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Discovery of extended structures around two evolved planetary nebulae M2-55 and Abell 2
Hsia, Chih-Hao1; Zhang, Yong2; Zhang XL(张西亮)3; Luo, Tao1
发表期刊RESEARCH IN ASTRONOMY AND ASTROPHYSICS
2020-07-01
卷号20期号:7页码:12
DOI10.1088/1674-4527/20/7/107
产权排序第3完成单位
收录类别SCI
关键词infrared ISM ISM structure planetary nebulae individual (M 2-55 and Abell 2) stars AGB and post-AGB
摘要

We report a multi-wavelength study of two evolved planetary nebulae (PNs)M2-55 and Abell 2. Deep optical narrow-band images ([O III], H alpha, and [N II]) of M2-55 reveal two pairs of bipolar lobes and a new faint arc-like structure. This arc-shaped filament around M2-55 appears as a well-defined boundary from southwest to southeast, strongly suggesting that this nebula is in interaction with its surrounding interstellar medium. From the imaging data ofWide-field Infrared Survey Explorer(WISE) all-sky survey, we discovered extensive mid-infrared halos around these PNs, which are approximately twice the size of their main nebulae seen in the visible.We also present a mid-resolution optical spectrum of M2-55, which shows that it is a high-excitation evolved PN with a low electron density of 250 cm(-3). Furthermore, we investigate the properties of these nebulae from their spectral energy distributions (SEDs) by means of archival data.

资助项目MoST grant[108-2112-M-008-001] ; Chinese Academy of Sciences ; People's Government of Yunnan Province ; Science and Technology Development Fund, Macau SAR[061/2017/A2] ; Science and Technology Development Fund, Macau SAR[0007/2019/A] ; Faculty Research Grants of Macau University of Science and Technology[FRG-19-004-SSI] ; National Natural Science Foundation of China (NSFC)[U1731122] ; NSFC[11973099]
项目资助者MoST grant[108-2112-M-008-001] ; Chinese Academy of Sciences ; People's Government of Yunnan Province ; Science and Technology Development Fund, Macau SAR[061/2017/A2, 0007/2019/A] ; Faculty Research Grants of Macau University of Science and Technology[FRG-19-004-SSI] ; National Natural Science Foundation of China (NSFC)[U1731122] ; NSFC[11973099]
语种英语
学科领域天文学 ; 恒星与银河系
学科门类理学 ; 理学::天文学
文章类型Article
出版者NATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES
出版地20A DATUN RD, CHAOYANG, BEIJING, 100012, PEOPLES R CHINA
ISSN1674-4527
URL查看原文
WOS记录号WOS:000554991900001
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]EXPANSION VELOCITIES ; EVOLUTION ; MASS ; CATALOG ; AGB ; TEMPERATURES ; PROGENITORS ; MORPHOLOGY ; EMISSION ; EXPLORER
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/23618
专题南方基地
通讯作者Hsia, Chih-Hao
作者单位1.State Key Laboratory of Lunar and Planetary Sciences, Macau University of Science and Technology, Taipa, Macau, China
2.School of Physics and Astronomy, Sun Yat-Sen University Zhuhai Campus, Tangjia, Zhuhai 519082, China
3.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650216, China
推荐引用方式
GB/T 7714
Hsia, Chih-Hao,Zhang, Yong,Zhang XL,et al. Discovery of extended structures around two evolved planetary nebulae M2-55 and Abell 2[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2020,20(7):12.
APA Hsia, Chih-Hao,Zhang, Yong,Zhang XL,&Luo, Tao.(2020).Discovery of extended structures around two evolved planetary nebulae M2-55 and Abell 2.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,20(7),12.
MLA Hsia, Chih-Hao,et al."Discovery of extended structures around two evolved planetary nebulae M2-55 and Abell 2".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 20.7(2020):12.
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