Long-lived lop-sided modes of annular disks orbiting a central mass

Details Long-lived lop-sided modes of annular disks orbiting a central mass Long-lived lop-sided modes of annular disks orbiting a central mass

2001-05-16

arxiv.org/abs/astro-ph/0105286v1

Astrophys.J. 555 (2001) L25-L28

Astronomy and Astrophysics

Astrophysics

4 pages, 3 figures, to appear in ApJ Letters, LaTeX (uses emulateapj.sty)

Scientific paper

10.1086/321728

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 precess slowly in the prograde direction at a rate which increases with disk mass and decreases with the amplitude of the distortion. The lopsidedness generally survives for as long as we run the calculations and may last indefinitely; we found no significant decay in over 700 disk-particle orbits in one case. These strongly non-linear modes are readily created using a number of different perturbing rules, but we find no evidence for linear instabilities in unperturbed disks. Our results suggest that Tremaine's eccentric disk model for the nucleus of M31 may be viable, but none of our models matches all aspects of the observational data.

Affiliated with

Also associated with

No associations

Rating

Long-lived lop-sided modes of annular disks orbiting a central mass does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Long-lived lop-sided modes of annular disks orbiting a central mass, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Long-lived lop-sided modes of annular disks orbiting a central mass will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-184436