The Radio Source Around eta Carinae

Details The Radio Source Around eta Carinae The Radio Source Around eta Carinae

May 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aas...182.3906w&link_type=abstract

American Astronomical Society, 182nd AAS Meeting, #39.06; Bulletin of the American Astronomical Society, Vol. 25, p.858

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Scientific paper

The first high--spatial--resolution (1{('') }) radio image of the source surrounding the famous massive southern star eta Carinae has been obtained with the Australia Telescope. The image shows a number of interesting features: a strong central peak; ridges of emission close to the peak and extending away from it in the directions of putative ``jets'' seen in the HST image of the region, and also other ridges in the directions of the lobes of the Homunculus; a box--like extended feature of dimension 7{('') } \ times 5{('') }, with its major axis orthogonal to the major axis of the Homunculus; and two fainter lobes extending to 5{('') } \ from the star in the directions of both lobes of the Homunculus. The radio image bears a strong resemblance to the high--resolution infra--red images of the region around the star. No radio emission associated with the more extended X-ray--emitting nebula is detected. The current rate of mass loss from the star is estimated, and physical conditions within the nebula are discussed.

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