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 29, 2021 Updates

Chemical abundances of 1111 FGK stars from the HARPS GTO planet search program – IV. Carbon and C/O ratios for Galactic stellar populations and planet hosts
https://www.aanda.org/articles/aa/abs/2021/11/aa41588-21/aa41588-21.html

Inflated Eccentric Migration of evolving gas giants: Numerical methodology and basic concepts
https://arxiv.org/abs/2111.12714

Inflated Eccentric Migration of Evolving Gas-Giants: Accelerated Formation and Destruction of Hot and Warm Jupiters
https://arxiv.org/abs/2111.12718

Titanium oxide and chemical inhomogeneity in the atmosphere of the exoplanet WASP-189b
https://arxiv.org/abs/2111.12732

Panoramic SETI: overall mechanical system design
https://arxiv.org/abs/2111.12771

High-resolution transmission spectroscopy study of ultra-hot Jupiters HAT-P-57b, KELT-17b, KELT-21b, KELT-7b, MASCARA-1b, and WASP-189b
https://arxiv.org/abs/2111.13064

November 26, 2021 updates

JWST undamaged from payload processing incident
https://spacenews.com/jwst-undamaged-from-payload-processing-incident/

An upper limit on late accretion and water delivery in the TRAPPIST-1 exoplanet system
https://www.nature.com/articles/s41550-021-01518-6

Application of the mixing length theory to assess the generation of melt in internally heated systems
https://academic.oup.com/gji/advance-article-abstract/doi/10.1093/gji/ggab477/6442198

Precise Masses and Orbits for Nine Radial-velocity Exoplanets
https://iopscience.iop.org/article/10.3847/1538-3881/ac27ab

The TESS–Keck Survey. VI. Two Eccentric Sub-Neptunes Orbiting HIP-97166
https://iopscience.iop.org/article/10.3847/1538-3881/ac295e

Evidence of Rocky Planet Engulfment in the Wide Binary System HIP 71726/HIP 71737
https://iopscience.iop.org/article/10.3847/1538-4357/ac2362

November 24, 2021 updates

Prototype SETI Hardware Gets First Data From VLA
https://public.nrao.edu/news/seti-hardware-first-data/

Alleviating the transit timing variation bias in transit surveys – I. RIVERS: Method and detection of a pair of resonant super-Earths around Kepler-1705
https://www.aanda.org/articles/aa/full_html/2021/11/aa41471-21/aa41471-21.html

One of Everything: The Breakthrough Listen Exotica Catalog
https://iopscience.iop.org/article/10.3847/1538-4365/ac168a

TOI-2109b: An Ultrahot Gas Giant on a 16 hr Orbit
https://arxiv.org/abs/2111.12074

Panoramic SETI: Overall focal plane electronics and timing and network protocols
https://arxiv.org/abs/2111.11476

Analysis of the Most Precise Light Curves of HAT-P-36 Detrended From Spot Signals
https://arxiv.org/abs/2111.11531

All along the line of sight: a closer look at opening angles and absorption regions in the atmospheres of transiting exoplanets
https://arxiv.org/abs/2111.11830

November 23, 2021 updates

NASA Provides Update on Webb Telescope Launch
https://blogs.nasa.gov/webb/2021/11/22/nasa-provides-update-on-webb-telescope-launch/

False biosignatures on Mars: anticipating ambiguity
https://pubs.geoscienceworld.org/jgs/article/doi/10.1144/jgs2021-050/609631

Terraforming Mars (Astrobiology Perspectives on Life in the Universe)
http://www.scrivenerpublishing.com/cart/title.php?id=637

Scaling K2. IV. A Uniform Planet Sample for Campaigns 1–8 and 10–18
https://iopscience.iop.org/article/10.3847/1538-3881/ac2309

TOI-2109: An Ultrahot Gas Giant on a 16 hr Orbit
https://iopscience.iop.org/article/10.3847/1538-3881/ac26bd

Follow-up Photometry in Another Band Helps to Reduce Kepler’s False-positive Rates
https://iopscience.iop.org/article/10.3847/1538-3881/ac2504

Internal-Current Lorentz-Force Heating of Astrophysical Objects
https://arxiv.org/abs/2111.10738

Measuring microlensing parallax via simultaneous observations from Chinese Space Station Telescope and Roman Telescope
https://arxiv.org/abs/2111.11002

Panoramic SETI: on-sky results from prototype telescopes and instrumental design
https://arxiv.org/abs/2111.11080

Hot Jupiters accreting onto their parent stars: effects on the stellar activity
https://arxiv.org/abs/2111.11110

Longitudinally asymmetric stratospheric oscillation on a tidally locked exoplanet
https://arxiv.org/abs/2111.11281

p-winds: an open-source Python code to model planetary winds and upper atmospheres
https://arxiv.org/abs/2111.11370