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The LAMOST spectroscopic survey of planetary nebulae in M31 and M33

Published online by Cambridge University Press:  08 August 2017

Maosheng Xiang ,
Xiaowei Liu ,
Meng Zhang ,
Haibo Yuan  and
Zhiying Huo
Maosheng Xiang
Affiliation:
National Astronomical Observatories, Chinese Academy of Science, China email: msxiang@nao.cas.cn
Xiaowei Liu
Affiliation:
Department of Astronomy, Peking University, China email: x.liu@pku.edu.cn
Meng Zhang
Affiliation:
Department of Astronomy, Peking University, China email: x.liu@pku.edu.cn
Haibo Yuan
Affiliation:
Department of Astronomy, Beijing Normal University, China
Zhiying Huo
Affiliation:
National Astronomical Observatories, Chinese Academy of Science, China email: msxiang@nao.cas.cn
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Abstract

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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.

Keywords

planetary nebulae: generalgalaxies: kinematics and dynamics
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 12 , Symposium S323: Planetary Nebulae: Multi-Wavelength Probes of Stellar and Galactic Evolution , October 2016 , pp. 388 - 389
Copyright
Copyright © International Astronomical Union 2017 

References

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