Astrophysics of Galaxies

Authors and titles for April 2025

[501] arXiv:2504.17738 (cross-list from astro-ph.SR) [cn-pdf, pdf, html, other]

Title: Asteroseismology of blue stragglers in $ω$ Centauri: the case of five double-mode radial SX Phoenicis pulsators Show Chinese title

Title: 半人马座$\omega$蓝离散星的振荡学：五个双模式径向SX Phoenicis脉动变星案例研究

J. Daszyńska-Daszkiewicz, P. Walczak, P. Góra, W. Szewczuk

Comments: Accepted for the publication in MNRAS

Subjects: Solar and Stellar Astrophysics (astro-ph.SR) ; Astrophysics of Galaxies (astro-ph.GA)

[502] arXiv:2504.17839 (cross-list from astro-ph.CO) [cn-pdf, pdf, html, other]

Title: Interpreting Cosmological Information from Neural Networks in the Hydrodynamic Universe Show Chinese title

Title: 从流体宇宙中的神经网络解释宇宙学信息

Arnab Lahiry, Adrian E. Bayer, Francisco Villaescusa-Navarro

Comments: 14 pages, 11 figures, 1 table

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO) ; Astrophysics of Galaxies (astro-ph.GA) ; Instrumentation and Methods for Astrophysics (astro-ph.IM)

[503] arXiv:2504.17853 (cross-list from astro-ph.SR) [cn-pdf, pdf, html, other]

Title: Advancing accuracy in age determinations of old-disk stars using an oscillating red giant in an eclipsing binary Show Chinese title

Title: 利用食双星中的振荡红巨星级提高古老盘星年龄测定的精度

J. S. Thomsen, A. Miglio, K. Brogaard, J. Montalbán, M. Tailo, W. E. van Rossem, G. Casali, D. Jones, T. Arentoft, L. Casagrande, D. Sebastian, G. Buldgen, A. Triaud, M. Matteuzzi, A. Stokholm, M. N. Lund, B. Mosser, P. F. L. Maxted, J. Southworth, J. T. Gadeberg, N. Koivisto, Z. Gray, V. Pinter, K. Matilainen, A. A. Djupvik, J. Jessen-Hansen, F. Grundahl, D. Slumstrup, S. Frandsen

Comments: Accepted for publication in A&A, 10 pages, 5 figures

Subjects: Solar and Stellar Astrophysics (astro-ph.SR) ; Astrophysics of Galaxies (astro-ph.GA)

[504] arXiv:2504.18088 (cross-list from astro-ph.SR) [cn-pdf, pdf, html, other]

Title: Investigating open cluster King 6: Detection of three new variables Show Chinese title

Title: 研究疏散星团King 6：新变星的发现

Vaibhav Kumar Pandey, Arvind K Dattatrey, Apara Tripathi, R K S Yadav, Shantanu Rastogi

Comments: There are 27 pages with 21 figures and 5 tables

Subjects: Solar and Stellar Astrophysics (astro-ph.SR) ; Astrophysics of Galaxies (astro-ph.GA)

[505] arXiv:2504.18217 (cross-list from astro-ph.HE) [cn-pdf, pdf, html, other]

Title: An e-MERLIN & EVN radio counterpart to the ultraluminous X-ray source M82 X-1 Show Chinese title

Title: 一个超亮X射线源M82 X-1的e-MERLIN & EVN射电对应体

D. Williams-Baldwin (1), T. W. B. Muxlow (1), G. Lucatelli (1), R. J. Beswick (1) ((1) Jodrell Bank Centre for Astrophysics, School of Physics and Astronomy, The University of Manchester, Manchester, M13 9PL, UK)

Comments: 8 pages, 4 figures, accepted to MNRAS

Subjects: High Energy Astrophysical Phenomena (astro-ph.HE) ; Astrophysics of Galaxies (astro-ph.GA)

[506] arXiv:2504.18255 (cross-list from astro-ph.SR) [cn-pdf, pdf, html, other]

Title: SOLIS. XIX. The chemically rich SVS13-B protostellar jet Show Chinese title

Title: SOLIS. XIX. 富含化学物质的SVS13-B原恒星喷流

C. Codella, E. Bianchi, L. Podio, M. De Simone, A. Lopez-Sepulcre, C. Ceccarelli, P. Caselli

Comments: A&A, in press

Subjects: Solar and Stellar Astrophysics (astro-ph.SR) ; Astrophysics of Galaxies (astro-ph.GA)

[507] arXiv:2504.18265 (cross-list from astro-ph.SR) [cn-pdf, pdf, html, other]

Title: The growth of a lithium abundance dispersion in pre main sequence stars Show Chinese title

