If you found on a file-sharing site, forum, or via an unsolicited link:
: If this is a legitimate scientific file, it likely contains Full Frame Images (FFIs), light curve files, or Target Pixel Files used for exoplanet research. dr117.part2.rar
: As a "Part 2" file, it cannot be opened without Part 1 (and any subsequent parts). All parts must be in the same folder to extract the contents. If you found on a file-sharing site, forum,
This will help provide a more specific review of the content. light curve files