Kansas University quarterly . Note on the Yellow Helium Line. A. . DUNSTAN AND M. E. KICE. The published results for the distance between the two compo-nents of the yellow helium line (5876) are not concordant; andfurther seem to indicate that the distance is greater for solar heliumthan for that contained in a vacuum tube. Thus Runge andPaschen (Nature, June 6th, 1895) using a Geissler tube find forthe wave lengths of the two components and units, the latter being the weaker line. Mohler and Jewell(Astrophys. Journ. 3, p. 351-355) find for Geissler tube helium X
Kansas University quarterly . Note on the Yellow Helium Line. A. . DUNSTAN AND M. E. KICE. The published results for the distance between the two compo-nents of the yellow helium line (5876) are not concordant; andfurther seem to indicate that the distance is greater for solar heliumthan for that contained in a vacuum tube. Thus Runge andPaschen (Nature, June 6th, 1895) using a Geissler tube find forthe wave lengths of the two components and units, the latter being the weaker line. Mohler and Jewell(Astrophys. Journ. 3, p. 351-355) find for Geissler tube helium X,= and A2= The distances between the compo-nents deduced from these two sets are .323 and .335 the other hand, Hale and Ellerman (Astrophys. Journ. 2, p. 165.)and Mohler and Jewell (1. c.) find for solar helium distances and .341 respectively. The foregoing results having all been obtained by means ofgratings it seemed to the writers desirable to make an independentdetermination by mean
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