Precise Empirical Determination of Metallicity Dependence of Near-infrared Period–Luminosity Relations for RR Lyrae Variables

RR Lyrae variables are excellent Population II distance indicators thanks to their well-defined period–luminosity relations (PLRs) at infrared wavelengths. We present results of near-infrared (NIR) monitoring of Galactic globular clusters to empirically quantify the metallicity dependence of NIR PLR...

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Autori principali:	Anupam Bhardwaj, Marcella Marconi, Marina Rejkuba, Richard de Grijs, Harinder P. Singh, Vittorio F. Braga, Shashi Kanbur, Chow-Choong Ngeow, Vincenzo Ripepi, Giuseppe Bono, Giulia De Somma, Massimo Dall’Ora
Natura:	Artigo
Lingua:	Inglês
Pubblicazione:	IOP Publishing 2023-01-01
Serie:	The Astrophysical Journal Letters
Soggetti:	Globular star clusters RR Lyrae variable stars Distance indicators
Accesso online:	https://doi.org/10.3847/2041-8213/acba7f
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