Doppler Shifts and Spectra

Change the velocity of the source relative to the observer:

Relative Velocity (* c):   

Min Wavelength: Max Wavelength:

 

Balmer Series: Adds lines of Balmer series corresponding to n=3 through n=7.
Paschen Series: Adds lines of Paschen series corresponding to n=4 through n=8.
Lyman Series: Adds lines of Lyman series corresponding to n=2 through n=6.
Brackett Series: Adds lines of Brackett series corresponding to n=5 through n=8.

Positive Velocity indicates that the emitter moves TOWARD observer.
Negative Velocity indicates that the emitter moves AWAY from observer.