NAOC Open IR
The intra-day optical monitoring of BL Lacerate object 1ES 1218+304 at its highest X-ray flux level
Sun, Si-Si1,2; Li, Hua-Li2,3; Yang, Xing1; Lu, Jing1; Xu, Da-Wei2,3; Wang, Jing1,2
2021-10-01
Source PublicationRESEARCH IN ASTRONOMY AND ASTROPHYSICS
ISSN1674-4527
Volume21Issue:8Pages:6
AbstractWe here report a monitor of the BL Lac object 1ES 1218+304 in both B- and R-bands by the GWAC-F60A telescope in eight nights, when it was triggered to be at its highest X-ray flux in history by the VERITAS Observatory and Swift follow-ups. Both ANOVA and chi (2)-test enable us to clearly reveal an intra-day variability in optical wavelengths in seven out of the eight nights. A bluer-when-brighter chromatic relationship has been clearly identified in five out of the eight nights, which can be well explained by the shock-in-jet model. In addition, a quasi-periodic oscillation phenomenon in both bands could be tentatively identified in the first night. A positive delay between the two bands has been revealed in three out of the eight nights, and a negative one in the other nights. The identified minimum time delay enables us to estimate the M (BH) = 2.8 x 10(7) M (circle dot)that is invalid.
KeywordBL Lacertae objects general BL Lacertae objects individual (1ES1218+304) galaxies active method statistical
Funding OrganizationNational Key R & D Program of China ; National Key R & D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences ; Natural Science Foundation of Guangxi ; Natural Science Foundation of Guangxi ; Bagui Young Scholars Program ; Bagui Young Scholars Program ; National Key R & D Program of China ; National Key R & D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences ; Natural Science Foundation of Guangxi ; Natural Science Foundation of Guangxi ; Bagui Young Scholars Program ; Bagui Young Scholars Program ; National Key R & D Program of China ; National Key R & D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences ; Natural Science Foundation of Guangxi ; Natural Science Foundation of Guangxi ; Bagui Young Scholars Program ; Bagui Young Scholars Program ; National Key R & D Program of China ; National Key R & D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences ; Natural Science Foundation of Guangxi ; Natural Science Foundation of Guangxi ; Bagui Young Scholars Program ; Bagui Young Scholars Program
DOI10.1088/1674-4527/21/8/197
WOS KeywordGAMMA-RAY ; MULTIWAVELENGTH OBSERVATIONS ; VARIABILITY PROPERTIES ; S5 0716+714 ; RADIO-LOUD ; EMISSION ; BLAZARS ; ENERGY ; MICROVARIABILITY ; S5-0716+714
Language英语
Funding ProjectNational Key R & D Program of China[2020YFE0202100] ; National Natural Science Foundation of China[11773036] ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences[XDA15052600] ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences[XDA15016500] ; Natural Science Foundation of Guangxi[2018GXUSFGA281007] ; Natural Science Foundation of Guangxi[2020GXNSFDA238018] ; Bagui Young Scholars Program
Funding OrganizationNational Key R & D Program of China ; National Key R & D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences ; Natural Science Foundation of Guangxi ; Natural Science Foundation of Guangxi ; Bagui Young Scholars Program ; Bagui Young Scholars Program ; National Key R & D Program of China ; National Key R & D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences ; Natural Science Foundation of Guangxi ; Natural Science Foundation of Guangxi ; Bagui Young Scholars Program ; Bagui Young Scholars Program ; National Key R & D Program of China ; National Key R & D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences ; Natural Science Foundation of Guangxi ; Natural Science Foundation of Guangxi ; Bagui Young Scholars Program ; Bagui Young Scholars Program ; National Key R & D Program of China ; National Key R & D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences ; Strategic Pioneer Program on Space Science, Chinese Academy of Sciences ; Natural Science Foundation of Guangxi ; Natural Science Foundation of Guangxi ; Bagui Young Scholars Program ; Bagui Young Scholars Program
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000711653200001
PublisherNATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/74477
Collection中国科学院国家天文台
Corresponding AuthorSun, Si-Si
Affiliation1.Guangxi Univ, Sch Phys Sci & Technol, Guangxi Key Lab Relativist Astrophys, Nanning 530004, Peoples R China
2.Chinese Acad Sci, Natl Astron Observ, Key Lab Space Astron & Technol, Beijing 100101, Peoples R China
3.Univ Chinese Acad Sci, Sch Astron & Space Sci, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Sun, Si-Si,Li, Hua-Li,Yang, Xing,et al. The intra-day optical monitoring of BL Lacerate object 1ES 1218+304 at its highest X-ray flux level[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2021,21(8):6.
APA Sun, Si-Si,Li, Hua-Li,Yang, Xing,Lu, Jing,Xu, Da-Wei,&Wang, Jing.(2021).The intra-day optical monitoring of BL Lacerate object 1ES 1218+304 at its highest X-ray flux level.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,21(8),6.
MLA Sun, Si-Si,et al."The intra-day optical monitoring of BL Lacerate object 1ES 1218+304 at its highest X-ray flux level".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 21.8(2021):6.
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