1.1k citations · 6.3k across the 94 of their papers we have counts for
Showing 2001Show all
3 papers · 1 filter
astro-ph2001
Distinguishing Dark Matter from Modified Gravity
J. A. Sellwood, A. Kosowsky
Dynamical mass discrepancies in galaxies have two possible explanations: the existence of large amounts of dark matter or the breakdown of Newtonian gravity. True dark matter halos…
astro-ph2001★ 5 cited
Ellipticals and Bars: Central Masses and Friction
J. A. Sellwood
I give a very brief review of aspects of internal dynamics that affect the global shape of a galaxy, focusing on triaxiality, bars and warps. There is general agreement that large…
astro-ph2001★ 26 cited
Long-lived lop-sided modes of annular disks orbiting a central mass
V. Jacobs, J. A. Sellwood
We demonstrate the existence of long-lived, large-amplitude eccentric modes in massive, annular particle disks in orbit about a central mass. The lopsided modes we have found prece…