activity
20202026
most citedThe peak-flux of GRB 221009A measured with GRBAlpha

23 citations · 43 across the 10 of their papers we have counts for

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6 papers · 1 filter

astro-ph.IM2026

Long-term performance of SiPMs in space environment measured by GRBAlpha, GRBBeta, and VZLUSAT-2 CubeSats

Jakub Ripa, Filip Munz, Marianna Dafcikova +46

In this work, we report the successful application of silicon photomultipliers (SiPMs) in gamma-ray burst (GRB) detectors used in CubeSats operating in the low Earth orbit (LEO) ra…

astro-ph.IM2026

Instrument response generation using high-resolution 3D voxelization of GRBAlpha and VZLUSAT-2 satellites with MEGAlib

Jean-Paul Breuer, Masato Yokota, Yasushi Fukazawa +24

Pathfinder gamma-ray burst (GRB) detecting CubeSat missions such as GRBAlpha and VZLUSAT-2 have demonstrated the successful application of scintillator detectors with silicon photo…

astro-ph.IM2024★ 2 cited

Characterization of more than three years of in-orbit radiation damage of SiPMs on GRBAlpha and VZLUSAT-2 CubeSats

Jakub Ripa, Marianna Dafcikova, Pavel Kosik +42

Silicon photomultipliers (SiPMs) are prone to radiation damage which causes an increase of dark count rate. This leads to an increase in low-energy threshold in a gamma-ray detecto…

astro-ph.IM2022★ 3 cited

Early results from GRBAlpha and VZLUSAT-2

Jakub Ripa, Andras Pal, Masanori Ohno +37

We present the detector performance and early science results from GRBAlpha, a 1U CubeSat mission, which is a technological pathfinder to a future constellation of nanosatellites m…

astro-ph.IM2021★ 2 cited

The simulation framework of the timing-based localization for future all-sky gamma-ray observations with a fleet of Cubesats

Masanori Ohno, Norbert Werner, Andras Pal +22

The timing-based localization, which utilize the triangulation principle with the different arrival time of gamma-ray photons, with a fleet of Cubesats is a unique and powerful sol…

astro-ph.IM2020★ 10 cited

GRBAlpha: A 1U CubeSat mission for validating timing-based gamma-ray burst localization

András Pál, Masanori Ohno, László Mészáros +26

GRBAlpha is a 1U CubeSat mission with an expected launch date in the first half of 2021. It carries a 75 x 75 x 5 mm CsI(Tl) scintillator, read out by a dual-channel multi-pixel ph…