Search Results for author: Kathryn V. Johnston

Found 2 papers, 1 papers with code

A Holistic Review of a Galactic Interaction

no code implementations14 Dec 2020 Douglas Grion Filho, Kathryn V. Johnston, Eloisa Poggio, Chervin F. P. Laporte, Ronald Drimmel, Elena D'Onghia

Our situation as occupants of the Milky Way (MW) Galaxy, bombarded by the Sagittarius dwarf galaxy, provides an intimate view of physical processes that can lead to the dynamical heating of a galactic disc.

Astrophysics of Galaxies

Spending too much time at the Galactic bar: chaotic fanning of the Ophiuchus stream

1 code implementation25 Jan 2016 Adrian M. Price-Whelan, Branimir Sesar, Kathryn V. Johnston, Hans-Walter Rix

The Ophiuchus stellar stream is peculiar: (1) its length is short given the age of its constituent stars, and (2) several probable member stars that lie close in both sky position and velocity have dispersions in these dimensions that far exceed those seen within the stream.

Astrophysics of Galaxies

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