Fig. 7.

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Distance modulus difference between our PNLF result with Cepheids (blue triangles) and TRGB (red squares), obtained from NED and sorted based on publication date. The Cepheid distances are from Willick & Batra (2001), Paturel et al. (2002), Gieren et al. (2004, 2005), Saha et al. (2006), Bono et al. (2010), and Bhardwaj et al. (2016). The TRGB distances are from Butler et al. (2004), Sakai et al. (2004), Tikhonov et al. (2005), Tully et al. (2006), Rizzi et al. (2006, 2007), Jacobs et al. (2009), and Dalcanton et al. (2009). Previous PNLF distances of Soffner et al. (1996) and Peña et al. (2012) are also presented (green circles). The green shadow indicates the uncertainty of our PNLF distance.
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