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- Chinese Academy of SciencesCN337 papers
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95 papers · 1 filter
Testing Chemical Tagging with LAMOST: Intrinsic Abundance Dispersion of Subgiant Stars in the Galactic Disk
Wu Yaqian, Xiang Maosheng, Zhao Gang +4
The scatter in elemental abundances among stars of similar age and metallicity reflects chemical inhomogeneity in their birth environments, making abundance scatter a key observabl…
Euclid Q1 reveals spatial variations of the extinction law in the dense cloud LDN 1641
Rui Chen, Shu Wang, Xiaodian Chen +1
Dust extinction laws are essential for precision photometry and provide a direct probe of grain properties, but their behaviour in dense molecular clouds remains poorly constrained…
Early Results from GLASS-JWST. XXVI. Spatially Resolved Star Formation and Balmer Decrements at from NIRISS Slitless Spectroscopy
Pengfei Ren, Xin Wang, Yuxuan Pang +10
Using JWST/NIRISS slitless spectroscopy, we present spatially resolved Balmer decrement measurements for 79 galaxies at , which are gravitationally lensed by the for…
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…
PhDLspec: physical-prior embedded deep learning method for spectroscopic determination of stellar labels in high-dimensional parameter space
Tianmin Wu, Maosheng Xiang, Jianrong Shi +4
Unlocking the full physical information encoded in low-resolution spectra poses a significant challenge for astronomical survey analysis. Such a task demands modeling spectra and o…
SwinYNet: A Transformer-based Multi-Task Model for Accurate and Efficient FRB Search
Yunchuan Chen, Shulei Ni, Chan Li +11
In this study, we present a transformer-based multi-task model for Fast Radio Burst (FRB) detection, signal segmentation, and parameter estimation directly from time-frequency data…