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.

January 26, 2021 updates

Was the Wow! Signal Due to Power Beaming Leakage?
https://www.centauri-dreams.org/2021/01/22/was-the-wow-signal-due-to-power-beaming-leakage/

Analytic Estimates of the Achievable Precision on the Physical Properties of Transiting Planets Using Purely Empirical Measurements
https://arxiv.org/abs/2101.09289

The TESS-Keck Survey IV: A Retrograde, Polar Orbit for the Ultra-Low-Density, Hot Super-Neptune WASP-107b
https://arxiv.org/abs/2101.09371

Modelling the He I triplet absorption at 10830 Angstroms in the atmospheres of HD 189733 b and GJ 3470 b
https://arxiv.org/abs/2101.09393

Jupiter as an Exoplanet: Insights from Cassini Phase Curves
https://arxiv.org/abs/2101.09984

On a new formulation for energy transfer between convection and fast tides with application to giant planets and solar type stars
https://arxiv.org/abs/2101.10047

January 25, 2021 updates

Keeping the Dream Alive: Is Propellant-less Propulsion Possible?
https://www.intechopen.com/online-first/keeping-the-dream-alive-is-propellant-less-propulsion-possible

Detectability of Rocky-Vapour atmospheres on super-Earths with Ariel
https://link.springer.com/article/10.1007/s10686-020-09693-6

TOI-954 b and K2-329 b: Short-period Saturn-mass Planets that Test whether Irradiation Leads to Inflation
https://iopscience.iop.org/article/10.3847/1538-3881/abd187

A decade of radial-velocity monitoring of Vega and new limits on the presence of planets
https://arxiv.org/abs/2101.08801

Nigraha: Machine-learning based pipeline to identify and evaluate planet candidates from TESS
https://arxiv.org/abs/2101.09227

Six transiting planets and a chain of Laplace resonances in TOI-178
https://arxiv.org/abs/2101.09260

January 22, 2021 updates

Autonomous Navigation of Relativistic Spacecraft in Interstellar Space
https://arc.aiaa.org/doi/10.2514/1.G005340

Tidal Dissipation in Dual-body, Highly Eccentric, and Nonsynchronously Rotating Systems: Applications to Pluto–Charon and the Exoplanet TRAPPIST-1e
https://iopscience.iop.org/article/10.3847/PSJ/abc0f3

H2SO4 and Organosulfur Compounds in Laboratory Analogue Aerosols of Warm High-metallicity Exoplanet Atmospheres
https://iopscience.iop.org/article/10.3847/PSJ/abc558

A search for a 5th planet around HR 8799 using the star-hopping RDI technique at VLT/SPHERE
https://arxiv.org/abs/2101.08268

Sulfur Chemistry in the Atmospheres of Warm and Hot Jupiters
https://arxiv.org/abs/2101.08327

The NASA High-Resolution Speckle Interferometric Imaging Program: Validation and Characterization of Exoplanets and Their Stellar Hosts
https://arxiv.org/abs/2101.08378

A High-Contrast Search for Variability in HR 8799bc with VLT-SPHERE
https://arxiv.org/abs/2101.08514

Speckle Observations of TESS Exoplanet Host Stars: Understanding the Binary Exoplanet Host Star Orbital Period Distribution
https://arxiv.org/abs/2101.08671

January 21, 2021 updates

Habitability: a process versus a state variable framework with observational tests and theoretical implications
https://www.cambridge.org/core/journals/international-journal-of-astrobiology/article/abs/habitability-a-process-versus-a-state-variable-framework-with-observational-tests-and-theoretical-implications/25D9570A562B5AA20D54E6DD7524796E

Around which stars can TESS detect Earth-like planets? The Revised TESS Habitable Zone Catalog
https://arxiv.org/abs/2101.07898

Following up TESS Single Transits With Archival Photometry and Radial Velocities
https://arxiv.org/abs/2101.07964

Observational constraints on the formation and evolution of Neptune-class exoplanets
https://arxiv.org/abs/2101.08025

Lucky planets: how circum-binary planets survive the supernova in one of the inner-binary components
https://arxiv.org/abs/2101.08033

Characterisation of the hydrospheres of TRAPPIST-1 planets
https://arxiv.org/abs/2101.08172

January 20, 2021 updates

Terraforming the dwarf planet: Interconnected and growable Ceres megasatellite world
https://arxiv.org/abs/2011.07487

Introduction to the Interstellar Medium
https://www.cambridge.org/core/books/introduction-to-the-interstellar-medium/9811D1292C8FDC4E2D9C6F5ADE2FA306

Probing the capability of future direct imaging missions to spectrally constrain the frequency of Earth-like planets
https://arxiv.org/abs/2101.07378

Polarization of hot Jupiter systems: a likely detection of stellar activity and a possible detection of planetary polarization
https://arxiv.org/abs/2101.07411

Large Interferometer For Exoplanets (LIFE): I. Improved exoplanet detection yield estimates for a large mid-infrared space-interferometer mission
https://arxiv.org/abs/2101.07500

Kepler-411 Differential Rotation from Three Transiting Planets
https://arxiv.org/abs/2101.07692