Angström A. J. On a new determination of the lengths of waves of light, and on a method of determining, by optics, the translatory motion of the Solar system. // Phil. Mag., 1865, 29(4)

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Table II. (continued).

Line.

Wave

length.

Spectra in which corresponding lines are observed.

Remarks.

6

2060·1

Iron.

7

2016·9

8

2013·6

2013·1

9

2007·3

10

2005·3

11

1998·4

1997·9

12

1985·8

„ ...........................

Strong line.

1985·3

„ ...........................

Weak.

1984·2

1983·5

13

1974·2

„ ...........................

Double line, like E.

14

1969·6

15

1968·1

16

1965·3

17

1953·2

E

1948·44

Iron and calcium.

1948·04

1946·8

„ ...........................

Double line, like E.

1934·6

Iron.

1936·4

,,

1919·6

„ ..........................

Double line, like E.

b

1916·50

Magnesium.

bI

1912·39

bII

1911·10

Iron and magnesium.

1910·49

Iron.

1903·4

c

1832·70

1819·1

„ ...............

Iron when weakly incandescent gave but one of these lines; when strongly incandescent, however, a third was visible.

1818·4

1808·3

„ ......................

Double.

1801·1

F

1797·27

Hydrogen.

f

1632·2

Iron.

1628·5

1620·4

1604·3

Hydrogen.

1598·8

Iron.

G

1592·34

1579·1

1574·7

1571·2

g

1562·4

Calcium.............

Double line.

1532·0

Iron.....................

Double line; several weak lines were also visible between g and A.

h

1515·9

Unknown.

Very strong line.

1505·3

Iron.....................

Strong line.

1502·0

1495·2

1480·4

Unknown ..

H

1467·2

Calcium.

H

1454·0