1. Balloon flight test of a CeBr₃ detector with silicon photomultiplier readout

   • David Murphy
   • Joseph Mangan
   • Sheila McBreen

   Original Article Open access 25 June 2021 Pages: 1 - 34

   

2. Calibration of γ-ray energy in an extensive air shower using the YangBaJing hybrid Array

   • Qi Gao
   • Maoyuan Liu
   • Dixuan Xiao

   Original Article 30 July 2021 Pages: 35 - 43

   

3. Design and test of a portable Gamma-Ray Burst simulator for GECAM

   • Can Chen
   • Shuo Xiao
   • Yusa Wang

   Original Article 09 July 2021 Pages: 45 - 58

   

4. A compact instrument for gamma-ray burst detection on a CubeSat platform I

   • David Murphy
   • Alexey Ulyanov
   • Lorraine Hanlon

   Original Article Open access 13 August 2021 Pages: 59 - 84

   

5. Detectability of southern gamma-ray sources beyond 100 TeV with ALPAQUITA, the prototype experiment of ALPACA

   • S. Kato
   • C. A. H. Condori
   • Y. Yokoe

   Original Article 25 September 2021 Pages: 85 - 107

   

6. Scattering efficiencies measurements of soft protons at grazing incidence from an Athena Silicon Pore Optics sample

   • Roberta Amato
   • Sebastian Diebold
   • Teresa Mineo

   Original Article Open access 12 October 2021 Pages: 109 - 123

   

7. Extreme Universe Space Observatory on a Super Pressure Balloon 1 calibration: from the laboratory to the desert

   • J. H. Adams Jr.
   • L. Allen
   • P. von Ballmoos

   Original Article 13 August 2021 Pages: 125 - 140

   

8. Measuring the impact of Indonesian antennas on global geodetic VLBI network

   • Ibnu Nurul Huda
   • Taufiq Hidayat
   • Mohammad Hafieduddin

   Original Article 13 July 2021 Pages: 141 - 155

   

9. Towards the prediction of molecular parameters from astronomical emission lines using Neural Networks

   • Alejandro Barrientos
   • Jonathan Holdship
   • Pedro Humire

   Original Article 18 September 2021 Pages: 157 - 182