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Based on a discussion with @rmjarvis and @esheldon today, it would be useful to have ways to circumvent the Sersic profile limitation that there is a significant setup time for every single new value …
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Right now generating a proposal for a single source (even for the GPU) involves evaluating several bicubic splines and their derivatives using a loop over scipy.SmoothBivariateSpline objects in the CP…
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In the current code, a component model is created by setting the maximum intensity pixel of the morphology (often central pixel) to 1 and then multiplying the morphology by the spectrum. After PSF con…
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There should be a single function that provides Sersic parameters instead of a call to each attribute.
Related to #37
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I would like to add a function in the biro solver for the computation of the gradient of the chi squared with respect to Sersic shape parameters. I need it in order to use HMC and I think the best sol…
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When the `setLensPars` method of `FastLensSim` attempts to define a Sersic object, as in [this](https://github.com/tcollett/LensPop/blob/86b40b6470cb458b47ffa2450820b1f923895b6d/FastLensSim.py#L120) l…
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I developed this functionality for `deeplenstronomy`, and I'm posting here in case it might be useful.
```python
from inspect import getfullargspec
import lenstronomy
class ProfileArgumentEr…
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Hello,
I am using AutoProf v0.7.3 to fit Sersic profiles to a set of galaxies with the Levenberg-Marquardt fitting method. I run into the issue that a large portion of my sample has a fitted axis r…
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The Sersic indexes and axis ratios in the catalog are sampled from empirical distributions that are redshift dependent. In the analogous work of Schreiber+2017, there is a correlation between Sersic i…
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- this is likely due to an issue with my psf
- add more galaxies for the comparison (I've done only 19/31 for NRGs27)
- repeat for MKW8 field
- could also be an issue with combining images with dif…
rfinn updated
4 years ago