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Candidate members of the Pal 5, GD-1, Cetus Polar and Orphan tidal stellar halo streams from SDSS DR9, LAMOST DR3 and APOGEE catalogs

文献类型：期刊论文

作者Lei, Ya-Juan1; Dong, Yi-Qiao1; Wu, Yue1; Bai, Zong-Rui1; Zhang, Hao-Tong1; Yanny, Brian3; Li, Guang-Wei1; Wang, Yue-Fei2; Zhang, Yong2; Hou, Yong-Hui2
刊名RESEARCH IN ASTRONOMY AND ASTROPHYSICS
出版日期2017-06-01
卷号17期号:6
关键词Galaxy: Structure General: Stream Galaxy: Structure Individual (Gd-1 Orphan Cetus Pal 5)
DOI10.1088/1674-4527/17/6/62
文献子类Article
英文摘要We present candidate members of the Pal 5, GD-1, Cetus Polar and Orphan tidal stellar streams found in LAMOST DR3, SDSS DR9 and APOGEE catalogs. In LAMOST DR3, we find 20, 4 and 24 high confidence candidates of tidal streams GD-1, Cetus Polar and Orphan respectively. We also list 59, 118 and 10 high confidence candidates of tidal streams Cetus Polar, Orphan and Pal 5, respectively from the SDSS DR9 spectroscopic catalog. Furthermore, we find seven high confidence candidates of the Pal 5 tidal stream in the APOGEE data. Compared with SDSS, the new candidates from LAMOST DR3 are brighter, so that together, more of the color-magnitude diagram, including the giant branch, can be explored. Analysis of the SDSS data shows that there are three metallicity peaks associated with the Orphan stream which also exhibit some spatial separation. The LAMOST data confirm multiple metallicities in this stream. The metallicity, given by the higher resolution APOGEE instrument, of the Pal 5 tidal stream is [Fe/H] similar to -1.2, higher than that given earlier by SDSS spectra. Many previously unidentified stream members are tabulated here for the first time, along with existing members, allowing future researchers to further constrain the orbits of these objects as they move within the Galaxy's dark matter potential.
WOS关键词DIGITAL SKY SURVEY ; GALACTIC HALO ; SAGITTARIUS ; GALAXY ; STARS ; SPECTROSCOPY ; TELESCOPE ; CLUSTERS ; SEGUE ; ORBIT
WOS研究方向Astronomy & Astrophysics
语种英语
WOS记录号WOS:000408362700014
资助机构National Natural Science Foundation of China (NSFC)(Y011161001 ; National Natural Science Foundation of China (NSFC)(Y011161001 ; US NSF LAMOST-PLUS grant ; US NSF LAMOST-PLUS grant ; Guangdong Provincial Engineering Technology Research Center for Data Science ; Guangdong Provincial Engineering Technology Research Center for Data Science ; National Development and Reform Commission ; National Development and Reform Commission ; 11403056 ; 11403056 ; 11673036 ; 11673036 ; 11333004) ; 11333004) ; National Natural Science Foundation of China (NSFC)(Y011161001 ; National Natural Science Foundation of China (NSFC)(Y011161001 ; US NSF LAMOST-PLUS grant ; US NSF LAMOST-PLUS grant ; Guangdong Provincial Engineering Technology Research Center for Data Science ; Guangdong Provincial Engineering Technology Research Center for Data Science ; National Development and Reform Commission ; National Development and Reform Commission ; 11403056 ; 11403056 ; 11673036 ; 11673036 ; 11333004) ; 11333004)
源URL[http://ir.bao.ac.cn/handle/114a11/20140]  
专题国家天文台_光学天文研究部
作者单位1.Chinese Acad Sci, Natl Astron Observ, Key Lab Opt Astron, Beijing 100012, Peoples R China
2.Chinese Acad Sci, Nanjing Inst Astron Opt & Technol, Natl Astron Observ, Nanjing 210042, Jiangsu, Peoples R China
3.Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA
推荐引用方式
GB/T 7714		 Lei, Ya-Juan,Dong, Yi-Qiao,Wu, Yue,et al. Candidate members of the Pal 5, GD-1, Cetus Polar and Orphan tidal stellar halo streams from SDSS DR9, LAMOST DR3 and APOGEE catalogs[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2017,17(6).
APA Lei, Ya-Juan.,Dong, Yi-Qiao.,Wu, Yue.,Bai, Zong-Rui.,Zhang, Hao-Tong.,...&Yuan, Hai-Long.(2017).Candidate members of the Pal 5, GD-1, Cetus Polar and Orphan tidal stellar halo streams from SDSS DR9, LAMOST DR3 and APOGEE catalogs.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,17(6).
MLA Lei, Ya-Juan,et al."Candidate members of the Pal 5, GD-1, Cetus Polar and Orphan tidal stellar halo streams from SDSS DR9, LAMOST DR3 and APOGEE catalogs".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 17.6(2017).

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