DE ANGELIS, ElisabettaElisabettaDE ANGELIS2024-06-252024-06-252015http://hdl.handle.net/20.500.12386/35233The ELENA collimator with Acktar black coating (also called ‘black baffle’) is proposed to be assembled on ELENA Flight Model to further reduce UV background effect. This document reports the ELENA Black Baffle Thermal Acceptance Test, established in 4 cycles in the range -45°C / +215°CELETTRONICOenResearch reportFIS/05 - ASTRONOMIA E ASTROFISICAERC sectors::Physical Sciences and Engineering::PE9 Universe sciences: astro-physics/chemistry/biology; solar systems; stellar, galactic and extragalactic astronomy, planetary systems, cosmology, space science, instrumentation