Guy Nir et al 2019 AJ 158 70
Telescopes with an elongated pupil rather than a circular aperture may be able to attain better contrast when searching for faint companions located at low separations from bright stars.
Suvadip Sinha et al 2019 ApJ 880 84
A study of 33 eruptive solar filament events indicates that eruptive filaments can be considered precursors to solar flares, and coronal mass ejections usually occur within 2 hours of the start time of the filament eruption.
Amri Wandel and Lev Tal-Or 2019 ApJL 880 L21
Two planets around the ultra-cool nearby M-dwarf Teegarden’s Star are among the most Earth-like planets yet discovered. Habitability modeling suggests that they are attractive targets for biosignature searches.
Nasibe Alipour et al 2019 ApJS 243 20
A method and a tool for solar flare prediction are developed by applying a classifying algorithm to information extracted from active-region (AR) images, analyzing time between occurrence of the AR and the first large flare.
Simona Giacintucci et al 2019 ApJ 880 70
The detection and confirmation of several more radio minihalos — diffuse synchrotron sources of unknown origin — support the picture in which that most, if not all, cool cores in massive clusters contain a minihalo.
L. C. Mayorga et al 2019 AJ 158 66
Models suggest that Neptune-sized planets with relatively low insolation and small semimajor axes are the most conducive to reflected light phase curve studies with the Transiting Exoplanet Survey Satellite (TESS).