SDC3a dataset

The complete SDC3a dataset consists of a visibility measurement set (MS) and imaging products derived from it, as well as ancillary data. Teams can decide whether they want to analyse the MS or the imaging products, depending on their pipelines. A document detailing the full description of the dataset can be found here.

Summarised details of the data products are as follows:


Measurement set

Image cube

Ancillary data

For participants, access to the image and visibility data products, including the full SDC3a visibility dataset, is made available through their teams' allocated HPC facility resource. 

File download

SDC3a ancillary data can be found here, together with copies of the image datasets.

The files contained in the folder above can be downloaded directly via the command line using the following command:

wget --load-cookies /tmp/cookies.txt "$(wget --quiet --save-cookies /tmp/cookies.txt --keep-session-cookies --no-check-certificate '' -O- | sed -rn 's/.*confirm=([0-9A-Za-z_]+).*/\1\n/p')&id=FILEID" -O FILENAME && rm -rf /tmp/cookies.txt

The FILEID and FILENAME of each file is contained in the wget_IDs file inside the folder.

Truth revealed!

The true EoR lightcone used for the full challenge dataset, and the corresponding power spectra can be found here.