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), p. 489—501

Line.

Wave

length.

Spectra in which corresponding lines are observed.

Remarks.

6

7

8

9

10

11

12

20601 2016-9 r 2013-6 1 20131 2007-3 2005-3 / 1998-4 1 1997-9 1985-8

Iron.

It

yy

V

ft

tt

if

tf

Strong line. Weak.

1985-3 1 1984-2 I

IS

1983-5 J 1974-2

Double line, like E.

Double line, like E. Double line, like E.

14

15

16 17

E

1969-6 1968-1 1965-3 1953-2 r 1948-44 I 1 1948-04 / 1946-8

ft

tt

tt

tt

Iron and calcium.

1934-6

1936-4

1919-6

Iron.

I

h

*«

e

1916-50 1912-39 r 1911-10 1 1910-49 1903-4 1832-70

1819-1 \ 1818-4 /

1808-3

Magnesium.

tt

Iron and magnesium. Iron. tt tt

............1

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

F

f

G

1801-1

1797-27

1632-2

1628-5

1620-4

1604-3

1598-8

1592-34

1579-1

1574-7

1571-2

1562-4

tt

Hydrogen.

Iron.

tt

tt

Hydrogen.

Iron.

»

tt

tt

tt

A

1532-0

1515-9

1505-3

Unknown.

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

Very strong line.

Strong line.

1502-0

1495-2

¹¹

1480-4

Unknown .........

H

1467-2

1454-0

Calcium.

tt