The Second International Pulsar Timing Array Mock Data Challenge

Kavli Affiliate: Kejia Lee

| First 5 Authors: Jeffrey S. Hazboun, Chiara M. F. Mingarelli, Kejia Lee, ,

| Summary:

The International Pulsar Timing Array (IPTA) is a galactic-scale
gravitational-wave observatory that monitors an array of millisecond pulsars.
The timing precision of these pulsars is such that one can measure the
correlated changes in pulse arrival times accurately enough to search for the
signature of a stochastic gravitational-wave background. As we add more pulsars
to the array, and extend the length of our dataset, we are able to observe at
ever lower gravitational-wave frequencies. As our dataset matures we are
approaching a regime where a detection is expected, and therefore testing
current data analysis tools is crucial, as is the development of new tools and
techniques. In this spirit, here we introduce the second IPTA Mock Data
Challenge, and briefly review the first. The purpose of this challenge is to
foster the development of detection tools for pulsar timing arrays and to
cultivate interaction with the international gravitational-wave community. IPTA
mock datasets can be found at the IPTA GitHub page,
https://github.com/ipta/mdc2 .

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