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J/PASP/106/745      The Spectrum of IC 418              (Hyung+ 1994)
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The Spectrum of the Planetary Nebula, IC 418
    Hyung S., Aller L.H., Feibelman W.A.
   <Publ. Astron. Soc. Pac. 106, 745, (1994)>
   =1994PASP..106..745H
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ADC_Keywords: Planetary nebulae ; Spectra, ultraviolet

Abstract:
   A detailed high spectral resolution study of the spectrum of IC 418
   is made for the region 3650 A to 10050 A, using the Hamilton
   echelle spectrograph of Lick Observatory, and of the UV spectral
   region with archival International Ultraviolet Explorer (IUE) data.

File Summary:
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  FileName        Lrecl          Records     Explanations
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ReadMe               80                .     This file
table5.dat           69              246     Optical Region line Intensities
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Byte-by-byte Description of file: table5.dat
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  Bytes   Format  Units   Label     Explanations
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  1-  8   F8.2    0.1nm   lam.obs  *?The observed wavelength
 10- 17   F8.2    0.1nm   lam.lab   ?The laboratory wavelength
 20- 32   A13     ---     id        The line identification
 34- 41   A8      ---     mult      The multiplet number
 43- 48   F6.3    ---     k        *?Extinction
 50- 55   F6.2    ---     I        *?Relative intensity to I(Hbeta=100)
 57- 63   F7.2    ---     F         ?The un-corrected flux relative to
                                     F(Hbeta)=100.
 66- 69   F4.1    ---     e_F       ? Formal root-mean-square error
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Note on lam.obs:
   The observed wavelength in A corrected for the radial velocity,
   V_{rad} = 37.375 km/s.
Note on k:
   The extinction coefficient, k_{\lambda}, as tabulated from
   equations given by Seaton (1979MNRAS.187p..73S)
Note on I:
   the flux I(lam) relative to I(Hbeta) =100 corrected for
   interstellar extinction, C = log I(H beta)/F(H beta) = 0.21, a
   value derived by comparing reliable Balmer and Paschen lines. that
   is, the extinction at lambda 4861 is 0.21 dex.
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(End)             Nancy G. Roman    [ADC/SDDOO]                      20-Mar-1995