Planetary nebulae in the circumnuclear region of M31: a spectroscopic sample
文献类型：期刊论文
| 作者 | Li, An-Qi1,2; Li, Zhi-Yuan1,2; Dong, Hui3; Fang, Xuan4,5,6; Xu, Xiao-Jie1,2 |
| 刊名 | RESEARCH IN ASTRONOMY AND ASTROPHYSICS
 |
| 出版日期 | 2018-10-01 |
| 卷号 | 18期号:11页码:14 |
| ISSN号 | 1674-4527 |
| 关键词 | planetary nebulae: general galaxies: individual (M31) |
| DOI | 10.1088/1674-4527/18/11/140 |
| 英文摘要 | Planetary nebulae (PNe) arc an important tool for studying the dynamics and chemical evolution of galaxies in the Local Universe, given their characteristic bright emission line spectra. The Andromeda Galaxy (M31) provides a unique laboratory for studying PNe in the circumnuclear region, thanks to its proximity and almost uniformly low line-of-sight extinction that ensures observations with high resolution and sensitivity. Using the WIYN/Hydra multi-fiber spectrograph, we have obtained optical (4119-6882 angstrom) spectra of 77 PN candidates selected from Hubble Space Telescope narrow-band imaging, which are located within the central similar to 500 pc region of M31. Among these candidates, 49 (64%) are spectroscopically observed for the first time. The spectra of 300 previously known PNe and H II regions, which primarily reside in the disk, are also taken for comparison. All 77 circumnuclear PN candidates exhibit prominent emission lines, including [O III] lambda 5007, [N II] lambda 6583, H alpha and H beta, strongly suggesting that they are genuine PNe. We measured the line fluxes, radial velocities and line widths for all objects, and found that the radial velocities of the circumnuclear PNe generally trace rotation of the inner bulge. We also estimated a dynamical mass of similar to 6.4 +/- 0.5 x 10(9) M-circle dot enclosed within an effective galactocentric radius of 340 pc, which is compatible with the previously estimated total stellar mass in this region. |
| WOS关键词 | X-RAY SOURCES ; ANDROMEDA GALAXY ; IONIZED-GAS ; LUMINOSITY FUNCTION ; ELLIPTIC GALAXIES ; STANDARD CANDLES ; LINE-INTENSITIES ; SAURON VIEW ; BULGE ; SPECTRA |
| 资助项目 | National Key Research and Development Program of China[2017YFA0402703] ; National Natural Science Foundation of China[11133001] ; Recruitment Program of Global Youth Experts ; European Research Council under the European Union's Seventh Framework Programme (FP7/2007-2013)/ERC[614922] |
| WOS研究方向 | Astronomy & Astrophysics |
| 语种 | 英语 |
| 出版者 | NATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES |
| WOS记录号 | WOS:000448829000010 |
| 资助机构 | National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Recruitment Program of Global Youth Experts ; Recruitment Program of Global Youth Experts ; European Research Council under the European Union's Seventh Framework Programme (FP7/2007-2013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP7/2007-2013)/ERC ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Recruitment Program of Global Youth Experts ; Recruitment Program of Global Youth Experts ; European Research Council under the European Union's Seventh Framework Programme (FP7/2007-2013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP7/2007-2013)/ERC ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Recruitment Program of Global Youth Experts ; Recruitment Program of Global Youth Experts ; European Research Council under the European Union's Seventh Framework Programme (FP7/2007-2013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP7/2007-2013)/ERC ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Recruitment Program of Global Youth Experts ; Recruitment Program of Global Youth Experts ; European Research Council under the European Union's Seventh Framework Programme (FP7/2007-2013)/ERC ; European Research Council under the European Union's Seventh Framework Programme (FP7/2007-2013)/ERC |
| 源URL | [http://ir.bao.ac.cn/handle/114a11/23149]  |
| 专题 | 中国科学院国家天文台 |
| 通讯作者 | Li, Zhi-Yuan |
| 作者单位 | 1.Nanjing Univ, Sch Astron & Space Sci, Nanjing 210046, Jiangsu, Peoples R China 2.Nanjing Univ, Key Lab Modern Astron & Astrophys, Nanjing 210046, Jiangsu, Peoples R China 3.Inst Astrofis Andalucia, CSIC, Glorieta Astron S-N, Granada 18008, Spain 4.Univ Hong Kong, Fac Sci, Lab Space Res, Hong Kong, Hong Kong, Peoples R China 5.Univ Hong Kong, Fac Sci, Dept Earth Sci, Hong Kong, Hong Kong, Peoples R China 6.Chinese Acad Sci, Key Lab Opt Astron, Natl Astron Observ, 20A Datun Rd, Beijing 100101, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, An-Qi,Li, Zhi-Yuan,Dong, Hui,et al. Planetary nebulae in the circumnuclear region of M31: a spectroscopic sample[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2018,18(11):14. |
| APA | Li, An-Qi,Li, Zhi-Yuan,Dong, Hui,Fang, Xuan,&Xu, Xiao-Jie.(2018).Planetary nebulae in the circumnuclear region of M31: a spectroscopic sample.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,18(11),14. |
| MLA | Li, An-Qi,et al."Planetary nebulae in the circumnuclear region of M31: a spectroscopic sample".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 18.11(2018):14. |
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来源：国家天文台
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