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Physical and Dynamical Parameters of the Triple Stellar System: HIP 109951
Masda, S. G.1,2; Docobo, J. A.3,4; Hussein, A. M.5; Mardini, M. K.6,7; Al-Ameryeen, H. A.3; Campo, P. P.3; Khan, A. R.8; Pathan, J. M.8
2019-10-01
Source PublicationASTROPHYSICAL BULLETIN
ISSN1990-3413
Volume74Issue:4Pages:464-474
AbstractThe precise determination of the physical and dynamical parameters of the HIP 109951 triple star system (WDS J22161-0705AB) which is formed by the A, Ba, and Bb components are presented. The binary nature of component B was recently confirmed by studying the radial velocities. The analysis of the system follows Al-Wardat's complex method for analyzing CVBS which employs Kurucz (Atlas9) line blanketed plane-parallel atmospheres simultaneously with an analytic method for dynamical analysis (we used Docobo's method) to calculate the parameters of this triple system. The result of our study yielded the following parameters: T-eff(A) = 5836 +/- 80 K, R-A = 1.090 +/- 0.039R(circle dot), log g(A) = 4.45 +/- 0.06, M-A = 1.05 +/- 0.16M(circle dot); T-eff(Ba) = 5115 +/- 80 K, R-Ba = 0.596 +/- 0.05R(circle dot), log g(Ba) = 4.60 +/- 0.07, M-Ba = 0.83 +/- 0.16M(circle dot), T-eff(Bb) = 4500 +/- 80 K, R-Bb = 0.490 +/- 0.06R(circle dot), log g(Bb) = 4.65 +/- 0.07, and M-Bb = 0.67 +/- 0.16M(circle dot) based on the revised HIPPARCOS parallax. The orbital solution gave a total mass as M=2.59M(circle dot) based on Gaia parallax and M=2.15M(circle dot) based on the revised HIPPARCOS parallax. The synthetic spectral energy distributions (SED) and synthetic stellar photometry of the entire system and individual components are given and compared with the available observational ones. Finally, the positions of the system components on the HR diagram and the evolutionary tracks are given and their formation and the evolution of the system are discussed.
Keywordbinaries: close binaries: visual stars: fundamental parameters stars: individual: HIP 109951
Funding OrganizationSpanish "Ministerio de Economia, Industria y Competitividad" ; "Xunta de Galicia" under the Rede IEMath-Galicia ; Spanish "Ministerio de Economia, Industria y Competitividad" ; "Xunta de Galicia" under the Rede IEMath-Galicia ; Spanish "Ministerio de Economia, Industria y Competitividad" ; "Xunta de Galicia" under the Rede IEMath-Galicia ; Spanish "Ministerio de Economia, Industria y Competitividad" ; "Xunta de Galicia" under the Rede IEMath-Galicia
DOI10.1134/S1990341319040126
WOS KeywordSPECKLE-INTERFEROMETRIC BINARY ; WIYN TELESCOPE ; GEOMETRICAL PARAMETERS ; STARS ; PHOTOMETRY ; TYCHO-2 ; CATALOG
Language英语
Funding ProjectSpanish "Ministerio de Economia, Industria y Competitividad"[AYA-2016-80938-P] ; "Xunta de Galicia" under the Rede IEMath-Galicia[ED341DR 2016/022]
Funding OrganizationSpanish "Ministerio de Economia, Industria y Competitividad" ; "Xunta de Galicia" under the Rede IEMath-Galicia ; Spanish "Ministerio de Economia, Industria y Competitividad" ; "Xunta de Galicia" under the Rede IEMath-Galicia ; Spanish "Ministerio de Economia, Industria y Competitividad" ; "Xunta de Galicia" under the Rede IEMath-Galicia ; Spanish "Ministerio de Economia, Industria y Competitividad" ; "Xunta de Galicia" under the Rede IEMath-Galicia
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000511836200012
PublisherMAIK NAUKA/INTERPERIODICA/SPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/54095
Collection中国科学院国家天文台
Corresponding AuthorMasda, S. G.
Affiliation1.Dr Babasaheb Ambedkar Marathwada Univ, Dept Phys, Aurangabad 431001, Maharashtra, India
2.Hadhramout Univ, Dept Phys, Mukalla 50512, Yemen
3.Univ Santiago de Compostela, Observ Astron Ramon Maria Alter, Santiago De Compostela 15782, Spain
4.Real Acad Ciencias Zaragoza, Fac Ciencias, Zaragoza 50009, Spain
5.Al al Bayt Univ, Dept Phys, Mafraq 25113, Jordan
6.Chinese Acad Sci, Natl Astron Observ, Key Lab Opt Astron, Beijing 100012, Peoples R China
7.Univ Chinese Acad Sci, Sch Astron & Space Sci, Beijing 210093, Peoples R China
8.Maulana Azad Coll, Dept Phys, Aurangabad 431001, Maharashtra, India
Recommended Citation
GB/T 7714
Masda, S. G.,Docobo, J. A.,Hussein, A. M.,et al. Physical and Dynamical Parameters of the Triple Stellar System: HIP 109951[J]. ASTROPHYSICAL BULLETIN,2019,74(4):464-474.
APA Masda, S. G..,Docobo, J. A..,Hussein, A. M..,Mardini, M. K..,Al-Ameryeen, H. A..,...&Pathan, J. M..(2019).Physical and Dynamical Parameters of the Triple Stellar System: HIP 109951.ASTROPHYSICAL BULLETIN,74(4),464-474.
MLA Masda, S. G.,et al."Physical and Dynamical Parameters of the Triple Stellar System: HIP 109951".ASTROPHYSICAL BULLETIN 74.4(2019):464-474.
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