An Hα Cloud in the HI Tail: Recent Star Formation in the Outskirts of NGC 4258 Revealed by Nanshan 1 m Telescope
文献类型：期刊论文
| 作者 | Cheng, Cheng6,7; Huang, Jia-Sheng6,7,8; Wei, Peng9; Esamdin, Ali9,10; Feng, Guojie9,10; Zhang, Zhi-Xiang1; Yan, Haojing2; Du, Wei3,7; Zuo, Pei3; Li, Zijian4,6 |
| 刊名 | ASTRONOMICAL JOURNAL
 |
| 出版日期 | 2025-09-01 |
| 卷号 | 170期号:3页码:145 |
| ISSN号 | 0004-6256 |
| DOI | 10.3847/1538-3881/adeb53 |
| 产权排序 | 4 |
| 英文摘要 | We present first-light deep H alpha imaging taken with the Nanshan 1 m wide-field telescope on the local galaxy NGC 4258, alongside archival data from Hubble Space telescope (HST), Westerbork Synthesis Radio Telescope, and The Dark Energy Camera Legacy Survey. The H alpha image shows ongoing star formation not only inside the galaxy but also in an H I cloud in the eastern H I tail, which is roughly 16 kpc away from the main galaxy. The HST images reveal several ultrablue compact objects (F555W - F814W < -0.5 mag, FWHM similar to 0".2) in the H alpha bright region, aligned with the H I tail, suggesting the presence of young open cluster candidate in the H I tail. Our results suggest that wide field H alpha imaging is a valuable tool for investigating recent star formation in the extended regions of NGC 4258. Furthermore, the star formation in diffuse H I tails could highlight an potential aspect of galaxy stellar halo formation, warranting further investigation of the impact of star formation in halos on galaxy evolution. |
| WOS关键词 | IONIZED-GAS ; CHEMICAL ABUNDANCES ; COLLISIONAL DEBRIS ; FORMING GALAXIES ; NEARBY GALAXIES ; FORMATION RATES ; IMAGING SURVEY ; MILKY-WAY ; LINE ; DEEP |
| 资助项目 | MOST divided by National Natural Science Foundation of China (NSFC)https://doi.org/10.13039/501100001809 |
| WOS研究方向 | Astronomy & Astrophysics |
| 语种 | 英语 |
| WOS记录号 | WOS:001544982200001 |
| 出版者 | IOP Publishing Ltd |
| 资助机构 | MOST divided by National Natural Science Foundation of China (NSFC)https://doi.org/10.13039/501100001809 |
| 源URL | [http://ir.xao.ac.cn/handle/45760611-7/8022]  |
| 专题 | 光学天文与技术应用研究室_星团与星系研究团组 |
| 通讯作者 | Cheng, Cheng; Wei, Peng; Esamdin, Ali; Zhang, Zhi-Xiang |
| 作者单位 | 1.Quanzhou Normal Univ, Coll Phys & Informat Engn, Quanzhou 362000, Fujian, Peoples R China 2.Univ Missouri, Dept Phys & Astron, Columbia, MO 65211 USA 3.Chinese Acad Sci, Natl Astron Observ, Beijing 100101, Peoples R China 4.Univ Chinese Acad Sci, Sch Astron & Space Sci, Beijing 100049, Peoples R China 5.Fdn Chilena Astron, Santiago 7500011, Chile 6.Chinese Acad Sci, Natl Astron Observ, Chinese Acad Sci South Amer Ctr Astron, Beijing 100101, Peoples R China 7.Chinese Acad Sci, CAS Key Lab Opt Astron, Natl Astron Observ, Beijing 100101, Peoples R China 8.Harvard Smithsonian Ctr Astrophys, 60 Garden St, Cambridge, MA 02138 USA 9.Chinese Acad Sci, Xinjiang Astron Observ, Urumqi 830011, Xinjiang, Peoples R China 10.Univ Chinese Acad Sci, 19 A Yuquan Rd, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Cheng, Cheng,Huang, Jia-Sheng,Wei, Peng,et al. An Hα Cloud in the HI Tail: Recent Star Formation in the Outskirts of NGC 4258 Revealed by Nanshan 1 m Telescope[J]. ASTRONOMICAL JOURNAL,2025,170(3):145. |
| APA | Cheng, Cheng.,Huang, Jia-Sheng.,Wei, Peng.,Esamdin, Ali.,Feng, Guojie.,...&Yaqup, Shahidin.(2025).An Hα Cloud in the HI Tail: Recent Star Formation in the Outskirts of NGC 4258 Revealed by Nanshan 1 m Telescope.ASTRONOMICAL JOURNAL,170(3),145. |
| MLA | Cheng, Cheng,et al."An Hα Cloud in the HI Tail: Recent Star Formation in the Outskirts of NGC 4258 Revealed by Nanshan 1 m Telescope".ASTRONOMICAL JOURNAL 170.3(2025):145. |
入库方式： OAI收割
来源：新疆天文台
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。