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Optical intraday variability analysis for the BL Lacertae object 1ES 1426+42.8

文献类型：期刊论文

作者Chang, X7; Xiong DR(熊定荣)6; Yi, T F4,5; Liu, C X7; Bhatta, G3; Xu, J R2; Gong, Y L1
刊名MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
出版日期2024-08-07
卷号533期号:1页码:120-130
关键词galaxies: active BL Lacertae objects: general BL Lacertae objects: individual (1ES 1426+42.8) galaxies: photometry
ISSN号0035-8711
DOI10.1093/mnras/stae1839
产权排序第2完成单位
文献子类Article
英文摘要The observation data of blazar 1ES 1426+42.8 were obtained using the 1.02 m optical telescope of Yunnan Observatories during 2021 to 2023. Intraday variability (IDV) is detected on seven nights. We use the turbulent model to investigate the mechanism of IDV in 1ES 1426+42.8. The fitting light curves match the actual IDV curves well. Using this model, we obtain the parameters such as the size of turbulent cells and the width of pulses in the jet. A possible short-lived quasi-periodic oscillation (QPO) of 58.55 pm 8.09 min was detected on 2022 April 26 whose light curve exhibits eight cycles at 3 sigma global significance and confirmed by several different techniques. Through a more detailed analysis of the light curve of this night, we find that the period is shortened from 54.23 min (4 sigma) to 29.71 min (3 sigma). The possible QPO and period shortening phenomenon are best explained by the processes of magnetic reconnections.
学科主题天文学 ; 星系与宇宙学
URL标识查看原文
出版地GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
WOS关键词QUASI-PERIODIC OSCILLATIONS ; ACTIVE GALACTIC NUCLEI ; GAMMA-RAY VARIABILITY ; BLAZAR S5 0716+714 ; MICROVARIABILITY PROPERTIES ; LIGHT-CURVE ; RADIO ; TIMESCALES ; PHOTOMETRY ; INSTABILITY
资助项目National Natural Science Foundation of China[11863007]; National Natural Science Foundation of China[12063005]; National Natural Science Foundation of China[12063007]; National Natural Science Foundation of China[11703078]; Yunnan Province Foundation[2019FB004]; Program for Innovative Research Team (in Science and Technology) in University of Yunnan Province (IRTSTYN); Yunnan Local Colleges Applied Basic Research Projects[2019FH001-12]; China Manned Space Project[CMS-CSST-2021-A06]; Science & Technology Champion Project[202005AB160002]; Yunnan Revitalization Talent Support Program[202105AE160021]; Yunnan Revitalization Talent Support Program[202305AT350002]; Program of the Polish Ministry of Science under the title 'Regional Excellence Initiative', project[RID/SP/0050/2024/1]
WOS研究方向Astronomy & Astrophysics
语种英语
WOS记录号WOS:001285375900003
出版者OXFORD UNIV PRESS
资助机构National Natural Science Foundation of China[11863007, 12063005, 12063007, 11703078] ; Yunnan Province Foundation[2019FB004] ; Program for Innovative Research Team (in Science and Technology) in University of Yunnan Province (IRTSTYN) ; Yunnan Local Colleges Applied Basic Research Projects[2019FH001-12] ; China Manned Space Project[CMS-CSST-2021-A06] ; Science & Technology Champion Project[202005AB160002] ; Yunnan Revitalization Talent Support Program[202105AE160021, 202305AT350002] ; Program of the Polish Ministry of Science under the title 'Regional Excellence Initiative', project[RID/SP/0050/2024/1]
版本出版稿
源URL[http://ir.ynao.ac.cn/handle/114a53/27513]  
专题云南天文台_丽江天文观测站（南方基地）
作者单位1.Department of Astronomy, School of Physics and Astronomy, Yunnan University, Kunming 650091, People’s Republic of China
2.Shandong Provincial Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, School of Space Science and Physics, Institute of Space Sciences, Shandong University, Weihai 264209, People’s Republic of China;
3.Janusz Gil Institute of Astronomy, University of Zielona Góra, ul. Szafrana 2, PL-65-516 Zielona Góra, Poland;
4.Guangxi Key Laboratory for the Relativistic Astrophysics, Nanning 530004, People’s Republic of China;
5.Key Laboratory of Colleges and Universities in Yunnan Province for High-energy Astrophysics, Department of Physics, Yunnan Normal University, Kunming 650500, People’s Republic of China;
6.Yunnan Observatories, Chinese Academy of Sciences, 396 Yangfangwang, Guandu District, Kunming 650216, People’s Republic of China;
7.South-Western Institute for Astronomy Research, Yunnan University, Kunming 650500, People’s Republic of China;
推荐引用方式
GB/T 7714		 Chang, X,Xiong DR,Yi, T F,et al. Optical intraday variability analysis for the BL Lacertae object 1ES 1426+42.8[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2024,533(1):120-130.
APA Chang, X.,熊定荣.,Yi, T F.,Liu, C X.,Bhatta, G.,...&Gong, Y L.(2024).Optical intraday variability analysis for the BL Lacertae object 1ES 1426+42.8.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,533(1),120-130.
MLA Chang, X,et al."Optical intraday variability analysis for the BL Lacertae object 1ES 1426+42.8".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 533.1(2024):120-130.

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