Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...211.6201q&link_type=abstract
American Astronomical Society, AAS Meeting #211, #62.01; Bulletin of the American Astronomical Society, Vol. 39, p.847
Astronomy and Astrophysics
Astronomy
Scientific paper
Bipolar outflows are produced by protostars as they draw gas from surrounding accretion disks. As these outflows collide with the interstellar medium, bow shocks are produced, giving rise to Herbig-Haro knots. A Herbig-Haro flow is a sign that active accretion is occurring in a protostellar system. In an effort to constrain the time available for giant planet formation in gas- rich disks, we seek to find weak Herbig-Haro flows by sensitively mapping the entire R Corona Australis star forming region. Between ≤ 1 and 6 Myrs old (Neuhäuser et al. 2000), and located approximately 129±11pc away (Casey et al. 1998), the R Corona Australis region is home to approximately 50 young stars (Neuhäuser et al. 2000). We have imaged this region in the near-IR using a narrow band H2 S(1) filter that isolates emission from the ν=1, J=3 level of H2 at 2.12 μm. We will present preliminary results of this analysis.
Quick Lynnae C.
Roberge Aki
Weinberger Alycia J.
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