Pre-Phase A Report - Lisa - Nasa

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158 Chapter 7 Spacecraft Design 7.4 Mass and power budgets The spacecraft mass and power bugets are given in Table 7.1 below. Power budgets are given for two cases: power in operational orbit, and power during transfer. Subsystem Mass (kg) Operational Power in Transfer Power (W) Orbit (W) Payload 70.0 72.2 Payload Shield 14.2 Structure 41.1 Thermal 1.7 17.0 Attitude Measurement 6.0 2.1 12.7 Propulsion (FEEP) 22.0 Telecommunications 9.9 26.4 12.0 Data Handling 14.5 13.1 9.9 Power Subsystem 12.2 14.8 6.8 Cabling 15.1 Total 202.8 150.6 58.4 Table 7.1 Spacecraft mass and power budgets. The mass and power budgets of the propulsion module are given in Table 7.2 . Subsystem Mass (kg) Power (W) Structure 52.0 Thermal 3.0 17.0 Propulsion SEP 44.2 490.0 Propulsion Hydra 7.6 0.8 Power 12.6 26.9 Solar Array 4.2 1.0 Cabling 8.0 Total 131.6 535.7 Table 7.2 Propulsion module budgets. 3-3-1999 9:33 Corrected version 2.08
7.4 Mass and power budgets 159 The overall launch mass budget is presented in Table 7.3 . Item Composite Composite Composite Total 1 2 3 S/C 203 203 203 PM dry 132 132 132 Propellant 27 27 27 Total 362 362 362 1086 Adaptor 21 Contingency (30 %) 100 100 100 300 Total Launch Mass 462 462 462 1407 Table 7.3 Total launch mass budget (kg). Corrected version 2.08 3-3-1999 9:33
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LISA Laser Interferometer Space Ant
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LISA Laser Interferometer Space Ant
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Foreword The first mission concept
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The result of the Team-X study was
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Contents Foreword iii Executive Sum
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Contents ix 4.2.3 Acceleration nois
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Contents xi 9 Science and Mission O
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Executive Summary 1 Executive Summa
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Executive Summary 3 Complementarity
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Mission Summary 5 LISA Mission Summ
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Chapter 1 Scientific Objectives By
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1.1 Theory of gravitational radiati
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1.2 Low-frequency sources of gravit
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Chapter 2 Different Ways of Detecti
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2.2 Ground-based detectors 39 2.2 G
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2.2 Ground-based detectors 41 Count
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2.4 Spacecraft tracking 43 2.4 Spac
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2.7 Heliocentric versus geocentric
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2.8 The LISA concept 47 telescopes
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2.8 The LISA concept 49 Figure 2.6
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2.8 The LISA concept 51 seem rather
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Chapter 3 Experiment Description 3.
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3.1 The interferometer 55 Fiber to
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3.1 The interferometer 57 3.1.4 Sys
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3.1 The interferometer 59 Figure 3.
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3.1 The interferometer 61 3.1.6 Las
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3.1 The interferometer 63 signal sh
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3.1 The interferometer 65 for a sin
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3.2 The inertial sensor 67 design (
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3.2 The inertial sensor 69 and the
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3.2 The inertial sensor 71 Figure 3
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3.2 The inertial sensor 73 sufficie
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3.3 Drag-free/attitude control syst
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Chapter 4 Measurement Sensitivity 4
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4.1 Sensitivity 81 averaged transfe
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4.2 Noises and error sources 83 The
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4.2 Noises and error sources 85 Tab
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4.2 Noises and error sources 87 cod
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4.2 Noises and error sources 89 cha
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4.2 Noises and error sources 91 fre
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4.2 Noises and error sources 93 ele
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4.2 Noises and error sources 95 is
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4.2 Noises and error sources 97 and
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4.2 Noises and error sources 99 Eq.
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4.3 Signal extraction 101 here that
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4.3 Signal extraction 103 phase loc
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4.4 Data analysis 105 • LISA obse
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Page 127 and 128: 4.4 Data analysis 113 density Sn(f)
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Page 131 and 132: 4.4 Data analysis 117 LISA’s dist
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Page 191 and 192: 10.3 Schedule 177 The ESA Project M
Page 193 and 194: References [1] C.W. Misner, K.S. Th
Page 195 and 196: References 181 [35] C. Cutler, T.A.
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Page 201 and 202: List of Acronyms - and other abbrev
Page 203 and 204: List of Acronyms 189 LHC Large Hadr
Page 205: Rear cover figure : This Report has
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