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.

February 5, 2024 Updates

Teegarden’s Star revisited: A nearby planetary system with at least three planets
https://arxiv.org/abs/2402.00923

Exoplanet Analog Observations of Earth from Galileo Disk-integrated Photometry
https://arxiv.org/abs/2402.00984

Dracula’s Chivito: discovery of a large edge-on protoplanetary disk with Pan-STARRS
https://arxiv.org/abs/2402.01063

The evolution of lithium in FGK dwarf stars. Influence of planets and Galactic migration
https://arxiv.org/abs/2402.01315

The 3D structure of disc-instability protoplanets
https://arxiv.org/abs/2402.01432

Recovery and Classification of Spherules from the Pacific Ocean Site of the CNEOS 2014 January 8 (IM1) Bolide
https://iopscience.iop.org/article/10.3847/2515-5172/ad2370

A study of an interstellar object explorer (IOE) mission
https://www.sciencedirect.com/science/article/abs/pii/S003206332400014X

Protoplanetary and debris disks in the η Chamaeleontis Association – A submillimeter survey obtained with APEX/LABOCA observations
https://www.aanda.org/articles/aa/full_html/2024/02/aa46655-23/aa46655-23.html

February 02, 2024 updates

β Pictoris b through the eyes of the upgraded CRIRES+ – Atmospheric composition, spin rotation, and radial velocity
https://www.aanda.org/articles/aa/full_html/2024/02/aa47846-23/aa47846-23.html

An extensively validated C/H/O/N chemical network for hot exoplanet disequilibrium chemistry
https://www.aanda.org/articles/aa/full_html/2024/02/aa46680-23/aa46680-23.html

Dynamical Architectures of S-type Transiting Planets in Binaries. I. Target Selection Using Hipparcos and Gaia Proper Motion Anomalies
https://iopscience.iop.org/article/10.3847/1538-3881/ad1189

Quantifying the Effect of Short-timescale Stellar Activity Upon Transit Detection in M Dwarfs
https://arxiv.org/abs/2402.00115

The Sonora Substellar Atmosphere Models. III. Diamondback: Atmospheric Properties, Spectra, and Evolution for Warm Cloudy Substellar Objects
https://arxiv.org/abs/2402.00758

The Sonora Substellar Atmosphere Models. IV. Elf Owl: Atmospheric Mixing and Chemical Disequilibrium with Varying Metallicity and C/O Ratios
https://arxiv.org/abs/2402.00756

February 01, 2024 updates

A Note on the Vukotić-Gordon Mini-Earths
https://ui.adsabs.harvard.edu/abs/2023SerAJ.207…53C/abstract

On the Wormhole–Warp Drive Correspondence
https://arxiv.org/abs/2401.15136

Astrophilosophy, Exotheology, and Cosmic Religion: Extraterrestrial Life in a Process Universe
https://www.indigo.ca/en-ca/astrophilosophy-exotheology-and-cosmic-religion-extraterrestrial-life-in-a-process-universe/9781666944365.html

Exoplanet Analog Observations of Earth from Galileo Disk-integrated Photometry
https://iopscience.iop.org/article/10.3847/1538-3881/ad1bd1

Revised Architecture and Two New Super-Earths in the HD 134606 Planetary System
https://arxiv.org/abs/2401.17415

Precise mass measurement of OGLE-2013-BLG-0132/MOA-2013-BLG-148: a Saturn mass planet orbiting an M-dwarf
https://arxiv.org/abs/2401.17549

The GAPS Programme at TNG. LIII. New insights on the peculiar XO-2 system
https://arxiv.org/abs/2401.17876

January 31, 2024 updates

An ESPRESSO view of the HD 189733 system – Broadband transmission spectrum, differential rotation, and system architecture
https://www.aanda.org/articles/aa/full_html/2024/02/aa46366-23/aa46366-23.html

Into the radius valley
https://academic.oup.com/astrogeo/article-abstract/65/1/1.14/7591662

Astrobiology: life detection and the abiotic baseline
https://academic.oup.com/astrogeo/article-abstract/65/1/1.23/7591654

The Strength and Variability of the Helium 10830 Å Triplet in Young Stars, with Implications for Exosphere Detection
https://iopscience.iop.org/article/10.3847/1538-3881/ad0f22

A Radio Technosignature Search of Six Resonant Sub-Neptunes Orbiting HD 110067
https://iopscience.iop.org/article/10.3847/2515-5172/ad235f

Transiting exoplanets with the Mid-InfraRed Instrument on board the James Webb Space Telescope: From simulations to observations
https://www.aanda.org/component/article?access=doi&doi=10.1051/0004-6361/202347127

Planet Occurrence from Doppler and transit surveys, 2nd ed
https://arxiv.org/abs/2401.16451

A High-Resolution Non-Detection of Escaping Helium In The Ultra-Hot Neptune LTT 9779b: Evidence for Weakened Evaporation
https://arxiv.org/abs/2401.16474

Airy worlds or barren rocks? On the survivability of secondary atmospheres around the TRAPPIST-1 planets
https://arxiv.org/abs/2401.16490

Signs of magnetic star-planet interactions in HD 118203. TESS detects stellar variability that matches the orbital period of a close-in eccentric Jupiter-sized companion
https://arxiv.org/abs/2401.17272

The high-energy environment of the heavy sub-Earth GJ 367 b indicates likely complete evaporation of its atmosphere
https://arxiv.org/abs/2401.17302

Unraveling Variability and Estimating Mass Loss of Exoplanets in the Triplet Star System LTT 1445
https://arxiv.org/abs/2401.17303

Poynting-Robertson damping of laser beam driven lightsails
https://arxiv.org/abs/2401.16924

January 30, 2024 updates

Theoretical Possibility of Quantum Stabilization of Traversable Wormholes
https://ipipublishing.org/index.php/ipil/article/view/47/35

Domains of life sciences in spacefaring: what, where, and how to get involved
https://link.springer.com/article/10.1038/s41526-024-00354-y

Magnetic Reconnection at Planetary Bodies and Astrospheres
https://link.springer.com/article/10.1007/s11214-023-01017-2

Activity of the Young Solar Analog HD 109833 and Estimates of the Mass Loss Rate from the Atmospheres of Its Two Planets
https://link.springer.com/article/10.1134/S1063773723090049

The TESS-Keck Survey. XVII. Precise Mass Measurements in a Young, High-multiplicity Transiting Planet System Using Radial Velocities and Transit Timing Variations
https://iopscience.iop.org/article/10.3847/1538-3881/ad1330

Can Isotopologues Be Used as Biosignature Gases in Exoplanet Atmospheres?
https://arxiv.org/abs/2401.15153

Muted Features in the JWST NIRISS Transmission Spectrum of Hot-Neptune LTT 9779 b
https://arxiv.org/abs/2401.15548

Discovery of two warm mini-Neptunes with contrasting densities orbiting the young K3V star TOI-815
https://arxiv.org/abs/2401.15709

Alpha Centauri: Disc Dynamics, Planet Stability, Detectability
https://arxiv.org/abs/2401.16003

Role of Planetary Radius on Atmospheric Escape of Rocky Exoplanets
https://arxiv.org/abs/2401.16211

Majority of water hides deep in the interiors of exoplanets
https://arxiv.org/abs/2401.16394