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.

October 27, 2023 updates

Detection of the infrared aurora at Uranus with Keck-NIRSPEC
https://www.nature.com/articles/s41550-023-02096-5

Venus’s atmospheric nitrogen explained by ancient plate tectonics
https://www.nature.com/articles/s41550-023-02102-w

NIGHT: a compact, near-infrared, high-resolution spectrograph to survey helium in exoplanet systems
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stad3285/7330794

Classify and Explore the Diversity of Planetary Population and Interior Properties
https://iopscience.iop.org/article/10.3847/1538-4357/acf0bf

The Inhomogeneity Effect. I. Inhomogeneous Surface and Atmosphere Accelerate Planetary Cooling
https://iopscience.iop.org/article/10.3847/1538-4357/acee66

The Inhomogeneity Effect. II. Rotational and Orbital States Impact Planetary Cooling
https://iopscience.iop.org/article/10.3847/1538-4357/ace780

The Inhomogeneity Effect. III. Weather Impacts on the Heat Flow of Hot Jupiters
https://iopscience.iop.org/article/10.3847/1538-4357/acee7d

The GAPS programme at TNG XLIX. TOI-5398, the youngest compact multi-planet system composed of an inner sub-Neptune and an outer warm Saturn
https://arxiv.org/abs/2310.16888

Long-term Orbital Period Variation of Hot Jupiters from Transiting Time Analysis using TESS Survey Data
https://arxiv.org/abs/2310.17225

Synthetic Detections of Interstellar Objects with The Rubin Observatory Legacy Survey of Space and Time
https://arxiv.org/abs/2310.17575

October 26, 2023 Updates

Time-resolved transmission spectroscopy of the ultra-hot Jupiter WASP-189 b
Https://Www.Aanda.Org/Articles/Aa/Full_Html/2023/10/Aa47262-23/Aa47262-23.Html

Jupiter Atmospheric Models and Outer Boundary Conditions for Giant Planet Evolutionary Calculations
https://iopscience.iop.org/article/10.3847/1538-4357/acf456

Stability and Detectability of Exomoons Orbiting HIP 41378 f, a Temperate Jovian Planet with an Anomalously Low Apparent Density
https://iopscience.iop.org/article/10.3847/1538-3881/ad011c

Evidence That the Occurrence Rate of Hot Jupiters around Sun-like Stars Decreases with Stellar Age
https://iopscience.iop.org/article/10.3847/1538-3881/acff71

Formation of giant planets around intermediate-mass stars
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stad3254/7330173?searchresult=1

Quantification of Electron/Positron Pairs for Matter/Anti-Matter Propulsion — Recent Experimental Results
https://arc.aiaa.org/doi/10.2514/6.2023-4731

Planetary Engulfment Prognosis within the ρ CrB System
https://arxiv.org/abs/2310.16104

Dwindling Surface Cooling of a Rotating Jovian Planet Leads to a Convection Zone that Grows to a Finite Depth
https://arxiv.org/abs/2310.16124

Breaking up with the continuous exoplanet mass-radius relation
https://arxiv.org/abs/2310.16733

October 25, 2023 updates

The giant nature of WD 1856 b implies that transiting rocky planets are rare around white dwarfs
https://arxiv.org/abs/2310.15219

Heat-Flux Limited Cloud Activity and Vertical Mixing in Giant Planet Atmospheres with an Application to Uranus and Neptune
https://arxiv.org/abs/2310.15267

New Mass and Radius Constraints on the LHS 1140 Planets — LHS 1140 b is Either a Temperate Mini-Neptune or a Water World
https://arxiv.org/abs/2310.15490

Tilted circumbinary planetary systems as efficient progenitors of free-floating planets
https://arxiv.org/abs/2310.15603

The positional probability and true host star identification of TESS exoplanet candidates
https://arxiv.org/abs/2310.15833

A roadmap to the efficient and robust characterization of temperate terrestrial planet atmospheres with JWST
https://arxiv.org/abs/2310.15895

A New 2D Energy Balance Model For Simulating the Climates of Rapidly- and Slowly-Rotating Terrestrial Planets
https://arxiv.org/abs/2310.15992

October 24, 2023 updates

Planet Earth, Past and Present – Parallels Between Our World and its Celestial Neighbors
https://link.springer.com/book/10.1007/978-3-031-41360-5

Rewiring the Human Brain: How Extra-terrestrials Shape Humanity
https://books.google.com/books?id=Y3DdEAAAQBAJ

The Origin and Early Evolution of Life: Homochirality Emergence in Prebiotic Environments
https://liebertpub.com/doi/10.1089/ast.2023.0007

