Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009rmxac..36..179r&link_type=abstract
Magnetic Fields in the Universe II: From Laboratory and Stars to the Primordial Universe (Eds. A. Esquivel, J. Franco, G. García
Astronomy and Astrophysics
Astronomy
1
H Ii Regions, Ism: Jets And Outflows, Stars: Mass Loss, Stars: Pre-Main Sequence
Scientific paper
Outflows are a ubiquitous part of the star formation process and may even be necessary if accretion is to occur onto a protostar or young brown dwarf. While an outflow can take several forms, it is most strikingly seen as a highly collimated supersonic jet that can stretch for several parsecs. Line emission from these jets can be used to derive practically all of their basic physical parameters, such as density, temperature, ionisation fraction, etc. In contrast, their magnetic fields have proven very difficult to measure. Here I review what direct and indirect observational evidence we have that magnetic fields play an important role not only in launching jets but in their subsequent collimation. In the near future, radio observations of any weak non-thermal emission, with instruments such as LOFAR and e-MERLIN, and polarisation studies of the dust component in jets, should help us make estimates of the strength and structure of their B fields.
No associations
LandOfFree
Getting to Grips with the Unknown: How Important are Magnetic Fields in Outflows from Young Stars? does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Getting to Grips with the Unknown: How Important are Magnetic Fields in Outflows from Young Stars?, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Getting to Grips with the Unknown: How Important are Magnetic Fields in Outflows from Young Stars? will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1300771