Symmetrical jet action in the R Aquarii binary system

Details Symmetrical jet action in the R Aquarii binary system Symmetrical jet action in the R Aquarii binary system

Mar 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...351l..17h&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 351, March 1, 1990, p. L17-L20.

Astronomy and Astrophysics

Astronomy

15

Binary Stars, Mira Variables, Radio Jets (Astronomy), Stellar Mass Ejection, Stellar Spectra, Emission Spectra, Radial Velocity, Stellar Systems, Symbiotic Stars

Scientific paper

Collimated mass flow in opposite directions is detected in the R Aqr binary-system jet by means of high-resolution long-slit spectroscopy of several optical emission lines. Also presented are images of the jet structure in the forbidden line of O III, which clearly show bipolar symmetry extending to distances of about 2750 AU on either side of the central Mira variable. The Mira light was greatly reduced by utilization of a vignetting disk on the window of the imaging CCD. This result confirms the recent report of morphological evidence for an R Aqr jet from the detection of bipolar radio continuum emission at 6 cm, and provides the necessary kinematical evidence to show that jet action is actually taking place.

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