Abstract
view Abstract Citations (32) References (18) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Very low-excitation Herbig-Haro objects. Boehm, K. H. ; Mannery, E. ; Brugel, E. W. Abstract Spectrophotometric observations show that H-H 7 and H-H 11 belong to a class of very low-excitation Herbig-Haro objects of which H-H 47 has been the only known example. Typical properties include line flux ratios which are considerably larger than 1, very strong (O I) and (C I) lines, as well as relatively faint (O II) lines. So far no shock-wave models are available for these low-excitation objects. H-H 7 and H-H 11 have electron densities which are lower by about one order of magnitude, and electron temperatures which are slightly lower than those for high-excitation objects. Publication: The Astrophysical Journal Pub Date: February 1980 DOI: 10.1086/183177 Bibcode: 1980ApJ...235L.137B Keywords: Herbig-Haro Objects; Line Spectra; Shock Waves; Stellar Spectrophotometry; Emission Spectra; Forbidden Bands; Stellar Envelopes; Astronomy full text sources ADS | data products SIMBAD (13)
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