Joseph L. Hora et al 2018 ApJS 238 22

Light curves, periods, and amplitudes are presented for a subset of 38 near-Earth objects observed at 4.5 μm with the IRAC camera on the the Spitzer Space Telescope.

Travis A. Berger et al 2018 ApJ 866 99

Revised radii of 177,911 Kepler stars and their planets are calculated from Gaia DR2 data; ~67% of all Kepler targets are found to be main-sequence stars, ~21% subgiants, and ~12% red giants.

Elisabeth R. Newton et al 2018 AJ 156 217

Long-term, ground-based photometric monitoring from the MEarth Observatory is used to measure 234 rotation periods for nearby, southern hemisphere M dwarfs, including exoplanet hosts like Proxima Centauri.

Valeria Korol et al 2018 ApJL 866 L20

Between a dozen to several tens of double white dwarf binaries should be above the nominal detection threshold for LISA in neighboring galaxies within the Local Group, for a mission duration between 4 and 10 years.

T. S. Li et al 2018 ApJ 866 22

A spectroscopic study of the tidal tails and core of the Milky Way satellite Tucana III reveal a spread in metallicity, suggesting that the satellite is likely a dwarf galaxy rather than a star cluster.

Haining Li et al 2018 ApJS 238 16

A search for very metal-poor ([Fe/H]<-2.0) stars in the Milky Way resulted in a sample of 10,008 stars — the largest number of candidates to date that are bright enough for high-resolution follow-up with 4–10 m telescopes.