candidatemembersofthepal5gd1cetuspolarandorphantidalstellarhalostreamsfromsdssdr9lamostdr3andapogeecatalogs
文献类型：期刊论文
| 作者 | Li Guangwei1 ; Yanny Brian2; Zhang Haotong1; Bai Zongrui1; Wu Yue1; Dong Yiqiao1; Lei Yajuan1; Yuan Hailong1; Hou Yonghui3; Wang Yuefei3
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| 刊名 | researchinastronomyandastrophysics
 |
| 出版日期 | 2017 |
| 卷号 | 17期号:6页码:62_01 |
| ISSN号 | 1674-4527 |
| 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. |
| 语种 | 英语 |
| 源URL | [http://ir.bao.ac.cn/handle/114a11/39978]  |
| 专题 | 中国科学院国家天文台 |
| 作者单位 | 1.中国科学院国家天文台 2.Fermi National Accelerator Laboratory 3.中铁一局集团第五工程有限公司 |
| 推荐引用方式 GB/T 7714 | Li Guangwei,Yanny Brian,Zhang Haotong,et al. candidatemembersofthepal5gd1cetuspolarandorphantidalstellarhalostreamsfromsdssdr9lamostdr3andapogeecatalogs[J]. researchinastronomyandastrophysics,2017,17(6):62_01. |
| APA | Li Guangwei.,Yanny Brian.,Zhang Haotong.,Bai Zongrui.,Wu Yue.,...&Zhang Yong.(2017).candidatemembersofthepal5gd1cetuspolarandorphantidalstellarhalostreamsfromsdssdr9lamostdr3andapogeecatalogs.researchinastronomyandastrophysics,17(6),62_01. |
| MLA | Li Guangwei,et al."candidatemembersofthepal5gd1cetuspolarandorphantidalstellarhalostreamsfromsdssdr9lamostdr3andapogeecatalogs".researchinastronomyandastrophysics 17.6(2017):62_01. |
入库方式： OAI收割
来源：国家天文台
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