Interstellar Updates

Signs of life on a distant planet? Not so fast, say these astronomers
https://www.nature.com/articles/d41586-025-01264-z

SILVIA: Ultra-precision formation flying demonstration for space-based interferometry
https://arxiv.org/abs/2504.05001

From Misaligned Sub-Saturns to Aligned Brown Dwarfs: The Highest Mp/M* Systems Exhibit Low Obliquities, Even around Hot Stars
https://iopscience.iop.org/article/10.3847/2041-8213/adc129

A data-driven approach for extracting exoplanetary atmospheric features
https://www.sciencedirect.com/science/article/abs/pii/S221313372500037X

Evolving Atmospheric Ion Escape from Kepler-1649 b and c: Power-Law Trends in Atmospheric Loss
https://arxiv.org/abs/2504.12541

TOI-3493 b: A planet with a Neptune-like density transiting a bright G0-type star
https://arxiv.org/abs/2504.12884

Prospects for Detecting Signs of Life on Exoplanets in the JWST Era
https://arxiv.org/abs/2504.12946

Evidence for sulfur chemistry in the atmosphere of the warm sub-Neptune TOI-270 d
https://arxiv.org/abs/2504.13039

Discovery and Dynamics of the Nontransiting Planet Kepler-139f
https://arxiv.org/abs/2504.13160

Photonic Laser Propulsion
https://www.sciencedirect.com/book/9780443336270/photonic-laser-propulsion

Evidence for a polar circumbinary exoplanet orbiting a pair of eclipsing brown dwarfs
https://www.science.org/doi/10.1126/sciadv.adu0627

A tilted “Tatooine planet” whose two suns aren’t stars at all
https://www.science.org/doi/10.1126/sciadv.adx3902

New Constraints on DMS and DMDS in the Atmosphere of K2-18 b from JWST MIRI
https://iopscience.iop.org/article/10.3847/2041-8213/adc1c8

TOI-6324 b: An Earth-mass Ultra-short-period Planet Transiting a Nearby M Dwarf
https://iopscience.iop.org/article/10.3847/2041-8213/adadd7

There’s More to Life in Reflected Light: Simulating the Detectability of a Range of Molecules for High-contrast, High-resolution Observations of Nontransiting Terrestrial Exoplanets
https://iopscience.iop.org/article/10.3847/PSJ/adc004

Inferring the interior oxygen fugacity of rocky exoplanets from observations: Assessing biases by atmospheric chemistry
https://www.researchgate.net/publication/390491344_Inferring_the_interior_oxygen_fugacity_of_rocky_exoplanets_from_observations_Assessing_biases_by_atmospheric_chemistry

Bioverse: Potentially Observable Exoplanet Biosignature Patterns Under the UV Threshold Hypothesis for the Origin of Life
https://arxiv.org/abs/2504.04261

Probing the Outskirts of M Dwarf Planetary Systems with a Cycle 1 JWST NIRCam Coronagraphy Survey
https://arxiv.org/abs/2504.11659

Radiative Flux from a High-Resolution Atmospheric Dynamics Simulation of a Hot-Jupiter for JWST and Ariel
https://arxiv.org/abs/2504.11679

Planetary albedo is limited by the above-cloud atmosphere: Implications for sub-Neptune climate
https://arxiv.org/abs/2504.12030

Unraveling the origin of giant exoplanets — Observational implications of convective mixing
https://arxiv.org/abs/2504.12118

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