Syllabus

(6 hrs) Sun as a star (qualitative): Solar spectrum, effective temperature, luminosity, photospheric absorption lines, limb darkening; energy source: Kelvin time scale, nuclear fusion; energy transport in the sun, Thomson scattering, mean free path, photon diffusion inside the Sun; photosphere, chromosphere, transition region, corona; X-ray emission, magnetic fields, Sunspots

(10 hrs) Formation of stars, Initial Mass Function, Equation of State, Stellar Structure Equations, Pre-main sequence evolution, Jeans instability, Hayashi Track, Zero Age Main Sequence, H-burning Phase, Energy Transportation in lower and upper main sequence stars, Mass Luminosity Relation.

(10 hrs) Post-Main Sequence Evolution (Low and High mass stars): Overall Contraction Phase, H-burning in shell, properties of subgiant and red-giant branch stars, Onset of He-burning, Horizontal Branch stars, Asymptotic giant branch stars, Properties of Luminous Blue Variables and Wolf-Rayet stars, Planetary Nebula Phase, White dwarf, C, Ne, O, Si - burning phases, Supernova explosion, formation of Neutron Star and Black hole.

( 10 hrs) Probing the interior using stellar pulsation: Stellar Pulsation Across HR-diagram, pulsation mechanism, Pulsation Mode Identification, Modelling of stellar pulsation, generating rotation profile from pulsation.

To learn the basics of star formation and Stellar Structure.

To get acquainted with energy transportation in stars

To understand the post-main sequence evolution and final fate of stars.

To know about the various energy sources inside the stars

To know the pulsation mechnisms to explore the interior of stars

CO1 To learn the basics of star formation and Stellar Structure.

CO2 To get acquainted with energy transportation in stars

CO3 To understand the post-main sequence evolution and final fate of stars.

Achim Weiss, Alfred Weigert and Rudolf Kippenhahn, Stellar Structure and Evolution, Springer

M. Salaris and S. Cassisi, Evolution of stars and stellar Populations, John Wiley & Sons

Subrahmanyan Chandrasekhar, An Introduction to the Study of Stellar Structure, Dover Publications Inc. (2003)

D. Prialnik, An Introduction to the Theory of Stellar Structure and Evolution, Cambridge University Press

C. Aerts J. Christensen-Dalsgaard and D. W. Kurtz, Asteroseismology, Springer

R. Kippenhahn and A. Weigert, Stellar Structure and Evolution, Springer.