The cost information contained in this document is of a budgetary and planning nature and is intended for informational purposes only. It does not constitute a commitment on the part of JPL and Caltech. © 2014. All rights reserved. Exo-C STDT Interim Report Author List Author List Science and Technology Definition Team Karl Stapelfeldt..................................................................................................................... NASA Goddard (Chair) Ruslan Belikov ...................................................................................................................................... NASA Ames Geoffrey Bryden .................................................................................................................................... JPL/Caltech Kerri Cahoy ........................................................................................................................................................ MIT Supriya Chakrabarti ........................................................................................................................... UMass Lowell Mark Marley .......................................................................................................................................... NASA Ames Michael McElwain ............................................................................................................................ NASA Goddard Victoria Meadows ....................................................................................................................... Univ. of Washingon Eugene Serabyn ................................................................................................................................... JPL/Caltech John Trauger......................................................................................................................................... JPL/Caltech JPL Engineering Design Team Michael Brenner ......................................................................................................................... Exo-C Design Lead Keith Warfield.............................................................................................................................. Probe Study Office Frank Dekens................................................................................................................................ System Engineer Paul Brugarolas ........................................................................................................................... Pointing Engineer Serge Dubovitsky .......................................................................................................................... Flight Operations Robert Effinger ............................................................................................................................. Thermal Engineer Brian Hirsch ............................................................................................................................ Mechanical Engineer Andy Kissel ........................................................................................................................... Engineering Dynamics John Krist ................................................................................................................................... Optical Simulations Jared Lang .................................................................................................................................... System Engineer Joel Nissen ....................................................................................................................... Optical System Engineer Jeff Oseas .......................................................................................................................... Optical Design Engineer Eric Sunada ................................................................................................................................. Thermal Engineer With Additional Contributions by Sean Domagal-Goldman ................................................................................................................. NASA Goddard Marc Kuchner................................................................................................................................... NASA Goddard Peter Lawson ........................................................................................................................................ JPL/Caltech Aki Roberge ..................................................................................................................................... NASA Goddard Jagmit Sandhu ...................................................................................................................................... JPL/Caltech Sara Seager ....................................................................................................................................................... MIT i Exo-C STDT Interim Report 1—Table of Contents 1 Table of Contents 2 Executive Summary ............................................................................................................................................. 2-1 3 State of the Field at the Time of Probe Launch: The Exoplanet Science Landscape in 2024.............................. 3-1 3.1 Indirect Detections Using Stellar Reflex Motion ....................................................................................... 3-1 3.2 Transits .................................................................................................................................................... 3-1 3.3 Exoplanet Imaging Detections.................................................................................................................. 3-1 3.4 Disk Imaging ............................................................................................................................................ 3-2 3.5 Summary .................................................................................................................................................. 3-3 4 Design Reference Mission ................................................................................................................................... 4-1 4.1 Introduction: High-level Statement of Science Goals ............................................................................... 4-1 4.2 Detailed Description of Science Objectives .............................................................................................. 4-2 4.2.1 Exoplanet Target Samples .......................................................................................................... 4-2 4.2.2 Giant Planet Spectra.................................................................................................................... 4-4 4.2.3 Small Planet Spectra ................................................................................................................... 4-8 4.2.4 Debris Disk Imaging................................................................................................................... 4-11 4.3 Measurement Requirements .................................................................................................................. 4-15 4.3.1 Imaging Requirements ............................................................................................................... 4-15 4.3.2 Spectroscopic Requirements ..................................................................................................... 4-17 4.3.3 Mission Lifetime ......................................................................................................................... 4-20 4.4 Derived Instrument Requirements .......................................................................................................... 4-20 4.4.1 Overview .................................................................................................................................... 4-20 4.4.2 Telescope Aperture ................................................................................................................... 4-21 4.4.3 Coronagraphy ............................................................................................................................ 4-21 4.4.4 Wavefront Control ...................................................................................................................... 4-21 4.4.5 Stray Light ................................................................................................................................. 4-21 4.4.6 Imaging ...................................................................................................................................... 4-22 4.4.7 Spectroscopy ............................................................................................................................. 4-22 4.4.8 Detectors ................................................................................................................................... 4-23 4.4.9 Baseline Instrument Concept ..................................................................................................... 4-23 4.5 Mission Lifetime Science Observations Budget ..................................................................................... 4-23 4.6 Science Requirements Flow-Down ........................................................................................................ 4-23 4.6.1 Science Requirements to Mission Requirements .....................................................................