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Zwicky Transient Facility and Globular Clusters: The Period–Luminosity and Period–Wesenheit Relations for Type II Cepheids

  • Authors: Chow-Choong Ngeow, Anupam Bhardwaj, Jing-Yi Henderson, Matthew J. Graham, Russ R. Laher, Michael S. Medford, Josiah Purdum, Ben Rusholme

Chow-Choong Ngeow et al 2022 The Astronomical Journal 164 .

  • Provider: AAS Journals

Caption: Figure 2.

Examples of ZTF light curves for TIICs in three different period ranges roughly represent the three subtypes (BL Herculis, W Virginis, and RV Tauri) of TIICs. The black curves are the fitted low-order Fourier expansion given in Equation (1). Crosses are rejected outliers based on the two-step fitting process (see the text for details).

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