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.

July 21, 2021 updates

Phosphine on Venus Cannot Be Explained by Conventional Processes
https://liebertpub.com/doi/10.1089/ast.2020.2352

The NEID Spectrograph
https://neid.psu.edu/

Constraints on the nearby exoplanet ϵ Indi Ab from deep near- and mid-infrared imaging limits
https://www.aanda.org/articles/aa/abs/2021/07/aa40730-21/aa40730-21.html

Confirmation of the Long-Period Planet Orbiting Gliese 411 and the Detection of a New Planet Candidate
https://arxiv.org/abs/2107.09087

Into the Storm: Diving into the winds of the ultra hot Jupiter WASP-76 b with HARPS and ESPRESSO
https://arxiv.org/abs/2107.09530

Why do more massive stars host larger planets?
https://arxiv.org/abs/2107.09534

Light-Sail Photonic Design for Fast-Transit Earth Orbital Maneuvering and Interplanetary Flight
https://arxiv.org/abs/2107.09121

July 20, 2021 updates

A differentiable N-body code for transit timing and dynamical modeling – I. Algorithm and derivatives
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stab2044/6324024

Super-Earths and Sub-Neptunes Are Insensitive to Stellar Metallicity
https://iopscience.iop.org/article/10.3847/1538-3881/ac0431

Wolf 503 b: Characterization of a Sub-Neptune Orbiting a Metal-Poor K Dwarf
https://arxiv.org/abs/2107.08092

The post-transit tail of WASP-107b observed at 10830A
https://arxiv.org/abs/2107.08999

July 19, 2021 updates

Water activity in Venus’s uninhabitable clouds and other planetary atmospheres
https://www.nature.com/articles/s41550-021-01391-3

SETI in 2020
https://arxiv.org/abs/2107.07512

The Magnetic Mechanism for Hotspot Reversals in Hot Jupiter Atmospheres
https://arxiv.org/abs/2107.07515

Hiding Planets Near and Far: Predicting Hidden Companions for Known Planetary Systems
https://arxiv.org/abs/2107.07529

Stellar Wind Confinement of Evaporating Exoplanet Atmospheres and its Signatures in 1083 nm Observations
https://arxiv.org/abs/2107.07534

ExoPlaSim: Extending the Planet Simulator for Exoplanets
https://arxiv.org/abs/2107.07685

July 16, 2021 updates

Giant Outer Transiting Exoplanet Mass (GOT ‘EM) Survey. II. Discovery of a Failed Hot Jupiter on a 2.7 Year, Highly Eccentric Orbit
https://arxiv.org/abs/2107.06901

Detection and Bulk Properties of the HR 8799 Planets with High Resolution Spectroscopy
https://arxiv.org/abs/2107.06949

New Observations of the Eclipsing Binary System NY Vir and its Candidate Circumbinary Planets
https://arxiv.org/abs/2107.07003

Grain Growth in Escaping Atmospheres: Implications for the Radius Inflation of Super-Puffs
https://arxiv.org/abs/2107.07027

Haze Evolution in Temperate Exoplanet Atmospheres Through Surface Energy Measurements
https://arxiv.org/abs/2107.07069

Planetary Migration
https://arxiv.org/abs/2107.07269

Strategies and Advice for the Search for Extraterrestrial Intelligence
https://arxiv.org/abs/2107.07283

July 15, 2021 updates

The 13CO-rich atmosphere of a young accreting super-Jupiter
https://www.nature.com/articles/s41586-021-03616-x

MOA-2007-BLG-400 A Super-Jupiter-mass Planet Orbiting a Galactic Bulge K-dwarf Revealed by Keck Adaptive Optics Imaging
https://iopscience.iop.org/article/10.3847/1538-3881/abfec5

Exoplanets with ELT-METIS I: Estimating the direct imaging exoplanet yield around stars within 6.5 parsecs
https://arxiv.org/abs/2107.06375

The Impact of Stellar Clustering on the Observed Multiplicity of Super-Earth systems: Outside-in Cascade of Orbital Misalignments Initiated by Stellar Flybys
https://arxiv.org/abs/2107.06412

A Universal Cloud Composition on the Nightsides of Hot Jupiters
https://arxiv.org/abs/2107.06417

On The Spin Dynamics of Elongated Minor Bodies with Applications to a Possible Solar System Analogue Composition for `Oumuamua
https://arxiv.org/abs/2107.06834

SETI strategy with FAST fractality
https://arxiv.org/abs/2104.07334

An integrable model for first-order three-planet mean motion resonances
https://arxiv.org/abs/2107.06299