Matteo Monelli and Ignacio Trujillo 2019 ApJL 880 L11
Distance measurements using the tip of the red giant branch place the second galaxy claimed to be missing dark matter, NGC 1052-DF4, 6 Mpc closer than previously determined, making its properties less extreme.
Xueying Guo et al 2019 ApJ 880 64
A comparison of the Spitzer- and Kepler-bandpass apparent radii of a sample of 28 transiting super-Earths/mini-Neptunes around M/K dwarfs reveals that these small, temperate planets fall into two populations.
Edward G. Schmidt 2019 ApJL 880 L7
A search for stars exhibiting peculiar dipping behavior like Boyajian’s star using data from the Northern Sky Variability Survey and the All Sky Automated Survey for Supernovae turned up 21 possible analogous dippers.
P. Picozza et al 2019 ApJS 243 16
The HEPD on board the China Seismo-Electromagnetic Satellite (CSES) will precisely observe electrons, protons, and light nuclei, monitoring perturbations in the iono-magnetosphere and inner Van Allen radiation belts.
Meng-Ru Wu et al 2019 ApJ 880 23
Modeling suggests that multiple remnants from past binary neutron star mergers in our galaxy should be detectable as individual sources by next-generation γ-ray telescopes.
Audrey Thirouin and Scott S. Sheppard 2019 AJ 158 53
The likely and potential contact binaries discovered in the dynamically cold classical population of the Kuiper Belt display very red/ultra-red colors, suggesting that these binaries likely formed in situ.