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 21, 2022 updates

Impact of a moon on the evolution of a planet’s rotation axis: a non-resonant case
https://link.springer.com/article/10.1007/s10569-022-10077-5

A Study of Flares in the Ultra-Cool Regime from SPECULOOS-South
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stac1078/6570707

A Radial Velocity Study of the Planetary System of π Mensae: Improved Planet Parameters for π Mensae c and a Third Planet on a 125 Day Orbit
https://iopscience.iop.org/article/10.3847/1538-3881/ac5dcb

Setigen: Simulating Radio Technosignatures for the Search for Extraterrestrial Intelligence
https://iopscience.iop.org/article/10.3847/1538-3881/ac5e3d

TOI-1696 and TOI-2136: Constraining the Masses of Two Mini-Neptunes with HPF
https://arxiv.org/abs/2204.09063

Rapidly rotating stars and their transiting planets: KELT-17b, KELT-19Ab, and KELT-21b in the CHEOPS and TESS era
https://arxiv.org/abs/2204.09077

Biocosmology: Towards the birth of a new science
https://arxiv.org/abs/2204.09378

Biocosmology: Biology from a cosmological perspective
https://arxiv.org/abs/2204.09379

Detailed chemical compositions of planet-hosting stars: II. Exploration of the interiors of terrestrial-type exoplanets
https://arxiv.org/abs/2204.09558

Infrared and Optical Detectability of Dyson Spheres at White Dwarf Stars
https://arxiv.org/abs/2204.09627

April 20, 2022 updates

Forming Planets Around Stars With Non-Solar Elemental Composition
https://www.aanda.org/articles/aa/full_html/2022/04/aa42738-21/aa42738-21.html

Chemical diversity of the atmospheres and interiors of sub-Neptunes: a case study of GJ 436 b
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stac1066/6571256

The long-term evolution of the atmosphere of Venus: processes and feedback mechanisms
https://arxiv.org/abs/2204.08540

Chaotic Behaviour of the Earth System in the Anthropocene
https://arxiv.org/abs/2204.08955

A warm super-Neptune around the G-dwarf star TOI-1710 revealed with TESS, SOPHIE and HARPS-N
https://arxiv.org/abs/2204.08984

April 19, 2022 updates

Interstellar Probe: A Mission to the Heliospheric Boundary and Interstellar Medium to Understand our Home in the Galaxy
https://meetingorganizer.copernicus.org/EGU22/EGU22-6802.html

Theoretical Investigation into the Emergence of Microbial Life in Tightly Orbiting Habitable Zones around M Dwarfs
https://osf.io/gc7qb/

Planetary Migration Timescale and Its Influence on Life’s Ability to Occupy a Habitable Zone
https://osf.io/e69zw/

New message to aliens will reflect on Earth in danger of climate crisis
https://www.space.com/climate-change-message-to-aliens

Far side: the moon’s use as a new astronomical site
https://spacenews.com/far-side-the-moons-use-as-a-new-astronomical-site/

Determining the “Biosignature Threshold” for Life Detection on Biotic, Abiotic, or Prebiotic Worlds
https://liebertpub.com/doi/10.1089/ast.2021.0079

Planet Patrol: Vetting Transiting Exoplanet Candidates with Citizen Science
https://iopscience.iop.org/article/10.1088/1538-3873/ac5de0

Engineering an Interstellar Communications Network by Deploying Relay Probes
https://arxiv.org/abs/2204.08296

Dynamics of co-orbital exoplanets in a first order resonance chain with tidal dissipation
https://arxiv.org/abs/2204.08074

April 18, 2022 Updates

CaRM: Exploring the chromatic Rossiter-McLaughlin effect
https://www.aanda.org/articles/aa/full_html/2022/04/aa42353-21/aa42353-21.html

The plan to challenge aliens to a very slow game of chess
https://www.sciencedirect.com/science/article/abs/pii/S0262407922006479

Limiting Flux versus Redshift as a Flag of New Physics
https://iopscience.iop.org/article/10.3847/2515-5172/ac6520

The Refined Transit Ephemeris of TOI-2180 b
https://iopscience.iop.org/article/10.3847/2515-5172/ac64fd

Astrometric Precision Tests on TESS Data
https://iopscience.iop.org/article/10.1088/1538-3873/ac584a

On the stability of low-mass planets with supercritical hydrospheres
https://arxiv.org/abs/2204.07451

A possible solution for the faint young Sun paradox: Clues from the exoplanetary data
https://arxiv.org/abs/2204.07515

April 15, 2022 updates

WD 1145+017: Alternative models of the atmosphere, dust clouds, and gas rings
https://www.aanda.org/articles/aa/full_html/2022/04/aa41924-21/aa41924-21.html

Comparison of Two Analytic Energy Balance Models Shows Stable Partial Ice Cover Possible for Any Obliquity
https://iopscience.iop.org/article/10.3847/PSJ/ac603d

Photodynamical analysis of the nearly resonant planetary system WASP-148: Accurate transit-timing variations and mutual orbital inclination
https://arxiv.org/abs/2204.06656

Influence of C/O Ratio on Hot Jupiter Atmospheric Chemistry
https://arxiv.org/abs/2204.06884

Water UV-shielding in the terrestial planet-forming zone: Implications from water emission
https://arxiv.org/abs/2204.07108

Avoiding the Great Filter: Predicting the Timeline for Humanity to Reach Kardashev Type I Civilization
https://arxiv.org/abs/2204.07070