基本信息来源于合作网站,原文需代理用户跳转至来源网站获取       
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] ~-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.
推荐文章
期刊_丙丁烷TDLAS测量系统的吸收峰自动检测
带间级联激光器
调谐半导体激光吸收光谱
雾剂检漏 中红外吸收峰 洛伦兹光谱线型
期刊_联合空间信息的改进低秩稀疏矩阵分解的高光谱异常目标检测
高光谱图像
异常目标检测 低秩稀疏矩阵分解 稀疏矩阵 残差矩阵
内容分析
关键词云
关键词热度
相关文献总数  
(/次)
(/年)
文献信息
篇名 Candidate members of the Pal 5, GD-1, Cetus Polar and Orphan tidal stellar halo streams from SDSS DR9, LAMOST DR3 and APOGEE catalogs
来源期刊 天文和天体物理学研究 学科
关键词
年,卷(期) 2017,(6) 所属期刊栏目
研究方向 页码范围 117-128
页数 12页 分类号
字数 语种 英文
DOI 10.1088/1674-4527/17/6/62
五维指标
传播情况
(/次)
(/年)
引文网络
引文网络
二级参考文献  (0)
共引文献  (0)
参考文献  (0)
节点文献
引证文献  (0)
同被引文献  (0)
二级引证文献  (0)
2017(0)
  • 参考文献(0)
  • 二级参考文献(0)
  • 引证文献(0)
  • 二级引证文献(0)
引文网络交叉学科
相关学者/机构
期刊影响力
天文和天体物理学研究
月刊
1674-4527
11-5721/P
北京朝阳区大屯路甲20号国家天文台 RAA编辑部
eng
出版文献量(篇)
2613
总下载数(次)
0
  • 期刊分类
  • 期刊(年)
  • 期刊(期)
  • 期刊推荐
论文1v1指导