Identification of BASS DR3 sources as stars, galaxies, and quasars by XGBoost

Changhua Li,Yanxia Zhang,Chenzhou Cui,Dongwei Fan,Yongheng Zhao,Xue-Bing Wu,Boliang He,Yunfei Xu,Shanshan Li,Jun Han,Yihan Tao,Linying Mi,Hanxi Yang,Sisi Yang

Monthly Notices of the Royal Astronomical Society（2021）

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摘要

The Beijing-Arizona Sky Survey (BASS) Data Release 3 (DR3) catalogue was released in 2019, which contains the data from all BASS and the Mosaic z-band Legacy Survey (MzLS) observations during 2015 January and 2019 March, about 200 million sources. We cross-match BASS DR3 with spectral data bases from the Sloan Digital Sky Survey (SDSS) and the Large Sky Area Multi-object Fiber Spectroscopic Telesc...

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关键词

methods: data analysis,methods: statistical,astronomical data bases: miscellaneous,catalogues,stars: general,galaxies: general

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