arXiv
Open Access
2022
Orbital Stability of Proposed NY Virginis Exoplanets
Xinyu Mai
Robert L. Mutel
Abstrak
Er et al. (2021) recently proposed a two-planet solution to account for eclipse timing variations (ETVs) observed from the sdB binary NY Virginis. We tested the proposed planetary system for orbit stability using both numerical simulations and chaotic behavior analysis. The best-fit orbits, as well as those with parameters varying by the published uncertainty range in each parameter, were unstable on a timescale much less than the presumed lifetime of the PCEB phase ($\sim$100 Myr). suggesting that the proposed circumbinary companions fail to provide a complete explanation for the observed ETVs.
Topik & Kata Kunci
Penulis (2)
X
Xinyu Mai
R
Robert L. Mutel
Akses Cepat
Informasi Jurnal
- Tahun Terbit
- 2022
- Bahasa
- en
- Sumber Database
- arXiv
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- Open Access ✓