40.2k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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21 papers · 2 filters
On averaging eccentric orbits: Implications for the long-term thermal evolution of comets
Anastasios Gkotsinas, Aurélie Guilbert-Lepoutre, Sean N. Raymond
One of the common approximations in long-term evolution studies of small bodies is the use of circular orbits averaging the actual eccentric ones, facilitating the coupling of proc…
The gateway from Centaurs to Jupiter-family Comets: thermal and dynamical evolution
Aurélie Guilbert-Lepoutre, Anastasios Gkotsinas, Sean N. Raymond +1
It was recently proposed that there exists a "gateway" in the orbital parameter space through which Centaurs transition to Jupiter-family Comets (JFCs). Further studies have implie…
Dynamics of the Great Oxidation Event from a 3D photochemical-climate model
Adam Yassin Jaziri, Benjamin Charnay, Franck Selsis +2
From the Archean toward the Proterozoic, the Earth's atmosphere underwent a major shift from anoxic to oxic conditions, around 2.4 to 2.1 Gyr, known as the Great Oxidation Event (G…
Simultaneous gas accretion onto a pair of giant planets: Impact on their final mass and on the protoplanetary disk structure
Camille Bergez-Casalou, Bertram Bitsch, Sean N. Raymond
Several planetary systems are known to host multiple giant planets. However, when two giant planets are accreting from the same disk, it is unclear what effect the presence of the…
Early Release Science of the exoplanet WASP-39b with JWST NIRCam
Eva-Maria Ahrer, Kevin B. Stevenson, Megan Mansfield +96
Measuring the metallicity and carbon-to-oxygen (C/O) ratio in exoplanet atmospheres is a fundamental step towards constraining the dominant chemical processes at work and, if in eq…
Early Release Science of the Exoplanet WASP-39b with JWST NIRSpec G395H
Lili Alderson, Hannah R. Wakeford, Munazza K. Alam +89
Measuring the abundances of carbon and oxygen in exoplanet atmospheres is considered a crucial avenue for unlocking the formation and evolution of exoplanetary systems. Access to a…
Early Release Science of the exoplanet WASP-39b with JWST NIRSpec PRISM
Z. Rustamkulov, D. K. Sing, S. Mukherjee +91
Transmission spectroscopy of exoplanets has revealed signatures of water vapor, aerosols, and alkali metals in a few dozen exoplanet atmospheres. However, these previous inferences…
Three-dimensional evolution of radiative circumbinary discs: the size and shape of the inner cavity
Arnaud Pierens, Richard Nelson
The evolution of circumbinary discs and planets is often studied using two-dimensional (2D) numerical simulations, although recent work suggests that 3D effects may significantly a…
Photochemically-produced SO in the atmosphere of WASP-39b
Shang-Min Tsai, Elspeth K. H. Lee, Diana Powell +82
Photochemistry is a fundamental process of planetary atmospheres that regulates the atmospheric composition and stability. However, no unambiguous photochemical products have been…
Searching for H-emitting sources in the gaps of five transitional disks. SPHERE/ZIMPOL high-contrast imaging
N. Huélamo, G. Chauvin, I. Mendigutía +13
(Pre-)transitional disks show gaps and cavities that can be related with on-going planet formation. According to theory, young embedded planets can accrete material from the circum…
On the evolution of pebble-accreting planets in evolving protoplanetary discs
Arnaud Pierens
We examine the migration of luminous low-mass cores in laminar protoplanetary discs where accretion occurs mainly because of disc winds and where the planet luminosity is generated…
Detecting HO with CRIRES+: the case of WASP-20b
M. C. Maimone, M. Brogi, A. Chiavassa +5
Infrared spectroscopy over a wide spectral range and at the highest resolving powers (R>70 000) has proved to be one of the leading technique to unveil the atmospheric composition…
ExoClock Project III: 450 new exoplanet ephemerides from ground and space observations
A. Kokori, A. Tsiaras, B. Edwards +214
The ExoClock project has been created with the aim of increasing the efficiency of the Ariel mission. It will achieve this by continuously monitoring and updating the ephemerides o…
A photochemical model of Triton's atmosphere with an uncertainty propagation study
B. Benne, M. Dobrijevic, T. Cavalié +2
Triton is the largest satellite of Neptune and probably a Kuiper Belt Object that was captured by the planet. It has a tenuous nitrogen atmosphere similar to the one of Pluto and m…
Identification of carbon dioxide in an exoplanet atmosphere
The JWST Transiting Exoplanet Community Early Release Science Team, Eva-Maria Ahrer, Lili Alderson +129
Carbon dioxide (CO2) is a key chemical species that is found in a wide range of planetary atmospheres. In the context of exoplanets, CO2 is an indicator of the metal enrichment (i.…
Toward a multidimensional analysis of transmission spectroscopy. Part III: Modelling 2D effects in retrievals with TauREx
Tiziano Zingales, Aurélien Falco, William Pluriel +1
New-generation spectrographs dedicated to the study of exoplanetary atmospheres require a high accuracy in the atmospheric models to better interpret the input spectra. Thanks to s…
Mathematical encoding within multi-resonant planetary systems as SETI beacons
Matthew S. Clement, Sean N. Raymond, Dimitri Veras +1
How might an advanced alien civilization manipulate the orbits within a planetary system to create a durable signpost that communicates its existence? While it is still debated whe…
Early Solar System instability triggered by dispersal of the gaseous disk
Beibei Liu, Sean N. Raymond, Seth A. Jacobson
The Solar System's orbital structure is thought to have been sculpted by an episode of dynamical instability among the giant planets. However, the instability trigger and timing ha…
Radial distribution of the carbonaceous nano-grains in the protoplanetary disk around HD 169142
Marie Devinat, Émilie Habart, Éric Pantin +4
HD 169142 is part of the class of (pre-)transitional protoplanetary disks showing multiple carbon nanodust spectroscopic signatures (aromatic, aliphatic) dominating the infrared sp…
Thermal processing of Jupiter Family Comets during their chaotic orbital evolution
Anastasios Gkotsinas, Aurélie Guilbert-Lepoutre, Sean N. Raymond +1
Evidence for cometary activity beyond Jupiter and Saturn's orbits -- such as that observed for Centaurs and long period comets -- suggests that the thermal processing of comet nucl…
Constraints on the structure and seasonal variations of Triton's atmosphere from the 5 October 2017 stellar occultation and previous observations
J. Marques Oliveira, B. Sicardy, A. R. Gomes-Júnior +234
A stellar occultation by Neptune's main satellite, Triton, was observed on 5 October 2017 from Europe, North Africa, and the USA. We derived 90 light curves from this event, 42 of…