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- W2002651736 abstract "The massive eclipsing binary system IU Aurigae is re-analyzed in the context of new photometric observations and an improved treatment of its long-term period changes (O–C diagram) derived from new times of minima. The best-fit of the O–C curve reveals that the third component is orbiting around the system with a period of 293.3 days in a highly eccentric orbit (). A solution of the most recent UBV light curves obtained during 1997/1998 showed a third light contribution of ≈23% and continuation of the orbital plane precession of IU Aurigae. Since the revised mass of the third component deduced from the analysis of the O–C curve of would imply a larger fraction of third light than suggested by the value of 23% derived from the light curve analysis, the third body is possibly composed of two components. A q-search test applied to the UBV light curves yields a minimum value at , which confirms previous photometric and spectroscopic solutions." @default.
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- W2002651736 date "2003-05-01" @default.
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- W2002651736 title "Refinement of third body parameters and new photometric results for the early-type multiple system IU Aurigae" @default.
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- W2002651736 doi "https://doi.org/10.1051/0004-6361:20030392" @default.
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