Abstract

The results of a revision and extension of the analysis of Ne ii, based on wavelengths in selected ranges between 2500 and 10 150 Å, have been used to identify Ne ii lines in the vacuum ultraviolet and to extend the analysis.

In the 1994- to 1647-Å range, 47 lines have been newly classified, 6 were classified previously; only about 10 lines, which might belong to Ne ii, remain unclassified. The number of newly found levels is 29, belonging to (3P)5s and (1D)5s (7 levels), (3P) 4d(10 levels), (3P)7f (11 levels), and (3P2)8f (1 level).

© 1969 Optical Society of America

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References

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  1. W. Persson and L. Minnhagen, Ark. Fys.  37, 273 (1968).
  2. K. W. Meissner, R. D. VanVeld, and P. G. Wilkinson, J. Opt. Soc. Am. 48, 1001 (1958).
    [Crossref]
  3. P. G. Wilkinson and K. L. Andrew, J. Opt. Soc. Am. 53, 710 (1963).
    [Crossref]
  4. L. Minnhagen, Ark. Fys.  21, 415 (1962).
  5. J. C. Boyce, Phys. Rev. 46, 378 (1934).
    [Crossref]
  6. L. Bloch, E. Bloch, and G. Déjardin, J. Phys. 7, 129 (1926).

1968 (1)

W. Persson and L. Minnhagen, Ark. Fys.  37, 273 (1968).

1963 (1)

1962 (1)

L. Minnhagen, Ark. Fys.  21, 415 (1962).

1958 (1)

1934 (1)

J. C. Boyce, Phys. Rev. 46, 378 (1934).
[Crossref]

1926 (1)

L. Bloch, E. Bloch, and G. Déjardin, J. Phys. 7, 129 (1926).

Andrew, K. L.

Bloch, E.

L. Bloch, E. Bloch, and G. Déjardin, J. Phys. 7, 129 (1926).

Bloch, L.

L. Bloch, E. Bloch, and G. Déjardin, J. Phys. 7, 129 (1926).

Boyce, J. C.

J. C. Boyce, Phys. Rev. 46, 378 (1934).
[Crossref]

Déjardin, G.

L. Bloch, E. Bloch, and G. Déjardin, J. Phys. 7, 129 (1926).

Meissner, K. W.

Minnhagen, L.

W. Persson and L. Minnhagen, Ark. Fys.  37, 273 (1968).

L. Minnhagen, Ark. Fys.  21, 415 (1962).

Persson, W.

W. Persson and L. Minnhagen, Ark. Fys.  37, 273 (1968).

VanVeld, R. D.

Wilkinson, P. G.

Ark. Fys (2)

W. Persson and L. Minnhagen, Ark. Fys.  37, 273 (1968).

L. Minnhagen, Ark. Fys.  21, 415 (1962).

J. Opt. Soc. Am. (2)

J. Phys. (1)

L. Bloch, E. Bloch, and G. Déjardin, J. Phys. 7, 129 (1926).

Phys. Rev. (1)

J. C. Boyce, Phys. Rev. 46, 378 (1934).
[Crossref]

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Tables (3)

Tables Icon

Table I The spectrum of Ne ii in the Schumann range. (Wavelengths according to Meissner, VanVeld, and Wilkinson2 and Wilkinson and Andrew.3 The origin of the unclassified lines is uncertain.)

Tables Icon

Table II New energy levels of Ne ii calculated from wavenumbers in Table I and Table III.

Tables Icon

Table III List of Ne ii lines due to (3P)4d–(3P)nf and (3P)5s–(3P)nf transitions.