The LAMOST spectroscopic survey of planetary nebulae in M31 and M33

被引：3

作者：

Xiang, Maosheng ^{[1
]}

Liu, Xiaowei ^{[2
]}

Zhang, Meng ^{[2
]}

Yuan, Haibo ^{[3
]}

Huo, Zhiying ^{[1
]}

机构：

[1] Chinese Acad Sci, Natl Astron Observ, Beijing, Peoples R China

[2] Peking Univ, Dept Astron, Beijing, Peoples R China

[3] Beijing Normal Univ, Dept Astron, Beijing, Peoples R China

来源：

PLANETARY NEBULAE: MULTI-WAVELENGTH PROBES OF STELLAR AND GALACTIC EVOLUTION | 2017年 / 12卷 / S323期

关键词：

planetary nebulae: general; galaxies: kinematics and dynamics;

D O I：

10.1017/S1743921317002356

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present LAMOST observations and radial velocity measurements of about 1500 planetary nebulae (PNe) in M31 and M33. Most of the PNe are previously known, but 36 of them are newly discovered in the outskirts of M31, and the furthest one has a projected distance larger than 50 kpc away from the galaxy center. Eighteen objects in the area of M33 are probably newly discovered PNe, and quite a few of them are associated with previously known clusters. For all the 1500 PNe, homogeneous radial velocities are measured from the LAMOST spectra, with a typical uncertainty of a few km s(-1).

引用

页码：388 / 389

页数：2

共 3 条

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