Detailed information on the identification and characterization of these objects is available at Jiménez-Esteban et al. 2018.
The SVO archive of double and multiple star systems has been developed in the framework of the Spanish Virtual Observatory project supported by the Spanish MINECO through grant AYA 2014-55216. The system is maintained by the Data Archive Unit of the CAB (CSIC -INTA).
If you use this service in your research, please cite Jiménez-Esteban et al. 2018 and include the following acknowledgment in any resulting publications: "Based on data from the SVO archive of double and multiple star systems from Gaia-DR2 at CAB (INTA-CSIC)".