no code implementations • 10 Dec 2020 • Daisuke Kawata, Junichi Baba, Jason A. S. Hunt, Ralph Schönrich, Ioana Ciucǎ, Jennifer Friske, George Seabroke, Mark Cropper
Using a numerical simulation of an isolated barred disc galaxy, we first demonstrate that the resonances of the inner bar structure induce more prominent features in the action space distribution for the kinematically hotter stars, which are less sensitive to the local perturbation, such as the transient spiral arms.
Astrophysics of Galaxies
1 code implementation • 19 Feb 2020 • Choong Ling Liew-Cain, Daisuke Kawata, Patricia Sanchez-Blazquez, Ignacio Ferreras, Myrto Symeonidis
However, it is demonstrated that the diversity of the dataset used to train the neural networks has a dramatic effect on the recovery of galactic stellar population parameters.
Astrophysics of Galaxies
no code implementations • 31 Jan 2019 • Tom Crossland, Pontus Stenetorp, Sebastian Riedel, Daisuke Kawata, Thomas D. Kitching, Rupert A. C. Croft
We present an approach for automatic extraction of measured values from the astrophysical literature, using the Hubble constant for our pilot study.