中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Optical and X-Ray Observations of MAXI J1820+070 During the Early Outburst Phase in 2018: Zooming in the Low Frequency QPOs*

文献类型:期刊论文

作者Mao, Dong-Ming4,5; Yu, Wen-Fei5; Zhang JJ(张居甲)3,6; Yan, Zhen5; Rapisarda, Stefano5; Wang, Xiao-Feng1,2; Bai JM(白金明)3,6
刊名RESEARCH IN ASTRONOMY AND ASTROPHYSICS
出版日期2022-04-01
卷号22期号:4
关键词X-ray stars Low mass binary stars X-ray transient sources
ISSN号1674-4527
DOI10.1088/1674-4527/ac538a
产权排序第3完成单位
文献子类Article
英文摘要

We report a further investigation of the optical low frequency quasi periodic oscillations (LF QPOs) detected in the black hole transient MAXI J1820+070 in the 2018 observations with the YFOSC mounted on Lijiang 2.4 m telescope (LJT). In addition, we make use of the Insight-HXMT/HE observations to measure the properties of the quasi-simultaneous X-ray LF QPOs of MAXI J1820+070 on the same day. We compared the centroid frequency, the full width at half maximum (FWHM) and the fractional rms of the LF QPOs in both wavelength ranges. We found that the centroid frequency of the optical QPO is at a frequency of 51.58 mHz, which is consistent with that of the X-ray LF QPO detected on the same day within 1 mHz. We also found that the FWHM of the optical LF QPO is significantly smaller than that of the X-ray LF QPO, indicating that the optical QPO has a higher coherence. The quasi-simultaneous optical and the X-ray LF QPO at a centroid frequency of about 52 mHz suggests that the actual mechanisms of these LF QPOs as the Lense-Thirring precession should work in the vicinity of a radius of about 80-117 gravitational radii (R ( g ) = GM/c (2), M is the mass of the black hole) from the black hole if the QPO frequency is related to a proxy of the orbital frequency in the accretion flow as the Lense-Thirring precession model suggests. Furthermore, the apparent higher coherence of the optical QPO favors that it is a more original signal as compared with the X-ray QPO.

学科主题天文学 ; 恒星与银河系
URL标识查看原文
出版地20A DATUN RD, CHAOYANG, BEIJING, 100012, PEOPLES R CHINA
WOS关键词QUASI-PERIODIC OSCILLATIONS ; ACCRETION-EJECTION INSTABILITY ; BLACK-HOLE BINARIES ; CYGNUS X-1 ; LIGHT CURVES ; VARIABILITY ; SPECTRUM ; MODEL
资助项目National Natural Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC)[U1838203] ; National Natural Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC)[11333005] ; National Program on Key Research and Development Project[2016YFA0400804] ; Chinese Academy of Sciences (CAS)Chinese Academy of Sciences ; People's Government of Yunnan Province ; China National Space Administration ; CASChinese Academy of Sciences ; NSFCNational Natural Science Foundation of China (NSFC)[12173082] ; NSFCNational Natural Science Foundation of China (NSFC)[11773067] ; NSFCNational Natural Science Foundation of China (NSFC)[11773055] ; NSFCNational Natural Science Foundation of China (NSFC)[U1938114] ; Youth Innovation Promotion Association of the CAS[2018081] ; Ten Thousand Talents Program of Yunnan for Top-notch Young Talents ; Scholar Program of Beijing Academy of Science and Technology[DZ:BS202002]
WOS研究方向Astronomy & Astrophysics
语种英语
WOS记录号WOS:000771739300001
出版者NATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES
资助机构National Natural Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC)[U1838203, 11333005] ; National Program on Key Research and Development Project[2016YFA0400804] ; Chinese Academy of Sciences (CAS)Chinese Academy of Sciences ; People's Government of Yunnan Province ; China National Space Administration ; CASChinese Academy of Sciences ; NSFCNational Natural Science Foundation of China (NSFC)[12173082, 11773067, 11773055, U1938114] ; Youth Innovation Promotion Association of the CAS[2018081] ; Ten Thousand Talents Program of Yunnan for Top-notch Young Talents ; Scholar Program of Beijing Academy of Science and Technology[DZ:BS202002]
版本出版稿
源URL[http://ir.ynao.ac.cn/handle/114a53/24977]  
专题云南天文台_丽江天文观测站(南方基地)
云南天文台_中国科学院天体结构与演化重点实验室
通讯作者Yu, Wen-Fei
作者单位1.Physics Department, Tsinghua University, Beijing 100084, China;
2.Beijing Planetarium, Beijing Academy of Sciences and Technology, Beijing 100044, China
3.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011, China;
4.University of Chinese Academy of Sciences, Beijing 100049, China;
5.Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China; wenfei@shao.ac.cn;
6.Key Laboratory for the Structure and Evolution of Celestial Objects, CAS, Kunming 650216, China;
推荐引用方式
GB/T 7714
Mao, Dong-Ming,Yu, Wen-Fei,Zhang JJ,et al. Optical and X-Ray Observations of MAXI J1820+070 During the Early Outburst Phase in 2018: Zooming in the Low Frequency QPOs*[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2022,22(4).
APA Mao, Dong-Ming.,Yu, Wen-Fei.,Zhang JJ.,Yan, Zhen.,Rapisarda, Stefano.,...&Bai JM.(2022).Optical and X-Ray Observations of MAXI J1820+070 During the Early Outburst Phase in 2018: Zooming in the Low Frequency QPOs*.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,22(4).
MLA Mao, Dong-Ming,et al."Optical and X-Ray Observations of MAXI J1820+070 During the Early Outburst Phase in 2018: Zooming in the Low Frequency QPOs*".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 22.4(2022).

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来源:云南天文台

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