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are responsible for the ACIS and HETG on Chandra. CfA and MIT are also  collaborating on the TESS project is a proposed NASA SMEX mission. Participants  include Latham, Sasselov, Torres, Bakos, Holman (CfA) as well as Ricker, Seager,  Winn, Elliot, Hewitt, Vanderspek& Burgasser  (MIT). MIT also has a strong Magellan instrumentation group.Projects based at MIT  include the FIRE spectrograph (Simcoe, Burgasser & Schechter), the MagE