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AST 381 · Supernovae |
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Syllabus
15 weeks
- OVERVIEW - Observations and Theory (Wheeler & Benetti; Resource Letter) (2 weeks)
- Historical SN
- Extragalactic
- SN 1987A
- Spectral Classes
- P-Cygni line profiles
- Physical Mechanisms
- Thermonuclear Explosion
- Gravitational Collapse
- Compact Remnants - none, neutron star, black hole
- Light Curves
- Adiabatic Expansion
- Radioactive Decay
- Statistics
- Ia vs. Everything Else
- Young vs. Old Population, arms or not?
- Connecting Theoretical Evolution to Observed Explosions
- Distance Scale
- Introduction to the Supernova/Gamma-ray Burst Group in Austin
- OBSERVATIONAL BACKGROUND (3 weeks)
- Historical Supernovae
- Extragalactic Supernovae
- Spectral Types Ia, b, c, II, IIL, IIP, IIn, SN 1987A, SN 1993J
- Variations in Ia
- UV, IR, Radio, X-rays, Gamma-rays
- Polarization of Supernovae: The Asymmetry Revolution
- The Gamma-ray Burst Connection
- FINAL STAGES OF STELLAR EVOLUTION (2 weeks)
- Degenerate Carbon Cores
- Dredge-up
- Planetary Nebulae, Envelope Loss
- Degenerate O/Ne/Mg cores
- Iron Cores
- Pair Formation Supernovae
- Evolution with Rotation and Magnetic Fields
- Binary Evolution
- DYNAMICS (3 weeks)
- Thermonuclear Explosions
- Ignition, convection, the Urca process
- Laminar burning, instabilities
- Deflagration - Buoyancy instability, scaling law
- Central Carbon Ignition - convective flows
- Delayed Detonation, Pulsating Delayed Detonation
- Off-center Ignition, Spotty Ignition
- Gravitational Collapse
- Basic Dynamics
- Neutrino Transport
- Rotation, Magnetic Fields and Jets
- The Mass Cut: Neutron Stars versus Black Holes
- LIGHT CURVES AND SPECTRA (2 weeks)
- P-Cygni profile
- Emission line profiles
- Sobolev Approximation
- Expansion Opacity
- Flux Limited Diffusion
- Radioactive Decay and Gamma Ray Deposition
- EXPLOSIVE NUCLEOSYNTHESIS (1 week)
- Production Mechanisms
- Bulk Nucleosynthesis
- Fine Tuning
- Chemical Evolution
- SUPERNOVA REMNANTS (1 week)
- Circumstellar Environment
- Radio and X-ray emission
- Polarization
- Chevalier mechanism
- Old Supernovae, Very Young Remnants
- Young Remnants
- Old Remnants
- SUPERNOVAE AND THE DISTANCE SCALE (1 week)
- Type Ia as Calibrated Candles
- Expanding Photosphere Method
- The Hubble Constant
- Dark Energy and the Accelerating Universe
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