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.

February 06, 2023 Updates

Large Interferometer For Exoplanets (LIFE)
VII. Practical implementation of a five-telescope kernel-nulling beam combiner with a discussion on instrumental uncertainties and redundancy benefits
https://www.aanda.org/articles/aa/full_html/2023/02/aa43863-22/aa43863-22.html

Supernovae might be a good cue to hunt for alien signals
https://www.sciencedirect.com/science/article/abs/pii/S0262407923001823

Stable lifetime of compact, evenly-spaced planetary systems with non-equal masses
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stad393/7025959?redirectedFrom=fulltext

A new dynamical modeling of the WASP-47 system with CHEOPS observations
https://arxiv.org/abs/2302.01352

Absence of extended atmospheres in low-mass star radius-gap planets GJ 9827 b, GJ 9827 d and TOI-1235 b
https://arxiv.org/abs/2302.01479

The low density, hot Jupiter TOI-640 b is on a polar orbit
https://arxiv.org/abs/2302.01702

Searching for the nature of stars with debris disks and planets
https://arxiv.org/abs/2302.01850

A full transit of ν2 Lupi d and the search for an exomoon in its Hill sphere with CHEOPS
https://arxiv.org/abs/2302.01853

February 03, 2023 updates

TESS Hunt for Young and Maturing Exoplanets (THYME). IX. A 27 Myr Extended Population of Lower Centaurus Crux with a Transiting Two-planet System
https://iopscience.iop.org/article/10.3847/1538-3881/aca8fc

Hubble Space Telescope Transmission Spectroscopy for the Temperate Sub-Neptune TOI-270 d: A Possible Hydrogen-rich Atmosphere Containing Water Vapor h
ttps://iopscience.iop.org/article/10.3847/1538-3881/aca90b

An Earth-sized Planet around an M5 Dwarf Star at 22 pc
https://arxiv.org/abs/2302.00699

TESS Asteroseismic Analysis of HD 76920: The Giant Star Hosting An Extremely Eccentric Exoplanet
https://arxiv.org/abs/2302.01102

OGLE-2016-BLG-1195Lb: A Sub-Neptune Beyond the Snow Line of an M-dwarf Confirmed by Keck AO
https://arxiv.org/abs/2302.01168

February 02, 2023 updates

The tidal excitation of r modes in a solar type star orbited by a giant planet companion and the effect on orbital evolution I: The aligned case
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stad358/7022329

High-eccentricity Migration with Disk-induced Spin–Orbit Misalignment: A Preference for Perpendicular Hot Jupiters
https://iopscience.iop.org/article/10.3847/2041-8213/acaea6

Evidence that Core-Powered Mass-Loss Dominates Over Photoevaporation in Shaping the Kepler Radius Valley
https://arxiv.org/abs/2302.00009

A dynamical mass for GJ 463 b: A massive super-Jupiter companion beyond the snow line of a nearby M dwarf
https://arxiv.org/abs/2302.00413

On the follow-up efforts of long-period transiting planet candidates detected with Gaia astrometry
https://arxiv.org/abs/2302.00420

A Dynamical Systems Approach to the Theory of Circumbinary Orbits in the Circular Restricted Problem h
ttps://arxiv.org/abs/2302.00580

The PEPSI Exoplanet Transit Survey (PETS). II. A Deep Search for Thermal Inversion Agents in KELT-20 b/MASCARA-2 b with Emission and Transmission Spectroscopy
https://arxiv.org/abs/2205.12162

February 01, 2023 updates

Watch distant worlds dance around their sun
https://news.northwestern.edu/stories/2023/01/watch-distant-worlds-dance-around-their-sun/

Mission Architecture to Reach and Operate at the Focal Region of the Solar Gravitational Lens
https://arc.aiaa.org/doi/10.2514/1.A35493

Bend-Forming of Large Electrostatically Actuated Space Structures
https://www.nasa.gov/directorates/spacetech/niac/2023/Bend_Forming_of_Large_Electrostatically_Actuated_Space_Structures/

Occurrence rate of hot Jupiters orbiting red giant stars
https://www.aanda.org/articles/aa/full_html/2023/02/aa44180-22/aa44180-22.html

YunMa: Enabling Spectral Retrievals of Exoplanetary Clouds
https://arxiv.org/abs/2301.13708

A New Definition of Exoplanet Habitability: Introducing the
Photosynthetic Habitable Zone
https://arxiv.org/abs/2301.13836

January 31, 2023 updates

Statistical Correlations of Exoplanet Eccentricities
https://escholarship.org/uc/item/7vs305b6

A deep-learning search for technosignatures from 820 nearby stars
https://www.nature.com/articles/s41550-022-01872-z

Propulsion and Power from Cylindrical and Spherical Magneto-inertial Fusion Plasmas
https://arc.aiaa.org/doi/10.2514/6.2023-0554

Direct driving of simulated planetary jets by upscale energy transfer https://www.aanda.org/articles/aa/full_html/2023/02/aa44278-22/aa44278-22.html

The elements of life: A biocentric tour of the periodic table https://www.sciencedirect.com/science/article/abs/pii/S0065291122000339

Overcoming Inverse-square Law of Gravitation and Luminosity for Interstellar Hyperspace Navigation by Celestial Objects
https://arxiv.org/abs/2301.11130

Wavelet-enabled Star Classification: A Deep Learning Approach for Identifying Binary and Exoplanet Stars
https://arxiv.org/abs/2301.13115

The TIME Table: Rotation and Ages of Cool Exoplanet Host Stars
https://arxiv.org/abs/2301.12109

Hot exoplanetary atmospheres in 3D
https://arxiv.org/abs/2301.12779

A Machine Learning approach for correcting radial velocities using physical observables
https://arxiv.org/abs/2301.12872

The Hubble/STIS Near-ultraviolet Transmission Spectrum of HD 189733b
https://arxiv.org/abs/2301.13025

Binary microlensing with plasma environment — Star and planet
https://arxiv.org/abs/2211.13442