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Support writing Time columns with automatic formatting and metadata in io.ascii's MRT writer #18385

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@augustfly

Description: Support writing Time columns to MRTs via io.ascii's MRT write. Automatic formatting options are TBD but may include ISO8601 formatted date time strings, Julian dates, Julian dates with offsets expressed in the description field, and seconds.

Source: Astropy/AAS MRT Writer Plan

Subissues: acceptable time export formats; requirements for column descriptions of Time columns; testing for non-Time column time column exports (warnings?)

@neutrinoceros @hamogu

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  1. augustfly commented on Jul 3, 2025

    @augustfly
    Author

    @neutrinoceros so we talked about doing subissues for some of the details in these top-level issues, but I don't seem to be able to add subissues. I added this Time issue first and only after realized that (a) it really needs subissues for all its requirements, and (b) I can't add subissues. Do you want me to only add detailed (more precise) issues, or can I create top-level issues for targeting functionality and then later add sub-issues once it is clearer that refined requiements are possible? Based on my list, this varies from completely clear (subissues) to less clear delineations. Thanks.

  2. self-assigned this
    on Jul 3, 2025
  3. pllim commented on Jul 3, 2025

    @pllim
    Member

    I don't seem to be able to add subissues

    Maybe only maintainer with write access can. If you comment more on what subissue where, I might be able to help. Thanks!

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