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.

December 20, 2021 Updates

Predicting the water content of interstellar objects from galactic star formation histories
https://arxiv.org/abs/2112.05773

Estimating fundamental parameters of nearby M dwarfs from SPIRou spectra
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stab3679/6468761?redirectedFrom=fulltext

Characterizing the WASP-4 system with TESS and radial velocity data: Constraints on the cause of the hot Jupiter’s changing orbit and evidence of an outer planet
https://arxiv.org/abs/2112.09621

Localizing flares to understand stellar magnetic fields and space weather in exo-systems
https://arxiv.org/abs/2112.09676

December 17, 2021 updates

Star Clusters, Planets, Asteroids and Comets in the Light of Big Data
http://ceur-ws.org/Vol-3036/paper16.pdf

Signatures of strong magnetization and a metal-poor atmosphere for a Neptune-sized exoplanet
https://www.nature.com/articles/s41550-021-01505-x

Identify Light-curve Signals with Deep Learning Based Object Detection Algorithm. I. Transit Detection
https://iopscience.iop.org/article/10.3847/1538-3881/ac3482

Characterization of an Instrument Model for Exoplanet Transit Spectrum Estimation through Wide-scale Analysis on HST Data
https://iopscience.iop.org/article/10.3847/1538-3881/ac341a

On Atmospheric Retrievals of Exoplanets with Inhomogeneous Terminators
https://arxiv.org/abs/2112.09125

Spectral analysis of cool white dwarfs accreting from planetary systems: from the UV to the optical
https://arxiv.org/abs/2112.08887

Analysis of the public HARPS/ESO spectroscopic archive — Jupiter-like planets around HD 103891 and HD 105779
https://arxiv.org/abs/2112.09029

December 15, 2021 updates

NASA delays launch of Webb telescope to no earlier than Dec. 24
https://spaceflightnow.com/2021/12/14/nasa-delays-launch-of-webb-telescope-to-no-earlier-than-dec-24/

A Search for Analogs of KIC 8462852 (Boyajian’s Star): A Second List of Candidates
https://iopscience.iop.org/article/10.3847/1538-3881/ac3416

GRASS: Distinguishing Planet-induced Doppler Signatures from Granulation with a Synthetic Spectra Generator
https://iopscience.iop.org/article/10.3847/1538-3881/ac32c2

Capture of interstellar objects I: the capture cross-section
https://arxiv.org/abs/2112.07468

Capture of interstellar objects II: by the Solar system
https://arxiv.org/abs/2112.07486

Regular Radial Velocity Variations in Nine G- and K-type Giant Stars: Eight Planets and One Planet Candidate
https://arxiv.org/abs/2112.07169

The similarity of multi-planet systems
https://arxiv.org/abs/2112.07413

The Sensitivity of Eclipse Mapping to Planetary Rotation
https://arxiv.org/abs/2112.07667

December 14, 2021 updates

One of the items we listed yesterday had an incorrect URL. We apologize for the error. Here is the correct listing:

BEBOP II: Sensitivity to sub-Saturn circumbinary planets using radial-velocities
https://arxiv.org/abs/2112.05652

Now, today’s list.

Determining the “Biosignature Threshold” for Life Detection on Biotic, Abiotic, or Prebiotic Worlds
https://liebertpub.com/doi/10.1089/ast.2021.0079

Atmospheric Escape Rates from Mars – If It Orbited an M Dwarf Star
https://agu.confex.com/agu/fm21/meetingapp.cgi/Paper/953768

Progress on Understanding the Influence of Planetary Magnetic Fields on Atmospheric Escape Rates
https://agu.confex.com/agu/fm21/meetingapp.cgi/Paper/947068

Venus as an Exoplanet: An Initial Exploration of the 3-D Structure of a CO2 Exoplanetary Atmosphere Around an M-Dwarf Star Type
https://agu.confex.com/agu/fm21/meetingapp.cgi/Paper/977875

Estimating Ion Escape from Unmagnetized Planets
https://agu.confex.com/agu/fm21/meetingapp.cgi/Paper/955370

Multiple moist climate equilibrium states on arid rocky M-dwarf planets: A last-saturation tracer analysis
https://agu.confex.com/agu/fm21/meetingapp.cgi/Paper/960876

Numerous chondritic impactors and oxidized magma ocean set Earth’s volatile depletion
https://www.nature.com/articles/s41598-021-99240-w

Self-conscious intelligent technological societies in the universe: a simple direct approach to probable astrosociological realistic scenarios
https://www.cambridge.org/core/journals/international-journal-of-astrobiology/article/abs/selfconscious-intelligent-technological-societies-in-the-universe-a-simple-direct-approach-to-probable-astrosociological-realistic-scenarios/B1CBDC346070090C35762861BFA19BB7

Two Massive Jupiters in Eccentric Orbits from the TESS Full-frame Images
https://iopscience.iop.org/article/10.3847/1538-3881/ac2ee1

Modeling the High-resolution Emission Spectra of Clear and Cloudy Nontransiting Hot Jupiters
https://iopscience.iop.org/article/10.3847/1538-4357/ac2a2a

Planetary Habitability
https://iopscience.iop.org/book/978-0-7503-2120-4

Cleaning our Hazy Lens: Statistical Trends in Transmission Spectra of Warm Exoplanets
https://arxiv.org/abs/2112.06173

Multi-Wavelength Mitigation of Stellar Activity in Astrometric Planet Detection
https://arxiv.org/abs/2112.06383

The Gliese 86 Binary System: A Warm Jupiter Formed in a Disk Truncated at ≈2 AU
https://arxiv.org/abs/2112.06394

BEBOP III. Observations and an independent mass measurement of Kepler-16 (AB) b — the first circumbinary planet detected with radial velocities
https://arxiv.org/abs/2112.06584

A new method to measure the spectra of transiting exoplanet atmospheres using multi-object spectroscopy
https://arxiv.org/abs/2112.06678