Chris Walter

icon company Duke University icon location Physics Department icon location Professor of physics at Duke University. Studies particle physics and cosmology. Works on Super-Kamiokande and the LSST at the Vera C. Rubin Observatory.

Results 106 comments of Chris Walter

Add sensor height map to batoid telescope model

@arasmssn This is the GitHub issue I asked you about.

Add missing keywords to raw FITS headers

Do you think there are now some new ones we are missing?

Revisit tree ring amplitudes for LSSTCam simulations

@kakoon Is now studying the parameters for each sensor based on the SLAC data.

New WCS type?

Is this being handled by any of the others work PRs (like #461 )? Or should it remain open?

instance catalog read twice

This was fixed with #465 and #466.

feature request: Output image background level and variance

Just to add a bit of info in case it isn't widely known: The background isn't flat, it is a gradient taken from the sky model so this would be...

feature request: Output image background level and variance

There are somethings, like tree-rings, which I think won't be completely separable. That is going to affect sources as well as the background and is going to depend where you...

feature request: Output image background level and variance

@esheldon Is there still something that needs to be done here? BTW note that HyeYun is working on updating the tree-ring model.

feature request: Output image background level and variance

You mean in your own framework code correct? If so, can you close this?

Properly deal with bright defocused objects

So far discussions have noted: - The light is spread over many more pixels in a donut. So, the saturation and full well conditions will be different. - One approach...