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.

June 12, 2025 updates

Earth-mass planets with He atmospheres in the habitable zone of Sun-like stars
https://www.nature.com/articles/s41550-025-02550-6

75 years after Fermi’s paradox, are we any closer to finding alien life?
https://news.harvard.edu/gazette/story/2025/06/maybe-the-aliens-would-rather-not/

OGLE-2015-BLG-1609Lb: A sub-Jovian planet orbiting a low-mass stellar or brown dwarf host
https://www.aanda.org/articles/aa/full_html/2025/06/aa53454-24/aa53454-24.html

A Third Star in the HAT-P-7 System and a New Dynamical Pathway to Misaligned Hot Jupiters
https://iopscience.iop.org/article/10.3847/1538-4357/add5f7

Systematic Search for FFPs in KMTNet Full-frame Images. I. Photometry Pipeline
https://iopscience.iop.org/article/10.1088/1538-3873/add9cf

JWST Coronagraphic Images of 14 Her c: a Cold Giant Planet in a Dynamically Hot, Multi-planet System
https://arxiv.org/abs/2506.09201

Impact chronology of leftover planetesimals
https://arxiv.org/abs/2506.08499

June 11, 2025 updates

Why space exploration must not be left to a few powerful nations
https://www.nature.com/articles/d41586-025-01574-2

Silicate clouds and a circumplanetary disk in the YSES-1 exoplanet system
https://phys.org/news/2025-06-silicate-clouds-atmosphere-distant-exoplanet.html

Stable wormholes in conformal gravity
https://iopscience.iop.org/article/10.1088/1475-7516/2025/06/016

Exoplanet Ephemerides Change Observations (ExoEcho). II. Transit Timing Variation Analysis of Brown Dwarfs around Solar-type Stars
https://iopscience.iop.org/article/10.3847/1538-4357/add3f2

Characterization of the Visual Binary TOI-6883AB and its Dynamical Implications for the Planetary Companion TOI-6883Ab
https://iopscience.iop.org/article/10.3847/2515-5172/ade25d

Puffy but Cool: Investigating the Inflated Radii of TOI-7018.01 and TOI-7081.01
https://iopscience.iop.org/article/10.3847/2515-5172/ade1ce

The Epoch of Giant Planet Migration Planet Search Program. III. The Occurrence Rate of Young Giant Planets Inside the Water Ice Line
https://arxiv.org/abs/2506.08078

Planetesimal Scattering Efficiency of Cold Giant Planet Architectures
https://arxiv.org/abs/2506.08088

Constraining Ongoing Volcanic Outgassing Rates and Interior Compositions of Extrasolar Planets with Mass Measurements of Plasma Tori
https://arxiv.org/abs/2506.08177

A Multi-Species Atmospheric Escape Model with Excited Hydrogen and Helium: Application to HD209458b
https://arxiv.org/abs/2506.08232

SPECULOOS: five years hunting terrestrial planets around ultra-cool dwarfs
https://arxiv.org/abs/2506.08814

June 10, 2025 updates

MIRI-JWST mid-infrared direct imaging of the debris disk of HD 106906
https://www.aanda.org/articles/aa/full_html/2025/06/aa52302-24/aa52302-24.html

GA-NIFS: Witnessing the complex assembly of a star-forming system at z = 5.7
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf899/8157921

Coupling 1D stellar evolution with 3D-hydrodynamical simulations on-the-fly III: stellar evolution at different metallicities
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf937/8158700

Modelling shadows in scattered light observations as signals from companions in protoplanetary discs
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf925/8157926

The Impact of Fiber Cross Contamination on Radial Velocity Precision
https://iopscience.iop.org/article/10.1088/1538-3873/add9d0

Maximizing Ariel’s Survey Leverage for Population-Level Studies of Exoplanets
https://arxiv.org/abs/2506.06429

Multi-band, Multi-epoch Photometry of the Spot-crossing System TOI-3884: Refined System Geometry and Spot Properties
https://arxiv.org/abs/2506.06445

A circularly polarized low-frequency radio burst from the exoplanetary system HD 189733
https://arxiv.org/abs/2506.07912

Why M-dwarf flares have limited impact on sub-Neptunes’ atmospheric evaporation
https://arxiv.org/abs/2506.08014

