SIMBAD references

2025A&A...694A.268T - Astronomy and Astrophysics, volume 694A268 (2025/2-1)

Three warm Jupiters orbiting TOI-6628, TOI-3837, and TOI-5027 and one sub-Saturn orbiting TOI-2328.

TALA PINTO M., JORDAN A., ACUNA L., JONES M., BRAHM R., REINARZ Y., EBERHARDT J., ESPINOZA N., HENNING T., HOBSON M., ROJAS F., SCHLECKER M., TRIFONOV T., BAKOS G., BOYLE G., CSUBRY Z., HARTMANN J., KNEPPER B., KREIDBERG L., SUC V., TESKE J., BUTLER R.P., CRANE J., SCHECTMAN S., THOMPSON I., OSIP D., RICKER G., COLLINS K.A., WATKINS C.N., BIERYLA A., STOCKDALE C., WANG G., ZAMBELLI R., SEAGER S., WINN J., ROSE M.E., RICE M. and ESSACK Z.

Abstract (from CDS):

We report the discovery and characterization of three new transiting giant planets orbiting TOI-6628, TOI-3837, and TOI-5027 and one new warm sub-Saturn orbiting TOI-2328, whose transits events were detected in the light curves of the Transiting Exoplanet Survey Satellite (TESS) space mission. By combining TESS light curves with ground-based photometric and spectroscopic followup observations, we confirm the planetary nature of the observed transits and radial velocity variations. TOI-6628 b has a mass of 0.74±0.06 MJ and a radius of 0.98–0.05+0.06RJ and orbits a metal-rich star with a period of 18.18424 ± 0.00001 days and an eccentricity of 0.670–0.016+0.015, making it one of the most eccentric orbits of all known warm giants. TOI-3837 b has a mass of 0.59±0.05 MJ and a radius of 0.97–0.06+0.05RJ and orbits its host star every 11.88865 ± 0.00003 days, with a moderate eccentricity of 0.221–0.046+0.042. With a mass of 2.02±0.13 MJ and a radius of 0.96–0.06+0.05RJ, TOI-5027 b orbits its host star in an eccentric orbit with e = 0.385–0.026+0.025 every 10.24368±0.00001 days. TOI-2328 b is a Saturn-like planet with a mass of 0.16±0.02 MJ and a radius of 0.89–0.05+0.04RJ; it orbits its host star in a nearly circular orbit with e = 0.057–0.029+0.046 at a period of 17.10197±0.00001 days. All four planets have orbital periods above ten days, and our planet's interior structure models are consistent with a rocky-icy core with an H/He envelope, providing evidence supporting the core-accretion model of planet formation for this kind of planet.

Abstract Copyright: © The Authors 2025

Journal keyword(s): techniques: radial velocities - planets and satellites: detection - planets and satellites: gaseous planets - planets and satellites: interiors

VizieR on-line data: <Available at CDS (J/A+A/694/A268): stars.dat toi6628.dat toi3837.dat toi5027.dat toi2328.dat>

Simbad objects: 8

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