petitRADTRANS-A Python radiative transfer package for exoplanet characterization and retrieval

P Mollière, JP Wardenier, R Van Boekel… - Astronomy & …, 2019 - aanda.org
We present the easy-to-use, publicly available, Python package petitRADTRANS, built for
the spectral characterization of exoplanet atmospheres. The code is fast, accurate, and …

Detection and bulk properties of the HR 8799 planets with high-resolution spectroscopy

JJ Wang, JB Ruffio, E Morris, JR Delorme… - The Astronomical …, 2021 - iopscience.iop.org
Abstract Using the Keck Planet Imager and Characterizer, we obtained high-resolution (R∼
35,000) K-band spectra of the four planets orbiting HR 8799. We clearly detected H 2 O and …

Decomposing the iron cross-correlation signal of the ultra-hot Jupiter WASP-76b in transmission using 3D Monte Carlo radiative transfer

JP Wardenier, V Parmentier, EKH Lee… - Monthly Notices of …, 2021 - academic.oup.com
Ultra-hot Jupiters are tidally locked gas giants with dayside temperatures high enough to
dissociate hydrogen and other molecules. Their atmospheres are vastly non-uniform in …

[HTML][HTML] Are These Planets or Brown Dwarfs? Broadly Solar Compositions from High-resolution Atmospheric Retrievals of∼ 10–30 M Jup Companions

JW Xuan, CC Hsu, L Finnerty, J Wang… - The Astrophysical …, 2024 - iopscience.iop.org
Abstract Using Keck Planet Imager and Characterizer high-resolution (R∼ 35,000)
spectroscopy from 2.29 to 2.49 μm, we present uniform atmospheric retrievals for eight …

Discovery of water at high spectral resolution in the atmosphere of 51 Peg b

JL Birkby, RJ De Kok, M Brogi, H Schwarz… - The Astronomical …, 2017 - iopscience.iop.org
Discovery of Water at High Spectral Resolution in the Atmosphere of 51 Peg b - IOPscience
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Measuring the ratio of the gas and dust emission radii of protoplanetary disks in the Lupus star-forming region

E Sanchis, L Testi, A Natta, S Facchini… - Astronomy & …, 2021 - aanda.org
We performed a comprehensive demographic study of the CO extent relative to dust of the
disk population in the Lupus clouds in order to find indications of dust evolution and possible …

The time domain for brown dwarfs and directly imaged giant exoplanets: the power of variability monitoring

B Biller - Astronomical Review, 2017 - Taylor & Francis
Variability has now been robustly observed in a range of L and T type field brown dwarfs,
primarily at near-IR and mid-IR wavelengths. The probable cause of this variability is surface …

Deep Exploration of the Planets HR 8799 b, c, and d with Moderate-resolution Spectroscopy

JB Ruffio, QM Konopacky, T Barman… - The Astronomical …, 2021 - iopscience.iop.org
The four directly imaged planets orbiting the star HR 8799 are an ideal laboratory to probe
atmospheric physics and formation models. We present more than a decade's worth of …

Rotation Periods, Inclinations, and Obliquities of Cool Stars Hosting Directly Imaged Substellar Companions: Spin–Orbit Misalignments Are Common

BP Bowler, QH Tran, Z Zhang, M Morgan… - The Astronomical …, 2023 - iopscience.iop.org
The orientation between a star's spin axis and a planet's orbital plane provides valuable
information about the system's formation and dynamical history. For non-transiting planets at …

[HTML][HTML] Exoplanet atmospheres with GIANO-I. Water in the transmission spectrum of HD 189 733 b

M Brogi, P Giacobbe, G Guilluy, RJ de Kok… - Astronomy & …, 2018 - aanda.org
Context. High-resolution spectroscopy (R≥ 20 000) at near-infrared wavelengths can be
used to investigate the composition, structure, and circulation patterns of exoplanet …