Unveiling microbial diversity in deep geothermal fluids, from current knowledge and analogous environments
https://link.springer.com/article/10.1186/s40517-023-00269-z

Quantification of Electron/Positron Pairs for Matter/Anti-Matter Propulsion — Recent Experimental Results
https://arc.aiaa.org/doi/10.2514/6.2023-4731

A Simultaneous Dual-site Technosignature Search Using International LOFAR Stations
https://iopscience.iop.org/article/10.3847/1538-3881/acf9f5

Active Metasurfaces for Non‐Rigid Light Sail Interstellar Optical Communication
https://onlinelibrary.wiley.com/doi/10.1002/adts.202300359

An analytic theory for the resolution attainable using eclipse mapping of exoplanets
https://arxiv.org/abs/2310.14245

Gaia Astrometry and MIKE+PFS Doppler Data Joint Analysis Reveals that HD 175167b is a Massive Cold Jupiter
https://arxiv.org/abs/2310.14568

The CARMENES search for exoplanets around M dwarfs. Telluric absorption corrected high S/N optical and near-infrared template spectra of 382 M dwarf stars
https://arxiv.org/abs/2310.14715

TOI-544 b: a potential water-world inside the radius valley in a two-planet system
https://arxiv.org/abs/2310.14908

Near-Infrared Transmission Spectroscopy of HAT-P-18b with NIRISS: Disentangling Planetary and Stellar Features in the Era of JWST
https://arxiv.org/abs/2310.14950

Atmospheric carbon depletion as a tracer of water oceans and biomass on temperate terrestrial exoplanets
https://arxiv.org/abs/2310.14987

Searching for Planets Orbiting Fomalhaut with JWST/NIRCam
https://arxiv.org/abs/2310.15028

The Potential of Detecting Nearby Terrestrial Planets in the HZ with Different Methods
https://arxiv.org/abs/2310.15039

HD152843 b & c: the masses and orbital periods of a sub-Neptune and a super-puff Neptune
https://arxiv.org/abs/2310.15068

Separated twins or just siblings? A multi-planet system around an M dwarf including a cool sub-Neptune
https://arxiv.org/abs/2310.15118

Magnetic Fusion Plasma Drive
https://arxiv.org/abs/2309.11524

Astronomical Anomalies: Their Role in the Quest for Extraterrestrial Life
https://arxiv.org/abs/2310.14895

October 23, 2023 Updates

The sulfur species in hot rocky exoplanet atmospheres
https://onlinelibrary.wiley.com/doi/10.1002/asna.20230075

Using cGANs for Anomaly Detection: Identifying Astronomical Anomalies in JWST Imaging
https://iopscience.iop.org/article/10.3847/2515-5172/acff65

Probing Reflection from Aerosols with the Near-infrared Dayside Spectrum of WASP-80b
https://iopscience.iop.org/article/10.3847/2041-8213/acfee9

Detecting Technosignatures from Earth-scale Civilizations
https://iopscience.iop.org/article/10.3847/1538-4357/acf56c

GJ 357 d: Potentially Habitable World or Agent of Chaos?
https://iopscience.iop.org/article/10.3847/1538-3881/acff5a

A Search for Technosignatures Around 11,680 Stars with the Green Bank Telescope at 1.15–1.73 GHz
https://iopscience.iop.org/article/10.3847/1538-3881/acfda4

Constraining the formation history of the TOI-1338/BEBOP-1 circumbinary planetary system
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stad3216/7326799?searchresult=1

Making hot Jupiters in stellar clusters II: efficient formation in binary systems
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stad3207/7326776?searchresult=1

Self-Consistent Modeling of Metastable Helium Exoplanet Transits
https://arxiv.org/abs/2310.13052

OGLE-2014-BLG-0221Lb: A Jupiter Mass Ratio Companion Orbiting either a Late-Type Star or a Stellar Remnant
https://arxiv.org/abs/2310.13066

Survival in the Neptune desert: LTT 9779 b kept its atmosphere thanks to an unusually X-ray faint host star
https://arxiv.org/abs/2310.13171

Imaging detection of the inner dust belt and the four exoplanets in the HR8799 system with JWST’s MIRI coronagraph
https://arxiv.org/abs/2310.13414

Masses, Revised Radii, and a Third Planet Candidate in the "Inverted" Planetary System Around TOI-1266
https://arxiv.org/abs/2310.13496

A hot mini-Neptune and a temperate, highly eccentric sub-Saturn around the bright K-dwarf TOI-2134
https://arxiv.org/abs/2310.13623