"Version: 202112"--Title page verso.Includes bibliographical references.1. Introduction -- 1.1. Some brief history -- 1.2. Excitation of lines, masses -- 1.3. Variability and size -- 1.4. Global spectrum SED -- 1.5. The central engine -- 1.6. The AGN zoo, blazars, quasars, and others -- 1.7. Emission lines, and the BPT diagnostics -- 1.8. Unification models -- 1.9. Radio galaxies, and radio pro…
"Version: 20220901"--Title page verso.Includes bibliographical references.1. Astrophysical dust : an overview -- 1.1. Introduction -- 1.2. Methods of investigation -- 1.3. Interstellar environments -- 1.4. Significance2. The interaction of dust and electromagnetic radiation -- 2.1. Extinction -- 2.2. Polarization -- 2.3. Infrared emission -- 2.4. Grain dynamics3. The observed properties of dust…
"Version: 20171201"--Title page verso.Includes bibliographical references.1. Stars : setting the stage -- 1.1. The sun : our star -- 1.2. The chemical composition of the sun and stars -- 1.3. The structure of stars -- 1.4. Stellar evolution in a nutshell -- 1.5. Summary2. Observations of stellar parameters -- 2.1. The distance of stars -- 2.2. The mass of stars -- 2.3. The luminosity of stars -…
"Version: 20181201"--Title page verso.Includes bibliographical references.1. Introduction to the field -- 1.1. Why binaries are important -- 1.2. Why eclipsing binaries are even more importantpart I. Observations. 2. Observations and data acquisition -- 2.1. Timekeeping -- 2.2. Photometry -- 2.3. Spectroscopy -- 2.4. Interferometry -- 2.5. Astrometry -- 2.6. Polarimetry -- 2.7. Asteroseismology…
"Version: 20250901"--Title page verso.Includes bibliographical references.The drunkard and the policeman -- part I. Theoretical background. 1. The ISM and star formation -- 1.1. The ISM as a Flowing continuum -- 1.2. the components of the ISM2. The hydrodynamic equations -- 2.1. The fluid approach -- 2.2. The conservation equations -- 2.3. Constitutive relations -- 2.4. The fluid equations from…
"Version: 20190901"--Title page verso.Includes bibliographical references.part I. Foundations. 1. The early history of the transient sky -- 1.1. The nebulae -- 1.2. Novae in nebulae!2. Novae and the nature of spiral nebulae -- 2.1. Proper motions and spiral nebulae -- 2.2. Novae and nebulae -- 2.3. The great debate -- 2.4. The birth of extragalactic astronomy -- 2.5. Hubble's survey: the Mount …