The young HD 73583 (TOI-560) planetary system: two 10-M mini-Neptunes transiting a 500-Myr-old, bright, and active K dwarf

O Barragán, DJ Armstrong, D Gandolfi… - Monthly Notices of …, 2022 - academic.oup.com
We present the discovery and characterization of two transiting planets observed by TESS in
the light curves of the young and bright (V= 9.67) star HD73583 (TOI-560). We perform an …

No such thing as a simple flare: substructure and quasi-periodic pulsations observed in a statistical sample of 20 s cadence TESS flares

WS Howard, MA MacGregor - The Astrophysical Journal, 2022 - iopscience.iop.org
A 20 s cadence Transiting Exoplanet Survey Satellite monitoring campaign of 226 low-mass
flare stars during Cycle 3 recorded 3792 stellar flares of≥ 10 32 erg. We explore the time …

HD 23472: a multi-planetary system with three super-Earths and two potential super-Mercuries

SCC Barros, ODS Demangeon, Y Alibert… - Astronomy & …, 2022 - aanda.org
Context. Comparing the properties of planets orbiting the same host star, and thus formed
from the same accretion disc, helps in constraining theories of exoplanet formation and …

The TESS-Keck Survey. XVI. Mass Measurements for 12 Planets in Eight Systems

JMA Murphy, NM Batalha, N Scarsdale… - The Astronomical …, 2023 - iopscience.iop.org
With JWST's successful deployment and unexpectedly high fuel reserves, measuring the
masses of sub-Neptunes transiting bright, nearby stars will soon become the bottleneck for …

The TESS-Keck Survey:* Science Goals and Target Selection

A Chontos, JMA Murphy, MG MacDougall… - The Astronomical …, 2022 - iopscience.iop.org
The Kepler and TESS missions have demonstrated that planets are ubiquitous. However,
the success of these missions heavily depends on ground-based radial velocity (RV) …

TOI-836: A super-Earth and mini-Neptune transiting a nearby K-dwarf

F Hawthorn, D Bayliss, TG Wilson… - Monthly Notices of …, 2023 - academic.oup.com
We present the discovery of two exoplanets transiting TOI-836 (TIC 440887364) using data
from TESS Sector 11 and Sector 38. TOI-836 is a bright (T= 8.5 mag), high proper motion (∼ …

Validation of 13 hot and potentially terrestrial tess planets

S Giacalone, CD Dressing, C Hedges… - The Astronomical …, 2022 - iopscience.iop.org
Abstract The James Webb Space Telescope will be able to probe the atmospheres and
surface properties of hot, terrestrial planets via emission spectroscopy. We identify 18 …

When, where, and how many planets end up in first-order resonances?

S Huang, CW Ormel - Monthly Notices of the Royal Astronomical …, 2023 - academic.oup.com
The theory of Type I migration has been widely used in many studies. Transiting multiplanet
systems offer us the opportunity to examine the consistency between observation and …

Importance of Sample Selection in Exoplanet-atmosphere Population Studies

NE Batalha, A Wolfgang, J Teske… - The Astronomical …, 2022 - iopscience.iop.org
Understanding planet formation requires robust population studies, which are designed to
reveal trends in planet properties. In this work we aim to determine if and how different …

The TESS-Keck Survey. XV. Precise Properties of 108 TESS Planets and Their Host Stars

MG MacDougall, EA Petigura, GJ Gilbert… - The Astronomical …, 2023 - iopscience.iop.org
We present the stellar and planetary properties for 85 TESS Objects of Interest (TOIs)
hosting 108 planet candidates that compose the TESS-Keck Survey (TKS) sample. We …