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Generating lensed hosts for all the Twinkle systems in "sprinkled_agn_230.txt" (HackWeek at Fermilab) #443
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Hackers : @linan7788626, @mpwiesner, @jbkalmbach, @drphilmarshall, @bnord IntroductionThis project is following the hackday project in the DESC meeting at SLAC. We are going to produce lensed host galaxies based one the catalogs we created in the hackday. The goal of this work is generating lensed host galaxies for lensed AGNs, which is a preparation for the next stage of the Twinkles simulation. The basic idea is:
Inputs
Output
The Goal by the end of this Hackweek
Future Work
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Rock. ON. This is going to be great! Let's try hard to get the PhoSim outputs in place: I really want to see how visible these host galaxies are, by eye, preferably by blinking back and forth between two gri color composite cutout image PNGs :-) Even if we don't get that far, a key aspect of this project is visualization: let's display the different components of the cutout image as we make them, to check that we are building up sensible things. This will also work best if we use gri composites, always with the same cutout field of view and the same color scales and nonlinearity. We have code to make these, |
Thank you for your suggestion. Yes, you are right, let's try to get the PhoSim outputs first. We all are interested in the visibility of the lensed host galaxies, but we may go further if there is enough time. :-). Regardless, this is just the first version of the task list, if you would like to update it with your ideas and suggestions, I really appreciate it. Looking forward to meeting you at Fermilab next week. :-) Best, |
Hi @linan7788626 here is an updated version of sprinkled_hosts_230.txt with no magnification in the AGN hosts. It was created using the notebook I made and am merging shortly. |
Hi, @jbkalmbach, thank you for the updated catalog, it is very helpful. I am working on wrapping up all the codes for this project and will post the updates here tomorrow. |
sprinkled_agn_230.txt Here are updated agn and lens catalogs as well. You can match the AGN and the AGN hosts to the lens using |
Fantastic, Thanks a lot. |
Hi @mpwiesner, Please check out these files from Bryce: sprinkled_agn_230.txt
[Unique_lens_ID] _ [lens_ra] _ [lens_dec] _ [mag] _ [SED] _ [zs] _ [PixelSize] . fits Thanks, |
@linan7788626 and @jbkalmbach this looks great. I can easily take these all and make instance files and run PhoSim. Is it correct that our end goal is 199 individual FITS images, one for each lensing system? |
Hi, @mpwiesner , in my opinion, the end goal is not 199 individual FITS images, but a patch of the sky including all the Twinkle systems. Probably, it would be similar to the sample picture in the description of Twinkles. Hi @jbkalmbach and @drphilmarshall , could you please confirm the end products of this hackweek is 199 individual FITS images or a patch of the sky including 199 twinkles system? Thank you so much! Best, |
I'd say go for the sensor image - we can make cutout images later. But
either works - do whatever is fastest and easiest! :-)
…On Apr 5, 2017 3:25 PM, "Nan Li" ***@***.***> wrote:
Hi, @mpwiesner <https://github.com/mpwiesner> , in my opinion, the end
goal is not 199 individual FITS images, but a patch of the sky including
all the Twinkle systems. Probably, it would be similar to the sample
picture in the description of Twinkles.
Hi @jbkalmbach <https://github.com/jbkalmbach> and @drphilmarshall
<https://github.com/drphilmarshall> , could you please confirm the end
products of this hackweek is 199 individual FITS images or a patch of the
sky including 199 twinkles system? Thank you so much!
Best,
Nan
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Hi @mpwiesner , the new images are good, but we need to double check something first.
In my opionion, the critical issue in current results is that Making sure the locations of lensed AGNs and lens galaxies are correct. If you could give me any details, it should be awesome. Thanks, |
Questions for all hackers in this project.
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