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Photometric study of cataclysmic variable ASAS–SN–13cx in active and quite states
Voloshina, Irina1; Khruzina, Tatiana1; Qian SB(钱声帮)2; Zhu LY(朱俐颖)2; Kafka, Stella3; Metlov, Vladimir1
Source PublicationProceedings of Science - Golden Age of Cataclysmic Variables and Related Objects IV, GOLDEN 2017
2018-09-13
Volume315
DOI10.22323/1.315.0011
Contribution Rank第2完成单位
Indexed ByEI
Conference Name2017 Golden Age of Cataclysmic Variables and Related Objects IV, GOLDEN 2017
Conference Date2017-09-11
Conference PlacePalermo, Italy
Abstract

The results of photometric observations of cataclysmic variable ASAS–SN–13cx are presented. CCD observations were taken in August-September 2014 (outburst) and in October-November 2016 (quiescence) using the 50-cm and 60-cm telescopes, more than 1800 images in V and Rc filters. Detailed light curves for the system active and quiescent states are plotted. A “spiral” model is applied to solve for the parameters of ASAS–SN–13cx during the outburst which takes into account the geometric disturbances on the accretion disk surface. We searched for the parameters in quiescence with a “composite” CVs model taking into account an accretion disk with hot spot on the lateral surface geometrically thick outer edge of the disk. The basic parameters of ASAS–SN–13cx are found for the first time including q = M1 /M2 = 7.0 ± 0.2, i = 79.9 ÷ 80.1◦, a0 = 0.821(1)R, radiuses R1 = 0.0102(4)R, R2 = 0.194(3)R and temperatures of the components T1 = 12 500 ±280 K, T2 = 2550 ±400 K. These parameters correspond to M4–9 V spectrum of the secondary. The mass of the accretion disk approximately doubles during quiescence on a time scale of about 400 orbital periods. The classification of ASAS-SN-13cx as a SU UMa dwarf nova is confirmed.

Language英语
Subject Area天文学 ; 恒星与银河系
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeConference article (CA)
PublisherSissa Medialab Srl
ISSN18248039
URL查看原文
EI Accession Number20185106281650
EI KeywordsPhotometry
EI Classification Number941.4optical Variables Measurements
Citation statistics
Document Type会议论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/18439
Collection双星与变星研究组
Corresponding AuthorVoloshina, Irina
Affiliation1.Sternberg Astronomical Institute, Moscow, Russia
2.Yunnan Observatories, Kunming, China
3.AAVSO, Cambridge, United States
Recommended Citation
GB/T 7714
Voloshina, Irina,Khruzina, Tatiana,Qian SB(钱声帮),等. Photometric study of cataclysmic variable ASAS–SN–13cx in active and quite states[C]:Sissa Medialab Srl,2018.
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