Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992pasp..104..251b&link_type=abstract
Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 104, no. 674, April 1992, p. 251-257.
Astronomy and Astrophysics
Astronomy
3
Herbig-Haro Objects, Stellar Radiation, Stellar Spectra, Ultraviolet Spectra, Visible Spectrum, Forbidden Bands, Radiant Flux Density, Spatial Distribution, Spectral Line Width, Ultraviolet Emission
Scientific paper
The spectrum of the brightest part (HH 24A) of the complex Herbig-Haro object HH 24 is investigated in the short-wavelength (1300-1930 A) UV range. The UV spectrum is detected in three observations with exposure times of 560-680 min. The spectrum shows only a continuum or a quasi-continuum and is neither comparable to that of a typical high-excitation object like HH 1 or HH 2, nor to that of a low-excitation object like HH 43 or HH 47. Two of the three spectra show a surprisingly similar detailed wavelength structure. A study of the spatial distribution of the UV continuum emission shows that this distribution is considerably wider than that of the optical forbidden-line emission, e.g., the forbidden S II 6716/6731 lines.
Boehm Karl-Heinz
Brugel Edward W.
Noriega-Crespo Alberto
Solf Josef
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