TPF-I SWG Report - Exoplanet Exploration Program - NASA

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5.4.6 OPD Metrology ............................................................................................................. 113 5.5 Optomechanical Layout............................................................................................................... 113 5.5.1 Beamcombiner spacecraft.............................................................................................. 113 5.6 Spacecraft Design ........................................................................................................................ 114 5.6.1 Thermal Modeling ......................................................................................................... 115 5.6.2 Structural Modeling ....................................................................................................... 115 5.7 Mission Description..................................................................................................................... 116 5.8 Performance of Flight Baseline Design ....................................................................................... 117 5.8.1 Inner and Outer Working Angles................................................................................... 117 5.8.2 Stars Surveyed ............................................................................................................... 119 5.8.3 Spectroscopy.................................................................................................................. 121 5.8.4 Angular Resolution and Imaging................................................................................... 124 5.8.5 Optimized Program Completeness ................................................................................ 126 5.9 References.................................................................................................................................... 129 6 Technology Roadmap for TPF-I ...................................................................131 6.1 Technology Gates ........................................................................................................................ 131 6.1.1 Optics and Starlight Suppression Gates......................................................................... 131 6.1.2 Formation Flying Gates ................................................................................................. 132 6.1.3 Cryogenic Technology Gate .......................................................................................... 133 6.1.4 Integrated Modeling Gate .............................................................................................. 133 6.2 Nulling Interferometry................................................................................................................. 133 6.2.1 State of the Art in Nulling Interferometry ..................................................................... 133 6.2.2 Achromatic Nulling Testbed (ANT).............................................................................. 135 6.2.3 Planet Detection Testbed (PDT) .................................................................................... 136 6.2.4 Adaptive Nuller Testbed (AdN) .................................................................................... 138 6.2.5 Mid-Infrared Single-Mode Spatial Filters ..................................................................... 139 6.3 Formation Flying ......................................................................................................................... 139 6.3.1 Formation-Flying Requirements.................................................................................... 139 6.3.2 Formation Algorithms and Simulation Testbed (FAST) ............................................... 143 6.3.3 Formation Control Testbed (FCT)................................................................................. 145 6.4 Future Hardware for General Astrophysics ................................................................................. 149 6.4.1 Off-Axis Phase Referencing .......................................................................................... 150 6.4.2 Wavelength Coverage.................................................................................................... 150 6.4.3 Spectral Resolution........................................................................................................ 151 6.4.4 Beam Combination and Field-of-View (FOV).............................................................. 151 xii
6.4.5 Double Fourier Interferometry....................................................................................... 152 6.5 Bibliography ................................................................................................................................ 154 6.5.1 References for Figure 6-1 .............................................................................................. 154 6.5.2 Achromatic Nulling Testbed.......................................................................................... 156 6.5.3 Planet Detection Testbed ............................................................................................... 156 6.5.4 Adaptive Nuller Testbed................................................................................................ 156 6.5.5 Mid-Infrared Single Mode Spatial Filters...................................................................... 157 6.5.6 Future Hardware for General Astrophysics ................................................................... 157 7 Preparatory Science for TPF-I ......................................................................159 7.1 Pre-Phase A.................................................................................................................................. 159 7.1.1 Priority 1: Exozodiacal Dust......................................................................................... 159 7.1.2 Priority 2: Frequency of Terrestrial Planets.................................................................. 160 7.1.3 Priority 3: Target Stars.................................................................................................. 160 7.1.4 Priority 4: Signs of Life ................................................................................................. 161 7.2 Phase A ........................................................................................................................................ 162 7.2.1 Priority 1: Frequency of Terrestrial Planets................................................................... 162 7.2.2 Priority 2: Target Stars................................................................................................... 162 7.2.3 Priority 3: Signs of Life ................................................................................................. 163 7.2.4 Priority 4: Exozodiacal Dust.......................................................................................... 163 7.3 Phases B and C/D ........................................................................................................................ 163 8 Discussion and Conclusions ...........................................................................165 Appendices............................................................................................................167 Appendix A Technology Advisory Committee ...............................................169 Appendix B Flight System Configuration.......................................................171 Appendix C Formation-Flying Algorithm Development...............................175 Formation Flying Control Architecture ............................................................................................... 175 Formation and Attitude Control System (FACS) Algorithms ............................................................. 176 FAST – Distributed Real-Time Simulation ......................................................................................... 183 References............................................................................................................................................ 188 Appendix D Acronyms ......................................................................................189 Appendix E TPF-I Review Papers...................................................................194 Appendix F Contributors and Credits............................................................195 xiii
Page 1 and 2: JPL Publication 07-1 Terrestrial Pl
Page 3: Abstract Over the past two years, t
Page 7 and 8: Acknowledgements Twenty-two represe
Page 9 and 10: Table of Contents 1 Introduction...
