85 citations · 146 across the 2 of their papers we have counts for
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astro-ph2008★ 85 cited
Sharpening the Tip of the Red Giant Branch
Barry F. Madore, Violet Mager, Wendy L. Freedman
We introduce a modified detection method for measuring the luminosity of the tip of the red giant branch (TRGB) by introducing the composite magnitude T = I - beta [(V-I)_o - 1.50]…
astro-ph2008★ 61 cited
Metallicity-corrected Tip of the Red Giant Branch Distance to NGC 4258
Violet A. Mager, Barry F. Madore, Wendy L. Freedman
We have determined the distance to NGC 4258 using observations made with the Hubble Space Telescope (HST) and the Wide Field, Advanced Camera for Surveys (ACS/WFC). We apply a modi…