Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26a...246..535r&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 246, no. 2, June 1991, p. 535-550.
Astronomy and Astrophysics
Astronomy
65
Herbig-Haro Objects, Infrared Sources (Astronomy), Molecular Clouds, Star Formation, Carbon Monoxide, Infrared Astronomy Satellite, Orion Nebula, Rotational Spectra, Stellar Spectrophotometry
Scientific paper
The L1617 cloud in the Orion B complex at optical, infrared, and millimeter wavelengths have been studied, and a number of regions containing Herbig-Haro objects, molecular outflows, nebulous stars, and infrared sources have been found, testifying to very recent star formation events. HH 110 is a spectacular, more than 3 arcmin long winding jet with numerous knots embedded in a matrix of low-luminosity gas. HH 111, a highly collimated jet with several bow shocks in a bipolar complex, is associated with a major molecular outflow; the energy source is embedded in a 30 solar mass cloud core. HH 112 is a very faint chain of emission line knots, and HH 113 is a complex group of knots with a jet. The embedded source IRAS 04587+0255, unrelated to any of the HH objects, is driving a large bipolar molecular outflow; the source is located in a region of dense gas containing several other embedded sources.
Olberg Michael
Reipurth Bo
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