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A 2007 photometric study and UV spectral analysis of the Wolf-Rayet binary V444 Cyg

Ekmekçi, F.; Eriş, F. Z.

Photometric and spectroscopic characteristics of the WN5+O6 binary system, V444 Cyg, were studied. The Wilson-Devinney (WD) analysis, using new BV observations carried out at the Ankara University Observatory, revealed the masses, radii, and temperatures of the components of the system as M_WR=10.64 M_⊙, M_O=24.68 M