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Astronauts and Robots 2015: Neil Gehrels, NASA

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American Astronautical Society, Astronauts and Robots: Partners in Space Exploration, May 12-13, 2015 - http://astronautical.org/event/astronauts-robots

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Astronauts and Robots 2015: Neil Gehrels, NASA

  1. 1. Wide Field InfraRed Survey Telescope WFIRST May 13, 2015 03/18/15 1 Neil Gehrels (NASA-GSFC) WFIRST Project Scientist
  2. 2. Discovery Science • WFIRST was highest ranked large space mission in 2010 Decadal Survey • Use of 2.4m telescope enables - Hubble quality imaging over 100x more sky - Imaging of exoplanets with 10-9 contrast with a coronagraph 2 Dark Energy Exoplanets microlensing coronagraph Astrophysics M63 HST WFIRST
  3. 3. 1990 LRD: 2020s 1999 2003 LRD: 2018 3
  4. 4. Gravitational Lensing 4 MAC J1206.2-0847 Postman HST WFIRST 0.79 deg
  5. 5. WFIRST Instruments Wide-Field Instrument (WFI) • Imaging & spectroscopy over 1000s of sq. deg. • Monitoring of SN and microlensing fields • 0.7 – 2.0 micron bandpass • 0.28 deg2 FoV (100x JWST FoV) • 18 H4RG detectors (288 Mpixels) • 6 filter imaging, grism + IFU spectroscopy Coronagraph (CGI) • Imaging of ice & gas giant exoplanets • Imaging of debris disks • 400 – 1000 nm bandpass • ≤10-9 contrast (after post-processing) • 100 milliarcsec inner working angle at 400 nm 5 GEO or L2 orbit Serviceable
  6. 6. Neil O'Neal WFIRST Observatory 8.2m
  7. 7. What's Happening with WFIRST 7 • Huge progress on WFIRST this year • $106M in FY14 & 15 has enabled major steps forward • H4RG detector development • Coronagraph development • Design cycles, Project work • SDT 2014 study completed • ROSES community studies • Pasadena conference held • Special session at AAS • ExoPAG, COPAG, PhysPAG • Exciting times for WFIRST coronagraph shaped pupil mask H4RG-10 mounted in EDU structure
  8. 8. WFIRST SDT Co-Chairs • David Spergel, Princeton University • Neil Gehrels, GSFC Members • Charles Baltay, Yale University • Dave Bennett, University of Notre Dame • James Breckinridge, California Institute of Technology • Megan Donahue, Michigan State University • Alan Dressler, Carnegie Institution for Science • Scott Gaudi, Ohio State University • Tom Greene, ARC • Olivier Guyon, Steward Observatory • Chris Hirata, Ohio State University • Jason Kalirai, Space Telescope Science Institute • Jeremy Kasdin, Princeton University • Bruce Macintosh, Stanford University • Warren Moos, Johns Hopkins University • Saul Perlmutter, University of California Berkeley • Marc Postman, Space Telescope Science Institute • Bernie Rauscher, GSFC • Jason Rhodes, JPL • Yun Wang, IPAC/Cal Tech • David Weinberg, Ohio State University Ex Officio • Dominic Benford, NASA HQ • Mike Hudson, Canadian Space Agency • Woong-Seob Jeong, Korea ASSI • Yannick Mellier, European Space Agency • Wes Traub, NASA JPL • Toru Yamada, Japan JAX Project Science Team • Dominic Benford, Prog. Sci., NASA HQ • Gary Blackwood, Exoplanet Prog. Man. JPL • Neil Gehrels, Proj. Sci., GSFC • Wes Traub, JPL Proj. Sci., JPL • Jeff Kruk, Inst. Sci., GSFC • Jason Rhoads, JPL Dep Proj Sci, JPL 8 Also, 17 selected WPS science teams
  9. 9. WFIRST SDT Co-Chairs • David Spergel, Princeton University • Neil Gehrels, GSFC Members • Charles Baltay, Yale University • Dave Bennett, University of Notre Dame • James Breckinridge, California Institute of Technology • Megan Donahue, Michigan State University • Alan Dressler, Carnegie Institution for Science • Scott Gaudi, Ohio State University • Tom Greene, ARC • Olivier Guyon, Steward Observatory • Chris Hirata, Ohio State University • Jason Kalirai, Space Telescope Science Institute • Jeremy Kasdin, Princeton University • Bruce Macintosh, Stanford University • Warren Moos, Johns Hopkins University • Saul Perlmutter, University of California Berkeley • Marc Postman, Space Telescope Science Institute • Bernie Rauscher, GSFC • Jason Rhodes, JPL • Yun Wang, IPAC/Cal Tech • David Weinberg, Ohio State University Ex Officio • Dominic Benford, NASA HQ • Mike Hudson, Canadian Space Agency • Woong-Seob Jeong, Korea ASSI • Yannick Mellier, European Space Agency • Wes Traub, NASA JPL • Toru Yamada, Japan JAX Project Science Team • Dominic Benford, Prog. Sci., NASA HQ • Neil Gehrels, Proj. Sci., GSFC • Wes Traub, JPL Proj. Sci., JPL • Jeff Kruk, Inst. Sci., GSFC • Jason Rhoads, JPL Dep Proj Sci, JPL 9 Also, 17 selected WPS science teams Upcoming NRA /RFIs
  10. 10. WFIRST Dark Energy Program 10 Weak lensing 400M galaxy images BAO 20M galaxy spectra Supernovae 3000 SN Ia
  11. 11. Completing the Statistical Census of Exoplanets 11 M. Penny (OSU)
  12. 12. 12 M. Penny (OSU) • ~3000 planet detections. • 300 with Earth mass and below. • Hundreds of free-floating planets. WFIRST perfectly complements Kepler, TESS, and PLATO. Completing the Statistical Census of Exoplanets
  13. 13. SWEEPS 2012/4 F814W STACK Jay Anderson
  14. 14. WFIRST Brings Humanity Closer to Characterizing exo-Earths
  15. 15. COST EFFECTIVE – LOW RISK – NOBEL SCIENCE #1 Priority of Astro Decadal Survey Addresses all 3 APS performance goals Complements and enhances JWST science Foundation for discovering Earth-like planets Brings the Universe to STEM education Hubble’s clarity over 10% of the sky Hits 5/6 NASA Strategic Goals WFIRST Summary

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