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Background for a gamma-ray satellite on a low-Earth orbit

Hernanz, M.; Cumani, P.; Kiener, J. +2 more

The different background components in a low-Earth orbit have been modeled in the 10 keV to 100 GeV energy range. The model is based on data from previous instruments and it considers both primary and secondary particles, charged particles, neutrons and photons. The necessary corrections to consider the geomagnetic cutoff are applied to calculate …

A robotic pipeline for fast GRB followup with the Las Cumbrés observatory network

Cucchiara, A.; Steele, I. A.; Marongiu, M. +9 more

In the era of multi-messenger astronomy the exploration of the early emission from transients is key for understanding the encoded physics. At the same time, current generation networks of fully-robotic telescopes provide new opportunities in terms of fast followup and sky coverage. This work describes our pipeline designed for robotic optical fol…

Designing large pixelated CdTe detection planes for hard X-ray transients detection

Bouchet, Laurent; Mate, Sujay; Bajat, Armelle +10 more

In this paper, we discuss the need for very large detection planes for the detection of hard X-ray transients in the multi-messenger era, started with the quasi-simultaneous detection of GRB 170817A by Fermi/GBM and INTEGRAL/SPI and the gravitational waves event GW 170817, detected by the LVC collaboration. After pointing that current and future i…