Custom filter #1014
Replies: 9 comments 4 replies
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Not easily, no. Our SEDs span 900A to 4um. Any passbands that are redder than 4 microns cannot be easily supported. We would need to extend model atmosphere SEDs past 4um and, for that, we would need reliable FIR line lists. In the absence of such lists, the best we could do is blackbody models. Those would be easy to generate. |
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Thank you for the clarification.
Best regards,
Kittipong
…On Tue, Mar 11, 2025 at 9:26 PM Andrej Prsa ***@***.***> wrote:
Not easily, no. Our SEDs span 900A to 4um. Any passbands that are redder
than 4 microns cannot be easily supported. We would need to extend model
atmosphere SEDs past 4um and, for that, we would need reliable FIR line
lists. In the absence of such lists, the best we could do is blackbody
models. Those would be easy to generate.
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Kittipong Wangnok
+6684 828 6505
School of Physics
Institute of Science
Suranaree University of Technology
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I would like to inquire further about the custom filters. I possess data in the ASAS-SN-g, ASAS-SN-V, ATLAS-c, and ATLAS-o bands. Is it possible for me to upload the transmission profile of these filter sets from SVO and model it using PHOEBE? Thank you for your assistance. |
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Yes, if you upload the transmission functions here, I can generate the passband files and add them to the server. I would need:
I imagine that these passbands are in the covered wavelength range (90nm to 4um), but mentioning it again just to be sure. |
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Thank you for replying to my e-mail. I have sent all the transmission
profiles, which you can find here. In my understanding, we can use the
transmission profile of SDSS-g and Johnson-V instead of ASAS-Sn-g and
ASAS-SN-V bands. However, we don't have the filter of Atlas-c and o bands.
The transmission profiles contain ATLAS-c and ATLAS-c. All of the
transmission profiles can be downloaded from the website:
http://svo2.cab.inta-csic.es/theory/fps/index.php. Please upload both
passbands to the server. Thank you for being so helpful.
Best regards,
Kittipong
…On Fri, Mar 14, 2025 at 12:04 AM Andrej Prsa ***@***.***> wrote:
Yes, if you upload the transmission functions here, I can generate the
passband files and add them to the server.
I would need:
1. Passband set name (i.e., ASAS-SN)
2. Passband filter name (i.e., g)
3. Reference for the transmission function (paper link or online link)
4. Passband transmission file with two columns, wavelength and
transmission
5. Wavelength units
I imagine that these passbands are in the covered wavelength range (90nm
to 4um), but mentioning it again just to be sure.
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Kittipong Wangnok
+6684 828 6505
School of Physics
Institute of Science
Suranaree University of Technology
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ATLAS:cyan and ATLAS:orange have been added to the server. Please test thoroughly and report back with any issues. |
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Dear Andrej, I greatly appreciate your assistance. It’s functioning correctly now. However, I am curious about the outcome of the Nelder-Mead optimization. The results still do not align with the data provided in the attached file. Should we focus more on any specific aspect? Best regards, 
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I have one more question about ATLAS-c and ATLAS-o bands on HPC. I don't have any issue with both filters on my local laptop, but on the HPC, I have tried to download the ATLAS-o filter, then I got the error like in the attached file here:
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this may have just been a temporary connection issue, does it work if you try again? Do other passbands download? Can you access https://tables.phoebe-project.org/info in a web-browser? |
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No, still not working for downloading the ATLAS filter.
…On Wed, Apr 30, 2025 at 10:28 PM Kyle Conroy ***@***.***> wrote:
this may have just been a temporary connection issue, does it work if you
try again? Do other passbands download? Can you access
https://tables.phoebe-project.org/info in a web-browser?
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Kittipong Wangnok
+6684 828 6505
School of Physics
Institute of Science
Suranaree University of Technology
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ok - we were able to reproduce and will let you know when we have it fixed. Sorry for the troubles! |
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@kittipongwangnok, I managed to reproduce and hopefully fix the issue; can you please try again? |
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It is working now, thank you.
Best regards,
Kittipong
…On Fri, May 2, 2025 at 1:49 AM Andrej Prsa ***@***.***> wrote:
@kittipongwangnok <https://github.com/kittipongwangnok>, I managed to
reproduce and hopefully fix the issue; can you please try again?
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Kittipong Wangnok
+6684 828 6505
School of Physics
Institute of Science
Suranaree University of Technology
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I would like to ask about the custom filter for PHOEBE. For example, I want to use 2MASS:J filter. Can we do that?
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