Segue Virtual Journal

JINA - Segue Virtual Journal, 18 April 2025

Volume 20, Issue 8 (35 Articles)

# 1 - Characterizing the Palomar 5 Stream: HDBSCAN Analysis and Galactic Halo Constraints
- Yun-Ao Xiao, Hu Zou, Lu Feng, Wei-Jian Guo, Niu Li, Wen-Xiong Li, Shu-Fei Liu, Gaurav Singh, Ji-Peng Sui, Jia-Li Wang, Sui-Jian Xue
- https://arxiv.org/abs/2504.09964
# 2 - Hidden deep in the halo: selection of a reduced proper motion halo catalogue and mining retrograde streams in the velocity space
- Akshara Viswanathan, Else Starkenburg, Helmer H. Koppelman, Amina Helmi, Eduardo Balbinot, Anna F. Esselink
- https://arxiv.org/abs/2302.00053
# 3 - How to use Gaia parallaxes for stars with poor astrometric fits
- Kareem El-Badry
- https://arxiv.org/abs/2504.11528
# 4 - How well can we unravel the accreted constituents of the Milky Way stellar halo? A test on cosmological hydrodynamical simulations
- Guillaume F. Thomas, Giuseppina Battaglia, Robert J. J. Grand, Amanda Aguiar 'Alvarez
- https://arxiv.org/abs/2504.10398
# 5 - Spectroscopic r-Process Abundance Retrieval for Kilonovae III: Self-Consistent Spectral and Light Curve Modeling of the GW170817 Kilonova
- Nicholas Vieira, John J. Ruan, Daryl Haggard, Maria R. Drout, Rodrigo Fern'andez
- https://arxiv.org/abs/2504.10696
# 6 - Stellar Ages: A Code to Infer Properties of Stellar Populations
- Joseph J. Guzman, Jeremiah W. Murphy, Andres F. Barrientos, Benjamin F. Williams, Julianne J. Dalcanton
- https://arxiv.org/abs/2502.09703
# 7 - Steven Weinberg: A Scientific Life
- C. P. Burgess, F. Quevedo
- https://arxiv.org/abs/2502.10979
# 8 - The Chemical Evolution of Galaxies
- Mirko Curti
- https://arxiv.org/abs/2504.08933
# 9 - The Cocytos Stream: A Disrupted Globular Cluster from our Last Major Merger?
- Christian Aganze, Vedant Chandra, Risa H. Wechsler, Ting S. Li, Sergey E. Koposov, Leandro Beraldo Silva, Andreia Carrillo, Alexander H. Riley, Monica Valluri, Oleg Y. Gnedin, Mairead Heiger, Constance Rockosi, Raymond Carlberg, Amanda Bystr"om, Namitha Kizhuprakkat, Mika Lambert, Bokyoung Kim, Gustavo Medina Toledo, Carlos Allende Prieto, Jessica Nicole Aguilar, Steven Ahlen, Davide Bianchi, David Brooks, Todd T. Claybaugh, Andrew P. Cooper, Axel de la Macorra, Arjun Dey, Peter Doel, Jaime E. Forero-Romero, Enrique Gazta~naga, Satya A. Gontcho, Gaston Gutierrez, Mustapha Ishak, Theodore Kisner, Anthony Kremin, Ofer Lahav, Martin Landriau, Laurent Le Guillou, Aaron Meisner, Ramon Miquel, Nathalie Palanque-Delabrouille, Francisco Prada, Ignasi P'erez-R`afols, Graziano Rossi, Eusebio Sanchez, Michael Schubnell, David Sprayberry, Gregory Tarl'e, Benjamin A. Weaver, Hu Zou
- https://arxiv.org/abs/2504.11687
# 10 - The Pristine survey: XXVIII. The extremely metal-poor stream C-19 stretches over more than 100 degrees
- Zhen Yuan, Tadafumi Matsuno, Tatyana Sitnova, Nicolas F. Martin, Rodrigo A. Ibata, Anke Ardern-Arentsen, Raymond Carlberg, Jonay I. Gonzalez Hernandez, Erika Holmbeck, Georges Kordopatis, Fangzhou Jiang, Khyati Malhan, Julio Navarro, Federico Sestito, Kim A. Venn, Akshara Viswanathan, Sara Vitali
