Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
| Emitting species | Wavelength (nm) |
|---|---|
| Ca I | 422.67, 526.56 |
| Ca II | 393.36, 396.85 |
| Fe I | 371.99, 373.49, 374.56, 374.95, 438.35 |
| K I | 766.49, 769.90 |
| Mg I | 516.73, 517.27 |
| Na I | 568.82, 588.99, 589.59 |
