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.

May 2, 2022 Updates

Analysis of the public HARPS/ESO spectroscopic archive
Jupiter-like planets around HD103891 and HD105779
https://www.aanda.org/articles/aa/full_html/2022/04/aa42612-21/aa42612-21.html

Calibration of quasi-static aberrations in exoplanet direct-imaging instruments with a Zernike phase-mask sensor
IV. Temporal stability of non-common path aberrations in VLT/SPHERE
https://www.aanda.org/articles/aa/full_html/2022/04/aa42635-21/aa42635-21.html

Migrating extraterrestrial civilizations and interstellar colonization: implications for SETI and SETA
https://www.cambridge.org/core/journals/international-journal-of-astrobiology/article/migrating-extraterrestrial-civilizations-and-interstellar-colonization-implications-for-seti-and-seta/BFFC1BB63FED869C85172BB3CC88DBBB

The mu Arae planetary system: Radial velocities and astrometry
https://arxiv.org/abs/2204.13706

Interpreting the atmospheric composition of exoplanets: sensitivity to planet formation assumptions
https://arxiv.org/abs/2204.13714

The impact of ultraviolet heating and cooling on the dynamics and observability of lava planet atmospheres
https://arxiv.org/abs/2204.13727

Reflected spectroscopy of small exoplanets II: characterization of terrestrial exoplanets
https://arxiv.org/abs/2204.13816

FIES and Tull confirm and characterise three giant planets delivered by TESS
https://arxiv.org/abs/2204.13956

Simulations for Planning Next-Generation Exoplanet Radial Velocity Surveys
https://arxiv.org/abs/2204.13968

Searching for flaring star-planet interactions in AU Mic TESS observations
https://arxiv.org/abs/2204.14090

Planetesimals Around Stars with TESS (PAST): II. An M Dwarf "Dipper" Star with a Long-Lived Disk in the TESS Continuous Viewing Zone
https://arxiv.org/abs/2204.14163

Revisiting the secondary eclipses of KELT-1b using TESS observations
https://arxiv.org/abs/2204.14190

Mathematical encoding within multi-resonant planetary systems as SETI beacons
https://arxiv.org/abs/2204.14259

April 29, 2022 updates

A low-eccentricity migration pathway for a 13-h-period Earth analogue in a four-planet system
https://www.nature.com/articles/s41550-022-01641-y

Analysis of the public HARPS/ESO spectroscopic archive – Jupiter-like planets around HD103891 and HD105779
https://www.aanda.org/articles/aa/full_html/2022/04/aa42612-21/aa42612-21.html

Calibration of quasi-static aberrations in exoplanet direct-imaging instruments with a Zernike phase-mask sensor – IV. Temporal stability of non-common path aberrations in VLT/SPHERE
https://www.aanda.org/articles/aa/full_html/2022/04/aa42635-21/aa42635-21.html

Recovering the mass distribution of an extended gravitational lens
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stac1174/6575559

ALMA Discovery of a Disk around the Planetary-mass Companion SR 12 c
https://iopscience.iop.org/article/10.3847/2041-8213/ac6420

Dust formation in the outflows of catastrophically evaporating planets
https://arxiv.org/abs/2204.13117

The Volatile Carbon to Oxygen Ratio as a Tracer for the Formation Locations of Interstellar Comets
https://arxiv.org/abs/2204.13211

Unveiling non-gray surface of cloudy exoplanets: the influence of wavelength-dependent surface albedo and cloud scattering properties on retrieval solutions
https://arxiv.org/abs/2204.13452

April 28, 2022 updates

Atmospheric dynamics of a near tidally locked Earth-sized planet
https://www.nature.com/articles/s41550-022-01626-x

Plasma maser in the plasmasphere of HD 189733b
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stac1140/6575032

Multi-Mask Least-Squares Deconvolution: Extracting RVs using tailored masks
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stac1098/6575031

Inferring Late Stage Enrichment of Exoplanet Atmospheres from Observed Interstellar Comets
https://arxiv.org/abs/2204.12653

Planetary Migration Timescale and Its Influence on Life’s Ability to Occupy a Habitable Zone
https://www.researchgate.net/publication/360196806_Planetary_Migration_Timescale_and_Its_Influence_on_Life%27s_Ability_to_Occupy_a_Habitable_Zone

