Results 61 to 70 of about 908,915 (272)

A Massive Hot Jupiter Orbiting a Metal-rich Early M Star Discovered in the TESS Full-frame Images

open access: yesThe Astronomical Journal, 2023
Observations and statistical studies have shown that giant planets are rare around M dwarfs compared with Sun-like stars. The formation mechanism of these extreme systems has remained under debate for decades. With the help of the TESS mission and ground-
Tianjun Gan   +43 more
doaj   +1 more source

A short-period censor of sub-Jupiter mass exoplanets with low density [PDF]

open access: yes, 2010
Despite the existence of many short-period hot Jupiters, there is not one hot Neptune with an orbital period less than 2.5 days. Here we discuss a cluster analysis of the currently known 106 transiting exoplanets to investigate a possible explanation for
Adams   +14 more
core   +2 more sources

Molecular cross-sections for high-resolution spectroscopy of super-Earths, warm Neptunes, and hot Jupiters [PDF]

open access: yesMonthly notices of the Royal Astronomical Society, 2020
High-resolution spectroscopy (HRS) has been used to detect a number of species in the atmospheres of hot Jupiters. Key to such detections is accurately and precisely modelled spectra for cross-correlation against the R ≳ 20 000 observations. There is a
S. Gandhi   +11 more
semanticscholar   +1 more source

Storms, Variability, and Multiple Equilibria on Hot Jupiters [PDF]

open access: yesAstrophysical Journal Letters, 2021
Observations of hot-Jupiter atmospheres show large variations in the location of the “hot spot” and the amplitude of spectral features. Atmospheric flow simulations using the commonly employed forcing and initialization have generally produced a large ...
J. Cho, J. W. Skinner, H. Thrastarson
semanticscholar   +1 more source

The Intrinsic Temperature and Radiative–Convective Boundary Depth in the Atmospheres of Hot Jupiters [PDF]

open access: yesAstrophysical Journal, 2019
In giant planet atmosphere modeling, the intrinsic temperature Tint and radiative–convective boundary (RCB) are important lower boundary conditions. Often in one-dimensional radiative–convective models and in three-dimensional general circulation models ...
D. Thorngren, P. Gao, J. Fortney
semanticscholar   +1 more source

Transiting Exoplanet Monitoring Project (TEMP). VI. The Homogeneous Refinement of System Parameters for 39 Transiting Hot Jupiters with 127 New Light Curves [PDF]

open access: yesAstrophysical Journal Supplement Series, 2021
We present 127 new transit light curves for 39 hot Jupiter systems, obtained over the span of 5 yr by two ground-based telescopes. A homogeneous analysis of these newly collected light curves together with archived spectroscopic, photometric, and Doppler
Xian-Yu Wang   +13 more
semanticscholar   +1 more source

Thermal tides on a hot Jupiter [PDF]

open access: yesEPJ Web of Conferences, 2011
Following the linear analysis laid out by Gu & Ogilvie 2009 (hereafter GO09), we investigate the dynamical response of a non-synchronized hot Jupiter to stellar irradiation. Besides the internal and Rossby waves considered by GO09, we study the Kelvin waves excited by the diurnal Fourier harmonic of the prograde stellar irradiation. We also present a 2-
P.-G. Gu, H.-F. Hsieh
openaire   +3 more sources

A transition between the hot and the ultra-hot Jupiter atmospheres [PDF]

open access: yesAstronomy & Astrophysics, 2020
A key hypothesis in the field of exoplanet atmospheres is the trend of atmospheric thermal structure with planetary equilibrium temperature. We explore this trend and report here the first statistical detection of a transition in the near-infrared atmospheric emission between hot and ultra-hot Jupiters.
Claire Baxter   +8 more
openaire   +6 more sources

Searching For Transiting Planets Around Halo Stars. ii. Constraining the Occurrence Rate of Hot Jupiters [PDF]

open access: yesAstronomical Journal, 2021
Jovian planet formation has been shown to be strongly correlated with host-star metallicity, which is thought to be a proxy for disk solids. Observationally, previous works have indicated that Jovian planets preferentially form around stars with solar ...
Kiersten M. Boley   +6 more
semanticscholar   +1 more source

Absence of a metallicity effect for ultra-short-period planets [PDF]

open access: yes, 2017
Ultra-short-period (USP) planets are a newly recognized class of planets with periods shorter than one day and radii smaller than about 2 Earth radii.
Cargile, Phillip   +9 more
core   +3 more sources

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