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.

November 23, 2023 updates

The Odds on Alpha Centauri
https://www.centauri-dreams.org/2023/11/22/the-odds-on-alpha-centauri/

Is Interstellar Flight Inevitable?
https://www.centauri-dreams.org/2023/11/17/is-interstellar-flight-inevitable/

Eavesdropping on the Neighbors
https://www.centauri-dreams.org/2023/11/15/eavesdropping-on-the-neighbors/

Differential aperture photometry and digital coronagraphy with PRAIA
https://www.sciencedirect.com/science/article/abs/pii/S003206332300185X

Exoplanets detection limits using spectral cross-correlation with spectro-imaging. An analytical model applied to the case of ELT-HARMONI
https://arxiv.org/abs/2311.13275

The SOPHIE search for northern extrasolar planets-XIX. A system including a cold sub-Neptune potentially transiting a V = 6.5 star HD88986
https://arxiv.org/abs/2311.13513

β Pictoris b through the eyes of the upgraded CRIRES+
https://arxiv.org/abs/2311.13527

KMT-2023-BLG-1431Lb: A New q<10−4 Microlensing Planet from a Subtle Signature
https://arxiv.org/abs/2311.13097

November 22, 2023 updates

Screening Earth Analog Exoplanets on the Basis of a Predicted Nitrogen over Phosphorus Ratio
https://iopscience.iop.org/article/10.3847/1538-4357/acfc4e

Using a Quench Level Approximation to Estimate the Effect of Metallicity on the Abundances of N-bearing Species in H2-dominated Atmospheres
https://iopscience.iop.org/article/10.3847/1538-4357/acfc49

Future trajectories of the Solar System: dynamical simulations of stellar encounters within 100 au
https://arxiv.org/abs/2311.12171

SO2, silicate clouds, but no CH4 detected in a warm Neptune
https://arxiv.org/abs/2311.12515

Characterising TOI-732 b and c: new insights on the M-dwarf radius and density valley
https://arxiv.org/abs/2311.12577

The mass-radius relation of exoplanets, revisited
https://arxiv.org/abs/2311.12593

Hyperwave: Hyper-Fast Communication within General Relativity
https://arxiv.org/abs/2311.12069

November 21, 2023 updates

Constraining Background N2 Inventories on Directly Imaged Terrestrial Exoplanets to Rule Out O2 False Positives
https://iopscience.iop.org/article/10.3847/1538-3881/ad03e9

Analyzing light curves to highlight phenomena and trends in planetary systems that house terrestrial exoplanets
https://tns.ewapublishing.org/article.html?pk=962c6fab1dae4c7baf710fd521756c51

Optical constants of exoplanet haze analogs from 0.3 to 30 microns : Comparative sensitivity between spectrophotometry and ellipsometry
https://www.researchgate.net/publication/375716931_Optical_constants_of_exoplanet_haze_analogs_from_03_to_30_microns_Comparative_sensitivity_between_spectrophotometry_and_ellipsometry

Water content of rocky exoplanets in the habitable zone
https://www.researchgate.net/publication/375716603_Water_content_of_rocky_exoplanets_in_the_habitable_zone

The GAPS Programme at TNG L — TOI-4515 b: An eccentric warm Jupiter orbiting a 1.2 Gyr-old G-star
https://arxiv.org/abs/2311.11903

November 20, 2023 Updates

The Human Challenges of Conquering Space and Colonizing Other Worlds
https://www.academia.edu/103359543/

Corrections of errors in special relativity theory and the influence of paradoxes on it
https://hal.science/hal-04283596/document

Cooperative Evolutionary Pressure and Diminishing Returns Might Explain the Fermi Paradox: On What Super-AIs Are Like and Why We Don’t See Them
https://osf.io/bq438/

Why are Mountaintops Cold? The Transition of Surface Lapse Rate on Dry Planets
https://arxiv.org/abs/2311.10151

Giant Outer Transiting Exoplanet Mass (GOT ‘EM) Survey: III. Recovery and Confirmation of a Temperate, Mildly Eccentric, Single-Transit Jupiter Orbiting TOI-2010
https://arxiv.org/abs/2311.10232

Calibration Unit Design for High-Resolution Infrared Spectrograph for Exoplanet Characterization (HISPEC)
https://arxiv.org/abs/2311.10239

Forming Giant Planets Around Late-M Dwarfs: Pebble Accretion and Planet-Planet Collision
https://arxiv.org/abs/2311.10317

Wavelet Transforms of Microlensing Data: Denoising, Extracting Intrinsic Pulsations, and Planetary Signals
https://iopscience.iop.org/article/10.3847/1538-3881/ad07d9

Planetary Entropy Production as a Thermodynamic Constraint for Exoplanet Habitability
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stad3526/7425639?searchresult=1