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 17, 2021 updates

The Worlds Next Door: Looking for Habitable Planets Around Alpha Centauri
https://breakthroughinitiatives.org/news/34

NASA’s James Webb Space Telescope Primed to Lift the Haze Surrounding Sub-Neptunes
https://www.nasa.gov/feature/goddard/2021/nasa-james-webb-space-telescope-primed-to-lift-the-haze-surrounding-sub-neptunes

On the Use of Evidence and Goodness-of-fit Metrics in Exoplanet Atmosphere Interpretation
https://iopscience.iop.org/article/10.3847/2515-5172/ac3984

Automatically detecting anomalous exoplanet transits
https://arxiv.org/abs/2111.08679

Dynamics and habitability of the TESS circumbinary systems TOI-1338 and TIC-172900988
https://arxiv.org/abs/2111.08235

The tidal quality of the hot Jupiter WASP-12b
https://arxiv.org/abs/2111.08273

WASP-47: A Hot Jupiter System with Two Additional Planets Discovered by K2
https://arxiv.org/abs/1508.02411

November 16, 2021 updates

Developing An Interferometric SETI Capability Using e-MERLIN
https://www.research.manchester.ac.uk/portal/en/theses/developing-an-interferometric-seti-capability-using-emerlin(3fa9a27f-9b3d-4b17-8cd6-c519d4f4ab29).html

Exoplanet biosignatures
https://academic.oup.com/astrogeo/article-abstract/62/6/6.26/6428181

No Sub-Saturn-mass Planet Desert in the CORALIE/HARPS Radial-velocity Sample
https://iopscience.iop.org/article/10.3847/1538-3881/ac2a2b

A General Origin for Multiplanetary Systems With Significantly Misaligned USP Planets
https://iopscience.iop.org/article/10.3847/1538-3881/ac2a32

The Fishback ramjet revisited
https://www.sciencedirect.com/science/article/abs/pii/S0094576521005804

Stellar rotation and its connection to the evolution of hydrogen-dominated atmospheres of exoplanets
https://onlinelibrary.wiley.com/doi/10.1002/asna.20210077

Effects of flares on the habitable zones of M dwarfs accessible to TESS planet detections
https://onlinelibrary.wiley.com/doi/10.1002/asna.20210079

Characterization of an Instrument Model for Exoplanet Transit Spectrum Estimation through Wide Scale Analysis on HST Data
https://arxiv.org/abs/2111.07214

How does the background atmosphere affect the onset of the runaway greenhouse ?
https://arxiv.org/abs/2111.07662

Research Programs Arising from ‘Oumuamua Considered as an Alien Craft
https://arxiv.org/abs/2111.07895

How to create an artificial magnetosphere for Mars
https://arxiv.org/abs/2111.06887

November 15, 2021 Updates

Crystalline ices – Densities and comparisons for planetary and interstellar applications
https://www.sciencedirect.com/science/article/pii/S0019103521004462

A comprehensive review of Electric Solar Wind Sail concept and its applications
https://www.sciencedirect.com/science/article/abs/pii/S0376042121000683

The Obliquity of HIP 67522 b: A 17 Myr Old Transiting Hot, Jupiter-sized Planet
https://iopscience.iop.org/article/10.3847/2041-8213/ac3485

From Pebbles and Planetesimals to Planets and Dust: the Protoplanetary Disk–Debris Disk Connection
https://arxiv.org/abs/2111.06406

Inferring Shallow Surfaces on sub-Neptune Exoplanets with JWST
https://arxiv.org/abs/2111.06429

Transit Timing Variation of XO-3b: Evidence for Tidal Evolution of Hot Jupiter with High Eccentricity
https://arxiv.org/abs/2111.06551

Significant Transit Timing Offsets of 31 Hot Jupiters
https://arxiv.org/abs/2111.06678

Densified pupil spectrograph as high-precision radial velocimetry: From direct measurement of the Universe’s expansion history to characterization of nearby habitable planet candidates
https://arxiv.org/abs/2111.06766

Alleviating the transit timing variation bias in transit surveys. I. RIVERS: Method and detection of a pair of resonant super-Earths around Kepler-1705
https://arxiv.org/abs/2111.06825

November 12, 2021 updates

Transiting Exoplanet Survey Satellite (TESS) Observations of Flares and Quasi-Periodic Pulsations from Low-Mass Stars and Potential Impact on Exoplanets
https://link.springer.com/article/10.1007/s11207-021-01899-x

Atmospheric oxygenation of the early earth and earth-like planets driven by competition between land and seafloor weathering
https://link.springer.com/article/10.1186/s40623-021-01527-9

The fundamentals of Lyman-alpha exoplanet transits
https://arxiv.org/abs/2111.06094

TRIDENT: A Rapid 3D Radiative Transfer Model for Exoplanet Transmission Spectra
https://arxiv.org/abs/2111.05862

14 Her: a likely case of planet-planet scattering
https://arxiv.org/abs/2111.06004

Faint intermediate luminosity optical transients (ILOTs) from engulfing exoplanets on the Hertzsprung gap
https://arxiv.org/abs/2111.06317

Analysis of the Breakthrough Listen signal of interest blc1 with a technosignature verification framework
https://arxiv.org/abs/2111.06350

November 11, 2021 updates

Habitability Is Binary, But It Is Used by Astrobiologists to Encompass Continuous Ecological Questions
https://liebertpub.com/doi/10.1089/ast.2021.0038

Irradiation-driven escape of primordial planetary atmospheres – I. The ATES photoionization hydrodynamics code
https://www.aanda.org/articles/aa/full_html/2021/11/aa41497-21/aa41497-21.html

Contaminante: A Tool for Automatically Finding a Close-to-optimal Aperture for Transiting Signals in Kepler, K2, and TESS Data
https://iopscience.iop.org/issue/2515-5172/5/11

Vetting: A Stand-alone Tool for Finding Centroid Offsets in NASA Kepler, K2, and TESS, Alerting the Presence of Exoplanet False Positives
https://iopscience.iop.org/article/10.3847/2515-5172/ac376a

‘Oumuamua and Interstellar Travel
https://inference-review.com/letter/oumuamua-and-interstellar-travel

The New Astronomical Frontier of Interstellar Objects
https://arxiv.org/abs/2111.05516

Search for an alien communication from the Solar System to a neighbor star
https://arxiv.org/abs/2111.05334

Probing the \textit{Kepler} hottest small planets via homogeneous search and analysis of optical secondary eclipses and phase variations
https://arxiv.org/abs/2111.05716