2024)
Dynamical clock of the Helmi stream -- Analysis of the clumping of stars in the orbital frequency-space
by: Hattori, Kohei
Published: (2026)
by: Hattori, Kohei
Published: (2026)
Metallicity and $α$-abundance for 48 million stars in low-extinction regions in the Milky Way
by: Hattori, Kohei
Published: (2024)
by: Hattori, Kohei
Published: (2024)
Abundances of Neutron-Capture Elements in 62 Stars in the Globular Cluster Messier 15
by: Garcia, Jonathan Cabrera, et al.
Published: (2024)
by: Garcia, Jonathan Cabrera, et al.
Published: (2024)
BD+44 493: Chemo-Dynamical Analysis and Constraints on Companion Planetary Masses from WIYN/NEID Spectroscopy
by: Placco, Vinicius M., et al.
Published: (2024)
by: Placco, Vinicius M., et al.
Published: (2024)
Stellar characterization with photometric colors from J-PLUS and 2MASS surveys
by: Aguilar, J. F., et al.
Published: (2026)
by: Aguilar, J. F., et al.
Published: (2026)
Gas properties as a function of environment in the proto-supercluster Hyperion at z ~ 2.45
by: Gururajan, G., et al.
Published: (2025)
by: Gururajan, G., et al.
Published: (2025)
Discovery of an Extremely r-process-enhanced Thin-disk Star with [Eu/H] = +0.78
by: Xie, Xiao-Jin, et al.
Published: (2024)
by: Xie, Xiao-Jin, et al.
Published: (2024)
Discovery of an $\rm[Fe/H] \sim -4.8$ Star in $Gaia$ XP Spectra
by: Limberg, Guilherme, et al.
Published: (2025)
by: Limberg, Guilherme, et al.
Published: (2025)
NLTE abundances of Eu for a sample of metal-poor stars in the Galactic Halo and Metal-poor Disk with 1D and <3D> models
by: Guo, Yanjun, et al.
Published: (2024)
by: Guo, Yanjun, et al.
Published: (2024)
Evidence for symbiotic nature of 2MASS J21012803+4555377
by: Tatarnikov, A. M., et al.
Published: (2025)
by: Tatarnikov, A. M., et al.
Published: (2025)
Metal-Poor Stars in the Milky Way System
by: Frebel, Anna
Published: (2024)
by: Frebel, Anna
Published: (2024)
New Stellar Parameters, Metallicities, and Elemental Abundance Ratios for 311 Metal-Poor Stars
by: Mittal, Sanil, et al.
Published: (2025)
by: Mittal, Sanil, et al.
Published: (2025)
Early r-process Enrichment and Hierarchical Assembly Across the Sagittarius Dwarf Galaxy
by: Ou, Xiaowei, et al.
Published: (2025)
by: Ou, Xiaowei, et al.
Published: (2025)
Trials and Tribulations of Chemodynamical Tagging: Investigating the Recovery of Open Clusters in the Gaia DR3-GALAH DR4 Catalog
by: Barth, Nicholas A., et al.
Published: (2025)
by: Barth, Nicholas A., et al.
Published: (2025)
Quantifying Element Importance for Mass Recovery from Population III Supernova Yield Fits
by: Zhang, Zhongyuan, et al.
Published: (2026)
by: Zhang, Zhongyuan, et al.
Published: (2026)
Star Formation Shut Down by Multiphase Gas Outflow in a Galaxy at a Redshift of 2.45
by: Belli, Sirio, et al.
Published: (2023)
by: Belli, Sirio, et al.
Published: (2023)
HE0144-4657: A Carbon-Enhanced Ultra Metal-Poor Star ([Fe/H] ~ -4.1) from the Helmi Stream Disrupted Dwarf Galaxy
by: Placco, Vinicius M., et al.
Published: (2026)
by: Placco, Vinicius M., et al.
Published: (2026)
Detection of gas inflow during the onset of a starburst in a low-mass galaxy at z=2.45
by: Coleman, Erin, et al.
Published: (2024)
by: Coleman, Erin, et al.
Published: (2024)
Carbon-Enhanced Metal-Poor Star Candidates in the Milky Way from J-PLUS and S-PLUS
by: Hong, Jihye, et al.
Published: (2026)
by: Hong, Jihye, et al.
Published: (2026)
A Strontium-rich Ultra Metal-poor Star in the Atari Disk Component
by: Mardini, Mohammad K., et al.
Published: (2024)
by: Mardini, Mohammad K., et al.
Published: (2024)
Deciphering the Origins of the Elements Through Galactic Archeology
by: Farouqi, Khalil, et al.
Published: (2025)
by: Farouqi, Khalil, et al.
Published: (2025)
Low-resolution spectroscopic characterisation of five poorly known Galactic stellar clusters
by: Ceccarelli, E., et al.
Published: (2026)
by: Ceccarelli, E., et al.
Published: (2026)
Orbital motion and dynamical mass of the complex periodic variable binary system 2MASS J05082729-2101444
by: Curiel, S., et al.
Published: (2026)
by: Curiel, S., et al.
Published: (2026)
Stellar Abundances at the Center of Early Type Galaxies with Fine Structure
by: Barth, Nicholas, et al.
Published: (2024)
by: Barth, Nicholas, et al.
Published: (2024)
Similar Items
-
The R-Process Alliance: Hunting for gold in the near-UV spectrum of 2MASS J05383296-5904280
by: Hansen, Terese T., et al.
Published: (2025) -
The $R$-Process Alliance: Detailed Composition of an $R$-Process Enhanced Star with UV and Optical Spectroscopy
by: Shah, Shivani P., et al.
Published: (2024) -
The \emph{R}-process Alliance: A Bright, Strongly \emph{R}-process-enhanced Extremely Metal-poor Star Observed with GHOST
by: Mardini, Mohammad K., et al.
Published: (2026) -
The R-Process Alliance: Analysis of Limited-r Stars
by: Xylakis-Dornbusch, T., et al.
Published: (2024) -
Discovery of a Metal-Poor Red Giant Star with the Highest Ultra-Lithium Enhancement
by: Kowkabany, Jeremy, et al.
Published: (2022)