activity
20232026
most citedSO2, silicate clouds, but no CH4 detected in a warm Neptune

128 citations · 545 across the 54 of their papers we have counts for

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12 papers · 1 filter

astro-ph.EP2023★ 18 cited

A Near-infrared Variability Survey of Young Planetary-mass Objects

Pengyu Liu, Beth A. Biller, Johanna M. Vos +12

We present a photometric variability survey of young planetary-mass objects using the New Technology Telescope in the Js and Ks bands. Surface gravity plays an important role in th…

astro-ph.EP2023★ 43 cited

15NH3 in the atmosphere of a cool brown dwarf

David Barrado, Paul Mollière, Polychronis Patapis +40

Brown dwarfs serve as ideal laboratories for studying the atmospheres of giant exoplanets on wide orbits as the governing physical and chemical processes in them are nearly identic…

astro-ph.GA2023★ 1 cited

MIDIS: The Relation between Strong (Hb+[OIII]) Emission, Star Formation and Burstiness Around the Epoch of Reionization

Karina I. Caputi, Pierluigi Rinaldi, Edoardo Iani +25

We investigate the properties of strong (Hb+[OIII]) emitters before and after the end of the Epoch of Reionization from z=8 to z=5.5. We make use of ultra-deep JWST/NIRCam imaging…

astro-ph.EP2023★ 128 cited

SO2, silicate clouds, but no CH4 detected in a warm Neptune

Achrene Dyrek, Michiel Min, Leen Decin +44

WASP-107b is a warm (~740 K) transiting planet with a Neptune-like mass of ~30.5 Earth masses and Jupiter-like radius of ~0.94 Jupiter radius, whose extended atmosphere is eroding.…

astro-ph.EP2023★ 31 cited

Imaging detection of the inner dust belt and the four exoplanets in the HR8799 system with JWST's MIRI coronagraph

Boccaletti A., Mâlin M., Baudoz P. +35

The multi planet system HR8799 is the first target observed with MIRI's coronagraphs as part of the MIRI-EC Guaranteed Time Observations exoplanets programme in Nov. 2022. We obtai…

astro-ph.SR2023★ 1 cited

XUE. Molecular inventory in the inner region of an extremely irradiated Protoplanetary Disk

María Claudia Ramirez-Tannus, Arjan Bik, Lars Cuijpers +24

We present the first results of the eXtreme UV Environments (XUE) James Webb Space Telescope (JWST) program, that focuses on the characterization of planet forming disks in massive…

astro-ph.EP2023★ 7 cited

Prebiotic Vitamin B Synthesis in Carbonaceous Planetesimals

Klaus Paschek, Mijin Lee, Dmitry A. Semenov +1

Aqueous chemistry within carbonaceous planetesimals is promising for synthesizing prebiotic organic matter essential to all life. Meteorites derived from these planetesimals delive…

astro-ph.EP2023★ 1 cited

The PEPSI Exoplanet Transit Survey (PETS) IV: Assessing the atmospheric chemistry of KELT-20b

Sydney Petz, Marshall C. Johnson, Anusha Pai Asnodkar +11

Most ultra hot Jupiters (UHJs) show evidence of temperature inversions, in which temperature increases with altitude over a range of pressures. Temperature inversions can occur whe…

astro-ph.EP2023

The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems III: Aperture Masking Interferometric Observations of the star HIP 65426 at 3.8 um

Shrishmoy Ray, Steph Sallum, Sasha Hinkley +121

We present aperture masking interferometry (AMI) observations of the star HIP 65426 at as a part of the JWST Direct Imaging Early Release Science (ERS) program obtai…

astro-ph.GA2023★ 1 cited

MIDIS: JWST NIRCam and MIRI unveil the stellar population properties of Ly-emitters and Lyman-Break galaxies at z ~ 3-7

Edoardo Iani, Karina I. Caputi, Pierluigi Rinaldi +29

We study the stellar population properties of 182 spectroscopically-confirmed (MUSE/VLT) Lyman- emitters (LAEs) and 450 photometrically-selected Lyman-Break galaxies (LBGs) at z…

astro-ph.SR2023

Full L- and M-band high resolution spectroscopy of the S CrA binary disks with VLT-CRIRES+

Sierra L. Grant, Giulio Bettoni, Andrea Banzatti +7

The Cryogenic IR echelle Spectrometer (CRIRES) instrument at the Very Large Telescope (VLT) was in operation from 2006 to 2014. Great strides in characterizing the inner regions of…

astro-ph.GA2023★ 56 cited

The diverse chemistry of protoplanetary disks as revealed by JWST

Ewine F. van Dishoeck, S. Grant, B. Tabone +14

Early results from the JWST-MIRI guaranteed time programs on protostars (JOYS) and disks (MINDS) are presented. Thanks to the increased sensitivity, spectral and spatial resolution…