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.

March 27, 2024 updates

Identifying Exoplanet Candidates Using WaveCeptionNet
https://iopscience.iop.org/article/10.3847/1538-3881/ad298f

A Formally Motivated Retrieval Framework Applied to the High-resolution Transmission Spectrum of HD 189733 b
https://iopscience.iop.org/article/10.3847/1538-3881/ad2c8b

The instability mechanism of compact multiplanet systems
https://arxiv.org/abs/2403.17928

A Perfect Tidal Storm: HD 104067 Planetary Architecture Creating an Incandescent World
https://arxiv.org/abs/2403.17062

Vortex Fiber Nulling for Exoplanet Observations: First Direct Detection of M Dwarf Companions around HIP 21543, HIP 94666, and HIP 50319
https://arxiv.org/abs/2403.17295

A possibly solar metallicity atmosphere escaping from HAT-P-32b revealed by Hα and He absorption
https://arxiv.org/abs/2403.17325

Interior Controls on the Habitability of Rocky Planets
https://arxiv.org/abs/2403.17630

Looking For Timing Variations in the Transits of 16 Exoplanets
https://arxiv.org/abs/2403.17690

March 26, 2024 updates

Helium in Exoplanet Exospheres: Orbital and Stellar Influences
https://arxiv.org/abs/2403.15575

Stellar obliquity measurements of six gas giants
https://arxiv.org/abs/2403.15631

Parallax Effect in Microlensing Events due to Free-Floating Planets
https://arxiv.org/abs/2403.16089

Follow-up LOFAR observations of the τ Boötis exoplanetary system
https://arxiv.org/abs/2403.16392

Precise characterisation of HD 15337 with CHEOPS: a laboratory for planet formation and evolution
https://arxiv.org/abs/2403.16621

Direct detection and characterization of exoplanets using imaging Fourier transform spectroscopy
https://arxiv.org/abs/2310.15231

March 25, 2024 Updates

Biogenic sulfur gases as biosignatures on temperate sub-Neptune waterworlds
https://arxiv.org/abs/2403.14805

A reanalysis of the LHS 1140 b atmosphere observed with the Hubble Space Telescope
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stae823/7634375?searchresult=1

Phase diagram and thermo-elastic properties of Fe-S compounds up to 15 GPa: Thermodynamic constraints on the core of medium-sized telluric planets
https://www.sciencedirect.com/science/article/pii/S0012821X24001092

March 22, 2024 updates

The PFS View of TOI-677 b: A Spin–Orbit Aligned Warm Jupiter in a Dynamically Hot System
https://iopscience.iop.org/article/10.3847/1538-3881/ad2855

An Approach for Exoplanet Detection using Machine Learning By IJISRT
https://www.ijisrt.com/an-approach-for-exoplanet-detection-using-machine-learning

Characterization of starspots on a young M-dwarf K2-25: multi-band observations of stellar photometric variability and planetary transits
https://arxiv.org/abs/2403.13946

An Agnostic Biosignature Based on Modeling Panspermia and Terraformation
https://arxiv.org/abs/2403.14195

March 21, 2024 updates

At least one in a dozen stars shows evidence of planetary ingestion
https://www.nature.com/articles/s41586-024-07091-y

Coupling haze and cloud microphysics in WASP-39b’s atmosphere based on JWST observations
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stae826/7632778

Superflare Rate Variability on M Dwarfs
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stae818/7632773

A Proposal for Enhancing Technosignature Search toward the Galactic Center
https://iopscience.iop.org/article/10.3847/1538-4357/ad2a48

Confirming the Warm and Dense Sub-Saturn TIC 139270665 b with the Automated Planet Finder and Unistellar Citizen Science Network
https://iopscience.iop.org/article/10.3847/1538-3881/ad2772

Sites of Planet Formation in Binary Systems. I. Evidence for Disk-Orbit Alignment in the Close Binary FO Tau
https://arxiv.org/abs/2403.13045

LHS 1140 b is a potentially habitable water world
https://arxiv.org/abs/2403.13265