NAOC Open IR
Multicolor Optical Monitoring of the Blazar S5 0716+714 from 2017 to 2019
Xiong, Dingrong1,2,3; Bai, Jinming1,2,3; Fan, Junhui4,5; Yan, Dahai1,2,3; Gu, Minfeng6; Fan, Xuliang7; Mao, Jirong1,2,3; Ding, Nan8,9; Xue, Rui8,9; Yi, Weimin1,2,3,10
2020-04-01
Source PublicationASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
ISSN0067-0049
Volume247Issue:2Pages:16
AbstractWe continuously monitored the blazar S5 0716+714 in the optical g, r, and i bands from 2017 November 10 to 2019 June 6. The total number of observations is 201 nights including 26,973 data points. This is a very large quasi-simultaneous multicolor sample for the blazar. The average time spans and time resolutions are 3.4 hr and 2.9 minutes per night, respectively. During the period of observations, the target source in the r band brightens from 14(m).16 to 12(m).29 together with five prominent subflares, and then becomes fainter to 14(m).76, and again brightens to 12(m).94 with seven prominent subflares. For the long-term variations, we find a strong flatter-when-brighter (FWB) trend at a low-flux state and then a weak FWB trend at a higher-flux state. A weak FWB trend at a low-flux state and then a strong FWB trend at a higher-flux state are also reported. Most subflares show strong FWB trends, except for two flares with a weak FWB trend. The particle acceleration and cooling mechanisms together with the superposition of the different FWB slopes from the subflares likely explain the optical color behaviors. A scenario of bent jet is discussed.
Funding OrganizationNational Nature Science Foundation of China ; National Nature Science Foundation of China ; Chinese Western Young Scholars Program by CAS ; Chinese Western Young Scholars Program by CAS ; Yunnan Province Foundation ; Yunnan Province Foundation ; National Aeronautics and Space Administration ; National Aeronautics and Space Administration ; Fermi Guest Investigator grants ; Fermi Guest Investigator grants ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; Chinese Western Young Scholars Program by CAS ; Chinese Western Young Scholars Program by CAS ; Yunnan Province Foundation ; Yunnan Province Foundation ; National Aeronautics and Space Administration ; National Aeronautics and Space Administration ; Fermi Guest Investigator grants ; Fermi Guest Investigator grants ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; Chinese Western Young Scholars Program by CAS ; Chinese Western Young Scholars Program by CAS ; Yunnan Province Foundation ; Yunnan Province Foundation ; National Aeronautics and Space Administration ; National Aeronautics and Space Administration ; Fermi Guest Investigator grants ; Fermi Guest Investigator grants ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; Chinese Western Young Scholars Program by CAS ; Chinese Western Young Scholars Program by CAS ; Yunnan Province Foundation ; Yunnan Province Foundation ; National Aeronautics and Space Administration ; National Aeronautics and Space Administration ; Fermi Guest Investigator grants ; Fermi Guest Investigator grants
DOI10.3847/1538-4365/ab789b
WOS KeywordBL-LAC OBJECTS ; RAY LIGHT CURVES ; INTRADAY VARIABILITY ; PHYSICAL-PROPERTIES ; X-RAY ; SPECTRAL VARIABILITY ; LACERTAE OBJECTS ; CAMPAIGN ; COLOR ; WEBT
Language英语
Funding ProjectNational Nature Science Foundation of China[11703078] ; National Nature Science Foundation of China[11991051] ; National Nature Science Foundation of China[U1738124] ; National Nature Science Foundation of China[11733001] ; Chinese Western Young Scholars Program by CAS[Y7XB018001] ; Yunnan Province Foundation[2019FB004] ; National Aeronautics and Space Administration ; Fermi Guest Investigator grants[NNX08AW56G] ; Fermi Guest Investigator grants[NNX09AU10G] ; Fermi Guest Investigator grants[NNX12AO93G] ; Fermi Guest Investigator grants[NNX15AU81G]
Funding OrganizationNational Nature Science Foundation of China ; National Nature Science Foundation of China ; Chinese Western Young Scholars Program by CAS ; Chinese Western Young Scholars Program by CAS ; Yunnan Province Foundation ; Yunnan Province Foundation ; National Aeronautics and Space Administration ; National Aeronautics and Space Administration ; Fermi Guest Investigator grants ; Fermi Guest Investigator grants ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; Chinese Western Young Scholars Program by CAS ; Chinese Western Young Scholars Program by CAS ; Yunnan Province Foundation ; Yunnan Province Foundation ; National Aeronautics and Space Administration ; National Aeronautics and Space Administration ; Fermi Guest Investigator grants ; Fermi Guest Investigator grants ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; Chinese Western Young Scholars Program by CAS ; Chinese Western Young Scholars Program by CAS ; Yunnan Province Foundation ; Yunnan Province Foundation ; National Aeronautics and Space Administration ; National Aeronautics and Space Administration ; Fermi Guest Investigator grants ; Fermi Guest Investigator grants ; National Nature Science Foundation of China ; National Nature Science Foundation of China ; Chinese Western Young Scholars Program by CAS ; Chinese Western Young Scholars Program by CAS ; Yunnan Province Foundation ; Yunnan Province Foundation ; National Aeronautics and Space Administration ; National Aeronautics and Space Administration ; Fermi Guest Investigator grants ; Fermi Guest Investigator grants
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000546630100001
PublisherIOP PUBLISHING LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/82842
Collection中国科学院国家天文台
Corresponding AuthorXiong, Dingrong
Affiliation1.Chinese Acad Sci, Yunnan Observ, 396 Yangfangwang, Kunming 650216, Yunnan, Peoples R China
2.Chinese Acad Sci, Ctr Astron Mega Sci, 20A Datun Rd, Beijing 100012, Peoples R China
3.Chinese Acad Sci, Key Lab Struct & Evolut Celestial Objects, 396 Yangfangwang, Kunming 650216, Yunnan, Peoples R China
4.Guangzhou Univ, Ctr Astrophys, Guangzhou 510006, Peoples R China
5.Dept Educ Guangdong Prov, Astron Sci & Technol Res Lab, Guangzhou 510006, Peoples R China
6.Chinese Acad Sci, Key Lab Res Galaxies & Cosmol, Shanghai Astron Observ, 80 Nandan Rd, Shanghai 200030, Peoples R China
7.Shanghai Univ Engn Sci, Sch Math Phys & Stat, Shanghai 201620, Peoples R China
8.Nanjing Univ, Sch Astron & Space Sci, Nanjing 210093, Jiangsu, Peoples R China
9.Nanjing Univ, Minist Educ, Key Lab Modern Astron & Astrophys, Nanjing 210093, Peoples R China
10.Penn State Univ, Dept Astron & Astrophys, 525 Davey Lab, University Pk, PA 16802 USA
Recommended Citation
GB/T 7714
Xiong, Dingrong,Bai, Jinming,Fan, Junhui,et al. Multicolor Optical Monitoring of the Blazar S5 0716+714 from 2017 to 2019[J]. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES,2020,247(2):16.
APA Xiong, Dingrong.,Bai, Jinming.,Fan, Junhui.,Yan, Dahai.,Gu, Minfeng.,...&Yi, Weimin.(2020).Multicolor Optical Monitoring of the Blazar S5 0716+714 from 2017 to 2019.ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES,247(2),16.
MLA Xiong, Dingrong,et al."Multicolor Optical Monitoring of the Blazar S5 0716+714 from 2017 to 2019".ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES 247.2(2020):16.
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