Title: 前主序星中锂丰度弥散的增长

R. J. Jackson (1), R. D. Jeffries (1), E. Tognelli (2) ((1) Keele University UK, (2) University of New Haven USA)

Comments: Accepted for publication in MNRAS

Subjects: Solar and Stellar Astrophysics (astro-ph.SR) ; Astrophysics of Galaxies (astro-ph.GA)

[508] arXiv:2504.18270 (cross-list from astro-ph.CO) [cn-pdf, pdf, html, other]

Title: Machine Learning-Based Analytical Expressions for Gray-Body Factors and Application to Primordial Black Holes Show Chinese title

Title: 基于机器学习的灰体因子解析表达式及其在原初黑洞中的应用

Guan-Wen Yuan (UniTrento), Marco Calzà (UniTrento), Davide Pedrotti (UniTrento)

Comments: 14 pages, 7 figures, match the published version

Journal-ref: Phys.Dark Univ. 50 (2025) 102078

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO) ; Astrophysics of Galaxies (astro-ph.GA) ; High Energy Astrophysical Phenomena (astro-ph.HE) ; General Relativity and Quantum Cosmology (gr-qc)

[509] arXiv:2504.18403 (cross-list from gr-qc) [cn-pdf, pdf, html, other]

Title: Generalizing the relativistic precession model of quasi-periodic oscillations through anharmonic corrections Show Chinese title

Title: 通过非谐校正推广拟周期振荡的相对论进动模型

Roberto Giambò, Orlando Luongo, Marco Muccino, Alessandro Rossi

Comments: 13 pages, 4 figures, 2 tables

Subjects: General Relativity and Quantum Cosmology (gr-qc) ; Astrophysics of Galaxies (astro-ph.GA)

[510] arXiv:2504.18491 (cross-list from astro-ph.SR) [cn-pdf, pdf, html, other]

Title: An Unsupervised Machine Learning Approach to Identify Spectral Energy Distribution Outliers: Application to the S-PLUS DR4 data Show Chinese title

Title: 一种识别光谱能量分布异常值的无监督机器学习方法：应用于S-PLUS DR4数据

F. Quispe-Huaynasi, F. Roig, N. Holanda, V. Loaiza-Tacuri, Romualdo Eleutério, C. B. Pereira, S. Daflon, V. M. Placco, R. Lopes de Oliveira, F. Sestito, P. K. Humire, M. Borges Fernandes, A. Kanaan, T. Ribeiro, W. Schoenell

Comments: 19 pages, 12 figures, 2 tables

Subjects: Solar and Stellar Astrophysics (astro-ph.SR) ; Astrophysics of Galaxies (astro-ph.GA) ; Instrumentation and Methods for Astrophysics (astro-ph.IM)

[511] arXiv:2504.18558 (cross-list from astro-ph.HE) [cn-pdf, pdf, html, other]

Title: IGR J12580+0134: The Nearest Tidal Disruption Event and its Faint Resurrection Show Chinese title

Title: IGR J12580+0134：最近的潮汐撕裂事件及其微弱的复苏

A. Danehkar

Comments: 13 pages, 6 figures, 2 tables, published by The Astrophysical Journal (ApJ), proof corrections applied

Journal-ref: Astrophys.J.986:50,2025

Subjects: High Energy Astrophysical Phenomena (astro-ph.HE) ; Astrophysics of Galaxies (astro-ph.GA)

[512] arXiv:2504.18614 (cross-list from astro-ph.HE) [cn-pdf, pdf, html, other]

Title: Repeated Tidal Interactions between Stars and Supermassive Black Holes: Mass Transfer, Stability, and Implications for Repeating Partial Tidal Disruption Events Show Chinese title

Title: 恒星与超大质量黑洞之间的重复潮汐相互作用：质量转移、稳定性以及对重复部分潮汐破坏事件的启示

Ananya Bandopadhyay, Eric R. Coughlin, C. J. Nixon

Comments: 18 pages, 11 figures, 1 table; Updated to match ApJ accepted version

Subjects: High Energy Astrophysical Phenomena (astro-ph.HE) ; Astrophysics of Galaxies (astro-ph.GA)

[513] arXiv:2504.18615 (cross-list from gr-qc) [cn-pdf, pdf, html, other]

Title: Constraining Population III stellar demographics with next-generation gravitational-wave observatories Show Chinese title

Title: 利用下一代引力波观测台限制第三族恒星的群体特性

Cailin Plunkett, Matthew Mould, Salvatore Vitale

Comments: 21 pages, 10 figures. Submitted to PRD

Subjects: General Relativity and Quantum Cosmology (gr-qc) ; Cosmology and Nongalactic Astrophysics (astro-ph.CO) ; Astrophysics of Galaxies (astro-ph.GA) ; High Energy Astrophysical Phenomena (astro-ph.HE)

