Excitation Fraction

Back to Tools By: Carter Chamberlain

DESCRIPTION:

The following Java applet is an interactive plot showing the ratio of the excited population to the unexcited population for several ions, plotted against the electron number density.

CONTROLS:

The controls are identical to the Ionization Fraction program.

COPYRIGHT:

This page and program was created by Carter Chamberlain for the Quasar Outflow group, led by Dr. Nahum Arav, at Virginia Tech.

The data for the program was obtained using the CHIANTI atomic database (Dere et al.)

Project codename: ExFrac

REFERENCES:

Dere et al., 2009; A&A 498, 915