Physics - Astrophysics of Galaxies

Astrophysics of GalaxiesNew Insights into Galaxy Circular Velocities

Study reveals unexpected galaxy numbers and dark matter connections.

Andrei Ristea, Luca Cortese, Brent Groves

2025-06-12T04:22:33+00:00 ― 5 min read

Astrophysics of GalaxiesInfluence of Environment on Lenticular Galaxies

Study explores how surroundings affect star formation in lenticular galaxies.

Pei-Bin Chen, Junfeng Wang, Yan-Mei Chen

2025-06-12T04:06:51+00:00 ― 5 min read

Astrophysics of GalaxiesStudying Quasars: Insights from Fe2/Mg2 Ratios

Research reveals stable Fe2/Mg2 ratios in quasars, indicating early iron enrichment.

Danyang Jiang, Masafusa Onoue, Linhua Jiang

2025-06-12T01:22:00+00:00 ― 5 min read

Astrophysics of GalaxiesNew Insights into Barred Galaxies from JWST

JWST reveals new findings on the formation and evolution of barred galaxies.

Yuchen Guo, Shardha Jogee, Eden Wise

2025-06-12T00:34:54+00:00 ― 5 min read

Astrophysics of GalaxiesInsights into the Pic Moving Group and Nearby Associations

A study unveils stars' connections and characteristics in young associations.

K. L. Luhman

2025-06-12T00:19:12+00:00 ― 5 min read

Solar and Stellar AstrophysicsThe Role of Binary Stars in Planetary Nebula Formation

This article discusses how binary stars influence the formation of planetary nebulae.

Raghvendra Sahai, Javier Alcolea, Bruce Balick

2025-06-11T23:16:24+00:00 ― 5 min read

Instrumentation and Methods for AstrophysicsNew Instrument to Study Early Universe

EoR-Spec will enhance our knowledge of the universe's first stars and galaxies.

Rodrigo Freundt, Yaqiong Li, Doug Henke

2025-06-11T22:13:36+00:00 ― 5 min read

Solar and Stellar AstrophysicsThe Formation of High-Mass Black Holes in Star Clusters

This article explores how high-mass binaries in star clusters influence black hole formation.

Ambreesh Khurana, Sourav Chatterjee

2025-06-11T21:02:57+00:00 ― 6 min read

Astrophysics of GalaxiesUnderstanding Dust and UV Light in Early Galaxies

Research reveals complex interactions between dust and UV light in distant galaxies.

Pierre Ocvirk, Joseph S. W. Lewis, Luke Conaboy

2025-06-11T20:55:06+00:00 ― 6 min read

High Energy Astrophysical PhenomenaNew Insights into the Radio Galaxy 3C 264

Observations reveal new details about the X-ray emissions from galaxy 3C 264.

Ka-Wah Wong, Colin M. Steiner, Allison M. Blum

2025-06-11T20:39:24+00:00 ― 6 min read

Instrumentation and Methods for AstrophysicsCrafting a Telescope Observation Proposal

A guide to writing effective telescope observation proposals.

C. G. Díaz, R. Petrucci, L. V. Ferrero

2025-06-11T19:28:45+00:00 ― 5 min read

Astrophysics of GalaxiesGas Density in Galaxies: Key Relationships Uncovered

Examining gas density patterns reveals insights into galaxy formation and structure.

Daniele Sorini, Sownak Bose, Romeel Davé

2025-06-11T18:57:21+00:00 ― 8 min read

Astrophysics of GalaxiesNew Insights into Molecular Gas in Galaxies

Researchers enhance understanding of molecular gas using PAHs and CO in galaxies.

Irene Shivaei, Leindert Boogaard

2025-06-11T16:36:03+00:00 ― 4 min read

High Energy Astrophysical PhenomenaBlack Holes: Formation and Interaction Insights

Examining how black holes form, evolve, and interact with their environments.

Bhupendra Mishra, Josh Calcino

2025-06-11T14:54:00+00:00 ― 7 min read

Astrophysics of GalaxiesNew Insights into the Circumgalactic Medium

Study reveals how halo mass affects the circumgalactic medium's properties.

Andrew W. S. Cook, Freeke van de Voort, Rüdiger Pakmor

2025-06-11T14:22:36+00:00 ― 6 min read

High Energy Astrophysical PhenomenaTurbulent States in Accretion Disks Revealed

Research examines weak and strong magnetized turbulence in accretion disks.

Jonathan Squire, Eliot Quataert, Philip F. Hopkins

2025-06-11T12:32:42+00:00 ― 6 min read

Solar and Stellar AstrophysicsExploring the Binary Star System 2MASS J05215658+4359220

A red giant star's hidden companion raises questions about stellar evolution.

Luciana Bianchi, John Hutchings, Ralph Bohlin

2025-06-11T05:28:48+00:00 ― 7 min read

Solar and Stellar AstrophysicsRare Nebula Found Around SY Cancri

Amateur astronomers discover a unique bow-shock nebula around the variable star SY Cancri.

Howard E. Bond, Calvin Carter, David F. Elmore

2025-06-11T04:02:27+00:00 ― 5 min read

Earth and Planetary AstrophysicsThe Effects of Interstellar Clouds on Earth's Atmosphere

Investigating how interstellar clouds influenced Earth's atmospheric changes over millions of years.

Jesse A. Miller, Merav Opher, Maria Hatzaki

2025-06-11T03:54:36+00:00 ― 5 min read

Astrophysics of GalaxiesInvestigating Black Holes and Their Host Galaxies at z=4

Study examines relationship between supermassive black holes and early galaxies.

Yang Sun, Jianwei Lyu, George H. Rieke

2025-06-11T03:15:21+00:00 ― 5 min read

High Energy Astrophysical PhenomenaUncovering the Secrets of Black Hole Clusters

A look into how smaller black holes interact with supermassive ones.

