Step 1 – Access the data

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Step 1 – Access the data

To complete your casefile and profile mysterious exoplanets you need to select your target and access the Cheops satellite data. If this is the first exoplanet you analyse we suggest you start with KELT-3b. Astronomers use specific software tools to analyse the data and fit mathematical models. Access the data using one of the two options below. If you do not have access to a computer with internet, we recommend option 2.

Option 1: Online Allesfitter Tool

This option requires a laptop with internet access. You can access one of the tools astronomers use to analyse exoplanets: Allesfitter. This tool is available online, you do not need to install any software on your computer. Watch the video tutorial or download the step-by-step Allesfitter guide to learn how to use the tool and access the Cheops data.

Play Video

Subtitles are available (automatically generated by YouTube) – select your language using the YouTube player controls.

For step-by-step instructions on how to use allesfitter, follow this useful guide.
Download Allesfitter guide
If you experience slow loading times, we recommend you continue with Option 2
Open Allesfitter

Option 2: Download the data sheet

Download (and print) a document with the  exoplanet transit light curve and best model fit already calculated and let the students analyse the data. This option is recommended when students do not have access to a computer with internet. 

Download KELT-3b data
Download TOI-560c data

Data sheet of K2-141B & C coming soon.

Step 1 Complete!

Your Investigation Progress

20%

Have you analysed the Cheops data and found a best fit model for the light curve? If yes, you can continue to Step 2 of your investigation into the exoplanet’s properties, starting with size!

Continue the investigation

Continue with Step 2 – The Size of the Exoplanet

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