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The TRGB-SBF Project. IV. A Color Calibration of the TRGB in the JWST F090W+F150W Filters

  • Authors: Maksim I. Chazov, Dmitry I. Makarov, R. Brent Tully, Gagandeep S. Anand, Lidia N. Makarova, Yotam Cohen, John P. Blakeslee, Michele Cantiello, Joseph B. Jensen, Gabriella Raimondo

Maksim I. Chazov et al 2026 The Astrophysical Journal 1001 .

  • Provider: AAS Journals

Caption: Figure 13.

Offsets between separately reported TRGB magnitudes. The shifts are defined as ﹩{\rm{\Delta }}{\mu }_{0}={m}_{{\rm{thin}}/{\rm{thick}}}-{m}_{{\rm{literature}}}﹩. Blue and green symbols denote the thin- and thick-slice measurements, respectively. The vertical dashed black line indicates zero offset, while the dotted blue and green lines show the mean shifts for the thin- and thick-slice approaches. These systematic shifts are partially driven by updates to the JWST pipeline and DOLPHOT.

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