Understanding the Activity Performance of Comets 38P/Stephan-Oterma, 64P/Swift-Gehrels and C/2017 M4 (ATLAS) through Broadband Photometric Observations
文献类型：期刊论文
| 作者 | Zhang, Xuan ; Liu, Jin-Zhong; Wang, Le-Tian
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| 刊名 | RESEARCH IN ASTRONOMY AND ASTROPHYSICS
 |
| 出版日期 | 2024-08-01 |
| 卷号 | 24期号:8页码:085013 |
| 关键词 | comets: general comets: individual (38P/Stephan-Oterma, 64P/Swift-Gehrels, C/2017 M4 (ATLAS)) techniques: photometric |
| ISSN号 | 1674-4527 |
| DOI | 10.1088/1674-4527/ad6350 |
| 产权排序 | 1 |
| 英文摘要 | In this work, we report observations of three comets: 38P/Stephan-Oterma, 64P/Swift-Gehrels, and C/2017 M4 (ATLAS), conducted with the Nanshan one-meter wide-field telescope in 2018 August and November, and 2019 January. We extracted morphological features through image enhancement techniques and calculated the dust activity parameter, Af rho, along with dust mass loss rates and coma color indices using broadband photometric data. Our morphological analysis uncovered a spectrum of dust characteristics among the observed comets, ranging from a significant twisted structure in comet 38P/Stephan-Oterma's coma to the regular coma envelope surrounding comet 64P/Swift-Gehrels. The Af rho values varied between 148.8 +/- 0.3 cm for 64P/Swift-Gehrels and 1118.5 +/- 6.2 cm for C/2017 M4 (ATLAS) (measured within a reference aperture radius of rho = 6 ''), indicating a range from moderate to high activity levels. Dust mass loss rates were estimated from 328.1 kg s(-1) for comet 64P/Swift-Gehrels to 1395.5 kg s(-1) for comet C/2017 M4 (ATLAS). The color indices of comets 38P/Stephan-Oterma and C/2017 M4 (ATLAS) closely resemble the average colors of active short-period comets and active long-period comets, respectively. In contrast, 64P/Swift-Gehrels exhibits a significantly bluer hue than typical Jupiter family comets. |
| WOS关键词 | O1 HALE-BOPP ; COMA MORPHOLOGY ; INNER COMA ; DUST ; PERIOD ; AU ; ROTATION ; FEATURES ; TIME |
| 资助项目 | Natural Science Foundation of Xinjiang Uygur Autonomous Region of China[2021D01B112] ; Tianshan Talent Training Program[2023TSYCCX0101] |
| WOS研究方向 | Astronomy & Astrophysics |
| 语种 | 英语 |
| WOS记录号 | WOS:001285624600001 |
| 出版者 | NATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES |
| 资助机构 | Natural Science Foundation of Xinjiang Uygur Autonomous Region of China ; Tianshan Talent Training Program |
| 源URL | [http://ir.xao.ac.cn/handle/45760611-7/6910]  |
| 专题 | 光学天文与技术应用研究室_星团与星系研究团组 光学天文与技术应用研究室_利用南山1米大视场望远镜（NOWT）观测数据的文章 |
| 通讯作者 | Liu, Jin-Zhong |
| 作者单位 | Chinese Acad Sci, Xinjiang Astron Observ, Urumqi 830011, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhang, Xuan,Liu, Jin-Zhong,Wang, Le-Tian. Understanding the Activity Performance of Comets 38P/Stephan-Oterma, 64P/Swift-Gehrels and C/2017 M4 (ATLAS) through Broadband Photometric Observations[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2024,24(8):085013. |
| APA | Zhang, Xuan,Liu, Jin-Zhong,&Wang, Le-Tian.(2024).Understanding the Activity Performance of Comets 38P/Stephan-Oterma, 64P/Swift-Gehrels and C/2017 M4 (ATLAS) through Broadband Photometric Observations.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,24(8),085013. |
| MLA | Zhang, Xuan,et al."Understanding the Activity Performance of Comets 38P/Stephan-Oterma, 64P/Swift-Gehrels and C/2017 M4 (ATLAS) through Broadband Photometric Observations".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 24.8(2024):085013. |
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来源：新疆天文台
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