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 12, 2024 updates

Defining the minimum physical requirements for life in space
https://people.seas.harvard.edu/~rwordsworth/papers/wordsworth2024defining_preprint.pdf

A Novel Abiotic Pathway for Phosphine Synthesis over Acidic Dust in Venus’ Atmosphere
https://liebertpub.com/doi/10.1089/ast.2023.0046

Transit Spectroscopy of K2-33b with Subaru/IRD: Spin-Orbit Alignment and Tentative Atmospheric Helium
https://arxiv.org/abs/2404.07262

Dynamical and Secular Stability of Mutually Inclined Planetary Systems
https://arxiv.org/abs/2404.07264

Doomed Worlds I: No new evidence for orbital decay in a long-term survey of 43 ultra-hot Jupiters
https://arxiv.org/abs/2404.07339

April 11, 2024 updates

Evolution of Earth’s oxygenation and temperature depends on surface carbonate accumulation
https://www.nature.com/articles/s41561-024-01429-x

Teegarden’s Star revisited – A nearby planetary system with at least three planets
https://www.aanda.org/articles/aa/full_html/2024/04/aa48033-23/aa48033-23.html

Hot Jupiter Diversity and the Onset of TiO/VO Revealed by a Large Grid of Non-Grey Global Circulation Models
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stae984/7643650

Atmospheric characterisation and tighter constraints on the orbital misalignment of WASP-94 A b with HARPS
https://arxiv.org/abs/2404.06550

Differences between Stable and Unstable Architectures of Compact Planetary Systems
https://arxiv.org/abs/2404.06567

Constraints on atmospheric water abundance and cloud deck pressure in the warm Neptune GJ 3470 b via CARMENES transmission spectroscopy
https://arxiv.org/abs/2404.06648

Star-planet interaction and its impact on the stellar rotation
https://arxiv.org/abs/2404.06958

Relative Occurrence Rate Between Hot and Cold Jupiters as an Indicator to Probe Planet Migration
https://arxiv.org/abs/2404.07033

Tianyu: search for the second solar system and explore the dynamic universe
https://arxiv.org/abs/2404.07149

April 10, 2024 updates

Speaking Beyond Earth: Perspectives on Messaging Across Deep Space and Cosmic Time
https://mcfarlandbooks.com/product/speaking-beyond-earth/

Inferring Intrinsic Stellar EUV and Lyman-Alpha Fluxes and Their Effects on Exoplanet Atmospheres
https://link.springer.com/article/10.1007/s11214-024-01064-3

Crustal carbonate build-up as a driver for Earth’s oxygenation
https://www.nature.com/articles/s41561-024-01417-1

JASMINE: Near-infrared astrometry and time-series photometry science
https://academic.oup.com/pasj/advance-article/doi/10.1093/pasj/psae020/7643300

DIAmante TESS AutoRegressive Planet Search (DTARPS). I. Analysis of 0.9 Million Light Curves
https://iopscience.iop.org/article/10.3847/1538-3881/ad29f0

DIAmante TESS AutoRegressive Planet Search (DTARPS). II. Hundreds of New TESS Candidate Exoplanets
https://iopscience.iop.org/article/10.3847/1538-3881/ad29f1

Is It Possible to Know Cosmological Fine-tuning?
https://iopscience.iop.org/article/10.3847/1538-4365/ad2c88

Is There a Universal Limit to Technological Development? Evidences from Astrobiology
https://www.sciencedirect.com/science/article/abs/pii/S0016328724000624

Direct imaging of exoplanets
https://arxiv.org/abs/2404.05797

The AstraLux-TESS high-spatial resolution imaging survey. Search for stellar companions of 215 planet candidates from TESS
https://arxiv.org/abs/2404.06316

Analyzing the Atmospheric Dispersion Correction of the Gemini Planet Imager: residual dispersion above design requirements
https://arxiv.org/abs/2404.06378

Evidence for Primordial Alignment: Insights from Stellar Obliquity Measurements for Compact Sub-Saturn Systems
https://arxiv.org/abs/2404.06504

Computing the interaction of light pulses with objects moving at relativistic speeds
https://arxiv.org/abs/2404.05117

April 09, 2024 updates

Revisiting the warm sub-Saturn TOI-1710b – The impact of stellar activity on the mass measurement
https://www.aanda.org/articles/aa/full_html/2024/04/aa48131-23/aa48131-23.html

The Goldstone Apple Valley Radio Telescope (GAVRT) Search for Extra Terrestrial Intelligence (SETI)
https://iopscience.iop.org/article/10.1088/1538-3873/ad2f4f

A Subsolar Metallicity on the Ultra-short-period Planet HIP 65Ab
https://iopscience.iop.org/article/10.3847/1538-3881/ad3071

Exploring Interstellar Communication through Gravitational Anomalies
https://osf.io/preprints/osf/57znd

Interstellar meteors from the tidal disruption of rocky planets on eccentric orbits around M dwarfs
https://www.aanda.org/component/article?access=doi&doi=10.1051/0004-6361/202449250

Imaging detection of the inner dust belt and the four exoplanets in the HR 8799 system with JWST’s MIRI coronagraph
https://www.aanda.org/component/article?access=doi&doi=10.1051/0004-6361/202347912

Singular Spectrum Analysis of Exoplanetary Transits
https://arxiv.org/abs/2404.05323

Necessary Conditions for Earthly Life Floating in the Venusian Atmosphere
https://arxiv.org/abs/2404.05356

Doppler Tomography as a tool for characterising exoplanet atmospheres II: an analysis of HD 179949 b
https://arxiv.org/abs/2404.05652

Optimized Bandpasses for the Habitable Worlds Observatory’s ExoEarth Survey
https://arxiv.org/abs/2404.05654

Self-referencing photothermal common-path interferometry to measure absorption of Si3N4 membranes for laser-light sails
https://arxiv.org/abs/2404.04449

April 08, 2024 Updates

Four-of-a-kind? Comprehensive atmospheric characterisation of the HR 8799 planets with VLTI/GRAVITY
https://arxiv.org/abs/2404.03776

Habitability constraints by nutrient availability in atmospheres of rocky exoplanets
https://arxiv.org/abs/2404.04029

Constraining stellar tidal quality factors from planet-induced stellar spin-up
https://arxiv.org/abs/2404.04047

Turbulent Fluxes and Evaporation/Sublimation Rates on Earth, Mars, Titan, and Exoplanets
https://onlinelibrary.wiley.com/doi/10.1029/2023JE008114

NLTE modelling of water-rich exoplanet atmospheres. Cooling and heating rates
https://www.sciencedirect.com/science/article/abs/pii/S0019103524001404

Helium in the Extended Atmosphere of the Warm Superpuff TOI-1420b
https://iopscience.iop.org/article/10.3847/1538-3881/ad3241

Asymmetry in the atmosphere of the ultra-hot Jupiter WASP-76 b
https://www.aanda.org/articles/aa/full_html/2024/04/aa48270-23/aa48270-23.html

Implications of the discovery of AF Lep b – The mass-luminosity relation for planets in the β Pic Moving Group and the L–T transition for young companions and free-floating planets
https://www.aanda.org/articles/aa/full_html/2024/04/aa48012-23/aa48012-23.html