sentence1: It was also confirmed as a T9 dwarf using the Gemini North telescope , spectroscopically at Mauna Kea , and was imaged using IRAC on the Spitzer Space Telescope .
sentence2: It was confirmed spectroscopically as T9 - Dwarf using the Gemini - North telescope , also with Mauna Kea , and was pictured using IRAC on the Spitzer - Space telescope .