Layer formation in a stably-stratified fluid cooled from above. Towards an analog for Jupiter and other gas giants
https://arxiv.org/abs/2204.12643

Magnetic Drag and 3-D Effects in Theoretical High-Resolution Emission Spectra of Ultrahot Jupiters: the Case of WASP-76b
https://arxiv.org/abs/2204.12996

April 27, 2022 updates

Identifying the wide diversity of extraterrestrial purine and pyrimidine nucleobases in carbonaceous meteorites
https://www.nature.com/articles/s41467-022-29612-x

3D Radiative Transfer for Exoplanet Atmospheres. gCMCRT: A GPU-accelerated MCRT Code
https://iopscience.iop.org/article/10.3847/1538-4357/ac61d6

Shallow Transits—Deep Learning. II. Identify Individual Exoplanetary Transits in Red Noise using Deep Learning
https://iopscience.iop.org/article/10.3847/1538-3881/ac5ea2

Dynamical Regimes of Polar Vortices on Terrestrial Planets with a Seasonal Cycle
https://iopscience.iop.org/article/10.3847/PSJ/ac54b6

The Upper Edge of the Neptune Desert Is Stable Against Photoevaporation
https://arxiv.org/abs/2204.11865

The TESS-Keck Survey. XI. Mass Measurements for Four Transiting sub-Neptunes orbiting K dwarf TOI-1246
https://arxiv.org/abs/2204.11895

Large Interferometer For Exoplanets (LIFE): VII. Practical implementation of a kernel-nulling beam combiner with a discussion on instrumental uncertainties and redundancy benefits
https://arxiv.org/abs/2204.12291

Tentative Evidence for Transit Timing Variations of WASP-161b
https://arxiv.org/abs/2204.12306

Is the orbital distribution of multiplanet systems influenced by pure three-planet resonances?
https://arxiv.org/abs/2204.12364

Using HITRAN to Model Opacities for Planetary Atmospheres: Test case of Microwave Spectra of NH3, SO2 and PH3
https://arxiv.org/abs/2204.12395

April 26, 2022 updates

Planetary Science Opportunities for Heliocentric/Interstellar Probe Missions
https://www.worldscientific.com/doi/10.1142/9789811260100_0070

Five Key Exoplanet Questions Answered via the Analysis of 25 Hot-Jupiter Atmospheres in Eclipse
https://iopscience.iop.org/article/10.3847/1538-4365/ac5cc2

Water content trends in K2-138 and other low-mass multi-planetary systems
https://www.aanda.org/articles/aa/full_html/2022/04/aa42374-21/aa42374-21.html

Dynamics of Colombo’s Top: Non-trivial oblique spin equilibria of Super-Earths in multi-planetary systems
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stac1096/6574417

A Dearth of Close-in Stellar Companions to M-dwarf TESS Objects of Interest
https://iopscience.iop.org/article/10.3847/1538-3881/ac6101

Large-scale Volcanism and the Heat Death of Terrestrial Worlds
https://iopscience.iop.org/article/10.3847/PSJ/ac6033

Accurate Machine-learning Atmospheric Retrieval via a Neural-network Surrogate Model for Radiative Transfer
https://iopscience.iop.org/article/10.3847/PSJ/abe3fd

Rotationally Constrained Convection in the Sun: Applicable to Planetary Atmospheres?
https://iopscience.iop.org/article/10.3847/2515-5172/ac6810

Wind–pellet shear sailing
https://www.sciencedirect.com/science/article/abs/pii/S0094576522001795

Exoplanet Cartography using Convolutional Neural Networks
https://arxiv.org/abs/2204.11821

On the relative importance of AGN winds for the evolution of exoplanet atmospheres
https://arxiv.org/abs/2204.10870

The Outer Edge of the Venus Zone Around Main-Sequence Stars
https://arxiv.org/abs/2204.10919

KMT-2021-BLG-1898: Planetary microlensing event involved with binary source stars
https://arxiv.org/abs/2204.11378

KMT-2021-BLG-0240: Microlensing event with a deformed planetary signal
https://arxiv.org/abs/2204.11383

A target list for searching for habitable exomoons
https://arxiv.org/abs/2204.11614

The CARMENES search for exoplanets around M dwarfs. Rotational variation in activity indicators of Ross 318, YZ CMi, TYC 3529-1437-1, and EV Lac
https://arxiv.org/abs/2204.11685