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astro-ph.HE2026

Comparative properties of X-Ray Flashes and Gamma-Ray Bursts from BeppoSAX observations of Fast X-ray Transients

L. Piro, G. Gianfagna, J. J. M. in't Zand +5

We present the homogeneous and complete sample of 96 bona-fide Gamma Ray Bursts (GRBs) detected by the Wide Field Cameras and Gamma Ray Burst Monitor of BeppoSAX. We derive the spe…

astro-ph.HE2026

BeppoSAX-WFC catalog of fast X-ray transients

J. J. M. in 't Zand, C. Guidorzi, J. Heise +5

We performed a search for fast X-ray transients (FXTs), with durations longer than one second and less than one day, through data of the Wide Field Camera (WFC) instrument onboard…

astro-ph.HE2024

Triggering the Untriggered: The First Einstein Probe-Detected Gamma-Ray Burst 240219A and Its Implications

Yi-Han Iris Yin, Bin-Bin Zhang, Jun Yang +49

The Einstein Probe (EP) achieved its first detection and localization of a bright X-ray flare, EP240219a, on 2024 February 19, during its commissioning phase. Subsequent targeted s…

astro-ph.HE2024

The crucial discovery of thermonuclear X-ray bursts: never throw away old data!

Erik Kuulkers

The detection of Type I X-ray bursts is attributed to those seen by the Astronomical Netherlands Satellite (ANS) in September 1975 from the globular cluster NGC6624 containing the…

astro-ph.HE2024

Soft X-ray prompt emission from a high-redshift gamma-ray burst EP240315a

Y. Liu, H. Sun, D. Xu +191

Long gamma-ray bursts (GRBs) are believed to originate from core collapse of massive stars. High-redshift GRBs can probe the star formation and reionization history of the early un…