Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998a%26a...332..307s&link_type=abstract
Astronomy and Astrophysics, v.332, p.307-313 (1998)
Astronomy and Astrophysics
Astrophysics
36
Ism: Jets And Outflows, Infrared: Ism: Lines And Bands, Stars: Formation, Ism: Individual Objects: L1641-North, Ism: Individual Objects: Hh34
Scientific paper
We are conducting an unbiased search at lambda 2.12mu m for embedded molecular hydrogen jets thought to be associated with very young stellar objects, deeply embedded in dense cores in the OrionA molecular cloud. As a first result, we show a 0.4x0.5 degree mosaic centred on the L1641-N complex, revealing a number of previously unknown knots and chains of H_2 emission. A 5x5 arcmin close-up of L1641-N shows it to be a very active region, with at least one parsec-scale jet originating in the small embedded cluster: we also show 10mu m imaging to help identify the outflow source. Elsewhere in the mosaic, several knots in the HH34 jet are detected for the first time in H_2, and a new, deeply embedded jet is discovered next to it. These preliminary results demonstrate the power of H_2 imaging surveys in studying the large-scale role of jets and outflows in star formation.
McCaughrean Mark J.
Stanke Thomas
Zinnecker Hans
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