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.

July 1, 2021 updates

Dynamical tide in stellar radiative zones – General formalism and evolution for low-mass stars
https://www.aanda.org/articles/aa/full_html/2021/07/aa40174-20/aa40174-20.html

The SOPHIE search for northern extrasolar planets – XVII. A wealth of new objects: Six cool Jupiters, three brown dwarfs, and 16 low-mass binary stars
https://www.aanda.org/articles/aa/full_html/2021/07/aa40712-21/aa40712-21.html

Disequilibrium Chemistry in Exoplanet Atmospheres Observed with the Hubble Space Telescope
https://iopscience.iop.org/article/10.3847/1538-3881/abfdad

The California Legacy Survey. I. A Catalog of 178 Planets from Precision Radial Velocity Monitoring of 719 Nearby Stars over Three Decades
https://iopscience.iop.org/article/10.3847/1538-4365/abe23c

Looking for Astrometric Signals below 20 m s−1: A Jupiter-mass Planet Signature in ε Eri
https://iopscience.iop.org/article/10.3847/2515-5172/ac0f59

Rotation periods of TESS Objects of Interest from the Magellan-TESS Survey with multiband photometry from Evryscope and TESS
https://arxiv.org/abs/2106.15638

Catwoman: A transit modelling Python package for asymmetric light curves
https://arxiv.org/abs/2106.15643

Constraining mornings & evenings on distant worlds: a new semi-analytical approach and prospects with transmission spectroscopy
https://arxiv.org/abs/2106.15687

June 30, 2021 updates

Conceptual discussion around the notion of the human being as an inter and multiplanetary species
https://www.cambridge.org/core/journals/international-journal-of-astrobiology/article/abs/conceptual-discussion-around-the-notion-of-the-human-being-as-an-inter-and-multiplanetary-species/15B38A98CE1C27A58D4AE41778B91054

Cometary Panspermia — Overcoming Cultural Constraints
https://www.worldscientific.com/doi/abs/10.1142/S266133952130001X

Metastable Helium Absorptions with 3D Hydrodynamics and Self-consistent Photochemistry. I. WASP-69b, Dimensionality, X-Ray and UV Flux Level, Spectral Types, and Flares
https://iopscience.iop.org/article/10.3847/1538-4357/abf1ee/meta

Self-stabilizing curved metasurfaces as a sail for light-propelled spacecrafts
https://www.osapublishing.org/oe/fulltext.cfm?uri=oe-29-14-21562

The CARMENES search for exoplanets around M dwarfs – Two terrestrial planets orbiting G 264–012 and one terrestrial planet orbiting Gl 393
https://www.aanda.org/articles/aa/full_html/2021/06/aa40633-21/aa40633-21.html

The History and Origins of Directed Panspermia
https://iopscience.iop.org/article/10.3847/2515-5172/ac0f5a

Metalaw – What is it good for?
https://www.sciencedirect.com/science/article/abs/pii/S0094576521003362

A Pilot Radio Search for Magnetic Activity in Directly Imaged Exoplanets
https://arxiv.org/abs/2106.14994

A Dyson Sphere around a black hole
https://arxiv.org/abs/2106.15181

GMRT observations of the exoplanetary systems τ Boötis and 55 Cancri
https://arxiv.org/abs/2106.15246

An inventory of atomic species in the atmosphere of WASP-121b using UVES high-resolution spectroscopy
https://arxiv.org/abs/2106.15394

June 29, 2021 updates

Transit detection of the long-period volatile-rich super-Earth ν2 Lupi d with CHEOPS
https://www.nature.com/articles/s41550-021-01381-5

A search for transiting planets around hot subdwarfs – I. Methods and performance tests on light curves from Kepler, K2, TESS, and CHEOPS
https://www.aanda.org/articles/aa/abs/2021/06/aa40381-21/aa40381-21.html

Photometric follow-up observations and transit timing analysis of HAT-P-37b
https://academic.oup.com/pasj/advance-article-abstract/doi/10.1093/pasj/psab059/6310904

Analytical Solution of the Tidal Evolution of Eccentricity and Semimajor Axis for Close-in Planets
https://iopscience.iop.org/article/10.3847/2515-5172/ac0e96

A Fast Response Mission to Rendezvous with an Interstellar Object
https://arxiv.org/abs/2106.14319

Exoplanet X-ray irradiation and evaporation rates with eROSITA
https://arxiv.org/abs/2106.14550

Transmission spectroscopy with VLT FORS2: a featureless spectrum for the low-density transiting exoplanet WASP-88b
https://arxiv.org/abs/2106.14808

The Temporal Onset of Habitability For Earth-Like Planets
https://arxiv.org/abs/2106.14852

A Criterion for the Onset of Chaos in Compact, Eccentric Multiplanet Systems
https://arxiv.org/abs/2106.14863

June 28, 2021 updates

On-Board Decision Making in Space with Deep Neural Networks and RISC-V Vector Processors
https://arc.aiaa.org/doi/10.2514/1.I010916

The similarity of the interstellar comet 2I/Borisov to Solar System comets from high-resolution optical spectroscopy
https://www.aanda.org/articles/aa/full_html/2021/06/aa41245-21/aa41245-21.html

A brief history of the term ‘habitable zone’ in the 19th century
https://www.cambridge.org/core/journals/international-journal-of-astrobiology/article/abs/brief-history-of-the-term-habitable-zone-in-the-19th-century/73FAD17A3E1F7B58CDDE64A79D941CF7

New giant planet beyond the snow line for an extended MOA exoplanet microlens sample
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stab1787/6309902

Searching For Transiting Planets Around Halo Stars. I. Sample Selection and Validation
https://arxiv.org/abs/2106.13251

Searching For Transiting Planets Around Halo Stars. II. Constraining the Occurrence Rate of Hot Jupiters
https://arxiv.org/abs/2106.13242

Implications of a search for intergalactic civilizations on prior estimates of human survival and travel speed
https://arxiv.org/abs/2106.13348

Speckle Observations of TESS Exoplanet Host Stars. II. Stellar Companions at 1-1000 AU and Implications for Small Planet Detection
https://arxiv.org/abs/2106.13354

The Exomoon Corridor for Multiple Moon Systems
https://arxiv.org/abs/2106.13421