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Radio/X-Ray Correlation in the Mini-outbursts of Black Hole X-Ray Transient GRS 1739-278
Xie, Fu-Guo1; Yan, Zhen1; Wu, Zhongzu2
2020-03-01
Source PublicationASTROPHYSICAL JOURNAL
ISSN0004-637X
Volume891Issue:1Pages:9
AbstractWe present quasi-simultaneous radio and X-ray observations of the black hole X-ray binary GRS 1739-278 during the 2015-2016 mini-outbursts, i.e., between 2015 June 10 and 2016 October 31, with the X-ray-to-radio time interval being less than one day. The monitor campaign was run by Swift in the X-rays and by VLA in the radio (at both 5 and 8 GHz). We find that the brightest radio emission is actually achieved during the soft sate, and the spectrum is marginally optically thick with the spectral index alpha -0.28 0.17 (flux F-nu proportional to nu(alpha)). For the radio emission in the hard state, we find a large diversity in the spectral index, i.e., a majority of radio spectra are optically thick with -0.5 less than or similar to alpha less than or similar to 0.5, while a few are optically thin, with alpha being lower than -1 in certain cases. We then investigate the correlation between the luminosities in radio (monochromatic at 5 GHz, L-R) and 1-10 keV X-rays (L-X) during the hard state. We find that for more than two orders of magnitude variation in the X-ray luminosity, this source exhibits a flat correlation with p approximate to 0.16 (in the form of L-R proportional to L-X(p)), i.e., it belongs to the "outlier" (to the standard correlation with p approximate to 0.6) category that may follow a hybrid correlation. Both the slope and the corresponding luminosity range agree well with those in H1743-322, the prototype of the hybrid correlation. Theoretical implications of our results are discussed.
KeywordStellar accretion disks black hole physics X-ray binary stars Low-mass x-ray binary stars
Funding OrganizationNational Program on Key R&D Project of China ; National Program on Key R&D Project of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; K.C. Wong Education Foundation of CAS ; K.C. Wong Education Foundation of CAS ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS ; Youth Innovation Promotion Association of CAS ; Youth Innovation Promotion Association of CAS ; National Program on Key R&D Project of China ; National Program on Key R&D Project of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; K.C. Wong Education Foundation of CAS ; K.C. Wong Education Foundation of CAS ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS ; Youth Innovation Promotion Association of CAS ; Youth Innovation Promotion Association of CAS ; National Program on Key R&D Project of China ; National Program on Key R&D Project of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; K.C. Wong Education Foundation of CAS ; K.C. Wong Education Foundation of CAS ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS ; Youth Innovation Promotion Association of CAS ; Youth Innovation Promotion Association of CAS ; National Program on Key R&D Project of China ; National Program on Key R&D Project of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; K.C. Wong Education Foundation of CAS ; K.C. Wong Education Foundation of CAS ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS ; Youth Innovation Promotion Association of CAS ; Youth Innovation Promotion Association of CAS
DOI10.3847/1538-4357/ab711f
WOS KeywordFUNDAMENTAL PLANE ; ACCRETION FLOWS ; DOMINATED ACCRETION ; LOW/HARD STATE ; HARD-STATE ; SOFT STATE ; GX 339-4 ; JET ; BINARIES ; LUMINOSITY
Language英语
Funding ProjectNational Program on Key R&D Project of China[2016YFA0400804] ; Natural Science Foundation of China[11763002] ; Natural Science Foundation of China[11773055] ; Natural Science Foundation of China[11873074] ; Natural Science Foundation of China[U1838203] ; Natural Science Foundation of China[U1938114] ; Natural Science Foundation of China[U1931203] ; K.C. Wong Education Foundation of CAS ; Key Research Program of Frontier Sciences of CAS[QYZDJ-SSW-SYS008] ; Youth Innovation Promotion Association of CAS[2016243] ; Youth Innovation Promotion Association of CAS[2020265]
Funding OrganizationNational Program on Key R&D Project of China ; National Program on Key R&D Project of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; K.C. Wong Education Foundation of CAS ; K.C. Wong Education Foundation of CAS ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS ; Youth Innovation Promotion Association of CAS ; Youth Innovation Promotion Association of CAS ; National Program on Key R&D Project of China ; National Program on Key R&D Project of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; K.C. Wong Education Foundation of CAS ; K.C. Wong Education Foundation of CAS ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS ; Youth Innovation Promotion Association of CAS ; Youth Innovation Promotion Association of CAS ; National Program on Key R&D Project of China ; National Program on Key R&D Project of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; K.C. Wong Education Foundation of CAS ; K.C. Wong Education Foundation of CAS ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS ; Youth Innovation Promotion Association of CAS ; Youth Innovation Promotion Association of CAS ; National Program on Key R&D Project of China ; National Program on Key R&D Project of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; K.C. Wong Education Foundation of CAS ; K.C. Wong Education Foundation of CAS ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS ; Youth Innovation Promotion Association of CAS ; Youth Innovation Promotion Association of CAS
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000518937800001
PublisherIOP PUBLISHING LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/54508
Collection中国科学院国家天文台
Corresponding AuthorXie, Fu-Guo
Affiliation1.Chinese Acad Sci, Shanghai Astron Observ, Key Lab Res Galaxies & Cosmol, 80 Nandan Rd, Shanghai 200030, Peoples R China
2.Guizhou Univ, Coll Sci, Guiyang 550025, Peoples R China
Recommended Citation
GB/T 7714
Xie, Fu-Guo,Yan, Zhen,Wu, Zhongzu. Radio/X-Ray Correlation in the Mini-outbursts of Black Hole X-Ray Transient GRS 1739-278[J]. ASTROPHYSICAL JOURNAL,2020,891(1):9.
APA Xie, Fu-Guo,Yan, Zhen,&Wu, Zhongzu.(2020).Radio/X-Ray Correlation in the Mini-outbursts of Black Hole X-Ray Transient GRS 1739-278.ASTROPHYSICAL JOURNAL,891(1),9.
MLA Xie, Fu-Guo,et al."Radio/X-Ray Correlation in the Mini-outbursts of Black Hole X-Ray Transient GRS 1739-278".ASTROPHYSICAL JOURNAL 891.1(2020):9.
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