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A First Look at Cepheids in a Type Ia Supernova Host with JWST

• Authors: Wenlong Yuan, Adam G. Riess, Stefano Casertano, Lucas M. Macri

Wenlong Yuan et al 2022 The Astrophysical Journal Letters 940 .

• Provider: AAS Journals

Caption: Figure 2.

Image cuts of five example Cepheids analyzed in this study. Their locations are indicated by the corresponding colors in Figure 1. The circles cover a radius of 0.″375, while the image cuts display 3″ on a side. From left to right, each row shows one (same) Cepheid in HST F555W, F814W, F160W, and JWST F200W, where the exposure times are 1410 s, 1770 s, 3618 s, and 1203 s, respectively. The orientation of the image cuts is indicated by the white compass in the top left panel.