Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...305..795s&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 305, June 15, 1986, p. 795-804.
Astronomy and Astrophysics
Astrophysics
72
Electron Density (Concentration), Herbig-Haro Objects, Pre-Main Sequence Stars, Shock Wave Propagation, Supersonic Flow, H Alpha Line, Isophotes, Radial Velocity, Stellar Spectra
Scientific paper
Observations of condensations A, B, C, and D of the HH 32 complex, obtained at 649-679 nm through a 2.2 x 117-arcsec slit at eight position angles using a two-stage magnetically focused image-intensifier tube and 90-cm-focal-length f/3 camera in the coude spectrograph on the 2.1-m Calar Alto telescope during September 1983, are reported. The data are presented in position-velocity contour diagrams, intensity/velocity profiles, radial-velocity and line-intensity distributions, and maps. The four condensations are found to appear as separate entities with similar internal velocity fields, high-velocity components located 0.6-0.7 arcsec closer to the central star than the low-velocity components, and electron densities about constant as functions of radial velocity-findings consistent with a bow shock with axis 20 deg from the line of sight.
Boehm Karl-Heinz
Raga Alejandro C.
Solf Josef
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