[514] arXiv:2504.18621 (cross-list from astro-ph.SR) [cn-pdf, pdf, html, other]

Title: The impact of wind mass loss on nucleosynthesis and yields of very massive stars at low metallicity Show Chinese title

Title: 低金属丰度下风质量损失对极高质量恒星的核合成及其产率的影响

Erin R. Higgins, Jorick S. Vink, Raphael Hirschi, Alison M. Laird, Gautham Sabhahit

Comments: Accepted for publication in A&A, 22 pages, 22 figures

Subjects: Solar and Stellar Astrophysics (astro-ph.SR) ; Astrophysics of Galaxies (astro-ph.GA)

[515] arXiv:2504.18637 (cross-list from astro-ph.CO) [cn-pdf, pdf, html, other]

Title: Forecasts and Simulations for Relativistic Corrections to the Sunyaev-Zeldovich Effect Show Chinese title

Title: 相对论性修正的太阳-泽尔多维奇效应的预测和模拟

L. Kuhn, Z. Li, William R. Coulton

Comments: 26 pages with 11 figures, resubmitted to JCAP after minor revisions

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO) ; Astrophysics of Galaxies (astro-ph.GA)

[516] arXiv:2504.18642 (cross-list from astro-ph.SR) [cn-pdf, pdf, html, other]

Title: Asteroseismology of Metal-Poor Red Giants Observed by TESS Show Chinese title

Title: TESS观测的贫金属红巨星的星震学研究

Corin Marasco, Jamie Tayar, David Nidever

Comments: 18 pages, 14 figures

Subjects: Solar and Stellar Astrophysics (astro-ph.SR) ; Astrophysics of Galaxies (astro-ph.GA)

[517] arXiv:2504.18721 (cross-list from astro-ph.HE) [cn-pdf, pdf, html, other]

Title: High energy extragalactic multimessenger backgrounds from starburst and dead galaxies Show Chinese title

Title: 高能星系外多信使背景来自星暴和死亡星系

Ellis R. Owen, Yoshiyuki Inoue, Tatsuki Fujiwara, Albert K. H. Kong

Comments: 10 pages, 2 figures, proceedings of the 28th European Cosmic Ray Symposium (ECRS2024). v2 fixes typo in affiliations

Subjects: High Energy Astrophysical Phenomena (astro-ph.HE) ; Astrophysics of Galaxies (astro-ph.GA)

[518] arXiv:2504.18745 (cross-list from astro-ph.CO) [cn-pdf, pdf, html, other]

Title: A hydrodynamical simulations-based model that connects the FRB DM--redshift relation to suppression of the matter power spectrum via feedback Show Chinese title

Title: 基于流体动力学模拟的模型，该模型通过反馈将FRB（快速射电暴）的DM-红移关系与物质功率谱的抑制联系起来

Kritti Sharma, Elisabeth Krause, Vikram Ravi, Robert Reischke, Pranjal R. S., Liam Connor

Comments: 24 pages, 13 figures

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO) ; Astrophysics of Galaxies (astro-ph.GA) ; High Energy Astrophysical Phenomena (astro-ph.HE)

[519] arXiv:2504.18927 (cross-list from astro-ph.HE) [cn-pdf, pdf, html, other]

Title: Flare genesis in relativistic jet: Disentangling the drivers of variability in the blazar 4C +27.50 Show Chinese title

Title: 相对论喷流中的耀斑起源：解开耀变体 4C +27.50变化驱动因素的纠缠

Joysankar Majumdar, Sakshi Maurya, Raj Prince

Comments: Submitted to ApJ

Subjects: High Energy Astrophysical Phenomena (astro-ph.HE) ; Astrophysics of Galaxies (astro-ph.GA)

[520] arXiv:2504.18986 (cross-list from astro-ph.HE) [cn-pdf, pdf, html, other]

Title: A multi-messenger window into galactic magnetic fields and black hole mergers with LISA Show Chinese title

Title: LISA探测器的多信使窗口：银河系磁场与黑洞合并

Anuraag Reddy, Nathan Steinle, Samar Safi-Harb, Jo-Anne Brown

Subjects: High Energy Astrophysical Phenomena (astro-ph.HE) ; Astrophysics of Galaxies (astro-ph.GA) ; General Relativity and Quantum Cosmology (gr-qc)

[521] arXiv:2504.19177 (cross-list from astro-ph.CO) [cn-pdf, pdf, html, other]

Title: Probing Dark Matter Substructures with Free-Form Modelling: A Case Study of the `Jackpot' Strong Lens Show Chinese title

