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.

November 23, 2020 updates

The Timing of Evolutionary Transitions Suggests Intelligent Life Is Rare
https://liebertpub.com/doi/10.1089/ast.2019.2149

Spectropolarimetry of Primitive Phototrophs as Global Surface Biosignatures
https://liebertpub.com/doi/10.1089/ast.2020.2272

Gaia search for stellar companions of TESS Objects of Interest
https://onlinelibrary.wiley.com/doi/10.1002/asna.202013825

Correcting the effect of stellar spots on ARIEL transmission spectra
https://arxiv.org/abs/2011.10085

Methane as a dominant absorber in the habitable-zone sub-Neptune K2-18 b
https://arxiv.org/abs/2011.10424

Orbital evolution of potentially habitable planets of tidally interacting binary stars
https://arxiv.org/abs/2011.10430

1D atmospheric study of the temperate sub-Neptune K2-18b
https://arxiv.org/abs/2011.10459

Evidence for chromium hydride in the atmosphere of Hot Jupiter WASP-31b
https://arxiv.org/abs/2011.10558

Vetting of 384 TESS Objects of Interest with TRICERATOPS and Statistical Validation of 12 Planet Candidates
https://arxiv.org/abs/2002.00691

November 20, 2020 updates

Near-infrared Opacity of Late M Dwarfs and Hot Jupiters: The E 3Π–X 3Δ Transition of TiO
https://iopscience.iop.org/article/10.3847/1538-4357/abc24c

JWST Transit Spectra. II. Constraining Aerosol Species, Particle-size Distributions, Temperature, and Metallicity for Cloudy Exoplanets
https://iopscience.iop.org/article/10.3847/1538-4357/abbc6c

A Closer Look at Exoplanet Occurrence Rates: Considering the Multiplicity of Stars Without Detected Planets
https://arxiv.org/abs/2011.09564

November 19, 2020 updates

Kozai Migration Naturally Explains the White Dwarf Planet WD1856 b
https://iopscience.iop.org/article/10.3847/2041-8213/abc564

Survivor Bias: Divergent Fates of the Solar System’s Ejected versus Persisting Planetesimals
https://iopscience.iop.org/article/10.3847/2041-8213/abc55f

A collage of small planets from the Lick Carnegie Exoplanet Survey : Exploring the super-Earth and sub-Neptune mass regime
https://arxiv.org/abs/2011.08867

The Probability that a Rocky Planet’s Composition Reflects its Host Star
https://arxiv.org/abs/2011.08893

Eccentricity Driven Climate Effects in the Kepler-1649 System
https://arxiv.org/abs/2011.09074

Brightness modulations of our nearest terrestrial planet Venus reveal atmospheric super-rotation rather than surface features
https://arxiv.org/abs/2011.09271

November 17, 2020 updates

Generation of Unbound Comets and Planets by Planetary Systems
https://link.springer.com/article/10.1134/S1063772920110098

Finding Signs of Life on Transiting Earthlike Planets: High-resolution Transmission Spectra of Earth through Time around FGKM Host Stars
https://iopscience.iop.org/article/10.3847/1538-4357/abb9b2

Direct imaging of sub-Jupiter mass exoplanets with James Webb Space Telescope coronagraphy
https://arxiv.org/abs/2011.07075

Multi-color photometry and parameters estimation of Jupiter-sized exoplanets; TRES-3b, WASP-2b and HATP-30b
https://arxiv.org/abs/2011.07169

Detection of the hydrogen Balmer lines in the ultra-hot Jupiter WASP-33b
https://arxiv.org/abs/2011.07888