SARAS 3 CD/EoR radiometer: design and performance of the receiver Jishnu Nambissan T.Ravi SubrahmanyanMayuri Sathyanarayana Rao Original Article 28 January 2021 Pages: 193 - 234
An upper limit calculator (UL-CALC) for undetected extended sources with radio interferometers: radio halo upper limits Lijo T. GeorgeRuta KaleYogesh Wadadekar Original Article 01 February 2021 Pages: 235 - 248
A chemically etched corrugated feedhorn array for D-band CMB observations S. MandelliE. ManzanM. Zannoni Original Article Open access 12 February 2021 Pages: 249 - 272
A low-cost chopping system and uncooled microbolometer array for ground-based astronomy M. F. RashmanI. A. SteeleJ. H. Knapen Original Article Open access 16 April 2021 Pages: 273 - 286
ExoSim: the Exoplanet Observation Simulator Subhajit SarkarEnzo PascaleIngo Waldmann Original Article Open access 05 March 2021 Pages: 287 - 317
MeerCRAB: MeerLICHT classification of real and bogus transients using deep learning Zafiirah HosenieSteven BloemenPatrick Woudt Original Article 02 June 2021 Pages: 319 - 344
Design and development of Mt.Abu faint object spectrograph and camera – Pathfinder (MFOSC-P) for PRL 1.2m Mt. Abu Telescope Mudit K. SrivastavaVipin KumarS. N. Mathur Original Article 08 May 2021 Pages: 345 - 382
Algorithm for calculating anastigmatic three-mirror telescopes. II. Spherical primary mirror case V. Yu. Terebizh Original Article 25 April 2021 Pages: 383 - 389
Dynamic simulation and parameter fitting method of cometary dust based on machine learning Yuxian YueZirui CaoXiaohui Wang Original Article 04 June 2021 Pages: 391 - 424
Application of a dielectric breakdown induced by high-power lasers for a laboratory simulation of meteor plasma Anna KřivkováLukáš PeteraMartin Ferus Original Article 01 February 2021 Pages: 425 - 451
Future perspectives in solar hot plasma observations in the soft X-rays Alain Jody CorsoGiulio Del ZannaVanessa Polito Original Article 18 May 2021 Pages: 453 - 474
A preliminary design of the magnetic diverter on-board the eXTP observatory Liqiang QiGang LiFangjun Lu Original Article 09 March 2021 Pages: 475 - 492
MVN experiment – All sky monitor for measuring cosmic X-ray background of the universe onboard the ISS D. V. SerbinovM. N. PavlinskyI. Y. Lapshov Original Article 13 May 2021 Pages: 493 - 514
Attitude determination for nano-satellites – I. Spherical projections for large field of view infrasensors Kornél KapásTamás BozókiAndrás Pál Original Article 23 April 2021 Pages: 515 - 527
UVscope and its application aboard the ASTRI-Horn telescope Maria Concetta MaccaroneGiovanni La RosaGiuseppe Sottile Original Article Open access 31 March 2021 Pages: 529 - 550