V1239 Her light curves in quiescence : J/AZh/92/323

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Authors : Khruzina T.S. orcid , Golysheva P.Yu., Katysheva N.A. (hide) , Golysheva P.Yu., Katysheva N.A. et..al

VizieR DOI :
Bibcode : 2015AZh....92..323K (ADS) (Simbad) (Objects)
2015ARep...59..288K (ADS) (Simbad) (Objects)
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CDS Keywords : Stars, variable; Photometry
UAT : Variable stars, Photometry

Observation (OC)

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Inserted into VizieR : 30-Sep-2015
Last modification : 13-Jun-2017

The dwarf nova V1239 Herculis in quiescence. (2015)

Keywords :

Abstract:The results of a study of the integrated brightness of the SU UMa eclipsing binary V1239 Her are presented. The system was monitored on nine nights in 2013-2014 when the binary was in quiescence. The orbital period is refined (P_orb_=0.100082222(2)d) and the system's light curves obtained. These curves provide evidence for active processes in the system between outbursts: the depths of both minima and the amplitude of the pre-eclipse hump vary, and one of the light curves exhibits no hump at all. The parameters of the accretion disk, hot spot, and gas stream in V1239 Her for several epochs are determined in a "combined" model taking into account the contributions to the total radiation flux from the opaque part of the ...(more)
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Our observations of V1239 Her began in 2004 and continued until July 2014. This paper presents the results of our analysis for data from nine nights in 2013-2014 obtained without a filter (in white, or integrated, light) during the system's quiescence. We observed the object with the 1.25-m telescope of Moscow State University's Crimean Station using a VersArray 1340 CCD, with the 60-cm Zeiss-600 telescope of the Astronomical Institute of the Slovak Academy of Sciences (Tatranska Lomnica, Slovak Republic) using a FLI ML 3041 CCD, and with the Zeiss-1000 telescope of the Special Astrophysical Observatoty (SAO, Russian Academy of Sciences) using a E2V 4000x2000 CCD camera. 


                


                

                    

                


                

                    

                


                

                    
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