Radio images of four luminous blue variable stars

Details Radio images of four luminous blue variable stars Radio images of four luminous blue variable stars

Feb 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002mnras.330...63d&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 330, Issue 1, pp. 63-68.

Astronomy and Astrophysics

Astronomy

11

Circumstellar Matter, Stars: Individual: Ag Car, Stars: Individual: Hr Car, Stars: Individual: He3-519, Stars: Individual: Wra 751, Radio Continuum: Stars

Scientific paper

We have used the Australia Telescope Compact Array to image four southern luminous blue variable stars: AG Car, He3-519, HR Car and WRA 751, at wavelengths of 3 and 6cm, and resolutions of 1 and 2arcsec respectively. With the partial exception of HR Car, all radio images show an unresolved stellar core surrounded by a large ionized gaseous nebula, and agree well with published Hα and [Nii] optical images. The image of WRA 751 shows a stellar torus or disc. HR Car's radio image is unusual, and seems best explained by the presence of a hot binary companion.

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