Photometric and Spectroscopic Observations of the Algol Type Binary V Triangle

	Photometric and Spectroscopic Observations of the Algol Type Binary V Triangle
	Ren, A. B.1; Zhang, X. B.2; Fu, J. N.1; Zhang, Y. P.1; Cang, T. Q.1; Fox-Machado, L.3; Li, C. Q.1; Khokhuntod, P.1; Luo, Y. P.4
刊名	ASTRONOMICAL JOURNAL
	2017-06-01
卷号	153 期号:6
关键词	binaries: eclipsing stars: fundamental parameters stars: individual (V Tri)
英文摘要	Time-series, multi-color photometry and high-resolution spectra of the short-period eclipsing binary V Tri were obtained through observation. The completely covered light and radial velocity (RV) curves of the binary system are presented. All times of light minima derived from both photoelectric and CCD photometry were used to calculate the orbital period and new ephemerides of the eclipsing system. The analysis of the O - C diagram reveals that the orbital period is 0.58520481 days, decreasing at a rate of dP/dt = -7.80 x 10(-8) day yr(-1). The mass transfer between the two components and the light-time-travel effect due to a third body could be used to explain the period decrease. However, a semi-detached configuration with the lower-mass component filling and the primary nearly filling each of their Roche lobes was derived from the synthesis of the light and RV curves by using the 2015 version of the Wilson-Devinney code. We consider the period decrease to be the nonconservative mass transfer from the secondary component to the primary and the mass loss of the system, which was thought to be an EB type, while it should be an EA type (semi-detached Algol-type) from our study. The masses, radii, and luminosities of the primary and secondary are 1.60 +/- 0.07M(circle dot), 1.64 +/- 0.02 R-circle dot, and 14.14 +/- 0.73 L-circle dot and 0.74 +/- 0.02 M-circle dot, 1.23 +/- 0.02 R-circle dot, and 1.65 +/- 0.05 L-circle dot, respectively.
WOS标题词	Science & Technology ; Physical Sciences
类目[WOS]	Astronomy & Astrophysics
研究领域[WOS]	Astronomy & Astrophysics
关键词[WOS]	LIGHT CURVES ; STAR LIGHT ; PERIOD
收录类别	SCI
语种	英语
WOS记录号	WOS:000401066300005
内容类型	期刊论文
源URL	[http://ir.bao.ac.cn/handle/114a11/8773]
专题	国家天文台_光学天文研究部
作者单位	1.Beijing Normal Univ, Dept Astron, 19 Xinjiekouwai St, Beijing 100875, Peoples R China 2.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China 3.Univ Nacl Autonoma Mexico, Inst Astron, Apartado Postal 877, Ensenada 22830, Baja California, Mexico 4.China West Normal Univ, Phys & Space Sci Coll, Nanchong 637002, Peoples R China
推荐引用方式 GB/T 7714	Ren, A. B.,Zhang, X. B.,Fu, J. N.,et al. Photometric and Spectroscopic Observations of the Algol Type Binary V Triangle[J]. ASTRONOMICAL JOURNAL,2017,153(6).
APA	Ren, A. B..,Zhang, X. B..,Fu, J. N..,Zhang, Y. P..,Cang, T. Q..,...&Luo, Y. P..(2017).Photometric and Spectroscopic Observations of the Algol Type Binary V Triangle.ASTRONOMICAL JOURNAL,153(6).
MLA	Ren, A. B.,et al."Photometric and Spectroscopic Observations of the Algol Type Binary V Triangle".ASTRONOMICAL JOURNAL 153.6(2017).