activity
20222026
most citedA large catalogue of molecular clouds in the southern sky

13 citations · 23 across the 14 of their papers we have counts for

collaborators

15 papers

astro-ph.GA2026

GSED: The Galactic Stellar Extinction Database

Baisong Zhang, Bingqiu Chen, Dongwei Fan +9

Reliable extinction correction is essential for nearly all astrophysical studies within the Galaxy. We present the Galactic Stellar Extinction Database (GSED, https://nadc.china-vo…

astro-ph.GA2025★ 5 cited

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…

astro-ph.GA2025

The Milky Way is a less massive galaxy--new estimates of the Milky Way's local and global stellar masses

Jianhui Lian, Tao Wang, Qikang Feng +2

Stellar mass is the most fundamental property of a galaxy. While it has been robustly measured for millions of external galaxies, it remains poorly constrained for the Milky Way be…

astro-ph.HE2025★ 1 cited

SN 2024aecx: A double-peaked rapidly evolving Type IIb supernova at 11 Mpc

Xingzhu Zou, Brajesh Kumar, Rishabh Singh Teja +28

We present the results of low-resolution spectroscopic and densely sampled multi-band photometric follow-up of supernova (SN) 2024aecx. The SN was discovered in the spiral galaxy N…

astro-ph.GA2025

Identification of Star Clusters in M31 from PAndAS Images Based on Deep Learning

Baisong Zhang, Bingqiu Chen, Haibo Yuan +5

The identification of star clusters holds significant importance in studying galaxy formation and evolution history. However, the task of swiftly and accurately identifying star cl…

astro-ph.HE2025

Multiwavelength Analysis of GRB 250101A: From Gamma-ray Prompt Emission to Optical Afterglow

Guowang Du, Yehao Cheng, Yuan-Pei Yang +15

The interaction between the relativistic jet and the circumburst medium produces a multiwavelength afterglow of a gamma-ray burst (GRBs). In this work, we present multiwavelength p…

astro-ph.HE2024

Simultaneous Multiband Photometry of the Early Optical Afterglow of GRB 240825A with Mephisto

Yehao Cheng, Yu Pan, Yuan-Pei Yang +19

Gamma-ray bursts (GRBs) are the most luminous transients in the universe. The interaction of the relativistic jet with the circumburst medium produces an afterglow and generates mu…

astro-ph.GA2024

Identification and distance measurement of dust clouds at high latitude by a clustering hierarchical algorithm

Mingxu Sun, Biwei Jiang, Helong Guo +1

We present a catalog of dust clouds at high Galactic latitude based on the Planck 857 GHz dust emission data. Using a clustering hierarchical algorithm, 315 dust cloud at high Gala…

astro-ph.HE2024★ 1 cited

Black hole mass and optical radiation mechanism of the tidal disruption event AT 2023clx

Shiyan Zhong, Xian Xu, Xinlei Chen +5

We present the optical light curves of the tidal disruption event (TDE) AT 2023clx in the declining phase, observed with Mephisto. Combining our light curve with the ASAS-SN and AT…

astro-ph.HE2024

Multiband Simultaneous Photometry of Type II SN 2023ixf with Mephisto and the Twin 50-cm Telescopes

Yuan-Pei Yang, Xiangkun Liu, Yu Pan +13

SN 2023ixf, recently reported in the nearby galaxy M101 at a distance of , was one of the closest and brightest core-collapse supernovae (CCSNe) in the last decade.…

astro-ph.HE2024

Early-phase simultaneous multiband observations of the Type II supernova SN 2024ggi with Mephisto

Xinlei Chen, Brajesh Kumar, Xinzhong Er +24

We present early-phase good-cadence (hour-to-day) simultaneous multiband ( and bands) imaging of the nearby supernova SN~2024ggi, which exploded in the nearby galaxy, NG…

astro-ph.GA2023

The Pre-explosion Environments and The Progenitor of SN 2023ixf from the Hobby Eberly Telescope Dark Energy Experiment (HETDEX)

Chenxu Liu, Xinlei Chen, Xinzhong Er +20

Supernova (SN) 2023ixf was discovered on May 19th, 2023. The host galaxy, M101, was observed by the Hobby Eberly Telescope Dark Energy Experiment (HETDEX) collaboration over the pe…

astro-ph.SR2023

SPar: estimating stellar parameters from multi-band photometries with empirical stellar libraries

Mingxu Sun, Bingqiu Chen, Helong Guo +3

Modern large-scale photometric surveys have provided us with multi-band photometries of billions of stars. Determining the stellar atmospheric parameters, such as the effective tem…

astro-ph.SR2022★ 3 cited

Estimating accurate reddening values of LAMOST M dwarfs

Han Shen, Bingqiu Chen, Helong Guo +3

M dwarfs are the dominating type of stars in the solar neighbourhood. They serve as excellent tracers for the study of the distribution and properties of the nearby interstellar du…

astro-ph.GA2022★ 13 cited

A large catalogue of molecular clouds in the southern sky

Helong Guo, Bingqiu Chen, Xiaowei Liu

We present a large catalogue of molecular clouds with accurate distance estimates in the southern sky. Based on the three-dimensional (3D) dust extinction map and the best-fit exti…