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TESS monitors millions of stars for temporary drops in brightness caused by planetary transits. This first-ever spaceborne all-sky transit survey has identified planets of all sizes.

Data release products include: Raw full frame images, calibrated full frame images, target pixels, light curves, flat fields, pixel response function, and lists of TESS Objects of Interest (TOIs).

The TESS Followup Program (TFOP) aims to complete the TESS mission Level 1 Requirement of delivering 50 transiting small planets with measured masses to the community.