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.

March 17, 2021 updates

1I/‘Oumuamua as an N2 ice fragment of an exo‐Pluto surface: I. Size and Compositional Constraints
https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2020JE006706

1I/‘Oumuamua as an N2 ice fragment of an exo‐pluto surface II: Generation of N2 ice fragments and the origin of ‘Oumuamua
https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2020JE006807

Circumbinary habitable zones in the presence of a giant planet
https://arxiv.org/abs/2103.09201

Aurora: A Generalised Retrieval Framework for Exoplanetary Transmission Spectra
https://arxiv.org/abs/2103.08600

When the Peas Jump around the Pod: How Stellar Clustering Affects the Observed Correlations between Planet Properties in Multi-Planet Systems
https://arxiv.org/abs/2103.08604

Caught in the Act: Core-powered Mass-loss Predictions for Observing Atmospheric Escape
https://arxiv.org/abs/2103.08785

To cool is to keep: Residual H/He atmospheres of super-Earths and sub-Neptunes
https://arxiv.org/abs/2103.09212

March 16, 2021 updates

Classification of the Biogenicity of Complex Organic Mixtures for the Detection of Extraterrestrial Life
https://www.mdpi.com/2075-1729/11/3/234

The Voyage of Metals in the Universe from Cosmological to Planetary Scales: the need for a Very High-Resolution, High Throughput Soft X-ray Spectrometer
https://link.springer.com/article/10.1007/s10686-021-09710-2

Water on Hot Rocky Exoplanets
https://iopscience.iop.org/article/10.3847/2041-8213/abe7dc

Harnessing the power of CNNs for unevenly-sampled light-curves using Markov Transition Field
https://www.sciencedirect.com/science/article/abs/pii/S2213133721000159

Broadband stability of the Habitable Zone Planet Finder Fabry-Pérot etalon calibration system: evidence for chromatic variation
https://arxiv.org/abs/2103.08456

Ariel Planetary Interiors White Paper
https://arxiv.org/abs/2103.08481

March 15, 2021 updates

Detecting Atmospheric Molecules of Nontransiting Temperate Terrestrial Exoplanets Using High-resolution Spectroscopy in the Mid-infrared Domain
https://iopscience.iop.org/article/10.3847/1538-3881/abe129

Precise Dynamical Masses and Orbital Fits for beta Pic β and β Pic c
https://iopscience.iop.org/article/10.3847/1538-3881/abdc2e

Chemical variation with altitude and longitude on exo-Neptunes: Predictions for Ariel phase-curve observations
https://arxiv.org/abs/2103.07023

Evidence for disequilibrium chemistry from vertical mixing in hot Jupiter atmospheres. A comprehensive survey of transiting close-in gas giant exoplanets with warm-Spitzer/IRAC
https://arxiv.org/abs/2103.07185

From the SpaceX Starlink megaconstellation to the search for Type-I civilizations
https://arxiv.org/abs/2103.07227

March 12, 2021 updates

Phase-curve Pollution of Exoplanet Transmission Spectra
https://iopscience.iop.org/article/10.3847/1538-3881/abe048

History and future of the Martian dynamo and implications of a hypothetical solid inner core
https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2020JE006663

Analytic Light Curves in Reflected Light: Phase Curves, Occultations, and Non-Lambertian Scattering for Spherical Planets and Moons
https://arxiv.org/abs/2103.06275

Analytical tolerancing of segmented telescope co-phasing for exo-Earth high-contrast imaging
https://arxiv.org/abs/2103.06288

Triggering A Climate Change Dominated “Anthropocene”: Is It Common Among Exocivilizations?
https://arxiv.org/abs/2103.06330

March 11, 2021 updates

The Interstellar Downlink Principles and Current Work
https://i4is.org/wp-content/uploads/2021/02/jid_20210201_principium.pdf

All-sky visible and near infrared space astrometry
https://link.springer.com/article/10.1007/s10686-021-09705-z

Normal forms for the Laplace resonance
https://link.springer.com/article/10.1007/s10569-021-10008-w

Modelling the projected separation of microlensing events using systematic time-series feature engineering
https://www.sciencedirect.com/science/article/abs/pii/S2213133721000147

Detection of an Atmosphere on a Rocky Exoplanet
https://arxiv.org/abs/2103.05657

Gemini/GMOS Optical Transmission Spectroscopy of WASP-121b: signs of variability in an ultra-hot Jupiter?
https://arxiv.org/abs/2103.05698

NEMESIS: Exoplanet Transit Survey of Nearby M-Dwarfs in TESS FFIs I
https://arxiv.org/abs/2103.05647