# \#odw-2025

**URL:** https://ask.igwn.org/tag/odw-2025/6.md

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## [Which ASD to use in Challenge](https://ask.igwn.org/t/which-asd-to-use-in-challenge/1303)

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**Author:** [@mdubois](https://ask.igwn.org/u/mdubois)\
**Replies:** 2\
**Last updated:** [June 2, 2025, 8:45am UTC](https://ask.igwn.org/t/which-asd-to-use-in-challenge/1303 "2025-06-02T08:45:29Z")

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Dear all, We are working on the ODW challenge especially exercise 4. The data to use is taken from O2. However, by default bilby uses the ASD from O4. According to our colleagues, this could make a significant differen…

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## [Deadline for the Data Challenge](https://ask.igwn.org/t/deadline-for-the-data-challenge/1306)

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**Author:** [@Yashika](https://ask.igwn.org/u/Yashika)\
**Replies:** 1\
**Last updated:** [May 19, 2025, 4:56pm UTC](https://ask.igwn.org/t/deadline-for-the-data-challenge/1306 "2025-05-19T16:56:31Z")

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It is mentioned in the github link that the deadline for submitting the data challenge is mentioned in the thinkific website. But I do not think it’s updated. May I please know the deadline to submit the challenge?

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## [GW- Open data challenge](https://ask.igwn.org/t/gw-open-data-challenge/1309)

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**Author:** [@Shreya02](https://ask.igwn.org/u/Shreya02)\
**Replies:** 1\
**Last updated:** [May 19, 2025, 4:55pm UTC](https://ask.igwn.org/t/gw-open-data-challenge/1309 "2025-05-19T16:55:11Z")

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What is the due date for the GW open data challenge for May 2025? Will it still be considered if I submit the solutions late and complete the workshop nonetheless. Will I still get a completion certificate?