Fig. 8.28 Laboratory bench demonstrator of dark-fringe interferometry at the Institut d'Astrophysique Spatiale at Orsay

PEGASE has two main objectives:

• Scientific: to study low-mass companions, either stellar or planetary, and in particular those that are very close to their star (i.e., the Pegasids);

• Technological: to validate certain instrumental techniques foreseen for DARWIN, notably space interferometry and flying in formation.

Fig. 8.29 Artist's impression of the FKSI mission (image credit: courtesy NASA, GSFC)

Fig. 8.30 Artist's impression of the PEGASE mission (image credit: courtesy Thales Alenia Space, ONES)'

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