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addition of DECam u, VR filters #38
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Hi Katie, I don't know if you are somehow connected with the user that made a similar request some time ago. To that request I replied the following: I never got any feedback from that user, so this has not progressed further. Let me know what you think. Kind regards, |
Hi Francesca, Thank you for the response! I am working with the user that made the request, and am starting a new issue in his stead. |
Maybe then you could provide some feedback on the concerns I had raised following the initial request (I quote from my previous reply to your colleague):
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Could a set of DECam u,VR filters be created with different labeling? |
Sorry for the delay in replying to your last comment. Please follow the instructions detailed at https://gaiaxpy.readthedocs.io/en/latest/usage.html#request-photometric-systems to support your request, i.e. one file per band containing wavelength and total response, indication of type of response (photonic or energy curve) and preferred system (AB or VEGAMAG). |
decam_g_transmission.txt Thank you, I've attached seven filter transmission percentage curves for ugrizY and VR, in the AB system, from https://noirlab.edu/science/programs/ctio/filters/Dark-Energy-Camera. |
I am not sure I understand what are the curves you are providing. If I plot them in lin and log scale this is what I get: which is very different from the plot on the DECam webpage: I also still need to know if these are photonic or energy curves. |
Hi Francesca, I apologize for the confusion; I sent you the filter transmissions without the DECam instrument QE and atmospheric throughput included. Included are the full photonic curves (filter + instrument + atm) for DECam ugrizY and VR filters, and we'd like the synthetic photometry in the AB system. decam_g_throughput.txt |
Hello, just checking in on this issue since I took such a long time in responding last. |
Hi Katie,
Do not hesitate contacting us if you encounter issues. In one of your previous comments you were asking about the possibility of applying the standardisation procedure for the u filter. I am afraid that at this time we are not able to help you with this. Kind regards |
Hello,
Would it be possible to add the DECam u-band and VR-filters to gaiaxpy. They are available at https://noirlab.edu/science/programs/ctio/filters/Dark-Energy-Camera
Thank you!
-Katie FAsbender
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