1, 2 These events are characterised by a beamed emission of highly collimated gamma-ray photons which are detectable in Low Earth Orbit (LEO), lasting up to seconds to minutes in duration 3 and which are associated with the death of massive stars 4 and the merger of massive compact objects. The Gamma-Ray Module (GMOD) is a novel, CubeSat compatible gamma-ray detector developed for the detection of extremely energetic cosmic events, called Gamma-Ray Bursts (GRBs). The results of the successful environmental qualification campaign of the Gamma-Ray Module from EIRSAT-1 are presented. The instrument was then thermally cycled under vacuum over a range spanning -31☌ to +75☌, simulating the low Earth orbit environment. GMOD was mounted on a 20kN electrodynamic shaker in which it underwent predefined sine and random vibration test profiles, demonstrating its ability to withstand the launch environment. This campaign was conducted to qualify the hardware for low Earth orbit, including multi-axis vibration testing and thermal-vacuum cycling under qualification test levels and durations. The Engineering Qualification Model was environmentally tested following an approach tailored from the ECSS standards in early February 2020 at the CubeSat Support Facility in Transinne, Belgium. The readout is received by the GMOD Motherboard which provides temporary storage and support functionality for the instrument operation, including the transfer of Time-Tagged Event data to the EIRSAT-1 On Board Computer. The detector comprises a 25×25×40mm CeBr 3 scintillator, coupled to a tiled array of 16 OnSemiconductor Silicon Photomultipliers with front-end readout provided by the IDE3380 SIPHRA. GMOD has been designed in-house and will be flown on board EIRSAT-1, intended to be Ireland’s first satellite, a 2U CubeSat developed as part of the European Space Agency’s Fly Your Satellite! programme. Go to the developer console by hitting ~ (or the key above Tab) and type the following codes for the desired effect.The Gamma-Ray Module (GMOD) is a novel gamma-ray detector developed for the study of high energy astrophysical transients called Gamma-Ray Bursts. This will allow you to open the cheating console. To begin you must first go to the "Options" on your game menu and select the "Keyboard" tab, then select "Advanced.", Finaly you check off the "Enable Developer Console (~)" and select "Ok" and select "Apply" on your "Options" menu.
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