Next: The course and unit level Up: Ceilidh - On Line C Tutoring System Previous: Introduction . ... To enter the system at the general level, the appropriate command (which should have been set up by your computer systems administrator) is . ... q quit this session fs find student | ... text ceilidh only) in X the courses available appear on main window.This command tells you which courses are available and supported by the Ceilidh system, their full title and their abbreviation. vp . ...

... The HH flow associated with young stellar object HL Tau has an exciting history and even until now the origin of some its features is not clear yet. ... Knotty structures of Herbig-Haro jets are common phenomena and knowing the origin of such structures is essential for understanding the processes of jet formation. ... In the flow detected compact knots with high (-150 km/s) and bow shape structures in front of those, with low radial velocities (-50 km/s). ...