The Earth Transit Zone is a special region of the sky from which an extraterrestrial observer would be able to detect Earth by seeing it transit in front of the Sun. Breakthrough Listen searched 20 stars in this region for radio signals - so far, nothing, but this is only the beginning of searches in this new region of the sky.
The paper is available by clicking the link below:
The data used for this analysis are available as part of the Breakthrough Listen Public Data Release 2. To help with the search for these files, you can get right at the data sets for the four observation sessions by clicking on the four Green Bank session IDs below:
AGBT17A_999_89 (June 30, 2017)
Download the background art seen here (Credit: Breakthrough Listen / Danielle Futselaar) available as high resolution tif or medium resolution jpg.
AGBT17A_999_90 (July 1, 2017)
AGBT17A_999_92 (July 6, 2017)
AGBT17B_999_50 (November 3, 2017)