- https://arxiv.org/abs/2502.09710
# 11 - Unveiling a young thick disk in the Milky Way
- Jianhui Lian (Yunnan Uni.), Min Du (Xiamen Uni.), Shuai Lu (Xiamen Uni.), Bingqiu Chen (Yunnan Uni.), Gail Zasowski (Uni. of Utah), Zhaoyu Li (Shanghai Jiao Tong Uni.), Xiaojie Liao (Shanghai Jiao Tong Uni.), Chao Liu (National Astronomical Observatories, CAS)
- https://arxiv.org/abs/2504.10869
# 12 - New Stellar Parameters, Metallicities, and Elemental Abundance Ratios for 311 Metal-poor Stars
- Sanil Mittal, Ian U. Roederer
- Astronomical Journal
- https://doi.org/10.3847/1538-3881/adadf0
# 13 - Star Proper Motions Based on Two-epoch Observations from the SDSS and DESI Imaging Surveys
- Yun-Ao Xiao, Hu Zou, Xin Xu, Lu Feng, Wei-Jian Guo, Wen-Xiong Li, Shu-Fei Liu, Zhi-Xia Shen, Gaurav Singh, Ji-Peng Sui
- Astronomical Journal
- https://doi.org/10.3847/1538-3881/adb72c
# 14 - Origin of the elements
- https://link.springer.com/article/10.1007/s00159-022-00146-x
# 15 - The formation and cosmic evolution of dust in the early Universe: I. Dust sources
- https://link.springer.com/article/10.1007/s00159-024-00151-2
# 16 - Demographics of the inner Milky Way
- Bokyoung Kim
- Nature Astronomy
- https://www.nature.com/articles/s41550-025-02544-4
# 17 - Lithium in white dwarfs from the Big Bang
- Bokyoung Kim
- Nature Astronomy
- https://www.nature.com/articles/s41550-025-02496-9
# 18 - Stream Members Only: Data-driven Characterization of Stellar Streams with Mixture Density Networks
- Nathaniel Starkman, Jacob Nibauer, Jo Bovy, Jeremy J. Webb, Kiyan Tavangar, Adrian Price-Whelan, Ana Bonaca
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/ad94f2
# 19 - Discovery of Weak CN Stars in the Large Magellanic Cloud and Comparison to Stellar Models
- Douglas Grion Filho, Puragra Guhathakurta, Stanley M. Rinehart V, Leo Girardi, Paola Marigo, Antara R. Bhattacharya, Knut Olsen
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/adb030
# 20 - Origin of α-poor Very Metal-poor Stars
- S. K. Jeena, Projjwal Banerjee
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/adb0c5
# 21 - Spatial Variations of Stellar Elemental Abundances in FIRE Simulations of Milky Way-mass Galaxies: Patterns Today Mostly Reflect Those at Formation
- Russell L. Graf, Andrew Wetzel, Matthew A. Bellardini, Jeremy Bailin
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/adacd7
# 22 - A Study of Abundance Patterns in the Sextans and Sculptor Dwarf Spheroidal Galaxies
- Shuaishuai Yang, Shichao Zhang, Lu Zhang, Hongjie Li
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/adb57c
# 23 - Barium Abundances of Common Stars in the Gaia-ESO Survey and the LAMOST Medium-resolution Survey
- Tian-Yi Chen, Jian-Rong Shi, Hong-Liang Yan, Shuai Liu, Chun-Qian Li, Xiao-Jin Xie, Ze-Ming Zhou, Yao-Jia Tang, Ming-Yi Ding
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/adbbe0
# 24 - Carbon Stars from Gaia Data Release 3 and the Space Density of Dwarf Carbon Stars
- Benjamin R. Roulston, Naunet Leonhardes-Barboza, Paul J. Green, Evan Portnoi
