Physics - Astrophysics of Galaxies

Astrophysics of GalaxiesMeasuring the Stellar Mass of Dwarf Galaxies

A look into how scientists estimate the stellar mass of dwarf galaxies.

Mithi A. C. de los Reyes, Yasmeen Asali, Risa Wechsler

2025-06-13T23:25:12+00:00 ― 6 min read

Astrophysics of GalaxiesThe Role of Gas and Dust in Space

Examining how gas and dust influence star and galaxy formation.

Harvey Liszt

2025-06-13T22:06:42+00:00 ― 6 min read

Astrophysics of GalaxiesNew Tools Revolutionize Analysis of Interstellar Medium

Automated methods enhance understanding of gas in space.

Thomas G. Williams, Elizabeth J. Watkins

2025-06-13T20:56:03+00:00 ― 8 min read

Astrophysics of GalaxiesOld Galaxy Found Soon After Big Bang

A discovery of an ancient galaxy sheds light on galaxy formation.

Andrea Weibel, Anna de Graaff, David J. Setton

2025-06-13T20:32:30+00:00 ― 5 min read

Solar and Stellar AstrophysicsTriple Star Systems and Gravitational Waves

Exploring the evolution and impact of triple star systems on gravitational wave events.

F. Kummer, S. Toonen, A. Dorozsmai

2025-06-13T20:16:48+00:00 ― 6 min read

Cosmology and Nongalactic AstrophysicsA New Approach to Baryon and Dark Matter Interactions

Introducing baryonification for better modeling of cosmic structures.

Dhayaa Anbajagane, Shivam Pandey, Chihway Chang

2025-06-13T19:53:15+00:00 ― 8 min read

Solar and Stellar AstrophysicsNew Insights into Ultracool Dwarfs from GTC Observations

Study reveals new spectral types and kinematics of late-M and L dwarfs.

W. J. Cooper, H. R. A. Jones, R. L. Smart

2025-06-13T17:47:39+00:00 ― 6 min read

Astrophysics of GalaxiesThe Role of Molecular Clouds in Star Formation

Molecular clouds are key regions for understanding star formation in galaxies.

J. W. Zhou, Sami Dib, Timothy A. Davis

2025-06-13T17:31:57+00:00 ― 5 min read

Astrophysics of GalaxiesMagnetic Fields and Stellar Feedback in RCW 36

Study examines the role of magnetic fields and stellar feedback in star formation.

Akanksha Bij, Laura M. Fissel, Lars Bonne

2025-06-13T15:18:30+00:00 ― 4 min read

Earth and Planetary AstrophysicsThe Enigma of Irregular Moons

A look into the origins and characteristics of irregular moons in our solar system.

Susanne Pfalzner, Amith Govind, Frank Wagner

2025-06-13T14:54:57+00:00 ― 7 min read

Solar and Stellar AstrophysicsThe Birth of Stars: A Simple Overview

An overview of how stars form in molecular clouds.

Rajika Kuruwita, Łukasz Tychoniec, Christoph Federrath

2025-06-13T12:33:39+00:00 ― 7 min read

Solar and Stellar AstrophysicsNew Insights into Gravity-Mode Pulsators from ESA Mission

ESA's findings reveal key properties of over 11,600 new gravity-mode pulsators.

P. de Laverny, A. Recio-Blanco, C. Aerts

2025-06-13T12:25:48+00:00 ― 6 min read

Earth and Planetary AstrophysicsUnusual Orbits of Trans-Neptunian Objects

New theories suggest star encounters shaped TNO orbits in our Solar System.

Susanne Pfalzner, Amith Govind, Simon Portegies Zwart

2025-06-13T11:54:24+00:00 ― 5 min read

Astrophysics of GalaxiesThe Milky Way's Galactic Warp Explained

Discover how the GSE merger shaped the Milky Way's warp.

Mingji Deng, Cuihua Du, Yanbin Yang

2025-06-13T10:35:54+00:00 ― 6 min read

Astrophysics of GalaxiesInsights into Star Formation in HII Clumps

New research reveals key factors influencing star formation in dense space regions.

