Papers › PINT: Maximum-likelihood estimation of pulsar timing noise parameters
PINT: Maximum-likelihood estimation of pulsar timing noise parameters
Abhimanyu Susobhanan, David Kaplan, Anne Archibald, Jing Luo, Paul Ray, Timothy Pennucci, Scott Ransom, Gabriella Agazie, William Fiore, Bjorn Larsen, Patrick O'Neill, Rutger van Haasteren, Akash Anumarlapudi, Matteo Bachetti, Deven Bhakta, Chloe Champagne, H. Thankful Cromartie, Paul Demorest, Ross Jennings, Matthew Kerr, Sasha Levina, Alexander McEwen, Brent Shapiro-Albert, Joseph Swiggum
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PINT is a pure-Python framework for high-precision pulsar timing developed on top of widely used and well-tested Python libraries, supporting both interactive and programmatic data analysis workflows. We present a new frequentist framework within PINT to characterize the single-pulsar noise processes present in pulsar timing datasets. This framework enables the parameter estimation for both uncorrelated and correlated noise processes as well as the model comparison between different timing and noise models in a computationally inexpensive way. We demonstrate the efficacy of the new framework by applying it to simulated datasets as well as a real dataset of PSR B1855+09. We also describe the new features implemented in PINT since it was first described in the literature.
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