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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 3.

Top panel: CMD of globular clusters observed with Gaia (Figure 3 in Gaia Collaboration et al. 2018). Colors from blue to red distinguish increasing metallicities. Bottom panel: theoretical RGB isochrones from PADOVA (A. Bressan et al. 2012) for t = 10 Gyr and [M/H] = −2.5 to 0.5. The isochrone for [M/H] = −0.57 (TRGB color at (F090W − F150W)0 = 1.65) is shown by the black line.

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