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BEGIN:VEVENT
DTSTAMP:20260917T194048Z
LAST-MODIFIED:20150310T145823Z
DTSTART:20150317T190000Z
DTEND:20150317T200000Z
UID:event1404@bu.edu
URL:http://physics.bu.edu/internal/events/show/1404
SUMMARY:Dissipative Dark Matter and the Andromeda Plane of Satellites
DESCRIPTION:Featuring Jakub Scholtz\, Harvard University\n\nPart of the HET
	 Seminar Series.\n\nAbstract:\nWe show that dissipative dark matter can pot
	entially explain the large observed mass to light ratio of the dwarf satell
	ite galaxies that have been observed in the recently identified planar stru
	cture around Andromeda\, which are thought to result from tidal forces duri
	ng a galaxy merger. Whereas dwarf galaxies created from ordinary disks woul
	d be dark matter poor\, dark matter inside the galactic plane not only prov
	ides a source of dark matter\, but one that is more readily bound due to th
	e dark matter’s lower velocity. Our initial N-body study shows that with 
	a thin disk of dark matter inside the baryonic disk\, mass-to-light ratios 
	as high as ~30 can be generated when tidal forces pull out patches of sizes
	 similar to the scales of Toomre instabilities of the dark disk. A full sim
	ulation will be needed to confirm this result.
LOCATION:PRB 595\, 3 Cummington Mall\, 02215
STATUS:CONFIRMED
CLASS:PUBLIC
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