New tidal debris nearby the Sagittarius leading tail from the LAMOST DR2 M giant stars

• 作 者: Jing Li Chao Liut Jeffrey L. C
• 机 构: KeyLaboratoryofGalaxiesandCosmology,UniversityofChineseAcademyofSciences,KeyLaboratoryofOpticalAstro
• 出 处: 天文和天体物理学研究：英文版
• 发表日期: 2016年8期
• 关键词: GALAXY halo—Galaxy structure—Galaxy kinematics and dynamics Galaxy： halo -- Gala
• 基金项目: Acknowledgements We thank Martin Smith for his kind support on this project. This work is supported by the Strategic Priority Research Program ＂The Emergence of Cosmological Structures＂ of the Chinese

We report two new sets of tidal debris nearby the Sagittarius（Sgr） tidal stream in the north Galactic cap（NGC） identified from the M giant stars in LAMOST DR2. The M giant stars located in the sky area of 210?<Λ< 290?, and having a distance of 10–20