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 28, 2022 updates

The HD 93963 A transiting system: A 1.04 d super-Earth and a 3.65 d sub-Neptune discovered by TESS and CHEOPS
https://www.aanda.org/articles/aa/full_html/2022/11/aa43093-22/aa43093-22.html

Toward a multidimensional analysis of transmission spectroscopy – III. Modeling 2D effects in retrievals with TauREx
https://www.aanda.org/articles/aa/full_html/2022/11/aa43492-22/aa43492-22.html

Interstellar Object Accessibility and Mission Design
https://arxiv.org/abs/2210.14980

The TESS Grand Unified Hot Jupiter Survey. II. Twenty New Giant Planets
https://arxiv.org/abs/2210.15473

October 27, 2022 updates

Revisiting Radial Velocity Measurements of the K2-18 System with the Line-by-Line Framework
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stac3024/6767604

A new method for finding nearby white dwarfs exoplanets and detecting biosignatures
https://academic.oup.com/mnras/article-abstract/517/2/2622/6747139

Search for an Alien Message to a Nearby Star
https://iopscience.iop.org/article/10.3847/1538-3881/ac9610

Non-detection of He I in the Atmosphere of GJ 1214b with Keck/NIRSPEC, at a Time of Minimal Telluric Contamination
https://iopscience.iop.org/article/10.3847/2041-8213/ac88c9

Community Report from the Biosignatures Standards of Evidence Workshop
https://arxiv.org/abs/2210.14293

A search for planetary transits on a set of 1.4 million multi-sector DIAmante lightcurves
https://arxiv.org/abs/2210.14559

TOI-1075 b: A Dense, Massive, Ultra-Short Period Hot Super-Earth Straddling the Radius Gap
https://arxiv.org/abs/2210.14901

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