Title: 用自由形式建模探测暗物质亚结构：一个“ jackpot ”强透镜的案例研究

Xiaoyue Cao, Ran Li, James W. Nightingale, Richard Massey, Qiuhan He, Aristeidis Amvrosiadis, Andrew Robertson, Shaun Cole, Carlos S. Frenk, Xianghao Ma, Leo W.H. Fung, Maximilian von Wietersheim-Kramsta, Samuel C. Lange, Kaihao Wang

Comments: 23 pages, 14 figures, 4 tables. Submitted to MNRAS. Comments Welcome

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO) ; Astrophysics of Galaxies (astro-ph.GA) ; Instrumentation and Methods for Astrophysics (astro-ph.IM)

[522] arXiv:2504.19371 (cross-list from astro-ph.EP) [cn-pdf, pdf, html, other]

Title: ExoALMA XIII. gas masses from N2H+ and C18O: a comparison of protoplanetary gas disk mass measurement techniques Show Chinese title

Title: ExoALMA XIII. 从N2H+和C18O测量的气体质量：行星状气体盘质量测量技术的比较

Leon Trapman, Cristiano Longarini, Giovanni P. Rosotti, Sean M. Andrews, Jaehan Bae, Marcelo Barraza-Alfaro, Myriam Benisty, Gianni Cataldi, Pietro Curone, Ian Czekala, Stefano Facchini, Daniele Fasano, Mario Flock, Misato Fukagawa, Maria Galloway-Sprietsma, Himanshi Garg, Cassandra Hall, Jane Huang, John D. Ilee, Andres F. Izquierdo, Kazuhiro Kanagawa, Geoffroy Lesur, Giuseppe Lodato, Ryan A. Loomis, Ryuta Orihara, Teresa Paneque-Carreno, Christophe Pinte, Daniel Price, Jochen Stadler, Richard Teague, Sierk van Terwisga, Leonardo Testi, Hsi-Wei Yen, Gaylor Wafflard-Fernandez, David J. Wilner, Andrew J. Winter, Lisa Wölfer, Tomohiro C. Yoshida, Brianna Zawadzki, Ke Zhang

Comments: 20 pages, 9 figures, 4 tables. This paper is part of the exoALMA Focus Issue of The Astrophysical Journal Letters

Subjects: Earth and Planetary Astrophysics (astro-ph.EP) ; Astrophysics of Galaxies (astro-ph.GA)

[523] arXiv:2504.19505 (cross-list from hep-ph) [cn-pdf, pdf, html, other]

Title: Exploring Ultralight Dark Matter Self-Coupling via the Gravitational Wave Background Show Chinese title

Title: 通过引力波背景探索超轻暗物质的自耦合

Pratick Sarkar

Comments: 15 pages, 8 figures

Subjects: High Energy Physics - Phenomenology (hep-ph) ; Astrophysics of Galaxies (astro-ph.GA) ; General Relativity and Quantum Cosmology (gr-qc)

[524] arXiv:2504.19570 (cross-list from astro-ph.HE) [cn-pdf, pdf, html, other]

Title: What Determines the Maximum Mass of AGN-assisted Black Hole Mergers? Show Chinese title

Title: 什么决定了AGN辅助黑洞合并的最大质量？

LingQin Xue, Hiromichi Tagawa, Zoltan Haiman, Imre Bartos

Comments: 40 pages, 16 figures

Journal-ref: Phys. Rev. D (2025) 112, 063034

Subjects: High Energy Astrophysical Phenomena (astro-ph.HE) ; Astrophysics of Galaxies (astro-ph.GA)

[525] arXiv:2504.19579 (cross-list from astro-ph.IM) [cn-pdf, pdf, html, other]

Title: Latest developments in wide-field VLBI Show Chinese title

Title: 宽视场VLBI的最新进展

Jack F. Radcliffe (1 and 2), J. P. McKean (2, 3 and 4), C. Herbé-George (2 and 3), L. Coetzer (2), T. Matsepane (2) ((1) Jodrell Bank Centre for Astrophysics, School of Physics and Astronomy, The University of Manchester, Manchester, UK, (2) Department of Physics, University of Pretoria, Pretoria, South Africa, (3) Kapteyn Astronomical Institute, University of Groningen, Groningen, the Netherlands, (4) South African Radio Astronomy Observatory (SARAO), P.O. Box 443, Krugersdorp 1740, South Africa)

Comments: 4 pages, 3 figures, published in Proceedings of the 16th EVN Symposium, Ed. E. Ros, P. Benke, S.A. Dzib, I. Rottmann, & J.A. Zensus, Bonn: Max-Planck-Institut f\"ur Radioastronomie, 2024, pages 7-10, see https://events.mpifr-bonn.mpg.de/indico/event/371/page/7

Subjects: Instrumentation and Methods for Astrophysics (astro-ph.IM) ; Cosmology and Nongalactic Astrophysics (astro-ph.CO) ; Astrophysics of Galaxies (astro-ph.GA)