SKA data challenge 1

This contains the data associated with the Square Kilometer Array (SKA) science data challenge 1. This data is also available via the SKA website: https://astronomers.skatelescope.org/ska-science-data-challenge-1/ There is a non-peer reviewed paper outlining the data challenge and describing the data on the arxiv website: https://arxiv.org/abs/1811.10454 There is a peer reviewed paper summarising the results of all the teams that participated in the challenge on the arxiv website: https://arxiv.org/abs/2009.13346 This data set consists of: Simulated 1000 hour images at 560 MHz (B1), 1400 MHz (B2), and 9200 MHz (B5): SKAMid_*.fits Primary beam images: PrimaryBeam_*.fits Synthesized beam images: SynthesBeam_*.fits Training catalogues per frequency revealing source parameters for a small area of sky: TrainingSet_*.txt Truth catalogues for the whole sky: True_*.txt This Zenodo entry was created by Alex Clarke.