| X-ray Masses for Clusters |
|
|
|
|
|
|
|
|
|
|
|
|
| • | Fabricant,
Lecar, and Gorenstein: |
||||||||||
| – | For
ionized gas, cosmic abundances, μ = 0.6 |
||||||||||
| – | Differentiating
the gas law, and inserting into |
||||||||||
| the
hydrostatic equation: |
|||||||||||
| – | So,
the mass distribution can be found if the |
||||||||||
| variation
of pressure and temperature with |
|||||||||||
| radius
are known (measured). |
|||||||||||