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Follow-up Observations of SDSS and CRTS Candidate Cataclysmic Variables II
Szkody, Paula1; Everett, Mark E.2; Dai ZB(戴智斌)1,3,4; Serna-Grey, Donald1; Szkody, Paula(Univ Washington, Dept Astron, Box 351580, Seattle, WA 98195 USA)
发表期刊ASTRONOMICAL JOURNAL
2018
卷号155期号:1
DOI10.3847/1538-3881/aa9ede
产权排序第3完成单位
收录类别SCI
关键词Techniques: Spectroscopic Novae Cataclysmic Variables
摘要Spectra of 38 candidate or known cataclysmic variables are presented. Most are candidate dwarf novae or systems containing possible highly magnetic white dwarfs, while a few (KR Aur, LS Peg, V380 Oph, and V694 Mon) are previously known objects caught in unusual states. Individual spectra are used to confirm a dwarf nova nature or other classification while radial velocities of 15 systems provide orbital periods and velocity amplitudes that aid in determining the nature of the objects. Our results substantiate a polar nature for four objects, find an eclipsing SW Sex star below the period gap, another as a likely intermediate polar, as well as two dwarf novae with periods in the middle of the gap.
项目资助者NSF(AST-1514737) ; CAS Light of West China Program ; Science Foundation of Yunnan Province(2016FB007)
语种英语
学科领域天文学
文章类型Article
ISSN0004-6256
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WOS记录号WOS:000418546800002
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]TIME TRANSIENT SURVEY ; DIGITAL SKY SURVEY ; ORBITAL PERIOD ; MWC 560 ; BINARIES ; VELOCITY
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/12196
专题双星与变星研究组
中国科学院天体结构与演化重点实验室
通讯作者Szkody, Paula(Univ Washington, Dept Astron, Box 351580, Seattle, WA 98195 USA)
作者单位1.Department of Astronomy, University of Washington, Box 351580, Seattle, WA 98195, USA
2.National Optical Astronomy Observatories, 950 N. Cherry Avenue, Tucson, AZ, USA
3.Key Laboratory for the Structure and Evolution of Celestial Objects, Yunnan Observatories, Chinese Academy of Sciences, 396 Yangfangwang, Guandu District, Kunming, 650216, People's Republic of China
4.Center for Astronomical Mega-Science, Chinese Academy of Sciences, 20A Datun Road, Chaoyang District, Beijing, 100012, People's Republic of China
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Szkody, Paula,Everett, Mark E.,Dai ZB,et al. Follow-up Observations of SDSS and CRTS Candidate Cataclysmic Variables II[J]. ASTRONOMICAL JOURNAL,2018,155(1).
APA Szkody, Paula,Everett, Mark E.,Dai ZB,Serna-Grey, Donald,&Szkody, Paula.(2018).Follow-up Observations of SDSS and CRTS Candidate Cataclysmic Variables II.ASTRONOMICAL JOURNAL,155(1).
MLA Szkody, Paula,et al."Follow-up Observations of SDSS and CRTS Candidate Cataclysmic Variables II".ASTRONOMICAL JOURNAL 155.1(2018).
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