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21. The spectrum of η carinae

Published online by Cambridge University Press:  02 August 2017

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The spectrum of η Carinae as recorded by the two-prism Cassegrain spectrograph of the Radcliffe Observatory in the range 3677-8863 A. consists of over 300 rather sharp bright lines, of which the identified lines are distributed among the elements as follows:

Element No. of emission lines Maximum Intensity Element No. of emission lines Maximum Intensity
H 19 1000: Ca II 0
He 7 45 Se II ?1 6:
[N II] 3 30 Ti II 21 4
O I ?1 (6) V II 10 1
[Ne III] 2 4 Cr II 20 5
Na I 1 18 [Cr II] 3 (4)
Mg I 2 6- Fe II 91 50
Mg II 1 1 [Fe II] 82 60
Si II 5 10- Fe III 1 6:
[P II] 1 (2) [Fe III] 3 5
[S II] 2 12 Ni II 5 6:
[S III] ?1 10 [Ni II] 8 18
[Cu II] 1 1·5
Total 291

Information

Type
Part IV Symposia
Copyright
Copyright © Cambridge University Press 1954