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.

April 13, 2023 updates

Earth shaped by primordial H2 atmospheres
https://www.nature.com/articles/s41586-023-05823-0

A mini-chemical scheme with net reactions for 3D general circulation models – II. 3D thermochemical modelling of WASP-39b and HD 189733b
https://www.aanda.org/articles/aa/full_html/2023/04/aa45473-22/aa45473-22.html

Inferring the Rate of Technosignatures from 60 yr of Nondetection
https://iopscience.iop.org/article/10.3847/1538-3881/acc327

Relation between mass and radius of exoplanets distinguished by their density https://iopscience.iop.org/article/10.1088/1674-4527/accbb1/meta

Search for Extraterrestrial Intelligence as One-Shot Hypothesis Testing https://ieeexplore.ieee.org/abstract/document/10089645

Exploring Gravitomagnetic Effects in Rotating Conductors: Implications for Podkletnov’s Experimental Observations.
https://www.researchgate.net/publication/369820022_Exploring_Gravitomagnetic_Effects_in_Rotating_Conductors_Implications_for_Podkletnov’s_Experimental_Observations

Oxygenic photosynthetic responses of cyanobacteria exposed under an M-dwarf starlight simulator: Implications for exoplanet’s habitability
https://www.frontiersin.org/articles/10.3389/fpls.2023.1070359/full

Cold Jupiters and improved masses in 38 Kepler and K2 small-planet systems from 3661 high-precision HARPS-N radial velocities. No excess of cold Jupiters in small-planet systems
https://arxiv.org/abs/2304.05773

April 11, 2023 updates

A mini-chemical scheme with net reactions for 3D general circulation models – II. 3D thermochemical modelling of WASP-39b and HD 189733b
https://www.aanda.org/articles/aa/full_html/2023/04/aa45473-22/aa45473-22.html

Elemental Abundances of the Super-Neptune WASP-107b’s Host Star Using High-resolution, Near-infrared Spectroscopy
https://arxiv.org/abs/2304.03808

Characterisation of the upper atmospheres of HAT-P-32 b, WASP-69 b, GJ 1214 b, and WASP-76 b through their He I triplet absorption
https://arxiv.org/abs/2304.03839

The infrared colors of 51 Eridani b: micrometereoid dust or chemical disequilibrium?
https://arxiv.org/abs/2304.03850

KMT-2021-BLG-2010Lb, KMT-2022-BLG-0371Lb, and KMT-2022-BLG-1013Lb: Three microlensing planets detected via partially covered signals
https://arxiv.org/abs/2304.03871

The Mantis Network III: Expanding the limits of chemical searches within ultra hot-Jupiters. New detections of Ca I, V I, Ti I, Cr I, Ni I, Sr II, Ba II, and Tb II in KELT-9 b
https://arxiv.org/abs/2304.04285

Prediction of Planet Yields by the PRime-focus Infrared Microlensing Experiment Microlensing Survey
https://arxiv.org/abs/2304.04605

TOI-3785 b: A Low-Density Neptune Orbiting an M2-Dwarf Star
https://arxiv.org/abs/2304.04730

April 07, 2023 updates

Orbital precession in short-period hot jupiter exoplanet systems
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stad982/7110414

HST PanCET Program: A flat optical transmission spectrum for the Hot Jupiter WASP-101b
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stad1010/7110429

uGMRT observations of the hot-Saturn WASP 69b: Radio-Loud Exoplanet-Exomoon Survey II (RLEES II)
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stad1027/7110432

The Runaway Greenhouse Effect on Hycean Worlds
https://arxiv.org/abs/2304.02698

Upper limits on transmitter rate of extragalactic civilizations placed by Breakthrough Listen observations
https://arxiv.org/abs/2304.02756

Hyades Member K2-136c: The Smallest Planet in an Open Cluster with a Precisely Measured Mass
https://arxiv.org/abs/2304.02779

MOA-2022-BLG-249Lb: Nearby microlensing super-Earth planet detected from high-cadence surveys
https://arxiv.org/abs/2304.02815

High-resolution Emission Spectroscopy of the Ultrahot Jupiter KELT-9b: Little Variation in Day- and Nightside Emission Line Contrasts
https://arxiv.org/abs/2304.03248