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Photometric Analysis of Southern Contact Binary Stars – II: NW Aps, BV 996 and BV 435
Authors:Surjit S Wadhwa
Institution:(1) Astronomical Society of NSW, Sydney, Australia;(2) School of Engineering Physics, University of Wollongong, Wollongong, Australia
Abstract:An analysis of the V band light curves using the Wilson-Devinney code for NW Aps, BV 996 and BV 435 is provided. NW Aps and BV 996 have among the lowest mass ratios known and are of A-type while BV 435 has a large mass ratio of 2.185 and is the W-Type. A review of the astrophysical quantities suggests that the systems generally demonstrate properties typical of their subtypes.
Keywords:contact binary stars  light curve analysis  WD code individual: NW Aps  SV  BV 996  SV  BV 435
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