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Starter ticket for the SGA-2024.
Working outline:
* Part 1:
* Train & validate a neural net to recognize what large galaxies "look" like, using the SGA-2020 images, blob masks, etc.
* Bonu…
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**Describe the bug**
When the Galaxy Generator reaches its final stage, where the number of Galaxies it can generate is effectively infinite, it errors out with the following error, causing it to not…
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I set my bulk dimboost to 100 and " Galaxies required to always Dimboost: " to 50.
I now have >50 galaxies and I could manually click the dim boost button.
I expected that the dim boost (even below …
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In the current cosmoDC2 model, for galaxies of the same stellar mass the distributions of restframe _(g-r)_ and _(r-i)_ colors of the two populations are identical:
- red sequence cluster galaxies …
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The unWISE catalog produces a background model based on the median residual after subtracting point sources in a ~1x1' grid. This leads to ugly boxy residuals around galaxies with sizes comparable to…
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As pointed out by @erykoff in #6, there is a ~5-10% sub-population of field galaxies that are significantly redder than the cluster red sequence at each redshift. Properly resolving this is not straig…
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### Work environment
| Questions | Answers
|---------------------------|--------------------
| Type of issue | Bug
| OS version (server) | Ubuntu
|…
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Note: this is also something for after the 1.7 release.
Celestia's rendering of galaxies and globular clusters should be improved, as has been done in celestia.Sci. Checklist of specific issues:
…
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Right now, the non-lens catalog consists of single Gaussian SDSS galaxies. Would like to use DC2 data to replace them with multiple Sersic galaxies.
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- thinking of hexbin in color-mag space
- coded by fraction of sdss galaxies that are detected by alfalfa
- also reverse, fraction of alfalfa galaxies that are detected by sdss
rfinn updated
4 years ago