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.

October 27, 2021 updates

The Rossiter–McLaughlin effect revolutions: an ultra-short period planet and a warm mini-Neptune on perpendicular orbits
https://www.aanda.org/articles/aa/full_html/2021/10/aa41527-21/aa41527-21.html

CARMENES detection of the Ca II infrared triplet and possible evidence of He I in the atmosphere of WASP-76b
https://www.aanda.org/articles/aa/abs/2021/10/aa41669-21/aa41669-21.html

Obliquity Constraints on the Planetary-mass Companion HD 106906 b
https://iopscience.iop.org/article/10.3847/1538-3881/ac1bb1

Friends and Foes: Conditional Occurrence Rates of Exoplanet Companions and Their Impact on Radial Velocity Follow-up Surveys
https://iopscience.iop.org/article/10.3847/1538-3881/ac1db8

Effects of Spin–Orbit Resonances and Tidal Heating on the Inner Edge of the Habitable Zone
https://iopscience.iop.org/article/10.3847/1538-4357/ac135c

Retrieving Exoplanet Atmospheres Using Planetary Infrared Excess: Prospects for the Night Side of WASP-43 b and Other Hot Jupiters
https://iopscience.iop.org/article/10.3847/2041-8213/ac2cc2

Implementation of disequilibrium chemistry to spectral retrieval code ARCiS and application to sixteen exoplanet transmission spectra: Indication of disequilibrium chemistry for HD 209458b and WASP-39b
https://arxiv.org/abs/2110.13443

The strange case of Na I in the atmosphere of HD209458 b: Reconciling low- and high-resolution spectroscopic observations G
https://arxiv.org/abs/2110.13548

Hα and He I absorption in HAT-P-32 b observed with CARMENES — Detection of Roche lobe overflow and mass loss
https://arxiv.org/abs/2110.13582

Galactic cosmic ray propagation through M dwarf planetary systems
https://arxiv.org/abs/2110.13712

X-ray irradiation of three planets around Hyades star K2-136
https://arxiv.org/abs/2110.13754

ExoClock project II: A large-scale integrated study with 180 updated exoplanet ephemerides
https://arxiv.org/abs/2110.13863

October 26, 2021 updates

The Five Great Human Challenges to Make Space and Interstellar Travels
https://blogdefalcoforado.wordpress.com/2021/09/24/the-five-great-human-challenges-to-make-space-and-interstellar-travels/

Our Place in the Universe – II
https://link.springer.com/book/10.1007/978-3-030-80260-8

Directed Energy Accelerated Lightsails
https://www.researchsquare.com/article/rs-943018/v1

A radio technosignature search towards Proxima Centauri resulting in a signal of interest
https://www.nature.com/articles/s41550-021-01479-w

Analysis of the Breakthrough Listen signal of interest blc1 with a technosignature verification framework
https://www.nature.com/articles/s41550-021-01508-8

Ion-driven organic chemistry for Titan-like atmospheres: Implications for N-dominated super-Earth exoplanets
https://www.aanda.org/articles/aa/full_html/2021/10/aa41328-21/aa41328-21.html

Comparison of the mass distributions of short-period exoplanets detected by transit and RV methods
https://academic.oup.com/mnrasl/advance-article-abstract/doi/10.1093/mnrasl/slab115/6409826

ExoFrontiers – Big questions in exoplanetary science
https://iopscience.iop.org/book/978-0-7503-1472-5

TESS-Keck Survey. V. Twin Sub-Neptunes Transiting the Nearby G Star HD 63935
https://iopscience.iop.org/article/10.3847/1538-3881/ac18cb

The First Interstellar Astronauts Will Not Be Human
https://arxiv.org/abs/2110.13080

The Search for Deliberate Interstellar SETI Signals May Be Futile
https://arxiv.org/abs/2110.11502

A model Earth-sized planet in the habitable zone of α Centauri A/B
https://arxiv.org/abs/2110.12565

The LHS 1678 System: Two Earth-Sized Transiting Planets and an Astrometric Companion Orbiting an M Dwarf Near the Convective Boundary at 20 pc
https://arxiv.org/abs/2110.12079

Dynamical tidal Love numbers of rapidly rotating planets and stars
https://arxiv.org/abs/2110.12129

October 25, 2021 Updates

The Alien Communication Handbook
https://link.springer.com/book/10.1007/978-3-030-74845-6

