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.

February 13, 2019 updates

K2-290: a warm Jupiter and a mini-Neptune in a triple-star system
https://arxiv.org/abs/1901.03716

The DECam Minute Cadence Survey II: 49 Variables but No Planetary Transits of a White Dwarf
https://arxiv.org/abs/1902.04075

SPHERE: the exoplanet imager for the Very Large Telescope
https://arxiv.org/abs/1902.04080

Stellar Activity Effects on Moist Habitable Terrestrial Atmospheres Around M dwarfs
https://arxiv.org/abs/1902.04086

ISPY – the NaCo Imaging Survey for Planets around Young stars: A young companion candidate embedded in the R CrA cloud
https://arxiv.org/abs/1902.04092

Observing the gas component of circumplanetary disks around wide-orbit planet-mass companions in the (sub)mm regime
https://arxiv.org/abs/1902.04096

Could 1I/’Oumuamua be an icy fractal aggregate ejected from a protoplanetary disk? A fluffy radiation-pressure-driven scenario
https://arxiv.org/abs/1902.04100

HARPS-N Solar Radial-Velocity Variations Are Dominated By Large, Bright Magnetic Regions
https://arxiv.org/abs/1902.04184

Dusty outflows in planetary atmospheres: Understanding “super-puffs” and transmission spectra of sub-Neptunes
https://arxiv.org/abs/1902.04188

Heavy metal rules. I. Exoplanet incidence and metallicity
https://arxiv.org/abs/1902.04493

The Fermi Paradox and the Aurora Effect: Exo-civilization Settlement, Expansion and Steady States
https://arxiv.org/abs/1902.04450

February 12, 2019 updates

NASA minimizes threat of JWST delay from shutdown
https://spacenews.com/nasa-minimizes-threat-of-jwst-delay-from-shutdown/

New NASA Team Tackles Next Challenges in Detecting Life Beyond Earth
https://www.nasa.gov/feature/ames/new-nasa-team-tackles-next-challenges-in-detecting-life-beyond-earth

The Network for Life Detection
https://www.nfold.org/

The Laboratory for Agnostic Biosignatures
https://www.agnosticbiosignatures.org/

Nexus for Exoplanet System Science
https://nexss.info/

A water budget dichotomy of rocky protoplanets from 26Al-heating
https://arxiv.org/abs/1902.04026

Interstellar Travels On Board of Photon Rockets
https://arxiv.org/abs/1902.03869

Can a machine learn the outcome of planetary collisions?
https://arxiv.org/abs/1902.04052

Three transiting planet discoveries from the Wide Angle Search for Planets: WASP-85 A b; WASP-116 b, and WASP-149 b
https://arxiv.org/abs/1412.7761

Thermo-compositional diabatic convection in the atmospheres of brown dwarfs and in Earth’s atmosphere and oceans
https://arxiv.org/abs/1902.03553

Should N-body integrators be symplectic everywhere in phase space?
https://arxiv.org/abs/1902.03684

Stellar energetic particles in the magnetically turbulent habitable zones of TRAPPIST-1-like planetary systems
https://arxiv.org/abs/1902.03732

Tidal Heating and the Habitability of the TRAPPIST-1 Exoplanets
https://arxiv.org/abs/1902.03867

A resonant pair of warm giant planets revealed by TESS
https://arxiv.org/abs/1902.03900

First observation of a planetary transit with the SPARC4 CCD: improved parameters for HATS-24b
https://arxiv.org/abs/1902.03924

The CARMENES search for exoplanets around M dwarfs. Chromospheric modeling of M2-3 V stars with PHOENIX
https://arxiv.org/abs/1902.03992

February 11, 2019 updates

Exo-Astrosociology and the Search for Technosignatures
http://www.astrosociology.org/Library/PDF/JPass–Exo-AstrosociologyAndTechnosignatures.pdf

Some Assembly Required: Giant Next-Generation Space Telescopes Could Be Built Off Earth
https://www.space.com/43273-building-big-space-observatories-off-earth.html

Is Earth special?
https://www.sciencedirect.com/science/article/pii/S0012825218306524

Speeding past planets? Asteroids radiatively propelled by giant branch Yarkovsky effects
https://arxiv.org/abs/1902.02795

February 7, 2019 updates

Comment on “the ultimate limits of the relativistic rocket equation. The Planck photon rocket”
https://www.sciencedirect.com/science/article/pii/S0094576518317818

Interlocking, reconfigurable, reconstitutable, reformable cell-based system with nested ring structures
https://patentimages.storage.googleapis.com/64/69/b3/34ca612390a3af/US20190023419A1.pdf

Interlocking, reconfigurable, reconstitutable, reformable cell-based space system
https://patentimages.storage.googleapis.com/43/91/5b/494501958ec00e/US20190023424A1.pdf

astroquery: An Astronomical Web-querying Package in Python
https://iopscience.iop.org/article/10.3847/1538-3881/aafc33

Exploring the formation by core accretion and the luminosity evolution of directly-imaged planets: The case of HIP 65426 b
https://arxiv.org/abs/1902.01869

Dark Hole Maintenance and A Posteriori Intensity Estimation in the Presence of Speckle Drift in a High-Contrast Space Coronagraph
https://arxiv.org/abs/1902.01880

So close, so different: characterization of the K2-36 planetary system with HARPS-N
https://arxiv.org/abs/1902.01881

The misaligned orbit of the Earth-sized planet Kepler-408b
https://arxiv.org/abs/1902.02057