Interstellar Updates

 

These are items of interest to the interstellar exploration community that we’ve found in our quest for information that will help us advance toward our goals.  If you know of anything we’ve overlooked, or any sources of such information we should monitor, or if you would like to be added to our IRG-updates mailing list and receive these updates in you email every weekday, please send that information to info@irg.space.

You can now search our database of interstellar updates and find items of interest to you.

June 13, 2023 updates

Radial-velocity discovery of a second planet in the TOI-1338/BEBOP-1 circumbinary system
https://www.nature.com/articles/s41550-023-01948-4

TOI-733 b: A planet in the small-planet radius valley orbiting a Sun-like star
https://www.aanda.org/articles/aa/full_html/2023/06/aa45961-23/aa45961-23.html

VaTEST. II. Statistical Validation of 11 TESS-detected Exoplanets Orbiting K-type Stars
https://iopscience.iop.org/article/10.3847/1538-3881/acd548

A Shallow-water Model Exploration of Atmospheric Circulation on Sub-Neptunes: Effects of Radiative Forcing and Rotation Period
https://iopscience.iop.org/article/10.3847/PSJ/acd551

Using a neural network approach to accelerate disequilibrium chemistry calculations in exoplanet atmospheres
https://arxiv.org/abs/2306.07074

Atmospheric Recyling of Volatiles by Pebble-Accreting Planets
https://arxiv.org/abs/2306.06169

True Polar Wander of Lava Worlds
https://arxiv.org/abs/2306.06768

EXPRES IV: Two Additional Planets Orbiting ρ Coronae Borealis Reveal Uncommon System Architecture
https://arxiv.org/abs/2306.06888

Expanding the inventory of spectral lines used to trace atmospheric escape in exoplanets
https://arxiv.org/abs/2306.06971

June 12, 2023 Updates

Secular dynamics of stellar spin driven by planets inside Kozai-Lidov resonance
https://arxiv.org/abs/2306.05639

The effect of a small amount of hydrogen in the atmosphere of ultrahot magma-ocean planets: atmospheric composition and escape
https://arxiv.org/abs/2306.05664

Ohmic dissipation during the formation of super-Earth
https://arxiv.org/abs/2306.05913

Near-IR and optical radial velocities of the active M dwarf star Gl 388 (AD Leo) with SPIRou at CFHT and SOPHIE at OHP
https://www.aanda.org/articles/aa/full_html/2023/06/aa45660-22/aa45660-22.html

Gaussian processes for radial velocity modeling – Better rotation periods and planetary parameters with the quasi-periodic kernel and constrained priors
https://www.aanda.org/articles/aa/full_html/2023/06/aa44629-22/aa44629-22.html

Constraining the atmospheric elements in hot Jupiters with Ariel
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stad1721/7193383?redirectedFrom=fulltext

June 09, 2023 updates

Impacts of spaceflight experience on human brain structure
https://www.nature.com/articles/s41598-023-33331-8

Gaussian processes for radial velocity modeling – Better rotation periods and planetary parameters with the quasi-periodic kernel and constrained priors
https://www.aanda.org/articles/aa/full_html/2023/06/aa44629-22/aa44629-22.html

The Spin–Orbit Misalignment of TOI-1842b: The First Measurement of the Rossiter–McLaughlin Effect for a Warm Sub-Saturn around a Massive Star
https://iopscience.iop.org/article/10.3847/2041-8213/acd6f5

The MUSCLES Extension for Atmospheric and Transmission Spectroscopy: UV and X-ray Host-star Observations for JWST ERS & GTO Targets
https://arxiv.org/abs/2306.05322

Implications of atmospheric non-detections for Trappist-1 inner planets on atmospheric retention prospects for outer planets
https://arxiv.org/abs/2306.05397

On the Perturbative Picture and the Chang-Refsdal Lens Approximation for Planetary Microlensing
https://arxiv.org/abs/2207.12412

Lazarus Stars: Numerical investigations of stellar evolution with star-lifting as a life extension strategy
https://arxiv.org/abs/2210.02338

Exoplanet Spectroscopy with JWST NIRISS: Diagnostics and Case Studies
https://arxiv.org/abs/2306.04676

June 08, 2023 updates

Giant tidal tails of helium escaping the hot Jupiter HAT-P-32 b
https://www.science.org/doi/10.1126/sciadv.adf8736

Lost world of complex life and the late rise of the eukaryotic crown
https://www.nature.com/articles/s41586-023-06170-w

Competitive exclusion principle among synthetic non-biochemical protocells
https://www.sciencedirect.com/science/article/pii/S2666386423001273

Assessment of the technological viability of photoelectrochemical devices for oxygen and fuel production on Moon and Mars
https://www.nature.com/articles/s41467-023-38676-2

Refined parameters of the HD 22946 planetary system and the true orbital period of planet d
https://www.aanda.org/articles/aa/full_html/2023/06/aa45943-23/aa45943-23.html

TOI-5678b: A 48-day transiting Neptune-mass planet characterized with CHEOPS and HARPS
https://www.aanda.org/articles/aa/full_html/2023/06/aa45478-22/aa45478-22.html

TESS and CHEOPS discover two warm sub-Neptunes transiting the bright K-dwarf HD 15906
https://academic.oup.com/mnras/article/523/2/3090/7191658

Two warm Neptunes transiting HIP 9618 revealed by TESS and Cheops https://academic.oup.com/mnras/article/523/2/3069/7191657

TOI-4010: A System of Three Large Short-period Planets with a Massive Long-period Companion
https://iopscience.iop.org/article/10.3847/1538-3881/acd537

The GAPS programme at TNG. XLVI. Deep search for low-mass planets in late-dwarf systems hosting cold Jupiters
https://arxiv.org/abs/2306.04419

The HARPS search for southern extra-solar planets. XLVII. Five Jupiter-mass planets in long-period orbits, one highly irradiated Neptune, one brown dwarf, and five stellar binaries
https://arxiv.org/abs/2306.04420