The Anomalous Acceleration of PSR J2043+1711: Long-period Orbital Companion or Stellar Flyby?

Based on the rate of change of its orbital period, PSR J2043+1711 has a substantial peculiar acceleration of 3.5 ± 0.8 mm s ^–1 yr ^–1 , which deviates from the acceleration predicted by equilibrium Milky Way (MW) models at a 4 σ level. The magnitude of the peculiar acceleration is too large to be e...

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Principais autores:	Thomas Donlon II, Sukanya Chakrabarti, Michael T. Lam, Daniel Huber, Daniel Hey, Enrico Ramirez-Ruiz, Benjamin Shappee, David L. Kaplan, Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald, Zaven Arzoumanian, Paul T. Baker, Paul R. Brook, H. Thankful Cromartie, Kathryn Crowter, Megan E. DeCesar, Paul B. Demorest, Timothy Dolch, Elizabeth C. Ferrara, William Fiore, Emmanuel Fonseca, Gabriel E. Freedman, Nate Garver-Daniels, Peter A. Gentile, Joseph Glaser, Deborah C. Good, Jeffrey S. Hazboun, Mark Huber, Ross J. Jennings, Megan L. Jones, Matthew Kerr, Duncan R. Lorimer, Jing Luo, Ryan S. Lynch, Alexander McEwen, Maura A. McLaughlin, Natasha McMann, Bradley W. Meyers, Cherry Ng, David J. Nice, Timothy T. Pennucci, Benetge B. P. Perera, Nihan S. Pol, Henri A. Radovan, Scott M. Ransom, Paul S. Ray, Ann Schmiedekamp, Carl Schmiedekamp, Brent J. Shapiro-Albert, Ingrid H. Stairs, Kevin Stovall, Abhimanyu Susobhanan, Joseph K. Swiggum, Michael A. Tucker, Haley M. Wahl
格式:	Artigo
語言:	Inglês
出版:	IOP Publishing 2025-01-01
叢編:	The Astrophysical Journal
主題:	Millisecond pulsars Binary pulsars
在線閱讀:	https://doi.org/10.3847/1538-4357/adbf90
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