The Orbit of WASP-4 b is in Decay

@misc{gillon2025orbitwasp4decay,
      title={The Orbit of WASP-4 b is in Decay},
      author={M. Gillon and E. Jehin and M. Dominik and M. Timmermans and J. Hitchcock and G. D'Ago and U. G. Jørgensen and M. J. Burgdorf and M. Bonavita and K. Barkaoui and R. Figuera Jaimes and C. Snodgrass and P. Longa-Peña and J. Southworth and S. Rahvar and A. Barker and S. Yalçınkaya and Ö. Baştürk and M. Bretton and A. Wünsche and J. Tregloan-Reed and A. C. Kutluay and T. C. Hinse and S. Sajadian and S. O. Selam and B. Duru and P. Spyrato},
      year={2025},
      eprint={2506.15022},
      archivePrefix={arXiv},
      primaryClass={astro-ph.EP},
      url={https://arxiv.org/abs/2506.15022},
}