Shocks in the L 1551-IRS 5 outflow optical and near-infrared imaging

Details Shocks in the L 1551-IRS 5 outflow optical and near-infrared imaging Shocks in the L 1551-IRS 5 outflow optical and near-infrared imaging

Nov 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995ap%26ss.233...51d&link_type=abstract

Astrophysics and Space Science, Volume 233, Issue 1-2, pp. 51-54

Astronomy and Astrophysics

Astrophysics

Shock Waves, Ism: Jets And Outflows, Ism: Kinematics And Dynamics

Scientific paper

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.

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