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 16, 2020 updates

GJ 357 b – A super-Earth orbiting an extremely inactive host star
https://www.aanda.org/articles/aa/abs/2020/09/aa38280-20/aa38280-20.html

An Increase in Small-planet Occurrence with Metallicity for Late-type Dwarf Stars in the Kepler Field and Its Implications for Planet Formation
https://arxiv.org/abs/2009.06638

Revisiting the Architecture of the KOI-89 System
https://arxiv.org/abs/2009.06850

An exact, generalised Laplace resonance in the HR 8799 planetary system
https://arxiv.org/abs/2009.07006

An Earth-like stellar wind environment for Proxima Centauri c
https://arxiv.org/abs/2009.07266

September 15, 2020 updates

Life in Extreme Environments: Insights in Biological Capability – Chapter 13: Analytical astrobiology: the search for life signatures and the remote detection of biomarkers through their Raman spectral interrogation
https://www.amazon.com/Life-Extreme-Environments-Biological-Capability-ebook/dp/B08GG9S318/

Fine-Tuning in the Physical Universe – Chapter 12: On the Temporal Habitability of Our Universe
https://www.amazon.com/Fine-Tuning-Physical-Universe-David-Sloan-ebook/dp/B08GG9RHHG/

Phosphine gas in the cloud decks of Venus
https://www.nature.com/articles/s41550-020-1174-4

A search for He I airglow emission from the hot Jupiter tau Boo b
https://arxiv.org/abs/2009.05821

Discriminating between hazy and clear hot-Jupiter atmospheres with CARMENES
https://arxiv.org/abs/2009.06280

The Venusian Lower Atmosphere Haze as a Depot for Desiccated Microbial Life: A Proposed Life Cycle for Persistence of the Venusian Aerial Biosphere
https://arxiv.org/abs/2009.06474

Phosphine on Venus Cannot be Explained by Conventional Processes
https://arxiv.org/abs/2009.06499

Two Planets Straddling the Habitable Zone of The Nearby K dwarf Gl 414A
https://arxiv.org/abs/2009.06503

September 14, 2020 updates

Characterization of the K2-38 planetary system – Unraveling one of the densest planets known to date
https://www.aanda.org/articles/aa/abs/2020/09/aa38187-20/aa38187-20.html

An ATA Search for a Repetition of the Wow Signal
https://iopscience.iop.org/article/10.3847/1538-3881/aba58f

A Search for Rotation Periods in 1000 TESS Objects of Interest
https://iopscience.iop.org/article/10.3847/1538-4365/aba73f

What limits photosynthesis? Identifying the thermodynamic constraints of the terrestrial biosphere within the Earth system
https://www.sciencedirect.com/science/article/abs/pii/S0005272820301535

The impact of life on climate stabilisation over different timescales
https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2020GC009105

Reflected Light Observations of the Galilean Satellites from Cassini: a testbed for cold terrestrial exoplanets
https://arxiv.org/abs/2009.05467

September 11, 2020 updates

Can Self-Replicating Species Flourish in the Interior of a Star?
https://osf.io/j6gux/

Precision radial velocity measurements by the forward-modeling technique in the near-infrared
https://academic.oup.com/pasj/advance-article-abstract/doi/10.1093/pasj/psaa085/5903842

A Search for FeH in Hot-Jupiter Atmospheres with High-Dispersion Spectroscopy
https://arxiv.org/abs/2009.04474

Coupling thermal evolution of planets and hydrodynamic atmospheric escape in MESA
https://arxiv.org/abs/2009.04948

Septermber 10, 2020 updates

Peas in a Pod? Radius Correlations in Kepler Multiplanet Systems
https://iopscience.iop.org/article/10.3847/1538-3881/abab9e

Measuring Transit Signal Recovery in the Kepler Pipeline. IV. Completeness of the DR25 Planet Candidate Catalog
https://iopscience.iop.org/article/10.3847/1538-3881/abab0b

Eclipse timing variation of GK Vir: evidence of a possible Jupiter-like planet in a circumbinary orbit
https://arxiv.org/abs/2009.03978

On the Possible Evolutionay History of the Water Ocean on Venus
https://arxiv.org/abs/2009.04040

Evidence of Three Mechanisms Explaining the Radius Anomaly of Hot Jupiters
https://arxiv.org/abs/2009.04291

Stellar Flares versus Luminosity: XUV-induced Atmospheric Escape and Planetary Habitability
https://arxiv.org/abs/2009.04310

A super-Earth and a sub-Neptune orbiting the bright, quiet M3 dwarf TOI-1266
https://arxiv.org/abs/2009.04317