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 26, 2022 updates

Transmission spectroscopy of WASP-7 b with UVES — Detection of Na I D2 and tentative D1 line absorption
https://arxiv.org/abs/2210.08517

Metal-silicate partitioning of W and Mo and the role of carbon in controlling their abundances in the Bulk Silicate Earth
https://arxiv.org/abs/2210.14028

Rossiter-McLaughlin detection of the 9-month period transiting exoplanet HIP41378 d
https://arxiv.org/abs/2210.14125

Deep orbital search for additional planets in the HR 8799 system
https://arxiv.org/abs/2210.14213

On the Role of 40K in the Origin of Terrestrial Life
https://arxiv.org/abs/2210.13995

October 25, 2022 updates

A warm super-Neptune around the G-dwarf star TOI-1710 revealed with TESS, SOPHIE, and HARPS-N
https://www.aanda.org/articles/aa/full_html/2022/10/aa43002-21/aa43002-21.html

Kepler and the Behemoth: Three Mini-Neptunes in a 40 Million Year Old Association
https://iopscience.iop.org/article/10.3847/1538-3881/ac93ff

MHD study of extreme space weather conditions for exoplanets with Earth-like magnetospheres: On habitability conditions and radio-emission
https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2022SW003164

Simple Stochastic Modeling of Snowball Probability Throughout Earth History
https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2022GC010611

Radio-Loud Exoplanet-Exomoon Survey (RLEES): GMRT Search for Electron Cyclotron Maser Emission
https://arxiv.org/abs/2210.13298

Independent validation of the temperate Super-Earth HD79211 b using HARPS-N
https://arxiv.org/abs/2210.12211

Systematic KMTNet Planetary Anomaly Search, Paper VII: Complete Sample of q<10−4 Planets from the First Four-Year Survey
https://arxiv.org/abs/2210.12344

L 363-38 b: a planet newly discovered with ESPRESSO orbiting a nearby M dwarf star
https://arxiv.org/abs/2210.12710

The Mantis Network III: A titanium cold-trap on the ultra-hot Jupiter WASP-121 b
https://arxiv.org/abs/2210.12847

3D modelling of the impact of stellar activity on tidally locked terrestrial exoplanets: atmospheric composition and habitability
https://arxiv.org/abs/2210.13257

The three regimes of atmospheric evaporation
https://arxiv.org/abs/2210.13346

October 24, 2022 Updates

Activity of the Young Star with an Exoplanet Kepler-1627
https://link.springer.com/article/10.1134/S1063773722040041

Color Dependence of the Transit Detectability of Young Active M Dwarfs
https://iopscience.iop.org/article/10.3847/1538-3881/ac937d

Hot subdwarfs in close binaries observed from space
I. Orbital, atmospheric, and absolute parameters, and the nature of their companions
https://www.aanda.org/articles/aa/full_html/2022/10/aa44214-22/aa44214-22.html

Gap-opening Planets Make Dust Rings Wider
https://arxiv.org/abs/2210.11488

Constraints on planetary tidal dissipation from a detailed study of Kepler 91b
https://arxiv.org/abs/2210.11535

X-Ray Luminous Supernovae: Threats to Terrestrial Biospheres
https://arxiv.org/abs/2210.11622

Production of hot Jupiter candidates from high-eccentricity mechanisms for different initial planetary mass configurations
https://arxiv.org/abs/2210.11760

Ground-based Optical Transmission Spectroscopy of the Nearby Terrestrial Exoplanet LTT 1445Ab
https://arxiv.org/abs/2210.11809

The effect of collisional erosion on the composition of Earth-analog planets in Grand Tack models: Implications for the formation of the Earth
https://arxiv.org/abs/2210.11896

The Mantis Network II: Examining the 3D high-resolution observable properties of the UHJs WASP-121b and WASP-189b through GCM modelling
https://arxiv.org/abs/2210.11986

Planet Engulfment Detections are Rare According to Observations and Stellar Modeling
https://arxiv.org/abs/2210.12121

October 21, 2022 updates

Apsidal alignment and anti-alignment of planets in Mean-Motion Resonance: Disk-driven migration and eccentricity driving
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stac2914/6764734

Search for Extraterrestrial Intelligence with the ngVLA
https://iopscience.iop.org/article/10.3847/1538-3881/ac92e7

X-Ray Emission from the Exoplanet Hosting LTT 1445 Triple Star System https://iopscience.iop.org/article/10.3847/1538-3881/ac8f25

TFAW survey II: 6 Newly Validated Planets and 13 Planet Candidates from K2
https://arxiv.org/abs/2210.10805

TOI-3884 b: A rare 6-R⊕ planet that transits a low-mass star with a giant and likely polar spot
https://arxiv.org/abs/2210.10909

Lower-than-expected flare temperatures for TRAPPIST-1
https://arxiv.org/abs/2210.11103

The Key Factors Controlling the Seasonality of Planetary Climate
https://arxiv.org/abs/2210.11357

October 20, 2022 updates

Interstellar object ‘Oumuamua still puzzling scientists 5 years after discovery
https://www.space.com/oumuamua-discovery-solar-system-implications

Orbital and dynamical analysis of the system around HR 8799 – New astrometric epochs from VLT/SPHERE and LBT/LUCI
https://www.aanda.org/articles/aa/full_html/2022/10/aa43862-22/aa43862-22.html

The CARMENES search for exoplanets around M dwarfs – Stable radial-velocity variations at the rotation period of AD Leonis: A test case study of current limitations to treating stellar activity
https://www.aanda.org/articles/aa/full_html/2022/10/aa43773-22/aa43773-22.html

TIC 114936199: A Quadruple Star System with a 12 Day Outer-orbit Eclipse https://iopscience.iop.org/article/10.3847/1538-4357/ac8934

Prediction of an Earth-sized Planet Formed in the Habitable Zone of the SPECULOOS-2 System
https://iopscience.iop.org/article/10.3847/2515-5172/ac9ab8

The Key Factors Controlling the Seasonality of Planetary Climate https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2022AV000684

LavAtmos: An open source chemical equilibrium vaporisation code for lava worlds
https://arxiv.org/abs/2210.10463

Likelihood ratio map for direct exoplanet detection
https://arxiv.org/abs/2210.10609

Hubble WFC3 Spectroscopy of the Rocky Planet L 98-59 b: No Evidence for a Cloud-Free Primordial Atmosphere
https://arxiv.org/abs/2210.10699

Galactic settlement of low-mass stars as a resolution to the Fermi paradox
https://arxiv.org/abs/2210.10656

Exploration of M31 via Black-Hole Slingshots and the “Intergalactic Imperative”
https://arxiv.org/abs/2210.10622

Avoiding the “Great Filter”: Extraterrestrial Life and Humanity’s Future in the Universe
https://arxiv.org/abs/2210.10582