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.

April 27, 2020 updates

Radiation Effects on Astronautic Fertility in Space: Deep Space Policy
https://www.sciencepolicyjournal.org/article_1038126_jspg_16_01_01.html

Pulsar Positioning System: A quest for evidence of extraterrestrial engineering
https://www.academia.edu/31878996/Pulsar_Positioning_System_A_quest_for_evidence_of_extraterrestrial_engineering

Are we going to Alpha Centauri?
https://scivpro.com/manuscript/10_32386_scivpro_000019/

E|A|S (Evolving Asteroid Starships)
https://link.springer.com/chapter/10.1007%2F978-3-030-33471-0_67

Tidal evolution of exoplanetary systems hosting Potentially Habitable Exoplanets. The cases of LHS-1140 b-c and K2-18 b-c
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/staa1110/5825369

The Extended Kardashev Scale
https://iopscience.iop.org/article/10.3847/1538-3881/ab792b

Astrophysical Insights into Radial Velocity Jitter from an Analysis of 600 Planet-search Stars
https://iopscience.iop.org/article/10.3847/1538-3881/ab855a

Light-induced propulsion of graphene-on-grid sails in microgravity
https://www.sciencedirect.com/science/article/abs/pii/S0094576520301582

Radiation conditions in relativistic interstellar flight
https://arxiv.org/abs/2004.10079

The multi-planet system TOI-421 — A warm Neptune and a super puffy mini-Neptune transiting a G9 V star in a visual binary
https://arxiv.org/abs/2004.10095

April 24, 2020 updates

ALMA 0.88 mm Survey of Disks around Planetary-mass Companions
https://iopscience.iop.org/article/10.3847/1538-3881/ab818c

The Impact of Planetary Rotation Rate on the Reflectance and Thermal Emission Spectrum of Terrestrial Exoplanets around Sunlike Stars
https://iopscience.iop.org/article/10.3847/1538-4357/ab83ec

Assessment of Supervised Machine Learning for Atmospheric Retrieval of Exoplanets
https://arxiv.org/abs/2004.10755

TESS unveils the phase curve of WASP-33b. Characterization of the planetary atmosphere and the pulsations from the star
https://arxiv.org/abs/2004.10767

TESS discovery of a super-Earth and three sub-Neptunes hosted by the bright, Sun-like star HD 108236
https://arxiv.org/abs/2004.11314

Neutral Iron Emission Lines From The Day-side Of KELT-9b — The GAPS Programme With HARPS-N At TNG XX
https://arxiv.org/abs/2004.11335

What’s in a name: the etymology of astrobiology
https://arxiv.org/abs/2004.11312

April 21, 2020 updates

New HST data and modeling reveal a massive planetesimal collision around Fomalhaut
https://www.pnas.org/content/early/2020/04/15/1912506117

The carbon monoxide-rich interstellar comet 2I/Borisov
https://www.nature.com/articles/s41550-020-1095-2

Unusually high CO abundance of the first active interstellar comet
https://www.nature.com/articles/s41550-020-1087-2

Focal Plane Wavefront Sensing with the FAST TGV Coronagraph
https://iopscience.iop.org/article/10.1088/1538-3873/ab84c9

Searching for the near infrared counterpart of Proxima c using multi-epoch high contrast SPHERE data at VLT
https://arxiv.org/abs/2004.06685

High-resolution Transmission Spectroscopy of MASCARA-2 b with EXPRES
https://arxiv.org/abs/2004.08415

OGLE-2017-BLG-0406: Spitzer Microlens Parallax Reveals Saturn-mass Planet orbiting M-dwarf Host in the Inner Galactic Disk
https://arxiv.org/abs/2004.09067

WASP-4 transit timing variation from a comprehensive set of 129 transits
https://arxiv.org/abs/2004.09109

April 20, 2020 updates

Cheops observes its first exoplanets and is ready for science
http://www.esa.int/Science_Exploration/Space_Science/Cheops/Cheops_observes_its_first_exoplanets_and_is_ready_for_science

Mitigating flicker noise in high-precision photometry I. Characterization of the noise structure, impact on the inferred transit parameters, and predictions for CHEOPS observations
https://www.aanda.org/articles/aa/full_html/2020/04/aa37412-19/aa37412-19.html

The atmospheres of rocky exoplanets I. Outgassing of common rock and the stability of liquid water
https://www.aanda.org/articles/aa/full_html/2020/04/aa36614-19/aa36614-19.html

Exoplanet System Kepler-2 with comparisons to Kepler-1 and 13
https://arxiv.org/abs/2004.07971

Inertial modes of a freely rotating ellipsoidal planet and their relation to nutations
https://arxiv.org/abs/2004.08218

Frequency Modulation of Directly Imaged Exoplanets: Geometric Effect as a Probe of Planetary Obliquity
https://arxiv.org/abs/1603.02898

Detectability of Molecular Signatures on TRAPPIST-1e through Transmission Spectroscopy Simulated for Future Space-Based Observatories
https://arxiv.org/abs/2001.01338