Abstract
Bally & Reipurth have recently discovered a number of Herbig-Haro (HH) jets in the periphery of the Orion Nebula (M42). In many cases both these jets and their counterjets curve away from the central regions of M42. These curved outflows appear to be evidence of an interaction of the jets with an outward flow in the H II region. In this paper, we present three-dimensional gasdynamic models of HH jet–side wind interactions, showing that structures similar to those observed in the newly discovered jets are straightforwardly obtained. In particular, we concentrate on modeling the HH 505 jet and obtain one of the best agreements ever reported with gasdynamic models for emission-line maps of HH objects.
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