Large Magellanic Cloud Globular Clusters in the Near-infrared. I. RR Lyrae in Reticulum

arXiv:2607.19475 · astro-ph.SR, astro-ph.GA · Submitted 2026-07-21 · Read on arXiv

Anupam Bhardwaj, Susmita Das, Prashant Nishad, Marina Rejkuba, Giulia De Somma, Marcella Marconi, Chow-Choong Ngeow, Vincenzo Ripepi, Sarang Shah, Subhajit Kar, Shashi Kanbur, Matteo Monelli, Massimo Dall'Ora

astro-ph.SR, astro-ph.GA

Submitted: 2026-07-21

Comments: Accepted for publication in The Astronomical Journal

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Metallicity — 21× in this paper · explained in 3 episodes
• Calibration — 17× in this paper · explained in 7 episodes
• Large Magellanic Cloud — 3× in this paper
• Anusandhan National Research Foundation — 1× in this paper
• Gravitational Lensing — 1× in this paper · explained in 2 episodes
• Hubble Space Telescope — 1× in this paper
• Inter-University Centre for Astronomy and Astrophysics — 1× in this paper
• International Space Science Institute — 1× in this paper

Sources

• RR Lyrae mid-infrared Period-Luminosity-Metallicity and Period-Wesenheit-Metallicity relations based on Gaia DR3 parallaxes
• The OGLE Collection of Variable Stars. Over 45 000 RR Lyrae Stars in the Magellanic System

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