PH217: Fundamentals of Astrophysics

Instructor: Dipankar Bhattacharya

Notes on some of the material taught in this course can be found below.

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Lecture Notes

Important Astronomical Scales

The Astronomical Magnitude Scale

Special Relativity

The Cosmological Metric
Recommended reading

Equation of State
Recommended reading

Matter and Radiation
Recommended reading

Polytropic Stars
Isothermal Sphere
A Rough Guide to Stellar Structure
Recommended reading

Stellar structure: Mechanical Equilibrium
Radiative Energy Transport
Convective Energy Transport
Recommended reading

Equations of Stellar Structure and Evolution

Nucleosynthesis and Stellar Evolution
Post Main-Sequence Evolution of Stars
Stellar Evolution in the HR diagram
Recommended reading
Parametrized evolutionary tracks

Binary Stars
Recommended reading

Shock waves and particle acceleration
Recommended reading

The Interstellar Medium
Jeans' Instability
Recommended reading

Stellar systems: two-body relaxation
Stellar Dynamics: Galaxies
Recommended reading

Cosmology I: kinematics
Cosmology II: dynamics
Cosmology III: thermodynamics
Recommended reading


Assignment 1
Assignment 2
Assignment 3
Assignment 4
Assignment 5
Assignment 6
Assignment 7
Assignment 8
Assignment 9
Assignment 10
Assignment 11

Seminars and Essays

Available below are texts of seminars and essays contributed by some of the students of the course:

Forbidden Transitions by Kanhaiya Pandey

Star Formation by Akash Bhattacharya

Inflation in the Early Universe by Tulasi Nandan Parashar

Retarded Potentials and Gravitational Lensing by Siddhartha Sinha

Compton Scattering and Red Giant Stars by M. Sampoorna

Black Body Radiation and Star Clusters by Shashikant

Plasma Oscillations and Spiral Density Waves by Abhay Karnataki

Shock Waves and Dark Matter by Ekta

Synchrotron Radiation and Active Galaxies by Manju Sudhakar

Limb Darkening and X-ray Binaries by M.C. Ramadevi