Astronomy and Astrophysics
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![](https://www.facebook.com/dialog/feed?app_id=1767574003460647&link=https://bsc-physics-notes-online.myinstamojo.com/product/5312150/astronomy-and-astrophysics&picture=https://storeassets.im-cdn.com/media-manager/bsc-physics-notes-online/2YpFW1wPRQi6U80k9SOn_ASTRO.png&name=Astronomy and Astrophysics&caption=undefined&description=<p><br></p><h4 class="ql-align-center">Topics Covered in Notes</h4><h4 class="ql-align-justify"><br></h4><h4 class="ql-align-justify">Astronomical Scales: Astronomical Distance, Mass and Time, Scales, Brightness, Radiant Flux and Luminosity, Measurement of Astronomical Quantities Astronomical Distances, Stellar Radii, Masses of Stars, Stellar Temperature. Basic concepts of positional astronomy: Celestial Sphere, Geometry of a Sphere, Spherical Triangle,Astronomical Coordinate Systems, Geographical Coordinate Systems, Horizon System, Equatorial System, Diurnal Motion of the Stars, Conversion of Coordinates. Measurement of Time, Sidereal Time, Apparent Solar Time, Mean Solar Time, Equation of Time, Calendar. Basic Parameters of Stars: Determination of Distance by Parallax Method; Brightness, Radiant Flux and Luminosity, Apparent and Absolute magnitude scale, Distance Modulus; Determination of Temperature and Radius of a star; Determination of Masses from Binary orbits; Stellar Spectral Classification, Hertzsprung-Russell Diagram. (24 Lectures)</h4><h4 class="ql-align-justify"><br></h4><h4 class="ql-align-justify">Astronomical techniques: Basic Optical Definitions for Astronomy (Magnification Light Gathering Power, Resolving Power and Diffraction Limit, Atmospheric Windows), Optical Telescopes (Types of Reflecting Telescopes, Telescope Mountings, Space Telescopes, Detectors and Their Use with Telescopes (Types of Detectors, detection Limits with Telescopes). Physical principles: Gravitation in Astrophysics (Virial Theorem, Newton versus Einstein), Systems in Thermodynamic Equilibrium. (9 Lectures)</h4><h4 class="ql-align-justify"><br></h4><h4 class="ql-align-justify">The sun (Solar Parameters, Solar Photosphere, Solar Atmosphere, Chromosphere. Corona, Solar Activity, Basics of Solar Magneto-hydrodynamics. Helioseismology). The solar family (Solar System: Facts and Figures, Origin of the Solar System: The Nebular Model, Tidal Forces and Planetary Rings, Extra-Solar Planets. Stellar spectra and classification Structure (Atomic Spectra Revisited, Stellar Spectra, Spectral Types and Their Temperature Dependence, Black Body Approximation, H R Diagram, Luminosity Classification). (11 Lectures)</h4><h4 class="ql-align-justify"><br></h4><h4 class="ql-align-justify">The milky way: Basic Structure and Properties of the Milky Way, Nature of Rotation of the Milky Way (Differential Rotation of the Galaxy and Oort Constant, Rotation Curve of the Galaxy and the Dark Matter, Nature of the Spiral Arms), Stars and Star Clusters of the Milky Way, Properties of and around the Galactic Nucleus.</h4><h4 class="ql-align-justify"> (14 Lectures)</h4><h4 class="ql-align-justify"><br></h4><h4 class="ql-align-justify">Galaxies: Galaxy Morphology, Hubble’s Classification of Galaxies, Elliptical Galaxies (The Intrinsic Shapes of Elliptical, de Vaucouleurs Law, Stars and Gas). Spiral and Lenticular Galaxies (Bulges, Disks, Galactic Halo) The Milky Way Galaxy, Gas and Dust in the Galaxy, Spiral Arms. (7 Lectures)</h4><h4 class="ql-align-justify"><br></h4><h4 class="ql-align-justify">Large scale structure & expanding universe: Cosmic Distance Ladder (An Example from Terrestrial Physics, Distance Measurement using Cepheid Variables), Hubble’s Law (Distance- Velocity Relation), Clusters of Galaxies (Virial theorem and Dark Matter). (10 Lectures)</h4><h4 class="ql-align-justify"><br></h4><h4 class="ql-align-justify"><br></h4><h4 class="ql-align-justify">Suggested Books in Syllabus:</h4><h4 class="ql-align-center"><br></h4><ul><li class="ql-align-justify"><strong style="color: rgb(204, 0, 0);">Modern Astrophysics, B.W. Carroll & Ostlie, Addison-Wesley Publishing Co.</strong></li><li class="ql-align-justify"><strong style="color: rgb(204, 0, 0);">Introductory Astronomy and Astrophysics, M. Zeilik and S.A. Gregory, 4th</strong></li><li class="ql-align-justify"><strong style="color: rgb(204, 0, 0);">Fundamental of Astronomy (Fourth Edition), H. Karttunen et al. Springer</strong></li><li class="ql-align-justify"><strong style="color: rgb(204, 0, 0);">Baidyanath Basu, An introduction to Astrophysics, Second printing, Prentice -</strong></li><li class="ql-align-justify"><strong style="color: rgb(204, 0, 0);">Explorations: Introduction to Astronomy, Thomos Arny and Stephen Schneider.</strong></li><li class="ql-align-justify"><strong style="color: rgb(204, 0, 0);">Textbook of Astronomy and Astrophysics with elements of cosmology, V.B.</strong></li></ul><p><br></p>&redirect_uri=http://www.facebook.com)
Astronomy and Astrophysics
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Topics Covered in Notes
Astronomical Scales: Astronomical Distance, Mass and Time, Scales, Brightness, Radiant Flux and Luminosity, Measurement of Astronomical Quantities Astronomical&n
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