Table 2: Effective temperatures (K) of the ``average'' components of AD Boo, VZ Hya, and WZ Oph. The V0 magnitudes and the (b-y)0 and c0 indices are based on the out-of-eclipse uvby standard indices from CVG08. The 2MASS observations ( $J,H,K_{\rm s}$) were obtained at phases 0.216 (AD Boo), 0.181 (VZ Hya), and 0.495 (WZ Oph), respectively. For WZ Oph, the V magnitude was calculated from the value outside eclipses and the y eclipse depth at phase 0.495. $A_{\rm V}$ is the adopted visual interstellar absorption. References are: A96, Alonso et al. (1996); H07, Holmberg et al. (2007); RM05, Ramírez & Meléndez (2005); M06, Masana et al. (2006). The results from A96 are based on their uvby calibration, those from RM05 on their uvby, (V-J), (V-H), and $(V-K_{\rm s})$ calibrations (in that order); the calibration by M06 is for $(V-K_{\rm s})$.
System $A_{\rm V}$ [Fe/H] (b-y)0 c0 (V-J)0 (V-H)0 $(V-K_{\rm s})_0$ A96 H07 RM05 M06
AD Boo 0.107 +0.10 0.297 0.426 0.915 1.141 1.182 6456 6448 6524/6370/6197/6296 6333
VZ Hya 0.086 -0.20 0.280 0.385 0.817 1.036 1.096 6511 6517 6528/6707/6463/6480 6513
WZ Oph 0.141 -0.27 0.333 0.369 0.979 1.176 1.263 6115 6136 6097/6190/6191/6176 6210


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