Zodiacal Exoplanets in Time (ZEIT) XII: A Directly-Imaged Planetary-Mass Companion to a Young Taurus M Dwarf Star
https://arxiv.org/abs/2110.08655

In Search of Plan(et) B: Irrational Rationality, Capitalist Realism, and Space Colonization
https://www.sciencedirect.com/science/article/abs/pii/S001632872100166X

The effect of late giant collisions on the atmospheres of protoplanets and the formation of cold sub-Saturns
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stab3008/6409157?redirectedFrom=fulltext

TESS Data for Asteroseismology (T’DA) Stellar Variability Classification Pipeline: Setup and Application to the Kepler Q9 Data
https://iopscience.iop.org/article/10.3847/1538-3881/ac166a

Detection of OH in the ultra-hot Jupiter WASP-76b
https://arxiv.org/abs/2110.11946

GRASS : Distinguishing Planet-induced Doppler Signatures from Granulation with a Synthetic Spectra Generator
https://arxiv.org/abs/2110.11839

Physically-motivated basis functions for temperature maps of exoplanets
https://arxiv.org/abs/2110.11837

The Sonora Substellar Atmosphere Models. II. Cholla: A Grid of Cloud-free, Solar Metallicity Models in Chemical Disequilibrium for the JWST Era
https://arxiv.org/abs/2110.11824

EOS: Atmospheric Radiative Transfer in Habitable Worlds with HELIOS
https://arxiv.org/abs/2110.11702

October 22, 2021 updates

A unique hot Jupiter spectral sequence with evidence for compositional diversity
https://www.nature.com/articles/s41550-021-01455-4

Investigation of Orbital Decay and Global Modeling of the Planet WASP-43 b
https://iopscience.iop.org/article/10.3847/1538-3881/ac1baf

TOI-2285b: A 1.7 Earth-radius Planet Near the Habitable Zone around a Nearby M Dwarf
https://arxiv.org/abs/2110.10215

Laser Communication with Proxima and Alpha Centauri using the Solar Gravitational Lens
https://arxiv.org/abs/2110.10247

Moderately misaligned orbit of the warm sub-Saturn HD 332231 b
https://arxiv.org/abs/2110.10282

EXPRES. III. Revealing the Stellar Activity Radial Velocity Signature of ε Eridani with Photometry and Interferometry
https://arxiv.org/abs/2110.10643

No Transits of Proxima Centauri Planets inHigh-Cadence TESS Data
https://arxiv.org/abs/2110.10702

General Circulation Model Errors are Variable across Exoclimate Parameter Spaces
https://arxiv.org/abs/2110.10925

A unique hot Jupiter spectral sequence with evidence for compositional diversity
https://arxiv.org/abs/2110.11272

Systematic KMTNet Planetary Anomaly Search, Paper II: Six New q<2×10−4 Mass-ratio Planets
https://arxiv.org/abs/2106.06686

October 21, 2021 updates

Carbon monoxide gas produced by a giant impact in the inner region of a young system
https://www.nature.com/articles/s41586-021-03872-x

NEID Spectrometer Lights Up Path to Exoplanet Exploration
https://www.nasa.gov/feature/goddard/2021/neid-spectrometer-lights-up-path-to-exoplanet-exploration

http://ngts.planethunters.org/
Planet Hunters Next-Generation Transit Search (NGTS)

Dust in brown dwarfs and extra-solar planets – VIII. TiO2 seed formation: 3D Monte Carlo versus kinetic approach
https://www.aanda.org/articles/aa/abs/2021/10/aa40378-21/aa40378-21.html

Nautilus: A Revolutionary Space Telescope
https://nautilus-array.space/

Alien Earths: Searching for Habitable Worlds in Nearby Planetary Systems
https://alienearths.space/

Project EDEN: The Search for and Study of Other Earth-like Planets
https://project-eden.space/

Enhanced thermal radiation from a tidally heated exomoon with a single hotspot
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stab2955/6406511

A Phenomenological Approach to Searching for Earth Sized Exoplanets
https://www.researchgate.net/publication/355440015_A_Phenomenological_Approach_to_Searching_for_Earth_Sized_Exoplanets

Overview On The Prevalent Methods Used In Exoplanet Discovery
https://www.researchgate.net/publication/355442703_Overview_On_The_Prevalent_Methods_Used_In_Exoplanet_Discovery