SIMBAD references

2023AJ....166...90L - Astron. J., 166, 90 (2023/September-0)

The Unusual M-dwarf Warm Jupiter TOI-1899 b: Refinement of Orbital and Planetary Parameters.

LIN A.S.J., LIBBY-ROBERTS J.E., ALVARADO-MONTES J.A., CANAS C.I., KANODIA S., HAN T., HEBB L., JENSEN E.L.N., MAHADEVAN S., POWERS L.C., SWABY T.N., WISNIEWSKI J., BEARD C., BENDER C.F., BLAKE C.H., COCHRAN W.D., DIDDAMS S.A., FRAZIER R.C., FREDRICK C., GULLY-SANTIAGO M., HALVERSON S., LOGSDON S.E., McELWAIN M.W., MORLEY C., NINAN J.P., RAJAGOPAL J., RAMSEY L.W., ROBERTSON P., ROY A., SCHWAB C., STEFANSSON G., STEVENS D.J., TERRIEN R.C. and WRIGHT J.T.

Abstract (from CDS):

TOI-1899 b is a rare exoplanet, a temperate warm Jupiter orbiting an M dwarf, first discovered by Cañas et al. (2020) from a TESS single-transit event. Using new radial velocities (RVs) from the precision RV spectrographs HPF and NEID, along with additional TESS photometry and ground-based transit follow-up, we are able to derive a much more precise orbital period of $P={29.090312}_{-0.000035}^{+0.000036}$ days, along with a radius of Rp = 0.99 ± 0.03 RJ. We have also improved the constraints on planet mass, Mp = 0.67 ± 0.04 MJ, and eccentricity, which is consistent with a circular orbit at 2σ ($e={0.044}_{-0.027}^{+0.029}$). TOI-1899 b occupies a unique region of parameter space as the coolest known (Teq ≈ 380 K) Jovian-sized transiting planet around an M dwarf; we show that it has great potential to provide clues regarding the formation and migration mechanisms of these rare gas giants through transmission spectroscopy with JWST, as well as studies of tidal evolution.

Abstract Copyright: © 2023. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Radial velocity - Transit photometry - Extrasolar gaseous planets

VizieR on-line data: <Available at CDS (J/AJ/166/90): table1.dat fig2a.dat fig2d.dat fig2p.dat fig2t14.dat fig2t15.dat fig2t41.dat fig2t54.dat fig2t55.dat fig10.dat>

Simbad objects: 9

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