Document Type
Article
Publication Date
5-2023
Abstract
We present the discovery and characterization of six short-period, transiting giant planets from NASA’s Transiting Exoplanet Survey Satellite (TESS) -- TOI-1811 (TIC 376524552), TOI-2025 (TIC 394050135), TOI-2145 (TIC 88992642), TOI-2152 (TIC 395393265), TOI-2154 (TIC 428787891), and TOI-2497 (TIC 97568467). All six planets orbit bright host stars (8.9 <G < 11.8, 7.7 <K < 10.1). Using a combination of time-series photometric and spectroscopic follow-up observations from the TESS Follow-up Observing Program Working Group, we have determined that the planets are Jovian-sized (RP = 0.99--1.45 RJ), have masses ranging from 0.92 to 5.26 MJ, and orbit F, G, and K stars (4766 ≤ Teff ≤ 7360 K). We detect a significant orbital eccentricity for the three longest-period systems in our sample: TOI-2025 b (P = 8.872 d, 0.394+0.035−0.038), TOI-2145 b (P = 10.261 d, e = 0.208+0.034−0.047), and TOI-2497 b (P = 10.656 d, e = 0.195+0.043−0.040). TOI-2145 b and TOI-2497 b both orbit subgiant host stars (3.8 < log g J (TOI-2145 b) and 4.82 ± 0.41 MJ (TOI-2497 b). These six new discoveries contribute to the larger community effort to use TESS to create a magnitude-complete, self-consistent sample of giant planets with well-determined parameters for future detailed studies.
Recommended Citation
Rodriguez, Joseph E., Samuel N. Quinn, Andrew Vanderburg, George Zhou, Jason D. Eastman, Erica Thygesen, Bryson Cale et al. "Another shipment of six short-period giant planets from TESS." Monthly Notices of the Royal Astronomical Society 521, no. 2 (2023): 2765-2785. https://doi.org/10.1093/mnras/stad595
Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 International License.
Publication Title
Monthly Notices of the Royal Astronomical Society
DOI
https://doi.org/10.1093/mnras/stad595
Comments
Copyright 2022 the Authors.