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.

March 14, 2023 updates

The Science of Breaking Spacetime with a Wormhole
https://thecosmical.com/how-can-we-break-spacetime-with-a-wormhole/

Pancosmorio (world limit) theory of the sustainability of human migration and settlement in space
https://www.frontiersin.org/articles/10.3389/fspas.2023.1081340/full

Planetary geodynamics and age constraints on circumstellar habitable zones around main sequence stars
https://www.cambridge.org/core/journals/international-journal-of-astrobiology/article/abs/planetary-geodynamics-and-age-constraints-on-circumstellar-habitable-zones-around-main-sequence-stars/FE236FDBEE1A6569FA601D428215987A

A numerical study of fourth- and fifth-order retrograde mean motion resonances in planetary systems
https://academic.oup.com/mnras/article-abstract/520/3/4696/7022333

TTV Constraints on Additional Planets in the WD 1856+534 system
https://arxiv.org/abs/2303.06157

A Catalog of Exoplanets with Equilibrium Temperature less than 600 K
https://arxiv.org/abs/2303.06214

An unlikely survivor: a low-density hot Neptune orbiting a red giant star
https://arxiv.org/abs/2303.06728

The energetic particle environment of a GJ 436 b-like planet
https://arxiv.org/abs/2303.07058

High Forward Thrust Metasurface Beam-Riding Sail
https://arxiv.org/abs/2303.06793

March 13, 2023 Updates

Anatomy of rocky planets formed by rapid pebble accretion I. How icy pebbles determine the core fraction and FeO contents
https://www.aanda.org/articles/aa/full_html/2023/03/aa42141-21/aa42141-21.html

Constraining planetary mass-loss rates by simulating Parker wind profiles with Cloudy (Corrigendum)
https://www.aanda.org/articles/aa/full_html/2023/03/aa43830e-22/aa43830e-22.html

The K2 and TESS Synergy. II. Revisiting 26 Systems in the TESS Primary Mission
https://iopscience.iop.org/article/10.3847/1538-3881/acaf03

Magnetic activity variability from Hα line intensive monitoring of two F-type stars with a hot Jupiter, τ Bootis A and υ Andromedae A
https://academic.oup.com/pasj/advance-article-abstract/doi/10.1093/pasj/psad010/7076234?redirectedFrom=fulltext

The origin of free-floating planets
https://arxiv.org/abs/2303.05522

Assessing the spin-orbit obliquity of low-mass planets in the breaking the chain formation model: A story of misalignment
https://arxiv.org/abs/2303.05635

Hot Exoplanet Atmospheres Resolved with Transit Spectroscopy (HEARTS) VIII. Nondetection of sodium in the atmosphere of the aligned planet KELT-10b
https://arxiv.org/abs/2303.05857

March 09, 2023 updates

Large Interferometer For Exoplanets (LIFE): X. Assessing the Impact of Clouds on Atmospheric Retrievals at Mid-Infrared Wavelengths with a Venus-Twin Exoplanet
https://arxiv.org/abs/2303.04727

Impact of Changing Stellar and Planetary Magnetic Fields on (Exo)planetary Environments and Atmospheric Mass Loss
https://arxiv.org/abs/2303.04770

Habitability and sub glacial liquid water on planets of M-dwarf stars
https://arxiv.org/abs/2303.04474

Free-floating or wide-orbit? Keck adaptive-optics observations reveal no host stars near free-floating planet candidates
https://arxiv.org/abs/2303.04610

Migration of pairs of giant planets in low-viscosity discs
https://arxiv.org/abs/2303.04652

March 08, 2023 updates

A low-eccentricity migration pathway for a 13-h-period Earth analogue in a four-planet system
https://dspace.mit.edu/handle/1721.1/148283

Orbit-to-ground framework to decode and predict biosignature patterns in terrestrial analogues
https://www.nature.com/articles/s41550-022-01882-x

The CARMENES search for exoplanets around M dwarfs – A long-period planet around GJ 1151 measured with CARMENES and HARPS-N data
https://www.aanda.org/articles/aa/full_html/2023/03/aa45053-22/aa45053-22.html

Effect of improved atmospheric opacities in modelling sub-Neptunes – A case study for GJ 1214 b
https://www.aanda.org/articles/aa/full_html/2023/03/aa41784-21/aa41784-21.html

EDEN Survey: Small Transiting Planet Detection Limits and Constraints on the Occurrence Rates of Planets around Late-M Dwarfs within 15 pc
https://iopscience.iop.org/article/10.3847/1538-3881/acba0b

Review of X-ray pulsar spacecraft autonomous navigation
https://www.sciencedirect.com/science/article/pii/S1000936123000584

Superstoichiometric Alloying of H and Close-Packed Fe-Ni Metal Under High Pressures: Implications for Hydrogen Storage in Planetary Core
https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2022GL101155

The Low-Altitude Ionosphere of the Ice Giant Planets
https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2022JE007568

Revisiting the Transit Timing and Atmosphere Characterization of the Neptune-mass Planet HAT-P-26 b
https://arxiv.org/abs/2303.03610

The young mini-Neptune HD 207496b that is either a naked core or on the verge of becoming one
https://arxiv.org/abs/2303.03775