NASA's James Webb Space Telescope

Updated and Enhanced APT Version 25.4.2 Released

News Feature January 18, 2018

Screenshot showing APT help videos available on the JWST Observer You Tube channel.

The Astronomer's Proposal Tool (APT) was recently updated to include several enhancements to assist in JWST proposal planning. Released on January 16, APT version 25.4.2 includes the following enhancements:

  • Updates to the timing model, including revisions to the overheads for coordinated parallel observations and tight timing windows.
  • The option for MIRI LRS and MRS observations to be executed with no Target Acquisition.
  • Wavelength and filter selection flexibility for MIRI MRS observations. 

Visit the JWST What’s New page for APT to learn more about what’s new. You can also review documentation on JDox and download APT 25.4.2.

Remember to check out the video help on various APT topics on our JWST Observer You Tube channel. You’ll also find video assistance on other JWST-related topics, such as ETC and NIRSpec MSA and NOVT.

Please let us know via the JWST Help Desk if you find any problems or have suggestions for improvements.

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