June 09, 2025 updates

Chronos Orbital Mapping: Predictive Time-Density Modeling of Planetary Motion
https://zenodo.org/records/15616943

Extended linearity in the high-order wavefront sensor for the Roman Coronagraph
https://www.aanda.org/articles/aa/full_html/2025/06/aa53797-25/aa53797-25.html

C/O ratios in self-gravitating protoplanetary discs with dust evolution
https://www.cambridge.org/core/journals/publications-of-the-astronomical-society-of-australia/article/co-ratios-in-selfgravitating-protoplanetary-discs-with-dust-evolution/9AFB1C8CCC30467057A80372BE322A19

Additive Attention for Vetting Transiting Exoplanet Candidates
https://iopscience.iop.org/article/10.3847/1538-3881/add2f1

Exoplaneteers Keep Overestimating Sigma Significances
https://arxiv.org/abs/2506.05392

The TOI-1117 Multi-planetary System: 3 sub-Neptunes, 1 in both the Neptunian Desert and Radius Valley
https://arxiv.org/abs/2506.05521

DART-Vetter: A Deep LeARning Tool for automatic triage of exoplanet candidates
https://arxiv.org/abs/2506.05556

Disk Evolution Study Through Imaging of Nearby Young Stars (DESTINYS): Evidence of planet-disk interaction in the 2MASSJ16120668-3010270 system
https://arxiv.org/abs/2506.05892

TOI-2407 b: a warm Neptune in the desert
https://arxiv.org/abs/2506.06195

June 06, 2025 updates

Cosmochemistry and Astrobiology of Centaurs as Remnants of Icy Planetesimals
https://www.researchgate.net/publication/392364953_Cosmochemistry_and_Astrobiology_of_Centaurs_as_Remnants_of_Icy_Planetesimals

Interstellar Mission Design of a Fusion-Powered Spacecraft to Proxima b
https://vtechworks.lib.vt.edu/items/90b3f3e1-bb96-4006-8701-7f2e593fb009

RedDots: Panetary masses in the GJ 1061 system from planet-planet interaction
https://www.aanda.org/articles/aa/full_html/2025/06/aa52490-24/aa52490-24.html

Radial variations in the nitrogen, carbon, and hydrogen fractionation in the PDS 70 planet-hosting disk
https://www.aanda.org/articles/aa/full_html/2025/06/aa54172-25/aa54172-25.html

sunset: A database of synthetic atmospheric-escape transmission spectra for nearly every transiting planet
https://www.aanda.org/articles/aa/full_html/2025/06/aa52431-24/aa52431-24.html

Searching for Additional Planets in TESS Multiplanet Systems: Testing Empirical Models Based on Kepler Data
https://iopscience.iop.org/article/10.3847/1538-3881/adcd71

Minimizing Star-spot Contamination of Exoplanet Transit Spectroscopy Using Alternate Normalization
https://iopscience.iop.org/article/10.3847/1538-3881/add531

From Pretransit to Posteclipse: Investigating the Impact of 3D Temperature, Chemistry, and Dynamics on High-resolution Emission Spectra of the Ultrahot Jupiter WASP-76b
https://iopscience.iop.org/article/10.3847/1538-4357/add341

Cosmic fertilization? Implantation of astrobiologically relevant cosmic rays in molecular clouds
https://www.sciencedirect.com/science/article/abs/pii/S2214552425000720

An overlooked Schelling point candidate for optical SETI: ‘MiM’
https://www.sciencedirect.com/science/article/abs/pii/S0094576525003455

Planet Earth in reflected and polarized light: II. Refining contrast estimates for rocky exoplanets with ELT and HWO
https://arxiv.org/abs/2506.04348

The Age and High Energy Environment of the Very Young Transiting Exoplanet TOI 1227b
https://arxiv.org/abs/2506.04440

Radio prospects of extrasolar aurorae polaris as a probe of planetary magnetism
https://arxiv.org/abs/2506.04604

Searching for helium escape and a low density atmosphere around the 120 Myr old sub-Neptune HIP94235b using CRIRES+
https://arxiv.org/abs/2506.04605

Three Hot Jupiters transiting K-dwarfs with a significant heavy element mass
https://arxiv.org/abs/2506.04923