YNAO OpenIR  > 双星与变星研究组
Period changes in four Algol-type binaries: SX Dra, AV Del, CU Peg and DK Peg
Qian SB(钱声帮)1,2,3; Qian, SB (reprint author), Chinese Acad Sci, Yunnan Observ, POB 110, Kunming 650011, Peoples R China.
Source PublicationASTROPHYSICS AND SPACE SCIENCE
2002
Volume282Issue:2Pages:399-409
DOI10.1023/A:1020876723842
Contribution Rank第1完成单位
Indexed BySCI
AbstractOrbital period changes of four neglected short-period semidetached Algols, SX Dra, AV Del, CU Peg and DK Peg, are presented based on the analysis of their O-C observations. It is found that the three systems, AV Del, CU Peg and DK Peg, show rapid period increase at rates of dP/dt = + 3.15 x 10(-6), + 2.00 x 10(-6) and + 4.88 x 10(-7) days/year respectively. For the other system, SX Dra, a possible periodic variation in the orbital period is discovered to superimpose on a very rapid period increase (dP/dt = + 1.09 x 10(-5) days/year). The period increases of the four Algols can be explained by a mass transfer from the secondary to the more massive primary, which is in agreement with the semi-detached configurations of these systems. However, since the period increases are rather rapid, the mass transfer should be on a dynamical time scale. The cyclic period change in SX Dra suggests that there may exist a third body in this system.
Language英语
Subject AreaAstronomy & Astrophysics
SubtypeArticle
ISSN0004-640X
URL查看原文
Archive Date2003-02-21
WOS IDWOS:000178929400004
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/5762
Collection双星与变星研究组
Corresponding AuthorQian, SB (reprint author), Chinese Acad Sci, Yunnan Observ, POB 110, Kunming 650011, Peoples R China.
Affiliation1.Yunnan Observatory, Chinese Academy of Sciences, P.O. Box 110, 650011, Kunming, P.R. China
2.National Astronomical Observatories, Chinese Academy of Sciences (NAOCAS)
3.United Laboratory of Optical Astronomy, Chinese Academy of Sciences (ULOAC)
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Qian SB,Qian, SB . Period changes in four Algol-type binaries: SX Dra, AV Del, CU Peg and DK Peg[J]. ASTROPHYSICS AND SPACE SCIENCE,2002,282(2):399-409.
APA Qian SB,&Qian, SB .(2002).Period changes in four Algol-type binaries: SX Dra, AV Del, CU Peg and DK Peg.ASTROPHYSICS AND SPACE SCIENCE,282(2),399-409.
MLA Qian SB,et al."Period changes in four Algol-type binaries: SX Dra, AV Del, CU Peg and DK Peg".ASTROPHYSICS AND SPACE SCIENCE 282.2(2002):399-409.
Files in This Item:
File Name/Size DocType Version Access License
Period Changes in Fo(100KB)期刊论文作者接受稿开放获取CC BY-NC-SAView Application Full Text
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Qian SB(钱声帮)]'s Articles
[Qian, SB (reprint author), Chinese Acad Sci, Yunnan Observ, POB 110, Kunming 650011, Peoples R China.]'s Articles
Baidu academic
Similar articles in Baidu academic
[Qian SB(钱声帮)]'s Articles
[Qian, SB (reprint author), Chinese Acad Sci, Yunnan Observ, POB 110, Kunming 650011, Peoples R China.]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Qian SB(钱声帮)]'s Articles
[Qian, SB (reprint author), Chinese Acad Sci, Yunnan Observ, POB 110, Kunming 650011, Peoples R China.]'s Articles
Terms of Use
No data!
Social Bookmark/Share
File name: Period Changes in Four Algol-Type Binaries_ SX Dra, AV Del, CU Peg and DK Peg.pdf
Format: Adobe PDF
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.