SIMBAD references

2024ApJ...962L..22D - Astrophys. J., 962, L22 (2024/February-3)

TOI-4201: An Early M Dwarf Hosting a Massive Transiting Jupiter Stretching Theories of Core Accretion.

DELAMER M., KANODIA S., CANAS C.I., MULLER S., HELLED R., LIN A.S.J., LIBBY-ROBERTS J.E., GUPTA A.F., MAHADEVAN S., TESKE J., BUTLER R.P., YEE S.W., CRANE J.D., SHECTMAN S., OSIP D., BELETSKY Y., MONSON A., HEBB L., POWERS L.C., WISNIEWSKI J.P., ALVARADO-MONTES J.A., BENDER C.F., DONG J., HAN T., NINAN J.P., ROBERTSON P., ROY A., SCHWAB C., STEFANSSON G. and WRIGHT J.T.

Abstract (from CDS):

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 ${2.59}_{-0.06}^{+0.07}$MJ, making this one of the most massive planets transiting an M dwarf. The planet is ∼0.4% of the mass of its 0.63 M⊙ 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 take place either much earlier in the disk lifetime or perhaps through alternative mechanisms like gravitational instability.

Abstract Copyright: © 2024. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Exoplanet detection methods - Exoplanet astronomy - Exoplanet formation - Exoplanets - Radial velocity - Transit photometry - Extrasolar gaseous giant planets

Status at CDS : Large table(s) will be appraised for possible ingestion in VizieR.

Simbad objects: 8

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