Published work using data from the Keck Interferometer should include the following acknowledgement:
The Keck Interferometer is funded by the National Aeronautics and Space Administration as part of its Navigator program.
If NASA Exoplanet Science Institute software or services were helpful in your research, the following acknowledgement would be appreciated:
"This work has made use of services produced by the NASA Exoplanet Science Institute at the California Institute of Technology."