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.

May 8, 2023 Updates

Modeling the Transmission and Emission Spectra of K2-18b: Determining the Surfaces of Exoplanets with Hydrogen Dominated Atmospheres
https://iopscience.iop.org/article/10.3847/2515-5172/acd1e8

The Giant Accreting Protoplanet Survey (GAPlanetS)—Results from a 6 yr Campaign to Image Accreting Protoplanets
https://iopscience.iop.org/article/10.3847/1538-3881/acc183

Project Lyra: The Way to Go and the Launcher to Get There
https://arxiv.org/abs/2305.03065

Alien eavesdroppers might respond to us by 2029
https://www.sciencedirect.com/science/article/abs/pii/S026240792300790X

Let’s Sweep: The Effect of Evolving J2 on the Resonant Structure of a Three-Planet System
https://arxiv.org/abs/2305.03104

A search for stellar siblings of the ~ 200 Myr TOI-251b planetary system
https://arxiv.org/abs/2305.03255

Tidally Heated Exomoons around ε Eridani b: Observability and prospects for characterization
https://arxiv.org/abs/2305.03410

May 05, 2023 updates

Timescales of Chaos in the Inner Solar System: Lyapunov Spectrum and Quasi-integrals of Motion
https://journals.aps.org/prx/abstract/10.1103/PhysRevX.13.021018

Plausible Constraints on the Range of Bulk Terrestrial Exoplanet Compositions in the Solar Neighborhood
https://iopscience.iop.org/article/10.3847/1538-4357/acac7d

Non-detection of Helium in the Hot Jupiter WASP-48b
https://arxiv.org/abs/2305.02465

Multiplicity Boost Of Transit Signal Classifiers: Validation of 69 New Exoplanets Using The Multiplicity Boost of ExoMiner
https://arxiv.org/abs/2305.02470

No Evidence for Additional Planets at GJ 3470 from TESS and Archival Radial Velocities
https://arxiv.org/abs/2305.02551

May 04, 2023 updates

A Revisited Analysis of the Radioisotope Sail and Its Possible Application to Relativistic Spaceflight
https://link.springer.com/chapter/10.1007/978-3-031-24812-2_5

An infrared transient from a star engulfing a planet
https://www.nature.com/articles/s41586-023-05842-x

Improved precision of radial velocity measurements after correction for telluric absorption
https://www.aanda.org/articles/aa/full_html/2023/05/aa45089-22/aa45089-22.html

Three Long-period Transiting Giant Planets from TESS
https://iopscience.iop.org/article/10.3847/1538-3881/accadd

Generalizing scaling laws for mantle convection with mixed heating https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2023JB026398

Photosynthesis Under a Red Sun: Predicting the absorption characteristics of an extraterrestrial light-harvesting antenna
https://arxiv.org/abs/2305.02067

Wapiti: a data-driven approach to correct for systematics in RV data — Application to SPIRou data of the planet-hosting M dwarf GJ 251
https://arxiv.org/abs/2305.02123

An Interferometric SETI Observation of Kepler-111 b
https://arxiv.org/abs/2305.02262

Schedule optimization for transiting exoplanet observations with NASA’s Pandora SmallSat mission
https://arxiv.org/abs/2305.02285

Sub-Jovian desert of exoplanets at its boundaries. Parameter dependence along the main sequence
https://arxiv.org/abs/2301.01065

VaTEST II: Statistical Validation of 11 Exoplanets of TESS Orbiting K-type Stars
https://arxiv.org/abs/2301.09865

May 03, 2023 updates

Formation of Amino Acids and Carboxylic Acids in Weakly Reducing Planetary Atmospheres by Solar Energetic Particles from the Young Sun
https://www.mdpi.com/2075-1729/13/5/1103

Simulation of the Earth’s radio-leakage from mobile towers as seen from selected nearby stellar systems
https://academic.oup.com/mnras/article/522/2/2393/7028804

Possible origin of the non-detection of metastable He I in the upper atmosphere of the hot Jupiter WASP-80b
https://www.aanda.org/articles/aa/full_html/2023/05/aa45667-22/aa45667-22.html

Numerical Simulations of Tidal Deformation and Resulting Light Curves of Small Bodies: Material Constraints of 99942 Apophis and 1I/’Oumuamua
https://iopscience.iop.org/article/10.3847/PSJ/acccef

Revised Properties and Dynamical History for the HD 17156 System
https://arxiv.org/abs/2305.01000

Interior-atmosphere modelling to assess the observability of rocky planets with JWST
https://arxiv.org/abs/2305.01250

May 02, 2023 updates

Relativistic gravitational force
https://link.springer.com/article/10.1007/s10569-023-10138-3

High Tide or Rip-Tide on the Cosmic Shoreline? A Water-Rich Atmosphere or Stellar Contamination for the Warm Super-Earth GJ 486b from JWST Observations
https://arxiv.org/abs/2305.00868

Formation of Gaps in Self-gravitating Debris Disks by Secular Resonance in a Single-planet System. II. Towards a Self-consistent Model
https://arxiv.org/abs/2305.00951

On the radial distribution of giant exoplanets at Solar System scales
https://arxiv.org/abs/2305.00047

Small Planets Around Cool Dwarfs: Enhanced Formation Efficiency of Super-Earths around M dwarfs
https://arxiv.org/abs/2305.00803

Star-Planet Interaction at radio wavelengths in YZ Ceti: Inferring planetary magnetic field
https://arxiv.org/abs/2305.00809

DREAM II. The spin-orbit angle distribution of close-in exoplanets under the lens of tides
https://arxiv.org/abs/2305.00829