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- W157366199 abstract "Abstract. HD 163151 is discovered to be a new variable as apart of a W UMa system. In this paper we present completeuvby light curves. Additional Crawford H β and Johnson BVdata are also obtained. A detailed photometric analysis basedon these observations is presented using the WD code. Severaltests have been carried out concerning mass ratio and effectivetemperatures. The best fitting was achieved with q = 0.27 andT 1 =6450 K (fixed) and T 2 = 6130 K. Moreover, the light curvesshow evidences of spots in one of the components.Key words: binaries: visual – stars: individual: HD 163151 –stars: fundamental parameters – techniques: photometric1. IntroductionDuring the course of a photometric and multicolor multisitecampaignontheγDorvariableHD164615,thestarHD163151(HR 6676, BD +11 ◦ 3283) was used as a check star, but itsdifferential photometry was discovered to be variable showinglightcurvessimilartothoseofclosebinarysystems,inparticulara W UMa system, with a period of about 0. d 8 and luminosityvariation in the primary minimum of about 0." @default.
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- W157366199 date "1998-08-01" @default.
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- W157366199 title "HD 163151: A new W UMa type system" @default.
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