Red Supergiants - New Perspectives on Dying Stars - Emily Levesque

Explore the fascinating world of red supergiants in this comprehensive lecture on dying stars. Delve into the differences between red supergiants and red giants, examine the HR and KipHan diagrams, and understand the importance of these celestial objects. Learn about the challenges in measuring red supergiant temperatures and atmospheres, and discover the observational evidence for their existence. Investigate their role in binary systems, including interactions and populations. Gain insights into synthetic models, composite SEDs, and future research directions. Understand the significance of red supergiants in studying supernova progenitors, massive stars, and their applications in upcoming space telescope missions. Examine near-IR spectra, transmission throughput curves, and potential James Webb observations. Conclude with a summary of key points and the latest developments in this exciting field of astrophysics.

Intro
Red Supergiants
Red Supergiants vs Red Giants
Fourier Stars
HR Diagram
KipHan Diagram
Who Really Cares
Topics
Red Supergiant Temperatures
Red Supergiant Atmospheres
Limitations
Temperature Measurement
Photometry
Finding Red Supergiants
Observational Evidence
Luminosity
Contamination
Ambiguity
Optical Spectrum
Role in Binarys
Binary Interactions
Binary Populations
VV Sofia
Companions
Synthetic Models
Composite SEDS
Whats Next
Thor Injective Objects
Two Massive Stars
Dramatic Supernova
Neutron Star
Neutron Star Core
Thorne JetGab Objects
Who Cares
Applications
Supernova progenitors
Strange and variable stars
Massive stars
Upcoming space telescopes
The supernova factory
The progenitor library
Near IR spectra
Transmission throughput curves
James Webb observations
MidIR observations
Forecast instrument
Preliminary data
PAH lines
Summary points