The velocity field and structure of the HH 7-HH 11 complex

Details The velocity field and structure of the HH 7-HH 11 complex The velocity field and structure of the HH 7-HH 11 complex

May 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987aj.....93.1172s&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 93, May 1987, p. 1172-1181.

Astronomy and Astrophysics

Astronomy

71

Electron Density (Concentration), Herbig-Haro Objects, Stellar Spectra, Velocity Distribution, H Alpha Line, Infrared Sources (Astronomy), Interstellar Masers, Photoelectron Spectroscopy

Scientific paper

The authors have studied the HH 7-HH 11 complex of Herbig-Haro objects using optical long-slit spectra of high spatial (1 - 2arcsec) and spectral (≡20 km s-1) resolution. From these spectra, they have derived the position dependence of line profiles, centroid velocities, velocity dispersions, and intensity ratios, including the [S II] 6716/6731 ratio, which permits a determination of the electron densities. These data have been determined for the HH objects themselves and for the "diffuse" matter which forms bridges between HH 7, HH 8, and HH 10. The HH 7-HH 11 complex seems to consist of two subsystems, namely, (1) a system consisting of HH 7, HH 8, HH 10, and the bridges between these objects and (2) HH 11. The electron densities, kinematics and structure of these two systems are discussed in detail.

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