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Build Swift-XRT products.

Version 1.10 of the Python API has been released as part of swifttools v3.0. Users are advised to update, and see the Release notes.
On 2022 August 5 we added some new options for spectral fitting to this service.

The www.swift.ac.uk website and all related services will be offline on Tuesday 27th January 2026, from 9:00 am UT for up to six hours. This is for routine but essential maintenance. Any running processing will be terminated at this point; to balance minimising the service interruption with the risk of killing jobs, user-requested job submission will be disabled at 00:00 UT on the 27th. We apologise for any inconvenience.

On-demand services are currently offline.
The www.swift.ac.uk website and all related services will be offline on Tuesday 27th January 2026, from 9:00 am UT for up to six hours. This is for routine but essential maintenance. Any running processing will be terminated at this point; to balance minimising the service interruption with the risk of killing jobs, user-requested job submission was disabled at 00:00 UT on the 27th.