Gravitational potential energy of a pair of overlapping galaxies |
| |
| Authors: | Farooq Ahmad |
| |
| Institution: | (1) Department of Physics, University of Kashmir, Srinagar, Kashmir, India |
| |
| Abstract: | The interaction of the gravitational potential energy of a pair of overlapping Plummer-model galaxies is determined exactly for various separationsr of their centres. It is shown that the results can be well represented by the simple relationW(r)=–GM
1
M
2/(r
2+
2)1/2, where 1/ is the average reciprocal distance between the stars of two galaxies of massesM
1 andM
2 when they have zero separation. |
| |
| Keywords: | |
| 本文献已被 SpringerLink 等数据库收录！ |
|
