J. A. Hodge et al 2019 ApJ 876 130
ALMA observations of six luminous submillimeter galaxies reveal clear curvature and/or clump-like structures bracketing elongated nuclear emission, suggestive of bars, star-forming rings, and spiral arms.
Kai-Kai Duan et al 2019 ApJL 876 L28
The forward shock afterglow emission of GW170817/GRB 170817A fits into a natural sequence with luminous short gamma-ray burst (sGRB) afterglow emission, supporting a GW170817-like merger origin of bright SGRBs.
Richard L. White et al 2019 ApJS 241 37
A new VLA radio survey of the Local-Group galaxy M33 produced a catalog of 2,875 sources, including 155 optical supernova remnants — the largest sample of remnants at known distances with multiwavelength coverage.
Y. Yang et al 2019 ApJ 876 122
Modeling suggests that black-hole binaries merging within the accretion disks of active galactic nuclei could be responsible for 10–50% of binary black hole gravitational-wave detections by LIGO/VIRGO.
L. G. Bouma et al 2019 AJ 157 217
TESS observations of the hot Jupiter WASP-4b show that its transits occur 81.6 ± 11.7 s earlier than predicted, suggesting this planet’s 1.3-day period is decreasing at a rate of –12.6 ms per year.
J. A. Mattias Green et al 2019 ApJL 876 L22
Numerical modeling of solar tides in a theoretical ancient ocean on Venus suggest that such tides could have had significant effects on the rotational history of the planet.