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 27, 2019 updates

A giant exoplanet orbiting a very-low-mass star challenges planet formation models
https://arxiv.org/abs/1909.12174

Nucleobase synthesis in interstellar ices
https://www.nature.com/articles/s41467-019-12404-1

Kojima-1Lb is a Mildly Cold Neptune around the Brightest Microlensing Host Star
https://arxiv.org/abs/1909.11802

Planet and star synergy at high spectral resolution. A rationale for the characterisation of exoplanet atmospheres. I. The Infrared
https://arxiv.org/abs/1909.11807

Detection of CN gas in Interstellar Object 2I/Borisov
https://arxiv.org/abs/1909.12144

September 26, 2019 updates

Exoplanet Habitability: Potential O2/O3 Biosignatures in the Ultraviolet
https://link.springer.com/article/10.1134/S003809461905006X

Spin-orbit coupling for close-in planets
https://www.aanda.org/articles/aa/abs/2019/10/aa36336-19/aa36336-19.html

Clues to Understanding the Microphysics of Dust in the Interstellar Comet C/2019 Q4 (Borisov)
https://iopscience.iop.org/article/10.3847/2515-5172/ab46a6

Detection of Exoplanet as a Binary Source of Microlensing Events in WFIRST Survey
https://arxiv.org/abs/1909.11559

A New Model Suite to Determine the Influence of Cosmic Rays on (Exo)planetary Atmospheric Biosignatures — Validation based on Modern Earth
https://arxiv.org/abs/1909.11632

September 25, 2019 updates

Looking for Lurkers: Co-orbiters as SETI Observables
https://iopscience.iop.org/article/10.3847/1538-3881/ab3e35

Naming of New Interstellar Visitor: 2I/Borisov
https://www.iau.org/news/pressreleases/detail/iau1910/

WFIRST Space Telescope Fitted for ‘Starglasses’
https://www.nasa.gov/feature/goddard/2019/wfirst-space-telescope-fitted-for-starglasses

Performance and Early Science with the Subaru Coronagraphic Extreme Adaptive Optics Project
https://arxiv.org/abs/1909.10522

Kruger 60 — a plausible home system of the interstellar comet C/2019 Q4
https://arxiv.org/abs/1909.10952

September 24, 2019 updates

A possibly inflated planet around the bright young star DS Tucanae A
https://www.aanda.org/articles/aa/abs/2019/10/aa35598-19/aa35598-19.html

Ouamuamua (A/2017U1), Panspermia, and Intelligent Life in the Universe
http://www.isaacpub.org/4/1883/4/3/08/2019/AdAp.html

Three Red Suns in the Sky: A Transiting, Terrestrial Planet in a Triple M-dwarf System at 6.9 pc
https://iopscience.iop.org/article/10.3847/1538-3881/ab364d

Wavefront error tolerancing for direct imaging of exo-Earths with a large segmented telescope in space
https://arxiv.org/abs/1909.09683

From the stellar properties of HD219134 to the internal compositions of its transiting exoplanets
https://arxiv.org/abs/1909.10058

Improved Analysis of Clarke Exobelt Detectability
https://arxiv.org/abs/1909.10061

September 23, 2019 updates

Principles of Space Anthropology
https://link.springer.com/book/10.1007%2F978-3-030-25021-8

Prevalence of Fibonacci numbers in orbital period ratios in solar planetary and satellite systems and in exoplanetary systems
https://link.springer.com/article/10.1007/s10509-019-3649-2

Transition from eyeball to snowball driven by sea-ice drift on tidally locked terrestrial planets
https://www.nature.com/articles/s41550-019-0883-z

Combining high-contrast imaging and radial velocities to constrain the planetary architectures of nearby stars
https://www.aanda.org/articles/aa/abs/2019/10/aa35733-19/aa35733-19.html

Tidal response of rocky and ice-rich exoplanets
https://www.aanda.org/articles/aa/full_html/2019/10/aa35297-19/aa35297-19.html

Water vapor detection in the transmission spectra of HD 209458 b with the CARMENES NIR channel
https://www.aanda.org/articles/aa/full_html/2019/10/aa36084-19/aa36084-19.html

Searching for a cometary belt around Trappist-1 with ALMA
https://arxiv.org/abs/1909.09158

An Empirical Mass-Radius Relation for Cool Giant Planets
https://arxiv.org/abs/1909.09207

Doppler tomography as a tool for detecting exoplanet atmospheres
https://arxiv.org/abs/1909.09219

Resonant Laplace-Lagrange theory for extrasolar systems in mean-motion resonance
https://arxiv.org/abs/1909.09462