Interstellar Updates

Global Mean-Motion Resonances: Part I—An Exceptional Multiplanetary Resonant Chain in TOI-270 and an Exact Laplace-like Resonance in HD 110067
https://www.mdpi.com/2075-4434/13/2/42

Deciphering Sub-Neptune Atmospheres: New Insights from Geochemical Models of TOI-270 d
https://arxiv.org/abs/2504.09752

The Comet Interceptor Mission
https://link.springer.com/article/10.1007/s11214-023-01035-0

Project Lyra – Exploring Interstellar Objects
https://i4is.org/what-we-do/technical/project-lyra

The SPIRou Legacy Survey – Near-infrared and optical radial velocity analysis of Gl 480 and Gl 382 using SPIRou, HARPS and CARMENES spectrographs
https://www.aanda.org/articles/aa/full_html/2025/04/aa47814-23/aa47814-23.html

Occurrence Rates of Accreting Companions from a New Method for Computing Emission-line Survey Sensitivity: Application to the Hα Giant Accreting Protoplanet Survey
https://iopscience.iop.org/article/10.3847/1538-3881/adc09d

RedDots: Planetary masses in the GJ1061 system from planet-planet interaction
https://arxiv.org/abs/2504.10926

Tidal interactions in stellar and planetary systems
https://arxiv.org/abs/2504.10941

Keplerian motion of a compact source orbiting the inner disk of PDS 70: A third protoplanet in a resonance with b and c?
https://arxiv.org/abs/2504.11127

Differentiating Formation Models with New Dynamical Masses for the PDS 70 Protoplanets
https://arxiv.org/abs/2504.11210

Water-cooled (sub)-Neptunes get better gas mileage
https://www.aanda.org/articles/aa/full_html/2025/04/aa53667-25/aa53667-25.html

Transit-APP: A Centroid-free Method of Identifying Background Transit False Positives
https://iopscience.iop.org/article/10.3847/2515-5172/adcb3a

An Analysis of Spitzer Phase Curves for WASP-121b and WASP-77Ab
https://iopscience.iop.org/article/10.3847/1538-3881/adc0a4

HST SHEL: Revealing Haze and Confirming Elevated Metallicity in the Warm Neptune HAT-P-26b
https://iopscience.iop.org/article/10.3847/1538-3881/adc1c1

Unveiling the atmosphere of the super-Jupiter HAT-P-14 b with JWST NIRISS and NIRSpec
https://arxiv.org/abs/2504.08903

Precise radial velocities of giant stars — XVII. Distinguishing planets from intrinsically induced radial velocity signals in evolved stars
https://arxiv.org/abs/2504.09087

Deciphering Sub-Neptune Atmospheres: New Insights from Geochemical Models of TOI-270 d
https://arxiv.org/abs/2504.09752

Polarimetry of exoplanet-exomoon systems
https://arxiv.org/abs/2504.10126

Astroethics and Interstellar Communication
https://link.springer.com/chapter/10.1007/978-3-031-83085-3_124

Global Mean-Motion Resonances: Part II—Laplace-like Phase Angles to Facilitate Libration Searches in Multiplanetary N-body Simulations
https://www.mdpi.com/2075-4434/13/2/41

A mini-TRAPPIST-1 system around Barnard’s Star
https://www.nature.com/articles/s41550-025-02543-5

Dinner with a Star: Stellar Engulfment of Exoplanet Systems
https://iopscience.iop.org/article/10.3847/2515-5172/adcb36

Long-term evolution of the temperature structure in magnetized protoplanetary disks and its implication for the dichotomy of planetary composition
https://arxiv.org/abs/2504.08042

A Swarm of WASP Planets: Nine giant planets identified by the WASP survey
https://arxiv.org/abs/2504.08091

The CARMENES search for exoplanets around M dwarfs. Cluster analysis of signals from spectral activity indicators to search for shared periods
https://arxiv.org/abs/2504.08363

Bifurcated Evolutionary Pathways in Multi-planet Systems Driven by Misaligned Protoplanetary Disks
https://arxiv.org/abs/2504.08436

Revealing a Main-sequence Star that Consumed a Planet with JWST
https://iopscience.iop.org/article/10.3847/1538-4357/adb429

Energy-ordered resource stratification as an agnostic signature of life
https://www.nature.com/articles/s41467-025-58206-6

Keplerian motion of a compact source orbiting the inner disk of PDS 70: A third protoplanet in a resonance with b and c?
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf586/8110708

Hα Variability of AB Aur b with the Hubble Space Telescope: Probing the Nature of a Protoplanet Candidate with Accretion Light Echoes
https://iopscience.iop.org/article/10.3847/1538-3881/adb6a1

The Minimum Mass of Planets, Dwarf Planets, and Planetary-scale Satellites
https://arxiv.org/abs/2504.07161

A new look into the atmospheric composition of WASP-39 b
https://arxiv.org/abs/2504.07823

Disc-planet misalignment from an unstable triple system: IRAS04125
https://academic.oup.com/mnrasl/advance-article/doi/10.1093/mnrasl/slaf032/8109609

Planet-comet interaction as another mechanism for formation of super-puff exoplanets
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf581/8109630

Floaters on the Surfaces of Red Dwarfs
https://iopscience.iop.org/article/10.3847/2515-5172/adc9af

JWST COMPASS: NIRSpec/G395H Transmission Observations of TOI-776 c, a 2 R⊕ M Dwarf Planet
https://iopscience.iop.org/article/10.3847/1538-3881/adb975

The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems. III. Aperture Masking Interferometric Observations of the Star HIP 65426 at 3.8 μm
https://iopscience.iop.org/article/10.3847/2041-8213/adaeb7

The likelihood of not detecting cavity-carving companions in transition discs — A statistical approach
https://arxiv.org/abs/2504.06337

Photobombing for the Large Interferometer For Exoplanets (LIFE). A new criterion for target confusion and application to a MIR rotating nulling interferometer
https://arxiv.org/abs/2504.06776

TOI-6478 b: a cold under-dense Neptune transiting a fully convective M dwarf from the thick disc
https://arxiv.org/abs/2504.06848

Combining high-contrast imaging with high-resolution spectroscopy: Actual on-sky MIRI/MRS results compared to expectations
https://arxiv.org/abs/2504.06890

Characterizing planetary material accreted by cool helium atmosphere white dwarfs using an exponentially decaying disc model
https://arxiv.org/abs/2503.05345