Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000apj...528..418h&link_type=abstract
The Astrophysical Journal, Volume 528, Issue 1, pp. 418-425.
Astronomy and Astrophysics
Astronomy
12
Stars: Binaries: Symbiotic, Ism: Individual (R Aquarii), Stars: Fundamental Parameters, Stars: Magnetic Fields
Scientific paper
The R Aqr symbiotic star system shows directed flow in the form of individual jet parcels. A parcel model for the R Aqr jet is developed that depends upon the strong stellar magnetic field of the rotating hot companion in the system. The model accounts for observed velocities seen in both the radio and ultraviolet regimes and for helical structure seen in ultraviolet emission, and suggests a parcel structure with its ultraviolet emission forming a low-density sheath surrounding its radio region, which is denser by a factor of ~30. The model predicts that the rotation of the hot companion is ~18 yr, which is a significant fraction of the ~44 yr orbital period, and frozen magnetic field flux conservation suggests that the hot companion has a surface field between 9x107 and 4.6x109 G if it is a subdwarf of radius 7x109 cm, or, alternatively, between 4.4x109 and 2.3x1011 G if it is a white dwarf of radius 109 cm. The implications of such a model are discussed.
Hollis Jan. M.
Koupelis Theo
No associations
LandOfFree
R Aquarii Jet: Lorentz Force-Driven Parcel Model 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 R Aquarii Jet: Lorentz Force-Driven Parcel Model, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and R Aquarii Jet: Lorentz Force-Driven Parcel Model will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1253111