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 4, 2019 updates

Twenty-four New Transit Timings of the Mini-Neptune GJ1214 B
https://iopscience.iop.org/article/10.3847/2515-5172/ab3f29

SETI in Russia, USSR and the post-Soviet space: a century of research
https://www.sciencedirect.com/science/article/pii/S0094576518318393

Spectral Signature of the Biosphere: NISTAR Finds it in our Solar System from the Lagrangian L‐1 Point
https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2019GL083736

Optimizing exoplanet atmosphere retrieval using unsupervised machine-learning classification
https://arxiv.org/abs/1909.00718

GJ 357: A low-mass planetary system uncovered by precision radial-velocities and dynamical simulations
https://arxiv.org/abs/1909.00831

Three nearby K-giants with planets: Accurate determination of basic parameters, including an analysis of metallicity based on Fe I lines
https://arxiv.org/abs/1909.01054

September 3, 2019 updates

Are there any aliens out there? We are close to knowing for sure
https://www.newscientist.com/article/mg24332450-800-are-there-any-aliens-out-there-we-are-close-to-knowing-for-sure/

The Beam Balance – Measuring Binary Systems via Relativistic Beaming Signals from Stars and their Companions
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stz2332/5558252

Nuclear microbomb propulsion for manned deep space exploration with return travel
https://www.sciencedirect.com/science/article/pii/S0094576519306101

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

August 30, 2019 updates

New wavelength calibration of the HARPS spectrograph
https://www.aanda.org/articles/aa/abs/2019/09/aa33272-18/aa33272-18.html

On the Transit Probability of the Habitable-zone Exoplanet GJ 357d
https://iopscience.iop.org/article/10.3847/2515-5172/ab3e10

SOAR TESS Survey. I: Sculpting of TESS planetary systems by stellar companions
https://arxiv.org/abs/1908.10871

Ingredients for Solar-like Systems: protostar IRAS 16293-2422 B versus comet 67P/Churyumov-Gerasimenko
https://arxiv.org/abs/1908.11290

August 29, 2019 updates

1:1 orbital resonance of circumbinary planets
https://arxiv.org/abs/1908.10395

Using Independent Component Analysis to detect exoplanet reflection spectrum from composite spectra of exoplanetary binary systems
https://arxiv.org/abs/1908.10605

Exoplanet Atmosphere Forecast: Observers Should Expect Spectroscopic Transmission Features to be Muted to 33%
https://arxiv.org/abs/1908.10669

Remote sensing of exoplanetary atmospheres with ground-based high-resolution near-infrared spectroscopy
https://arxiv.org/abs/1908.10695

Sodium and Potassium Signatures of Volcanic Satellites Orbiting Close-in Gas Giant Exoplanets
https://arxiv.org/abs/1908.10732

WASP-169, WASP-171, WASP-175 and WASP-182: three hot Jupiters and one bloated sub-Saturn mass planet discovered by WASP-south
https://arxiv.org/abs/1904.10388