Discovery of an $\rm[Fe/H] \sim -4.8$ Star in $Gaia$ XP Spectra
Fuente:
arXiv
Saved in:
| Main Authors: | Limberg, Guilherme, Placco, Vinicius M., Ji, Alexander P., Yao, Yupeng, Chiti, Anirudh, Mardini, Mohammad K., Frebel, Anna, Rossi, Silvia |
|---|---|
| Format: | Preprint |
| Published: |
2025
|
| Subjects: | |
| Online Access: | |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
Similar Items
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)
200,000 Candidate Very Metal-poor Stars in Gaia DR3 XP Spectra
by: Yao, Yupeng, et al.
Published: (2023)
by: Yao, Yupeng, et al.
Published: (2023)
Enrichment by Extragalactic First Stars in the Large Magellanic Cloud
by: Chiti, Anirudh, et al.
Published: (2024)
by: Chiti, Anirudh, et al.
Published: (2024)
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)
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 Rise of the $R$-Process in the Gaia-Sausage/Enceladus Dwarf Galaxy
by: Ou, Xiaowei, et al.
Published: (2024)
by: Ou, Xiaowei, et al.
Published: (2024)
Filter Design for Estimating the Stellar Metallicity of Metal-poor Stars from Gaia XP Spectra
by: Shi, Ruifeng, et al.
Published: (2026)
by: Shi, Ruifeng, et al.
Published: (2026)
Spectroscopic Bolometric Corrections and Empirical Zero-point Constants of \textit{Gaia} Magnitudes, $G$, $G_{\rm BP}$, and $G_{\rm RP}$, from \textit{Gaia} XP Spectra
by: Eker, Zeki, et al.
Published: (2026)
by: Eker, Zeki, et al.
Published: (2026)
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)
A Bimodal Metallicity Distribution Function in the Ultra-Faint Dwarf Galaxy Reticulum II
by: Luna, Alice M., et al.
Published: (2025)
by: Luna, Alice M., et al.
Published: (2025)
Evaluating Classifications of Extremely Metal-poor Candidates Selected from Gaia XP Spectra
by: Thai, Riley, et al.
Published: (2026)
by: Thai, Riley, et al.
Published: (2026)
Potential of Gaia XP Spectra in Red Giant Star Asteroseismology: A Deep-Learning Approach
by: Barman, Rajarshi, et al.
Published: (2026)
by: Barman, Rajarshi, et al.
Published: (2026)
Metallicities of 20 Million Giant Stars Based on Gaia XP spectra
by: Yang, Lin, et al.
Published: (2025)
by: Yang, Lin, et al.
Published: (2025)
Filter Design for Estimation of Stellar Metallicity: Insights from Experiments with Gaia XP Spectra
by: Xiao, Kai, et al.
Published: (2024)
by: Xiao, Kai, et al.
Published: (2024)
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)
Spectro-Photometry and Radial Distribution of Multiple Stellar Populations in Globular Clusters from Gaia XP Spectra
by: Mehta, V. J., et al.
Published: (2024)
by: Mehta, V. J., et al.
Published: (2024)
The R-Process Alliance: 2MASS J22132050-5137385, the Star with the Highest-known r-process Enhancement at [Eu/Fe] = +2.45
by: Roederer, Ian U., et al.
Published: (2024)
by: Roederer, Ian U., et al.
Published: (2024)
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)
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)
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)
Hunting for Polluted White Dwarfs and Other Treasures with Gaia XP Spectra and Unsupervised Machine Learning
by: Kao, Malia L., et al.
Published: (2024)
by: Kao, Malia L., et al.
Published: (2024)
Star formation and accretion rates within 500 pc as traced by Gaia DR3 XP spectra
by: Delfini, L., et al.
Published: (2025)
by: Delfini, L., 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 DECam MAGIC Survey: Spectroscopic Follow-up of the Most Metal-Poor Stars in the Distant Milky Way Halo
by: Placco, Vinicius M., et al.
Published: (2025)
by: Placco, Vinicius M., et al.
Published: (2025)
A comprehensive correction of the Gaia DR3 XP spectra
by: Huang, Bowen, et al.
Published: (2024)
by: Huang, Bowen, et al.
Published: (2024)
Millions of Main-Sequence Binary Stars from Gaia BP/RP Spectra
by: Li, Jiadong, et al.
Published: (2025)
by: Li, Jiadong, et al.
Published: (2025)
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)
Identification of BHB stars using Synthetic SkyMapper colors from Gaia XP spectra
by: Hu, Guozhen, et al.
Published: (2025)
by: Hu, Guozhen, et al.
Published: (2025)
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)
Predicting metallicities and carbon abundances from Gaia XP spectra for (carbon-enhanced) metal-poor stars
by: Ardern-Arentsen, Anke, et al.
Published: (2024)
by: Ardern-Arentsen, Anke, et al.
Published: (2024)
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)
Transferring spectroscopic stellar labels to 217 million Gaia DR3 XP stars with SHBoost
by: Khalatyan, A., et al.
Published: (2024)
by: Khalatyan, A., et al.
Published: (2024)
Searching for Galactic Red Supergiants with Gaia RVS Spectra
by: Zhang, Zehao, et al.
Published: (2024)
by: Zhang, Zehao, et al.
Published: (2024)
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)
The Gaia Catalogue of Galactic AGB Stars
by: Martí, Belén López, et al.
Published: (2025)
by: Martí, Belén López, et al.
Published: (2025)
The DECam MAGIC Survey: A Wide-field Photometric Metallicity Study of the Sculptor Dwarf Spheroidal Galaxy
by: Barbosa, Fabrícia O., et al.
Published: (2025)
by: Barbosa, Fabrícia O., et al.
Published: (2025)
Finding rare classes in large datasets: the case of polluted white dwarfs from Gaia XP spectra
by: Byrne, Xander, et al.
Published: (2025)
by: Byrne, Xander, et al.
Published: (2025)
Detection of hot subdwarf binaries and sdB stars using machine learning methods and a large sample of Gaia XP spectra
by: Ambrosch, M., et al.
Published: (2026)
by: Ambrosch, M., et al.
Published: (2026)
Not-so-heavy metal(s): Chemical Abundances in the Ultra-faint Dwarf Galaxies Eridanus IV and Centaurus I
by: Heiger, Mairéad E, et al.
Published: (2025)
by: Heiger, Mairéad E, et al.
Published: (2025)
Gaia FGK Benchmark Stars: spectral library, metallicities and abundances of $α$ and Fe-peak elements of the third version
by: Casamiquela, L., et al.
Published: (2025)
by: Casamiquela, L., et al.
Published: (2025)
Similar Items
-
A Strontium-rich Ultra Metal-poor Star in the Atari Disk Component
by: Mardini, Mohammad K., et al.
Published: (2024) -
200,000 Candidate Very Metal-poor Stars in Gaia DR3 XP Spectra
by: Yao, Yupeng, et al.
Published: (2023) -
Enrichment by Extragalactic First Stars in the Large Magellanic Cloud
by: Chiti, Anirudh, et al.
Published: (2024) -
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) -
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)