J. W. Zhou, Sami Dib, Pavel Kroupa

2025-06-13T10:28:03+00:00 ― 4 min read

Astrophysics of GalaxiesCarbon Insights from the Early Universe Galaxy MACS0647-JD

A look into the carbon levels in MACS0647-JD reveals star formation history.

Tiger Yu-Yang Hsiao, Michael W. Topping, Dan Coe

2025-06-13T07:27:30+00:00 ― 5 min read

General Relativity and Quantum CosmologyUnderstanding Gravitational Lensing in Astronomy

A look at how gravitational lensing reveals cosmic mysteries.

Hector Villarrubia-Rojo, Stefano Savastano, Miguel Zumalacárregui

2025-06-13T07:03:57+00:00 ― 6 min read

Solar and Stellar AstrophysicsNew Insights into Very Low Luminosity Objects

Research reveals chemical processes in faint celestial bodies after a significant outburst.

B. M. Kulterer, S. F. Wampfler, N. F. W. Ligterink

2025-06-13T06:24:42+00:00 ― 4 min read

Solar and Stellar AstrophysicsNew Insights into Young Stellar Objects and Outbursts

Research reveals the chemistry of Young Stellar Objects and its role in planet formation.

Jenny K. Calahan, Edwin A. Bergin, Merel van't Hoff

2025-06-13T05:06:12+00:00 ― 4 min read

Astrophysics of GalaxiesRevisiting the Formation of the Milky Way

New research sheds light on the Milky Way's early formation through metal-poor stars.

Turner Woody, Charlie Conroy, Phillip Cargile

2025-06-13T04:58:21+00:00 ― 7 min read

Astrophysics of GalaxiesGalaxies and Star Clusters: A Cosmic Relationship

Explore how galaxy mergers influence star cluster formation and evolution.

Oliver Newton, Jonathan J. Davies, Joel Pfeffer

2025-06-13T04:03:24+00:00 ― 4 min read

Astrophysics of GalaxiesNew Insights into Black Holes in Dwarf Galaxies

Astronomers reveal evidence of active black holes in nearby dwarf galaxies.

Adonis A. Sanchez, Amy E. Reines, Akos Bogdan

2025-06-13T03:55:33+00:00 ― 5 min read

Solar and Stellar AstrophysicsNew Model BROWDIE Helps Find Elusive T and Y Dwarfs

BROWDIE improves detection of rare brown dwarfs using machine learning.

Gwujun Kang, Jiwon Lim, Bohyun Seo

2025-06-13T03:32:00+00:00 ― 5 min read

Astrophysics of GalaxiesUncovering the Chemistry Around Protostars

Research reveals how molecules form around young stars and their ties to life's building blocks.

Lei Lei, Lei Feng, Yi-Zhong Fan

2025-06-12T20:59:30+00:00 ― 5 min read

Cosmology and Nongalactic AstrophysicsUltralight Dark Matter: A New Perspective on Galaxies

Exploring the effects of ultralight dark matter on galaxy formation and structure.

Kfir Blum, Luca Teodori

2025-06-12T18:22:30+00:00 ― 5 min read

Astrophysics of GalaxiesThe Impact of Primordial Spin on Galaxies

Study reveals how ancient conditions shape today's galaxies.

Jun-Sung Moon, Jounghun Lee

2025-06-12T16:48:18+00:00 ― 5 min read

Astrophysics of GalaxiesSupernovae Pairs Offer New Insights into Gravitational Lensing

Two supernovae pairs provide hints about the nature of their lensing objects.

Yves-Henri Sanejouand

2025-06-12T13:08:30+00:00 ― 5 min read

Astrophysics of GalaxiesNew Insights from the Large Magellanic Cloud Survey

Researchers reveal new details about the Large Magellanic Cloud through advanced imaging.

Sean D. Points, Knox S. Long, William P. Blair

2025-06-12T11:26:27+00:00 ― 5 min read

Astrophysics of GalaxiesNew Maps Reveal How Dust Affects Light From Stars

Updated reddening maps provide clearer insights into stellar light alterations.

Rongpu Zhou, Julien Guy, Sergey E. Koposov

2025-06-12T05:17:30+00:00 ― 8 min read

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