Astronomy Picture of the Day web pointer
Black holes at galactic centers
Milky Way (remote view)
Andromeda more pictures dual core (black holes?)
Some technical details:
Initial setup - Toomre&Toomre model -> full simulation
Treecode and GyrfalcON timings and comparisons
5 10:56 mkdir falco-test
6 10:56 cd falco-test/
7 10:56 mv ../galaxy .
8 10:56 ls
9 10:56 nedit galaxy &
10 10:57 ls
11 11:44 ls
12 11:45 ls
13 11:46 cp galaxy x.tab
14 11:47 gyrfalcON
15 11:48 echo $SHELL
16 11:49 source /software/physics/nemo/nemo_start
17 11:49 env
18 11:49 gyrfalcON
19 11:53 ls
20 11:53 clear
21 11:53 ls
22 11:58 tabtos in=x.tab out=x.snap header=nbody,time
block1=mass,pos,vel 23 11:58 ls
24 12:01 gyrfalcON in=x.snap out=xrun.snap tstop=10 Nlev=1
eps=0.01
25 12:03 ls
26 12:04 tsf xrun.snap
27 12:04 ls
28 12:05 snapprint in=xrun.snap options=m,x,y,z,vx,vy,vz
header=t > xrun.tab
Some useful pointers: