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 30, 2022 updates

Inferring Late-stage Enrichment of Exoplanet Atmospheres from Observed Interstellar Comets
https://iopscience.iop.org/article/10.3847/2041-8213/ac786e

Methanol—A Poor Biosignature Gas in Exoplanet Atmospheres
https://iopscience.iop.org/article/10.3847/1538-4357/ac6f60

Impact of Lorentz violation models on exoplanets dynamics
https://arxiv.org/abs/2206.14657

The impact of two non-transiting planets and stellar activity on mass determinations for the super-Earth CoRoT-7b
https://arxiv.org/abs/2206.14216

On the long-term stability of the Solar System in the presence of weak perturbations from stellar flybys
https://arxiv.org/abs/2206.14240

The TESS-Keck Survey. XIII. An Eccentric Hot Neptune with a Similar-Mass Outer Companion around TOI-1272
https://arxiv.org/abs/2206.14327

Tidal excitation of autoresonant oscillations in stars with close-by planets
https://arxiv.org/abs/2206.14611

ESA-Ariel Data Challenge NeurIPS 2022: Introduction to exo-atmospheric studies and presentation of the Ariel Big Challenge (ABC) Database
https://arxiv.org/abs/2206.14633

ESA-Ariel Data Challenge NeurIPS 2022: Inferring Physical Properties of Exoplanets From Next-Generation Telescopes
https://arxiv.org/abs/2206.14642

June 29, 2022 updates

NASA’s New Hubble E-Book Takes Readers on a Journey to Curious Worlds
https://www.nasa.gov/feature/goddard/2022/nasas-new-hubble-e-book-takes-readers-on-a-journey-to-curious-worlds

Using birefringent elements and imaging Michelsons for the calibration of high-precision planet-finding spectrographs
https://www.aanda.org/articles/aa/full_html/2022/06/aa41657-21/aa41657-21.html

Optimal mass and speed for interstellar flyby with directed-energy propulsion
https://arxiv.org/abs/2206.13929

Constraining the Planet Occurrence Rate around Halo Stars of Potentially Extragalactic Origin
https://arxiv.org/abs/2206.13556

Forming short period sub-stellar companions in 47 Tucanae — II. Analytic expressions for the orbital evolution of planets in dense environments
https://arxiv.org/abs/2206.13558

June 27, 2022 updates

Searching for extraterrestrial intelligence with the square kilometre array
https://9lib.org/document/zlgje06y-searching-extraterrestrial-intelligence-square-kilometre-array.html

Potential long-term habitable conditions on planets with primordial H–He atmospheres
https://www.nature.com/articles/s41550-022-01699-8

NASA Rockets Launch from Australia to Seek Habitable Star Conditions
https://www.nasa.gov/feature/goddard/2022/nasa-rockets-launch-from-australia-to-seek-habitable-star-conditions

Convolutional neural networks as an alternative to Bayesian retrievals for interpreting exoplanet transmission spectra
https://www.aanda.org/articles/aa/full_html/2022/06/aa42976-21/aa42976-21.html

A large range of haziness conditions in hot-Jupiter atmospheres
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stac1772/6618565

Quadrupole and octupole order resonances in non-restricted hierarchical planetary systems
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stac1757/6618560

Radiation Effects from the Interstellar Medium and Cosmic Ray Particle Impacts on Relativistic Spacecraft
https://iopscience.iop.org/article/10.3847/1538-4357/ac6a50

An Informational Approach to Exoplanet Characterization
https://arxiv.org/abs/2206.13344

MIRAC-5: A ground-based mid-IR instrument with the potential to detect ammonia in gas giants
https://arxiv.org/abs/2206.12682

Nebula-Relay Hypothesis: Cosmic ray-driven bioenergetics for Life in Molecular Clouds and the Origin of Chemiosmosis
https://arxiv.org/abs/2206.12816

The Effect of Accretion Rate and Composition on the Structure of Ice-rich Super-Earths
https://arxiv.org/abs/2206.12861

Growth and evolution of secondary volcanic atmospheres: I. Identifying the geological character of hot rocky planets
https://arxiv.org/abs/2111.05161

Cleaning our Hazy Lens: Exploring Trends in Transmission Spectra of Warm Exoplanets
https://arxiv.org/abs/2112.06173

June 27, 2022 Updates

Feasibility of detecting and characterizing embedded low-mass giant planets in gaps in the VIS/NIR wavelength range
https://www.aanda.org/articles/aa/full_html/2022/06/aa42652-21/aa42652-21.html

GENGA. II. GPU Planetary N-body Simulations with Non-Newtonian Forces and High Number of Particles
https://iopscience.iop.org/article/10.3847/1538-4357/ac6dd2

On the transit spectroscopy features of warm Neptunes in the TOI-421 system, revealed with their 3D aeronomy simulations
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stac1633/6617993?redirectedFrom=fulltext

Thermocline Depth on Water-rich Exoplanets
https://arxiv.org/abs/2206.12049

How do we optimally sample model grids of exoplanet spectra?
https://arxiv.org/abs/2206.12194

Constraining masses and separations of unseen companions to five accelerating nearby stars
https://arxiv.org/abs/2206.12266

Revising Properties of Planet-host Binary Systems I.: Methods and Pilot Study
https://arxiv.org/abs/2206.12304