Difference between revisions of "Gravitational Lensing"
From PGSC Wiki
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*Write down the lens equation. (SR) | *Write down the lens equation. (SR) | ||
*What is a typical size of an Einstein radius? (RS? SR? I can't remember who asked.) | *What is a typical size of an Einstein radius? (RS? SR? I can't remember who asked.) | ||
+ | *In microlensing, how does one detect a lensing event, given that one does not see a clear Einstein ring? (SR,MT) | ||
+ | **How is this effect related to the lensing potential? (SR, MT) | ||
[[Astrophysics]] | [[Astrophysics]] |
Revision as of 18:03, 5 December 2008
Questions in this category have been asked by PJ, MT and SR
- How can you use gravitational lensing to determine H0?
- What is the deflection of light by sun using newtonian mechanics? (calculate it, do the integral)
- Compare it with the GR result
- What kind of objects can cause gravitational lensing?
- what's the smallest thing we know that causes lensing?
- "Do you know anything about Gravitational Lensing? Write down any equation related to lensing." (SR)
- How do you determine the magnification of a gravitationally lensed image from the lens equation? (SR)
- How would one calculate the deflection angle of light using GR? (SR)
- Write down the lens equation. (SR)
- What is a typical size of an Einstein radius? (RS? SR? I can't remember who asked.)
- In microlensing, how does one detect a lensing event, given that one does not see a clear Einstein ring? (SR,MT)
- How is this effect related to the lensing potential? (SR, MT)