Zeeman Effect in Satellites of Mercury Lines. 



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Preliminary examination of the strong satellites of the 

 violet line 4359, which is a sextet, shows that the types of 

 separation are not much different from those already found 

 for the violet and the green line, and we hope to give a more 

 exact description in the next communication. 



The interesting experiments by Paschen and Back * have 

 an important bearing on the present investigation, but 

 it is questionable if the theories proposed by Sonimerfeld 

 and by Voigt can be extended to the anomalous effect in the 

 satellites of mercury lines. We have no doubt that the 

 observed effects will be of some help in elucidating the 

 nature of the satellites. 



Summary* 



1. The separation of the satellites of the mercury lines 

 4047 and 5461 in magnetic fields is generally anomalous, 

 and the change in wave-length is not linearly proportional 

 to the strength of the field. 



2. In high fields some branches of the satellites vanish, 

 and the rate of change of wave-length with corresponding- 

 increase of the field becomes equal to that for the branches 

 of the principal line. 



3. The intensity of different branches of satellites is 

 generally unequal. 



4. For 5-components, the state given in (2) is reached in 

 fields weaker than for p-components. 



August 7, 1913. 



* Paschen and Back, Ann. d. Phys, xxxix. p. 897 (19] 2). 



