6 Dec 2010: Planet HD 74156 d "strongly contradicted" by new expanded data sets for HD 74156 (Meschiari et al. 2010)
05 Mar. 2009: Planet HD 74156 d not confirmed by Wittenmeyer et al. 2009 30 Apr. 2008: According to Barnes et al. (2008), the semi-major axis of planet d could alternatively be ~ 0.89 AU 24 Dec. 2007: Doubts on HD 74156 d raised by Baluev (2008)
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