Image Details
Caption: Fig. 8.
Plot of ﹩\nu _{b2}﹩ vs. ﹩\nu _{u}﹩ for the four atoll sources 4U 0614+09, 4U 1728−34 (van Straaten et al. 2002), 4U 1608−52 (van Straaten et al. 2003), and 4U 1636−53 (this paper). Note that the open square at ﹩\nu _{u}\sim 1233﹩ Hz could be interpreted as either ﹩L_{b}﹩ or ﹩L_{b2}﹩ (van Straaten et al. 2002).
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