3 papers
astro-ph.IM2026
The ngVLA Band-4 Water Vapor Radiometry Concept
Tirupati Kumara Sridharan, Robert Lehmensiek, Yoshiharu Asaki
The ngVLA has adopted a standalone system with a ~1.5 m diameter antenna and associated ambient temperature receiver and electronics at each antenna as its baseline design fo…
astro-ph.IM2025
Preliminary Baseline Antenna Design for the Black Hole Explorer (BHEX) Mission
Robert Lehmensiek, Tirupati Kumara Sridharan
The Black Hole Explorer (BHEX) mission extends the submillimeter Very-Long-Baseline Interferometry (VLBI) to space. The preliminary baseline design of a shaped axial-symmetric disp…
astro-ph.IM2025
Antenna Technology Readiness for the Black Hole Explorer (BHEX) Mission
T. K. Sridharan, R. Lehmensiek, S. Schwarz +1
The Black Hole Explorer (BHEX) will be the first sub-mm wavelength Space Very-Long-Baseline Interferometry (VLBI) mission. It targets astronomical imaging with the highest ever spa…