activity
20242026
collaborators

9 papers

astro-ph.GA2026

Extinction Distributions in Nearby Star-resolved Galaxies. II. M33

Yuxi Wang, Yi Ren, Jian Gao +2

Extinction maps are essential for tracing interstellar dust and enabling accurate stellar population studies in galaxies. Here, a high-resolution extinction distribution of nearby…

astro-ph.GA2026

The Spectroscopic and Photometric Study of a Star Cluster Sample in Andromeda Halo

Hongrui Gu, Zhou Fan, Bingqiu Chen +18

Halo star clusters serve as vital tracers for the formation and evolution of the Andromeda galaxy. In this work, we present physical parameters for 29 M31 halo star clusters, deriv…

astro-ph.GA2026

A Tale of Two Dust Disks in Our Milky Way

Ruoyi Zhang, Haibo Yuan, Bingqiu Chen +4

Cosmic dust plays a vital role in stellar and galactic formation and evolution, but its three-dimensional structure in the Milky Way has remained unclear due to insufficient precis…

astro-ph.GA2025

Variation of the 2175 Ã extinction feature in Andromeda galaxy

Bing Yan, Shu Wang, Jian Gao +2

Extinction curves contain key information on interstellar dust composition and size distribution, with the 2175 Ã bump being the most prominent feature. We analyze 20 sightlines to…

astro-ph.GA2025

Observational Evidence of Dust Evolution in Supernova Remnants: Size Redistribution Toward Larger Grains in Early Sedov Phase

He Zhao, Bingqiu Chen, Jun Li

Recent observations have revealed that dust is widespread and abundant in galaxies up to , significantly influencing their appearance and spectral properties. I…

astro-ph.GA2025

A Comprehensive All-Sky Catalog of 3345 Molecular Clouds from Three-dimensional Dust Extinction

Tao Wang, Haibo Yuan, Bingqiu Chen +4

Understanding the distribution and properties of molecular clouds is crucial for tracing the structure and evolution of the interstellar medium and the large-scale morphology of th…