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.

September 28, 2022 updates

Earth is ‘well-hidden’ from extraterrestrial civilizations hunting for habitable planets
https://physicsworld.com/a/earth-is-well-hidden-from-extraterrestrial-civilizations-hunting-for-habitable-planets/

Earth through the looking glass: how frequently are we detected by other civilizations through photometric microlensing?
https://academic.oup.com/mnras/article-abstract/515/4/5927/6640428

A New Method for Finding Nearby White Dwarf Exoplanets and Detecting Biosignatures
https://arxiv.org/abs/2209.12914

The TEMPO Survey I: Predicting Yields of the Transiting Exosatellites, Moons, and Planets from a 30-day Survey of Orion with the Nancy Grace Roman Space Telescope
https://arxiv.org/abs/2209.12916

Is LTT 1445 Ab a Hycean World or a cold Haber World? Exploring the Potential of Twinkle to Unveil Its Nature
https://arxiv.org/abs/2209.12919

GPI 2.0: Optical Designs for the Upgrade of the Gemini Planet Imager Coronagraphic system
https://arxiv.org/abs/2209.12955

September 27, 2022 updates

Abiogenesis: the Carter argument reconsidered
https://www.cambridge.org/core/journals/international-journal-of-astrobiology/article/abiogenesis-the-carter-argument-reconsidered/BBA3D5F057C5212D76E01F1A0570AB0D

HD 23472: a multi-planetary system with three super-Earths and two potential super-Mercuries
https://www.aanda.org/articles/aa/full_html/2022/09/aa44293-22/aa44293-22.html

Null transit detections of 68 radial-velocity exoplanets observed by TESS
https://www.aanda.org/articles/aa/full_html/2022/09/aa43763-22/aa43763-22.html

Lightning-induced chemistry on tidally-locked Earth-like exoplanets
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stac2722/6717659

Tidally-induced migration of TESS gas giants orbiting M dwarfs
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stac2741/6717652

Sensitive Multibeam Targeted SETI Observations toward 33 Exoplanet Systems with FAST
https://iopscience.iop.org/article/10.3847/1538-3881/ac8bd5

Breakthrough Listen Search for the WOW! Signal
https://iopscience.iop.org/article/10.3847/2515-5172/ac9408

The Inferred Abundance of Interstellar Objects of Technological Origin
https://arxiv.org/abs/2209.11262

Millimeter Dust Emission and Planetary Dynamics in the HD 106906 System
https://arxiv.org/abs/2209.11775

Formation History of HD106906 and the Vertical Warping of Debris Disks by an External Inclined Companion
https://arxiv.org/abs/2209.11778

The Impact of Phase Equilibrium Cloud Models on GCM Simulations of GJ~1214b
https://arxiv.org/abs/2209.12205

MASADA: From Microlensing Planet Mass-Ratio Function to Planet Mass Function
https://arxiv.org/abs/2209.12501

On the characterization of GJ 504: a magnetically active planet-host star observed by the Transiting Exoplanet Survey Satellite (TESS)
https://arxiv.org/abs/2209.12752

September 23, 2022 updates

Frank Drake has passed away but his equation for alien intelligence is more important than ever
https://theconversation.com/frank-drake-has-passed-away-but-his-equation-for-alien-intelligence-is-more-important-than-ever-189935

Photometry and transit modelling of exoplanet WASP-140b
https://arxiv.org/abs/2209.10582

Planet-star interactions with precise transit timing. III. Entering the regime of dynamical tides
https://arxiv.org/abs/2209.10597

Atmospheric characterization of the ultra-hot Jupiter WASP-33b: Detection of Ti and V emission lines and retrieval of a broadened line profile
https://arxiv.org/abs/2209.10618

Evidence of Long-Term Period Variations in the Exoplanet Transit Database (ETD)
https://arxiv.org/abs/2209.10752

TOI-5205b: A Jupiter transiting an M dwarf near the Convective Boundary
https://arxiv.org/abs/2209.11160

FRECKLL: Full and Reduced Exoplanet Chemical Kinetics distiLLed
https://arxiv.org/abs/2209.11203

September 22, 2022 updates

Europlanet Science Congress 2022
https://www.epsc2022.eu/

A New Third Planet and the Dynamical Architecture of the HD33142 HD 33142 Planetary System
https://iopscience.iop.org/article/10.3847/1538-3881/ac7ce0

Interstellar Meteors are Outliers in Material Strength
https://arxiv.org/abs/2209.09905

Rigel Exoplanet Geologist
https://arxiv.org/abs/2209.10111

The Sparse Atmospheric MOdel Sampling Analysis (SAMOSA)
intercomparison: Motivations and protocol version 1.0. A CUISINES model intercomparison project
https://arxiv.org/abs/2209.10480

September 21, 2022 updates

Land/Ocean Surface Diversity on Earth-like (Exo)planets: Implications for Habitability
https://meetingorganizer.copernicus.org/EPSC2022/EPSC2022-506.html

Tidal excitation of the obliquity of Earth-like planets in the habitable zone of M-dwarf stars
https://www.aanda.org/articles/aa/full_html/2022/09/aa44010-22/aa44010-22.html

The JWST Early Release Science Program for the Direct Imaging and Spectroscopy of Exoplanetary Systems
https://iopscience.iop.org/article/10.1088/1538-3873/ac77bd

Size does matter: Exoplanet detection with a sparse convolutional neural network
https://www.sciencedirect.com/science/article/abs/pii/S2213133722000683

TESS discovery of a super-Earth and two sub-Neptunes orbiting the bright, nearby, Sun-like star HD 22946
https://arxiv.org/abs/2209.09597

ExoClock Project III: 450 new exoplanet ephemerides from ground and space observations
https://arxiv.org/abs/2209.09673

An Exploration of Systematic Errors in Transiting Planets and Their Host Stars
https://arxiv.org/abs/2209.09266