EP260119a: A High-Redshift Gamma-Ray Quiet Fast X-ray Transient Probing a Potentially Hidden Population of Relativistic Explosions

arXiv:2609.27127 · astro-ph.HE · Submitted 2026-09-22 · Read on arXiv

astro-ph.HE

Submitted: 2026-09-22

Updated: 2026-09-22

Code: https://github.com/nyavorak/zmodule

Terminology

• Einstein Probe — 24× in this paper
• Amati Relation — 5× in this paper · explained in 1 episode
• Calibration — 4× in this paper · explained in 7 episodes
• Degeneracy — 2× in this paper · explained in 3 episodes
• Dust Attenuation — 2× in this paper · explained in 2 episodes
• Robustness — 2× in this paper · explained in 5 episodes
• Trace — 2× in this paper · explained in 2 episodes
• Abundance — 1× in this paper · explained in 1 episode
• Gran Telescopio Canarias — 1× in this paper
• Markov Chain Monte Carlo — 1× in this paper
• Metallicity — 1× in this paper · explained in 3 episodes
• Selection Bias — 1× in this paper · explained in 4 episodes
• Society of PhotoOptical Instrumentation Engineers — 1× in this paper

Sources

• COLIBRI (SVOM/FM-GFT): Instrumentation and Performances on the SVOM Alerts
• GRB 140515A at z=6.33: Constraints on the End of Reionization From a Gamma-ray Burst in a Low Hydrogen Column Density Environment
• The X-/Gamma-ray camera ECLAIRs for the Gammay-ray burst mission SVOM
• ECLAIRs: the SVOM high-energy transient trigger camera
• X-ray flashes and X-ray rich Gamma Ray Bursts
• BATSE Observations of Fast X-ray Transients Detected by BeppoSAX-WFC
• Minutes-long soft X-ray prompt emission from a compact object merger
• The Deep and Transient Universe in the SVOM Era: New Challenges and Opportunities - Scientific prospects of the SVOM mission
• Chandra X-Ray Observatory (CXO):Overview

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