Leandro Abaroa, Gustavo E. Romero

2025-06-11T02:59:39+00:00 ― 7 min read

Astrophysics of GalaxiesBlack Holes and Star Formation: A Galactic Connection

This study reveals how black holes slow down star formation in galaxies.

Matthew Frosst, Danail Obreschkow, Aaron Ludlow

2025-06-11T02:36:06+00:00 ― 6 min read

Astrophysics of GalaxiesInvestigating Broad-Line Active Galactic Nuclei

This study examines black holes in galaxies and their roles in cosmic evolution.

Anthony J. Taylor, Steven L. Finkelstein, Dale D. Kocevski

2025-06-11T01:56:51+00:00 ― 5 min read

Cosmology and Nongalactic AstrophysicsReassessing the Haslam Map: Impacts on Cosmology

Errors in the Haslam map may mislead our understanding of cosmic emissions.

Michael J. Wilensky, Melis O. Irfan, Philip Bull

2025-06-11T01:41:09+00:00 ― 5 min read

Astrophysics of GalaxiesThe Importance of Galaxy Disk Flattening

Examining how galaxy disks are shaped reveals key insights about their formation.

Jeremy Favaro, Stéphane Courteau, Sébastien Comerón

2025-06-11T01:33:18+00:00 ― 5 min read

High Energy Astrophysical PhenomenaNew Discoveries in Oxygen-Rich Supernova Remnants

Scientists identify seven new oxygen-rich remnants, expanding knowledge of stellar evolution.

Timo Kravtsov, Joseph P. Anderson, Hanindyo Kuncarayakti

2025-06-10T22:32:45+00:00 ― 4 min read

Astrophysics of GalaxiesInvestigating the Emission of Lyman-alpha Radiation in Early Galaxies

This study reveals insights into early galaxies through Lyα radiation analysis.

Gareth C. Jones, Andrew J. Bunker, Aayush Saxena

2025-06-10T20:42:51+00:00 ― 7 min read

Astrophysics of GalaxiesA New Look at Supernova Remnants

Using machine learning to study supernova remnants across multiple wavelengths.

F. Bufano, C. Bordiu, T. Cecconello

2025-06-10T19:47:54+00:00 ― 7 min read

General Relativity and Quantum CosmologyStudying Black Holes: New Theories and Insights

Research on black holes offers insights into gravity and theoretical physics.

Misba Afrin, Sushant G. Ghosh, Anzhong Wang

2025-06-10T17:03:03+00:00 ― 5 min read

Astrophysics of GalaxiesGrowth Processes of Supermassive Black Holes and Galaxies

Examining the connection between supermassive black holes and galaxy growth.

Hao Li, Yangyao Chen, Huiyuan Wang

2025-06-10T16:55:12+00:00 ― 6 min read

Astrophysics of GalaxiesUnraveling the Mystery of Disc Galaxies

A deep dive into the formation of mostly-disc galaxies in the universe.

Silvio Rodriguez, Valeria A. Cristiani, Laura V. Sales

2025-06-10T11:17:39+00:00 ― 8 min read

Solar and Stellar AstrophysicsNew Evidence Confirms Tidal Tails of Blanco 1

Study reveals strong evidence for tidal tails around the open cluster Blanco 1.

Lizhou Sha, Andrew M. Vanderburg, Luke G. Bouma

2025-06-10T11:01:57+00:00 ― 5 min read

Astrophysics of GalaxiesThe Role of Binary Stars in Cepheid Evolution

Explore how binary systems influence Cepheid variable stars and their life cycles.

František Dinnbier, Richard I. Anderson, Pavel Kroupa

2025-06-10T10:14:51+00:00 ― 6 min read

Astrophysics of GalaxiesInsights into Metal-Poor Gas Clouds in the Universe

Study reveals the significance of metal-poor gas clouds for cosmic history.

Louise Welsh, Ryan Cooke, Michele Fumagalli

2025-06-10T10:07:00+00:00 ― 6 min read

Cosmology and Nongalactic AstrophysicsDetecting Lyman-alpha Emission from Early Galaxies

This article examines the detection of light from distant galaxies during cosmic reionization.

Yuxiang Qin, J. Stuart B. Wyithe

2025-06-10T07:53:33+00:00 ― 4 min read

Instrumentation and Methods for AstrophysicsNew Techniques in Millimeter-Wave Observations

Researchers improve millimeter-wave VLBI methods for better astronomical insights.

Shuangjing Xu, Taehyun Jung, Bo Zhang

2025-06-10T06:50:45+00:00 ― 6 min read

Astrophysics of GalaxiesComputational Chemistry: Key to Astrochemistry Insights

Exploring the role of computational chemistry in understanding cosmic molecules and reactions.

Francesca Tonolo, Silvia Alessandrini

2025-06-10T05:24:24+00:00 ― 5 min read

Astrophysics of GalaxiesThe Role of Cosmic Rays in Star Formation

Investigating how cosmic-ray ionization influences star formation processes.

Gan Luo, Thomas G. Bisbas, Marco Padovani

2025-06-10T04:45:09+00:00 ― 5 min read

Astrophysics of GalaxiesALMACAL Survey Sheds Light on Galaxies

ALMACAL survey collects data to study galaxies and molecular gas behavior.

Victoria Bollo, Martin Zwaan, Celine Peroux

2025-06-10T04:29:27+00:00 ― 5 min read

Astrophysics of GalaxiesThe Role of Magnetic Fields in Galaxies

Magnetic fields are crucial in shaping galaxies and their processes.

Tara Dacunha, Sergio Martin-Alvarez, Susan E. Clark

2025-06-09T22:51:54+00:00 ― 4 min read