Optical outflows in the vicinity of LkHα 198.

Details Optical outflows in the vicinity of LkHα 198. Optical outflows in the vicinity of LkHα 198.

Jan 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995a%26a...293..550c&link_type=abstract

Astronomy and Astrophysics 293, 550-558 (1995)

Astronomy and Astrophysics

Astrophysics

20

Stars: Pre-Main-Sequence, Stars: Mass Loss, Stars: Lkh{Alpha} 198, Ism: Jets And Outflows

Scientific paper

LkHα 198 and its nearby companion V376 Cas are both Herbig Ae/Be stars. Here we report the discovery of a jet from LkHα 198, and the presence of a nearby embedded infrared source (LkHα 198B) 5" northeast of this star. The embedded source appears to drive both the well-known optical outflow and possibly the molecular outflow in this region, both of which were previously linked to LkHα 198. A number of very faint HH knots are also found in the vicinity of V376 Cas although their association with this star, if any, is unclear. The direction of the LkHα 198 jet and its low radial velocity, support the notion that LkHα 198 is surrounded by a disk, seen virtually edge on at a position angle of approximately 70deg. The LkHα 198 and LkHα 198B outflows, as well as the bipolar nebula centered on V376 Cas, all appear to be roughly aligned. Their direction, however, is not the same as that of the surrounding magnetic field.

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