This paper reviews the legacy of the SPCIA Coronagraph Instrument (SCI) of which the primary scientic objective is the characterization of Jovian exoplanets by coronagraphic spectroscopy in the infrared. Studies on binary shaped pupil mask coronagraphs are described. Cryogenic active optics is discussed as another key technology. Then approaches to observing habitable zones in exoplanetary systems with a passively-cooled space infrared telescope are discussed. The SCI was dropped in a drastic change of the SPICA mission. However, its legacy is useful for space-borne infrared telescopes dedicated for use in exoplanetary science in the future, especially for studies of biomarkers.

ABSTRACT
1. SCIENCE OBJECTIVE
2. LEGACY OF THE SCI
REFERENCES

• Keigo Enya(Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency)