activity
20242026
collaborators

6 papers

astro-ph.HE2026

Mrk 382: A Narrow-line Seyfert 1 Galaxy with Recurrent X-ray State Transitions

Yanli Ai, Wenfeng Wen, Liming Dou +10

We report recurrent X-ray state transitions in the nearby narrow-line Seyfert~1 galaxy Mrk~382 using multi-epoch observations from \textit{Swift}, \textit{Chandra}, \textit{XMM-New…

astro-ph.CO2026

Filtering Interlopers with Photometry and Diagnostic Features: A Machine Learning Framework Validated with CSST Slitless Spectroscopy

Hui Peng, Yu Yu, Yiyang Guo +13

The slitless spectroscopic method employed by missions such as Euclid and the Chinese Space-station Survey Telescope (CSST) faces a fundamental challenge: spectroscopic redshifts d…

astro-ph.SR2025

Search for Past Stellar Encounters and the Origin of 3I/ATLAS

Yiyang Guo, Luyao Zhang, Fabo Feng +3

3I/ATLAS, the third discovered interstellar object, has a heliocentric speed of 58 km/s and exhibits cometary activity. To constrain the origin of 3I/ATLAS and its past dynamical e…

astro-ph.IM2025

Introduction to the Chinese Space Station Survey Telescope (CSST)

CSST Collaboration, Yan Gong, Haitao Miao +119

The Chinese Space Station Survey Telescope (CSST) is an upcoming Stage-IV sky survey telescope, distinguished by its large field of view (FoV), high image quality, and multi-band o…

astro-ph.CO2025

CSST Large Scale Structure Analysis Pipeline: III. Emission-line Redshift Measurement for Slitless Spectra

Jipeng Sui, Hu Zou, Xiaohu Yang +21

The China Space Station Telescope (CSST) is a forthcoming space-based optical telescope designed to co-orbit with the Chinese Space Station. With a planned slitless spectroscopic s…

astro-ph.GA2024

Robust detection of hot intragroup medium in optically selected, poor galaxy groups by eROSITA

Dawei Li, Taotao Fang, Chong Ge +7

Over the last several decades, extensive research has been conducted on the baryon cycles within cosmic structures, encompassing a broad mass range from dwarf galaxies to galaxy cl…