The NANOGrav 11-year Data Set: High-precision Timing of 45 Millisecond Pulsars

@article{Arzoumanian2018TheN1,
  title={The NANOGrav 11-year Data Set: High-precision Timing of 45 Millisecond Pulsars},
  author={Zaven Arzoumanian and Adam Brazier and Sarah Burke-Spolaor and Sydney JoAnne Chamberlin and Shami Chatterjee and Brian John Christy and James M. Cordes and Neil J. Cornish and Fronefield Crawford and H. Thankful Cromartie and Kathryn Crowter and Megan E. DeCesar and Paul B. Demorest and Timothy Dolch and J. A. Ellis and Robert D. Ferdman and Elizabeth C. Ferrara and Emmanuel Fonseca and Nathan Garver-Daniels and Peter A. Gentile and Daniel Halmrast and Eliu A. Huerta and Fredrick A. Jenet and Cody Jessup and Glenn Jones and Megan L. Jones and David L. Kaplan and Michael T. Lam and T. J. W. Lazio and Lina Levin and A. N. Lommen and Duncan R. Lorimer and Jing Luo and Ryan S. Lynch and Dustin R. Madison and A. M. Matthews and Maura Mclaughlin and S. T. McWilliams and Chiara M. F. Mingarelli and Cherry Ng and David J. Nice and Timothy T. Pennucci and Scott M. Ransom and Paul S. Ray and Xavier Siemens and Joseph Simon and Ren{\'e}e Spiewak and Ingrid H. Stairs and Daniel R. Stinebring and Kevin Stovall and Joseph K. Swiggum and Stephen R. Taylor and Michele Vallisneri and Rutger van Haasteren and Sarah J. Vigeland and Weiwei Zhu},
  journal={Astrophysical Journal Supplement Series},
  year={2018},
  volume={235},
  pages={37}
}
We present high-precision timing data over time spans of up to 11 years for 45 millisecond pulsars observed as part of the North American Nanohertz Observatory for Gravitational Waves (NANOGrav) project, aimed at detecting and characterizing low-frequency gravitational waves. The pulsars were observed with the Arecibo Observatory and/or the Green Bank Telescope at frequencies ranging from 327 MHz to 2.3 GHz. Most pulsars were observed with approximately monthly cadence, and six high-timing… 
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