The TRGB absolute I-band magnitude is calibrated to -4.022 +/- 0.006 (stat) +/- 0.033 (syst) using the outer LMC disk, consistent with geometric anchors.
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The Ultimate I-band Calibration of the TRGB Standard Candle
The TRGB absolute I-band magnitude is calibrated to -4.022 +/- 0.006 (stat) +/- 0.033 (syst) using the outer LMC disk, consistent with geometric anchors.