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 5, 2022 updates

Longitudinal MRI-visible perivascular space (PVS) changes with long-duration spaceflight
https://www.nature.com/articles/s41598-022-11593-y

Can Carbon Fractionation Provide Evidence for Aerial Biospheres in the Atmospheres of Temperate Sub-Neptunes?
https://iopscience.iop.org/article/10.3847/1538-4357/ac625f

TRAPPIST-1h as an Exo-Titan. I. The Role of Assumptions about Atmospheric Parameters in Understanding an Exoplanet Atmosphere
https://iopscience.iop.org/article/10.3847/1538-4357/ac59bb

Mutual Inclination of Ultra-short-period Planets with Time-varying Stellar J2 Moments
https://iopscience.iop.org/article/10.3847/1538-4357/ac6024

Characterising Atmospheres of Cloudy Temperate Mini-Neptunes with JWST
https://arxiv.org/abs/2205.01690

Fingering convection in the stably-stratified layers of planetary cores
https://arxiv.org/abs/2205.01761

TOI-2046b, TOI-1181b and TOI-1516b, three new hot Jupiters from \textit{TESS}: planets orbiting a young star, a subgiant and a normal star
https://arxiv.org/abs/2205.01860

May 4, 2022 updates

Dayside Fe i Emission, Day–Night Brightness Contrast and Phase Offset of the Exoplanet WASP-33b
https://iopscience.iop.org/article/10.3847/1538-3881/ac5f4d

Biological Homochirality and the Search for Extraterrestrial Biosignatures
https://arxiv.org/abs/2205.01193

Global 3D simulation of the upper atmosphere of HD189733b and absorption in metastable HeI and Lyα lines
https://arxiv.org/abs/2205.01341

A survey of sodium absorption in ten giant exoplanets with high-resolution transmission spectroscopy
https://arxiv.org/abs/2205.01623

Radio masers on WX UMa: hints of a Neptune-sized planet, or magnetospheric reconnection?
https://arxiv.org/abs/2205.01661

The Directly-Imaged Exoplanet Host Star 51 Eridani is a Gamma Doradus Pulsator
https://arxiv.org/abs/2205.01103

May 3, 2022 updates

Volcanic Climate Warming Through Radiative and Dynamical Feedbacks of SO2 Emissions
https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2021GL096612

Integral Field Spectroscopy with the Solar Gravitational Lens
https://iopscience.iop.org/article/10.3847/1538-4357/ac5e9d

Secular chaos in white-dwarf planetary systems: Origins of metal pollution and short-period planetary companions
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stac1189/6577138

Analytical Modeling of Exoplanet Transit Spectroscopy with Dimensional Analysis and Symbolic Regression
https://iopscience.iop.org/article/10.3847/1538-4357/ac610c

Evaluating the Evidence for Water World Populations using Mixture Models
https://arxiv.org/abs/2205.00006

Evidence for the Late Arrival of Hot Jupiters in Systems with High Host-star Obliquities
https://arxiv.org/abs/2205.00040

Cloud formation in Exoplanetary Atmospheres
https://arxiv.org/abs/2205.00454

The transmission spectrum of WASP-17 b from the optical to the near-infrared wavelengths: combining STIS, WFC3 and IRAC datasets
https://arxiv.org/abs/2108.13721

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