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Hubble Space Telescope Ultraviolet Light Curves Reveal Interesting Properties of CC Sculptoris and RZ Leonis
Szkody, Paula1,8; Mukadam, Anjum S.1,8; Toloza, Odette2; Gansicke, Boris T.2; Dai ZB(戴智斌)3,4,5; Pala, Anna F.2; Waagen, Elizabeth O.6; Godon, Patrick7; Sion, Edward M.7; Szkody, Paula(Univ Washington, Dept Astron, Box 351580, Seattle, WA 98195 USA)
发表期刊ASTRONOMICAL JOURNAL
2017-03-01
卷号153期号:3
DOI10.3847/1538-3881/aa5c88
产权排序第3完成单位
收录类别SCI
关键词Ultraviolet: Stars White Dwarfs Novae Cataclysmic Variables
摘要Time-tag ultraviolet data obtained on the Hubble Space Telescope in 2013 reveal interesting variability related to the white dwarf spin in the two cataclysmic variables RZ Leo and CC Scl. RZ Leo shows a period at 220 s and its harmonic at 110 s, thus identifying it as a likely Intermediate Polar (IP). The spin signal is not visible in a short single night of ground-based data in 2016, but the shorter exposures in that data set indicate a possible partial eclipse. The much larger UV amplitude of the spin signal in the known IP CC Scl allows the spin of 389 s, previously only seen at outburst, to be visible at quiescence. Spectra created from the peaks and troughs of the spin times indicate a hotter temperature of several thousand degrees during the peak phases, with multiple components contributing to the UV light.
项目资助者NASA from the Space Telescope Science Institute(HST GO-12870, GO-13807) ; NASA(NAS 5-26555) ; NSF(AST-1514737) ; CONICYT becas-CONICYT/Becade-Doctorado-en-el-extranjero(72140362) ; European Research Council under the European Union(320964) ; 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
URL查看原文
WOS记录号WOS:000395896300003
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]CATACLYSMIC VARIABLES ; INTERMEDIATE POLAR ; AM-HERCULIS ; WHITE-DWARF ; UV SPECTROSCOPY ; WZ-SAGITTAE ; VW HYDRI ; HST ; PERIOD ; SUPEROUTBURST
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/9991
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.Department of Physics, University of Warwick, Coventry CV4 7AL, UK
3.Yunnan Observatories, Chinese Academy of Sciences, 396 Yangfangwang, Guandu District, Kunming, 650216, P. R. China
4.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, 396 Yangfangwang, Guandu District, Kunming, 650216, P. R. China
5.Center for Astronomical Mega-Science, Chinese Academy of Sciences, 20A Datun Road, Chaoyang District, Beijing, 100012, P. R. China
6.AAVSO, 48 Bay State Rd, Cambridge, MA 02138, USA
7.Department of Astrophysics and Planetary Science, Villanova University, Villanova, PA 19085, USA
8.Based on observations obtained with the Apache Point Observatory (APO) 3.5 meter telescope, which is owned and operated by the Astrophysical Research Consortium (ARC)
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Szkody, Paula,Mukadam, Anjum S.,Toloza, Odette,et al. Hubble Space Telescope Ultraviolet Light Curves Reveal Interesting Properties of CC Sculptoris and RZ Leonis[J]. ASTRONOMICAL JOURNAL,2017,153(3).
APA Szkody, Paula.,Mukadam, Anjum S..,Toloza, Odette.,Gansicke, Boris T..,Dai ZB.,...&Szkody, Paula.(2017).Hubble Space Telescope Ultraviolet Light Curves Reveal Interesting Properties of CC Sculptoris and RZ Leonis.ASTRONOMICAL JOURNAL,153(3).
MLA Szkody, Paula,et al."Hubble Space Telescope Ultraviolet Light Curves Reveal Interesting Properties of CC Sculptoris and RZ Leonis".ASTRONOMICAL JOURNAL 153.3(2017).
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