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 09, 2022 updates

Ancient underground water could unlock secrets of alien life

https://www.space.com/ancient-underground-microbes-extraterrestrial-life

Exoplanet Hunting Using Machine Learning
https://link.springer.com/chapter/10.1007/978-981-19-4193-1_67

Roaring Storms in the Planetary-mass Companion VHS 1256-1257 b: Hubble Space Telescope Multiepoch Monitoring Reveals Vigorous Evolution in an Ultracool Atmosphere
https://iopscience.iop.org/article/10.3847/1538-3881/ac9905

Analysis of Thermal Emissions of Exoplanets with Axially Symmetric Temperature Gradients
https://iopscience.iop.org/article/10.3847/1538-4357/ac9381

CAMEMBERT: A Mini-Neptunes GCM Intercomparison, Protocol Version 1.0. A CUISINES Model Intercomparison Project
https://arxiv.org/abs/2211.04048

Unexpected Long-Term Variability in Jupiter’s Tropospheric Temperatures

https://arxiv.org/abs/2211.04398

November 08, 2022 updates

Peering into the Young Planetary System AB Pic. Atmosphere, Orbit, Obliquity & Second Planetary Candidate
https://arxiv.org/abs/2211.01474

Hyperbolic meteors: is CNEOS 2014-01-08 interstellar?
https://arxiv.org/abs/2211.02305

Planet(esimal)s Around Stars with TESS (PAST) III: A Search for Triplet He I in the Atmospheres of Two 200 Myr-old Planets
https://arxiv.org/abs/2211.02887

Analysis of the planetary mass uncertainties on the atmospherical retrieval accuracy
https://arxiv.org/abs/2211.02897

55 Cancri e’s occultation captured with CHEOPS
https://arxiv.org/abs/2211.03582

November 07, 2022 updates

NASA’s Chandra: Planets Can Be Anti-Aging Formula for Stars
https://www.nasa.gov/mission_pages/chandra/news/nasas-chandra-planets-can-be-anti-aging-formula-for-stars.html

WHat next? an Integrated PLanetary Atmosphere Simulator: from Habitable worlds to Hot jupiters
https://cordis.europa.eu/project/id/679030

Giants through Time: Towards a Comprehensive Giant Planet Climatology https://cordis.europa.eu/project/id/723890

Spectral analysis of ultra-cool white dwarfs polluted by planetary debris
https://academic.oup.com/mnras/article-abstract/517/3/4557/6795240

Roaring Storms in the Planetary-mass Companion VHS 1256-1257 b: Hubble Space Telescope Multiepoch Monitoring Reveals Vigorous Evolution in an Ultracool Atmosphere
https://iopscience.iop.org/article/10.3847/1538-3881/ac9905

Discovery of a Mid-L Dwarf Companion to the L 262-74 System
https://iopscience.iop.org/article/10.3847/2515-5172/ac9f3c

Planetary Exploration Horizon 2061: A Long-Term Perspective for Planetary Exploration
https://www.amazon.com/Planetary-Exploration-Horizon-2061-Perspective/dp/032390226X

Planetary Exploration, Horizon 2061
https://spj.sciencemag.org/space-science-and-technology-special-issues/horizon-2061/

Physical Considerations for an Intercept Mission to a 1I/’Oumuamua-like Interstellar Object
https://arxiv.org/abs/2211.02120

The Impact of Bayesian Hyperpriors on the Population-Level Eccentricity Distribution of Imaged Planets
https://arxiv.org/abs/2211.02121

HD 20329b: An ultra-short-period planet around a solar-type star found by TESS
https://arxiv.org/abs/2211.02547

November 04, 2022 updates

Early Mars habitability and global cooling by H2-based methanogens
https://www.nature.com/articles/s41550-022-01786-w

Confirmation and characterisation of three giant planets detected by TESS from the FIES/NOT and Tull/McDonald spectrographs
https://www.aanda.org/articles/aa/full_html/2022/11/aa43656-22/aa43656-22.html

A Jupiter Analog Orbiting The Nearby M Dwarf GJ 463
https://iopscience.iop.org/article/10.3847/1538-3881/ac8e05

Plausible constraints on the range of bulk terrestrial exoplanet compositions in the Solar neighbourhood
https://arxiv.org/abs/2211.01800

Spectroscopic Time-series Performance of JWST/NIRSpec from
Commissioning Observations
https://arxiv.org/abs/2211.01459

Peering into the Young Planetary System AB Pic. Atmosphere, Orbit, Obliquity & Second Planetary Candidate
https://arxiv.org/abs/2211.01474

A 16 Hour Transit Observed by the Unistellar Network
https://arxiv.org/abs/2211.01532

Chaos in multiplanetary extrasolar systems
https://arxiv.org/abs/2211.01721

November 03, 2022 updates

Autonomous Navigation of Relativistic Spacecraft: Theory and Applications
https://ecommons.cornell.edu/handle/1813/112098

Activity of Stars with Planets in the Habitable Zone
https://www.springer.com/journal/10511

A Meteor of Apparent Interstellar Origin in the CNEOS Fireball Catalog https://iopscience.iop.org/article/10.3847/1538-4357/ac8eac

Exploring the Ability of HST WFC3 G141 to Uncover Trends in Populations of Exoplanet Atmospheres Through a Homogeneous Transmission Survey of 70 Gaseous Planets
https://arxiv.org/abs/2211.00649

HD 191939 revisited: New and refined planet mass determinations, and a new planet in the habitable zone
https://arxiv.org/abs/2211.00667

Importance of Sample Selection in Exoplanet Atmosphere Population Studies
https://arxiv.org/abs/2211.00702

Refining the Masses and Radii of the Star Kepler-33 and its Five Transiting Planets
https://arxiv.org/abs/2211.00703

Chasing extreme planetary architectures: I- HD196885Ab, a super-Jupiter dancing with two stars?
https://arxiv.org/abs/2211.00994

X-ray Activity on the Star-Planet Interaction Candidate HD 179949
https://arxiv.org/abs/2211.01011

The discovery of three hot Jupiters, NGTS-23b, 24b and 25b, and updated parameters for HATS-54b from the Next Generation Transit Survey
https://arxiv.org/abs/2211.01044