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Ultraviolet spectra of HH 1 and HH 2 - Spatial variations and the continuum problem
Boehm, K.-H.; Buehrke, Th.; Raga, A. C.; Brugel, E. W.; Witt, A. N.; Mundt, R.
AA(Washington, University, Seattle), AB(Washington, University, Seattle), AC(Max-Planck-Institut für Astronomie, Heidelberg, Germany), AD(Colorado, University, Boulder), AE(Toledo, University, OH)
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 316, May 1, 1987, p. 349-359. (ApJ Homepage)
Publication Date:
NASA/STI Keywords:
Pre-Main Sequence Stars, Stellar Spectrophotometry, Ultraviolet Spectra, Continuous Spectra, Spatial Distribution
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High-SNR 12-hr and 14-hr ultraviolet spectra of HH 1 and HH2 in the IUE short-wavelength range are reported. HH 1 data show a (spatial) half-width of the image size in the C IV 1548-A, 1551-A line which is smaller than the spatial half-width for the semiforbidden C II 1907-A, 1909-A line. A qualitatively similar situation is shown for HH 2, although differences in the image sizes are smaller than for HH 1. The continua of HH 1 and HH2 are found to have a relatively similar wavelength dependence, even in rather small features, and to both have their maxima between 1570 and 1580 A. It is noted that the observed wavelength of the continuum maximum agrees with the position of the maximum of the H2 fluorescence spectrum.

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