Page 11: 4.8.3 Post-Nulling Calibration.....
Page 15 and 16: I NTRODUCTION 1 Introduction Over 2
Page 17 and 18: I NTRODUCTION et al. 2004), and res
Page 19 and 20: I NTRODUCTION Standard Interferomet
Page 21: I NTRODUCTION 1.4 References Angel,
Page 24 and 25: C HAPTER 2 0.7 to 1.5 AU scaled by
Page 26 and 27: C HAPTER 2 Table 2-2. Illustrative
Page 28 and 29: C HAPTER 2 Classical interferometry
Page 30 and 31: C HAPTER 2 trivial in the absence o
Page 32 and 33: C HAPTER 2 Figure 2-3. Simulated mi
Page 34 and 35: C HAPTER 2 would be in atmospheres
Page 36 and 37: C HAPTER 2 Figure 2-6. The mid-infr
Page 38 and 39: C HAPTER 2 Lines of constant stella
Page 40 and 41: C HAPTER 2 presence of zodiacal clo
Page 42 and 43: C HAPTER 2 S EZ 2π ∫ θ max ∫
Page 44 and 45: C HAPTER 2 Figure 2-11. Observation
Page 46 and 47: C HAPTER 2 Figure 2-12. Models of t
Page 48 and 49: C HAPTER 2 Beichman, C. A., Fridlun
Page 50 and 51: C HAPTER 2 2.7.4 Suitable Targets E
Page 52 and 53: C HAPTER 2 Reach, W. T., Franz, B.
Page 54 and 55: C HAPTER 3 3.1.1 Darwin/TPF-I Prope
Page 56 and 57: C HAPTER 3 clouds or an OB associat
Page 58 and 59: C HAPTER 3 Figure 3-3. Three possib
Page 60 and 61: C HAPTER 3 the circumstellar disk,
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C HAPTER 3 Figure 3-6. (Left panel)
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C HAPTER 3 Continuum interferometry
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C HAPTER 3 Figure 3-9: Simulated im
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C HAPTER 3 3.3 Conclusions Darwin/T
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C HAPTER 3 Nguyen, H. T., Kallivaya
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D ESIGN AND A R C H I T E C T U R E
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C HAPTER 5 Heavy launch vehicle. Th
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C HAPTER 5 5.3.2 Combiner Spacecraf
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C HAPTER 5 5.3.5 Beam Transfer betw
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C HAPTER 5 Figure 5-8. Control sche
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C HAPTER 5 Figure 5-9. First sectio
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C HAPTER 5 Figure 5-9 shows the fir
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C HAPTER 5 5.4.4 Shear Metrology Sh
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C HAPTER 5 Figure 5-15. TPF-I Fligh
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C HAPTER 5 secondary mirror along t
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C HAPTER 5 a) c) b) d) IWA = 43 mas
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C HAPTER 5 planets found. Figure 5-
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C HAPTER 5 30 25 5 M earth 3 M eart
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C HAPTER 5 5.8.4 Angular Resolution
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C HAPTER 5 Table 5-3. Angular Resol
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C HAPTER 5 The optimization works b
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T E C H N O L O G Y R OADMAP FOR TP
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F UTURE D EVELOPMENTS 7 Preparatory
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F UTURE D EVELOPMENTS • To comple
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F UTURE D EVELOPMENTS Table 7-1. Pr
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D ISCUSSION AND C ONCLUSION 8 Discu
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Appendices 167
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T E C H N O L O G Y A DVISORY C O M
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F L I G H T S YSTEM C ONFIGURATION
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F L I G H T S YSTEM C ONFIGURATION
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A PPENDIX C 2. Identical FACS fligh
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A PPENDIX C 2. Recall that the coef
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A PPENDIX C Once the formation has
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A PPENDIX C Figure C-3. Example of
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A PPENDIX C Figure C-4. FAST Flight
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A PPENDIX C The “true” time of
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A PPENDIX C References Cohen, S., a
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A PPENDIX D DC DCB DM DM DOCS DOD D
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A PPENDIX D NaCl NAR NASA NASTRAN N
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A PPENDIX E Appendix E TPF-I Review
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A PPENDIX F Alice Quillen, Universi
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A PPENDIX F Figure 3-1 - Original f
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TPF-I SWG Report - Exoplanet Exploration Program - NASA

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