TOI-4201: An Early M-dwarf Hosting a Massive Transiting Jupiter Stretching Theories of Core-Accretion
Abstrak
We confirm TOI-4201 b as a transiting Jovian mass planet orbiting an early M dwarf discovered by the Transiting Exoplanet Survey Satellite. Using ground based photometry and precise radial velocities from NEID and the Planet Finder Spectrograph, we measure a planet mass of 2.59$^{+0.07}_{-0.06}$ M$_{J}$, making this one of the most massive planets transiting an M-dwarf. The planet is $\sim$0.4\% the mass of its 0.63 M$_{\odot}$ host and may have a heavy element mass comparable to the total dust mass contained in a typical Class II disk. TOI-4201 b stretches our understanding of core-accretion during the protoplanetary phase, and the disk mass budget, necessitating giant planet formation to either take place much earlier in the disk lifetime, or perhaps through alternative mechanisms like gravitational instability.
Topik & Kata Kunci
Penulis (27)
Megan Delamer
Shubham Kanodia
Caleb I. Cañas
Simon Müller
Ravit Helled
Andrea S. J. Lin
Jessica E. Libby-Roberts
Arvind F. Gupta
Suvrath Mahadevan
Johanna Teske
R. Paul Butler
Samuel W. Yee
Jeffrey D. Crane
Stephen Shectman
David Osip
Yuri Beletsky
Andrew Monson
Jaime A. Alvarado-Montes
Chad F. Bender
Jiayin Dong
Te Han
Joe P. Ninan
Paul Robertson
Arpita Roy
Christian Schwab
Guðmundur Stefánsson
Jason T. Wright
Akses Cepat
- Tahun Terbit
- 2023
- Bahasa
- en
- Sumber Database
- arXiv
- Akses
- Open Access ✓