Observational Astrophysics

1. Astrophysical Information.- 2. The Earth’s Atmosphere and Space.- 3. Radiation and Photometry.- 4. Telescopes and Images.- 5. Spectral Analysis.- 6. The Signal in Astronomy.- 7. Detectors.- 8. Space-Time Reference Frames.- Appendix A. Fourier Transforms.- A.1 Definitions and Properties.- A.1.1 Definitions.- A.1.2 Some Properties.- A.1.3 Important Special Cases in One Dimension.- A.1.4 Important Special Cases in Two Dimensions.- A.1.5 Important Theorems.- A.2 Physical Quantities and Fourier Transforms.- A.3 Wavelets.- Appendix B. Random Processes and Variables.- B.1 Random Variables.- B.2 Random or Stochastic Processes.- B.3 Physical Measurements and Estimates.- B.3.1 An Example of Estimation: Law of Large Numbers.- B.3.2 Estimating the Moments of a Process.- B.3.3 Estimation and Bias.- Appendix C. Physical and Astronomical Constants.- Appendix D. Tables of Space Missions.- Appendix E. Astronomy on the World Wide Web.- Appendix F. Acronyms and Abbreviations.