Supernova Light Echoes Discussion: Difference between revisions
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Can we expect to see extra-galactic light echos ??? | Can we expect to see extra-galactic light echos ??? | ||
I doubt it, we'd need to resolve the sections of dust at the correct distance from the SN whose echoes we're looking for to see it's spectra apart from the spectra of surrounding material. Even in the closest galaxies, getting that good a resolution seems unlikely. | |||
What is the future potential ?? | What is the future potential ?? | ||
Revision as of 13:14, 31 August 2009
Presenter : Peter Hoeflich
Assigned Reading
- Carroll & Ostlie: Intro to Astro, Chap. 15/16
- Astronomy Magazine Article
Discussion
Why are we interested in the 'old' stuff ?
What's the basic idea and ansatz?
Why did it take so long for observes to see them ?
What are classification and signatures, and how do they relate to the underlying stellar explosion ?
Can we expect to see extra-galactic light echos ???
I doubt it, we'd need to resolve the sections of dust at the correct distance from the SN whose echoes we're looking for to see it's spectra apart from the spectra of surrounding material. Even in the closest galaxies, getting that good a resolution seems unlikely.
What is the future potential ??