Page 22 - spectroscopic-atlas-5_0-english_Neat

Spectroscopic Atlas for Amateur Astronomers 22

TABLE 02 Overview on the spectral classes
Hε 3970 He I 5876
Hδ 4101 Na I 5890/95 Telluric O2 Hα 6563 He I 6678
Hγ 4340
He I 4388
He I 4471
C III 4647/51
Hβ 4861
He I 4922
He I 5016
He I 5048
He II 5411

O9.5 Alnitak Richard Walker 2010/05©
25‘000°

B1 Spica

22‘000°

B7 Regulus

15‘000°

A1 Sirius

10‘000°

A7 Altair

7‘550°

F0 Adhafera

7‘030°

F5 Procyon
6‘330°

G2 Sun Fe l/Ca l 4455 - 59
5‘700° Fe l/Ca l 4526 - 29
Fe l/Ca l 5270
G8 Vindemiatrix Fe l 5328
4‘990°

K1.5 Arcturus

4‘290°

K5 Alterf
3‘950°

M1.5 Antares

3‘600°

M5 Rasalgethi

3‘300°

KHCa ll
Ca I 4227
CH 4300

TiO
TiO
TiO
Mg l 5167-83
„Mg Triplet“
TiO
TiO
TiO
TiO
TiO
TiO