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 25, 2022 Updates

Optical borehole-wall analysis – Useful method for planetary environment reconstruction
https://www.sciencedirect.com/science/article/pii/S009457652200145X

Phenomenology and capabilities of mutually guided laser and neutral particle beams for deep space propulsion
https://www.sciencedirect.com/science/article/abs/pii/S0094576522001552

A SuperWASP Light Curve Displaying a Single Long-duration Transit: A Jupiter Size Exoplanet in a Very Distant Orbit?
https://iopscience.iop.org/article/10.3847/2515-5172/ac6811

A Reanalysis of Public Galactic Bulge Gravitational Microlensing Events from OGLE-III and -IV
https://iopscience.iop.org/article/10.3847/1538-4365/ac5969

Mapping the Planetary Wake in HD 163296 with Kinematics
https://iopscience.iop.org/article/10.3847/2041-8213/ac64a7

Empirical Limb-darkening Coefficients and Transit Parameters of Known Exoplanets from TESS
https://iopscience.iop.org/article/10.3847/1538-3881/ac5f55

New Constraints on the Composition and Initial Speed of CNEOS 2014-01-08
https://arxiv.org/abs/2204.08482

The Solar-Electric Sail: Application to Interstellar Migration and Consequences for SETI
https://www.mdpi.com/2218-1997/8/5/252

The impact of time-dependent stellar activity on exoplanet atmospheres
https://arxiv.org/abs/2204.10835

April 22, 2022 updates

New exocomets of β Pic
https://www.aanda.org/articles/aa/full_html/2022/04/aa42111-21/aa42111-21.html

Orbital alignment of HD 332231 b – The warm Saturn HD 332231 b/TOI-1456 b travels on a well-aligned, circular orbit around a bright F8 dwarf
https://www.aanda.org/articles/aa/full_html/2022/04/aa42726-21/aa42726-21.html

Atmospheric Dynamics of a Near Tidally Locked Earth-Size Planet
https://arxiv.org/abs/2204.09696

Reduced atmospheres of post-impact worlds: The early Earth
https://arxiv.org/abs/2204.09946

Large Interferometer For Exoplanets (LIFE): V. Diagnostic potential of a mid-infrared space-interferometer for studying Earth analogs
https://arxiv.org/abs/2204.10041

Detection of CO emission lines in the dayside atmospheres of WASP-33b and WASP-189b with GIANO
https://arxiv.org/abs/2204.10158

The HD 260655 system: Two rocky worlds transiting a bright M dwarf at 10 pc
https://arxiv.org/abs/2204.10261

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