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The LAMOST spectroscopic survey of planetary nebulae in M31 and M33

  • Maosheng Xiang (a1), Xiaowei Liu (a2), Meng Zhang (a2), Haibo Yuan (a3) and Zhiying Huo (a1)...

Abstract

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.

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References

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Halliday, C., Carter, D., Bridges, T. J., Jackson, Z. C., Wilkinson, M. I., Quinn, D. P., Evans, N. W., Douglas, N. G., Merrett, H. R., Merrifield, M. R., Romanowsky, A. J., Kuijken, K., & Irwin, M. J. 2006 MNRAS, 369, 97
Merrett, H. R., Merrifield, M. R., Douglas, N. G., Kuijken, K., Romanowsky, A. J., Napolitano, N. R., Arnaboldi, M., Capaccioli, M., Freeman, K. C., Gerhard, O., Coccato, L., Carter, D., Evans, N. W., Wilkinson, M. I., Halliday, C., & Bridges, T. J. 2006 MNRAS, 369, 120
Yuan, H.-B., Liu, X.-W., Huo, Z.-Y., Zhang, H.-H., Zhao, Y.-H., Chen, J.-J., Bai, Z.-R., Zhang, H.-T., Zhang, H.-W., García-Benito, R., Xiang, M.-S., Yan, H.-L., Ren, J.-J., Sun, S.-W., Zhang, Y., Li, Y.-P., Lu, Q.-S., Wang, Y., Ni, J.-J., & Wang, H., 2010, Research in Astronomy & Astrophysics, 10, 599
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Keywords

The LAMOST spectroscopic survey of planetary nebulae in M31 and M33

  • Maosheng Xiang (a1), Xiaowei Liu (a2), Meng Zhang (a2), Haibo Yuan (a3) and Zhiying Huo (a1)...

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