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/adba53
# 25 - Rising from the Ashes: A Metallicity-dependent Star Formation Gap Splits the Milky Way's α Sequences
- Angus Beane
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/adb83e
# 26 - The Neutron Star Merger Delay-time Distribution, R-process "Knees," and the Metal Budget of the Galaxy
- Dan Maoz, Ehud Nakar
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/ada3bd
# 27 - Where Has All the R-process Gone? Timescales for Gamma-Ray Burst Kilonovae to Enrich Their Host Galaxies
- Anya E. Nugent, Alexander P. Ji, Wen-fai Fong, Hilay Shah, Freeke van de Voort
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/adbb6a
# 28 - Jormungandr: A Large Substructure Circling the Milky Way Identified from Gaia DR3 Data
- Xianhao Ye, Gang Zhao, Carlos Allende Prieto, Jingkun Zhao, Yong Yang, Wenbo Wu
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/adbc5f
# 29 - The Distant Milky Way Halo from the Southern Hemisphere: Characterization of the LMC-induced Dynamical Friction Wake
- Manuel Cavieres, Julio ChanamÃ©, Camila Navarrete, Yasna Ordenes-BriceÃ±o, NicolÃ¡s Garavito-Camargo, Gurtina Besla, Maren Hempel, A. Katherina Vivas, Facundo GÃ³mez
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/adbf08
# 30 - SIRIUS: Identifying Metal-poor Stars Enriched by a Single Supernova in a Dwarf Galaxy Cosmological Zoom-in Simulation Resolving Individual Massive Stars
- Yutaka Hirai, Takayuki R. Saitoh, Michiko S. Fujii, Katsuhiro Kaneko, Timothy C. Beers
- The Astrophysical Journal Letters
- https://doi.org/10.3847/2041-8213/adaf95
# 31 - A Catalog of 12,766 Carbon-enhanced Metal-poor Stars from LAMOST Data Release 8
- Ziyu Fang, Xiangru Li, Haining Li
- The Astrophysical Journal Supplement
- https://doi.org/10.3847/1538-4365/adb30a
# 32 - Photometric Stellar Parameters for 195,478 Kepler Input Catalog Stars
- Bowen Zhang, Yang Huang, Timothy C. Beers, Kai Xiao, Jifeng Liu, Lei Jia, Henggeng Han, Zhirui Li, Chuanjie Zheng, Yongkang Sun
- The Astrophysical Journal Supplement
- https://doi.org/10.3847/1538-4365/ada3ba
# 33 - Stellar Loci. VIII. Photometric Metallicities for 100 Million Stars Based on Synthetic Gaia Colors
- Bowen Huang, Haibo Yuan, Shuai Xu, Kai Xiao, Maosheng Xiang, Yang Huang, Timothy C. Beers
- The Astrophysical Journal Supplement
- https://doi.org/10.3847/1538-4365/ada9e6
# 34 - The S-PLUS Ultra-short Survey: Photometric Recalibration with the Best Star Database
- Xiaolu Li, Kai Xiao, Yang Huang, Haibo Yuan, Yanke Tang, Timothy C. Beers, Bowen Huang, Mingyang Ma, Pedro K. Humire, Alvaro Alvarez-Candal
- The Astrophysical Journal Supplement
- https://doi.org/10.3847/1538-4365/adaf27
# 35 - The Stellar Abundances and Galactic Evolution Survey (SAGES). II. Machine Learning–based Stellar Parameters for 21 Million Stars from the First Data Release
- Hongrui Gu, Zhou Fan, Gang Zhao, Huang Yang, Timothy C. Beers, Wei Wang, Jie Zheng, Jingkun Zhao, Chun Li, Yuqin Chen
- The Astrophysical Journal Supplement
- https://doi.org/10.3847/1538-4365/adae86