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Conceptual Design of the NISS onboard NEXTSat-1
Jeong, Woong-Seob,Park, Sung-Joon,Park, Kwijong,Lee, Dae-Hee,Pyo, Jeonghyun,Moon, Bongkon,Park, Youngsik,Kim, Il-Joong,Park, Won-Kee,Lee, Duk-Hang,Park, Chan,Ko, Kyeongyeon,Matsumoto, Toshio,Takeyama, 한국우주과학회 2014 Journal of Astronomy and Space Sciences Vol.31 No.1
The NISS onboard NEXTSat-1 is being developed by Korea astronomy and space science institute (KASI). For the study of the cosmic star formation history, the NISS performs the imaging spectroscopic observation in the near-infrared range for nearby galaxies, low background regions, star-forming regions and so on. It is designed to cover a wide field of view (2 x 2 deg) and a wide wavelength range from 0.95 to 3.8 μm by using linear variable filters. In order to reduce the thermal noise, the telescope and the infrared sensor are cooled down to 200 K and 80 K, respectively. Evading a stray light outside the field of view and making the most use of limited space, the NISS adopts the off-axis reflective optical system. The primary and the secondary mirrors, the opto-mechanical part and the mechanical structure are designed to be made of aluminum material. It reduces the degradation of optical performance due to a thermal variation. This paper presents the study on the conceptual design of the NISS.
MIRIS: A Compact Wide-field Infrared Space Telescope
Han, Wonyong,Lee, Dae-Hee,Jeong, Woong-Seob,Park, Youngsik,Moon, Bongkon,Park, Sung-Joon,Pyo, Jeonghyun,Kim, Il-Joong,Park, Won-Kee,Lee, Dukhang,Seon, Kwang-Il,Nam, Uk-Won,Cha, Sang-Mok,Park, Kwijong IOP Publishing 2014 Publications of the Astronomical Society of the Pa Vol.126 No.943
Progress Report on Development of the MIRIS, the Main Payload of STSAT-3
박영식,한원용,이대희,정웅섭,문봉곤,박귀종,표정현,이덕행,남욱원,박장현,선광일,양선철,박종오,이승우,이형목,Park, Youngsik,Han, Wonyong,Lee, Dae-Hee,Jeong, Woong-Seob,Moon, Bongkon,Park, Kwijong,Pyo, Jeonghyun,Lee, Duk-Hang,Nam, Uk-Won,Park, Jang-H 한국천문학회 2012 天文學會報 Vol.37 No.2
MIRIS (Multipurpose Infra-Red Imaging System), the main payload of STSAT-3 (Science and Technology Satellite-3), is the first Korean Infrared Space Telescope developed by KASI (Korea Astronomy and Space Science Institute). The FM (fight model) of MIRIS has been recently completed, and various performance tests have been made to measure system parameters such as readout noise, system gain, linearity, and dark current. The MIRIS FM has been integrated to the satellite system for the environment tests scheduled in September 2012. The MIRIS is expected to be launched in November 2012.