Published work using data from the Palomar Testbed Interferometer should include the following acknowledgement:
The Palomar Testbed Interferometer is operated by the NASA Exoplanet Science Institute on and the PTI collaboration and was constructed with funds from the Jet Propoulsion Laboratory, Caltech as provided by the National Aeronautics and Space Administration.
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."
Further, we are always interested in how our services are utilized and in scientific research utilizing PTI data and would appreciate receiving references to published works at the help desk page.