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  • ISM: jets and outflows  (3)
  • Springer  (3)
  • American Chemical Society
  • Wiley
  • 1995-1999  (3)
  • 1985-1989
Collection
Keywords
Publisher
  • Springer  (3)
  • American Chemical Society
  • Wiley
Years
  • 1995-1999  (3)
  • 1985-1989
Year
  • 1
    Electronic Resource
    Electronic Resource
    Near-infrared imaging of H2 in molecular outflows from young stars (1995)
    Springer
    Astrophysics and space science 224 (1995), S. 121-124 
    Details
    ISSN: 1572-946X
    Keywords: Shock waves ; ISM: jets and outflows ; ISM: molecules ; Infrared
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract In an attempt to identify the molecular shocks associated with the entrainment of ambient gas by collimated stellar winds from young stars, we have imaged a number of known molecular outflows in H2 v=1-0 S(1) and wide-band K. In each flow, the observed H2 features are closely associated with peaks in the CO outflow maps. We therefore suggest that the H2 results from shocks associated with the acceleration or entrainment of ambient, molecular gas. This molecular material may be accelerated either in a bow shock at the head of the flow, or along the length of the flow through a turbulent mixing layer.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00667834
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Shocks in the L 1551-IRS 5 outflow optical and near-infrared imaging (1995)
    Springer
    Astrophysics and space science 233 (1995), S. 51-54 
    Details
    ISSN: 1572-946X
    Keywords: Shock Waves ; ISM: jets and outflows ; ISM: kinematics and dynamics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We present new images of the well-known molecular outflow and Herbig-Haro complex L 1551-IRS 5. Deep, high-resolution images of the central region of the flow in [SII] λλ 6716,6731 and Hα (6565 Å) are complemented by a mosaic of much of the CO outflow in H2 v=1-0 S(1). While the optical data trace the intermediate-to-high excitation shocks in the flow (v shock 〉 30 – 50 km s−1), the near-IR data reveal the lower-excitation, molecular shocks (v shock ∼ 10–50 km s−1). In particular, the H2 data highlight the regions where the flow impacts and shocks ambient molecular gas.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00627330
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Near-infrared imaging in H2 of molecular (CO) outflows from young stars (1995)
    Springer
    Astrophysics and space science 233 (1995), S. 59-62 
    Details
    ISSN: 1572-946X
    Keywords: Shock Waves ; ISM: jets and outflows ; ISM: kinematics and dynamics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We have imaged several known molecular (CO) outflows in H2 v=1-0 S(1) and wide-band K in order to identify the molecular shocks associated with the acceleration of ambient gas by outflows from young stars. We detected H2 line emission in all the flows we observed: L 1157, VLA 1623, NGC 6334I, NGC 2264G, L 1641N and Haro 4-255. A comparison of the H2 data with CO outflow maps strongly suggests that “prompt entrainment” near the head of a collimated jet probably is the dominant mechanism for producing the CO outflows in these sources.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00627332
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    Paper (German National Licenses)
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