RNO 43: a jet-driven super-outflow

Details RNO 43: a jet-driven super-outflow RNO 43: a jet-driven super-outflow

Apr 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996mnras.279..866b&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 279, Issue 3, pp. 866-883.

Astronomy and Astrophysics

Astronomy

52

Stars: Formation, Stars: Mass Loss, Ism: Individual: Rno 43, Ism: Jets And Outflows, Ism: Kinematics And Dynamics, Radio Lines: Ism

Scientific paper

We present 21-arcsec-resolution CO observations of the spectacular molecular outflow associated with RNO 43. This outflow extends over nearly 5pc and is thus one of the largest known. The high-velocity CO emission is broken up into several distinct regions of high excitation. Each of these regions subtends a small angle at the young stellar object driving the flow, and four show coincident optical emission in the form of Herbig-Haro objects, supporting the hypothesis that the collimated jet responsible for the Herbig-Haro objects also drives the molecular outflow. The jet is episodic and wanders in its direction. We show that the asymmetries in the outflow can be explained by a symmetrical jet propagating in an asymmetrical cloud. The jet has had a considerable heating effect on a large fraction of the volume of its parent molecular cloud.

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