The optical morphology of the R AQR jet

Details The optical morphology of the R AQR jet The optical morphology of the R AQR jet

Jan 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985a%26a...142l..13m&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 142, no. 1, Jan. 1985, p. L13-L15.

Astronomy and Astrophysics

Astronomy

17

Astronomical Maps, Stellar Winds, Symbiotic Stars, Variable Stars, Astronomical Photography, Jets, Near Ultraviolet Radiation, Nebulae, Optical Emission Spectroscopy, Ultraviolet Astronomy

Scientific paper

An optical map of the inner nebulosity of the active symbiotic star R Aqr, taken in near UV light with a 1-arcsec resolution, is presented and compared with previous observations, especially a radio VLA 6cm map. The map confirms the existence of a counterjet feature and brings new evidence for bipolar ejection. An upper limit to the velocity of the knots in the jet is obtained. As a result, the recent appearence of this bright jet, at least of its external condensation B, is probably due to some other mechanism than actual, recent matter ejection, perhaps sudden ionization by the variable hot central component.

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