The Parkes Pulsar Timing Array (PPTA) Data Release 1

This collection contains data from the Parkes Pulsar Timing Array (PPTA) project. This project makes use of observations of radio pulsars from the CSIRO Parkes radio telescope. The project has three main goals: 1) detecting gravitational waves, 2) developing a pulsar-based time standard and 3) searching for unknown objects in our solar system. The data provided here is the first data release from the PPTA project. It contains pulse arrival times and timing models for 20 millisecond pulsars.