Discovery of over a thousand variable stars in Terzan 5 and Liller 1 with JWST

arXiv:2609.35959 · astro-ph.SR, astro-ph.GA, astro-ph.HE, astro-ph.IM · Submitted 2026-09-28 · Read on arXiv

astro-ph.SR, astro-ph.GA, astro-ph.HE, astro-ph.IM

Submitted: 2026-09-28

Updated: 2026-09-28

Code: https://github.com/kburdge/gc-variables-pipeline

Terminology

• Aperture — 69× in this paper · explained in 1 episode
• Core — 35× in this paper · explained in 2 episodes
• Alignment — 15× in this paper · explained in 1 episode
• Aperture Photometry — 14× in this paper · explained in 1 episode
• Calibration — 14× in this paper · explained in 7 episodes
• Trace — 5× in this paper · explained in 2 episodes
• Consistency — 4× in this paper · explained in 3 episodes
• Abundance — 3× in this paper · explained in 1 episode
• Metallicity — 3× in this paper · explained in 3 episodes
• Accuracy — 2× in this paper · explained in 1 episode
• Mikulski Archive for Space Telescopes — 2× in this paper
• Accretion Instabilities — 1× in this paper · explained in 1 episode
• Benchmark — 1× in this paper · explained in 2 episodes
• Box Least Squares — 1× in this paper
• Hubble Space Telescope — 1× in this paper
• Microlensing — 1× in this paper · explained in 2 episodes
• Verification — 1× in this paper · explained in 2 episodes

Sources

• Observations of Transiting Exoplanets with the James Webb Space Telescope (JWST), Publications of the Astronomical Society of the Pacific (PASP), December 2014
• Variable stars in Terzan 5: additional evidence of multi-age and multi-iron stellar populations
• Enabling Stellar Flare Science in the Roman Galactic Bulge Survey: Cadence, Filters, and the Read-Out Strategy Matter

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