BIMA and Keck Imaging of the Radio Ring PKS 1830-211

Details BIMA and Keck Imaging of the Radio Ring PKS 1830-211 BIMA and Keck Imaging of the Radio Ring PKS 1830-211

1998-02-26

arxiv.org/abs/astro-ph/9802347v1

Astronomy and Astrophysics

Astrophysics

To be published in the ASP Conference Proceedings, 'Highly Redshifted Radio Lines', Greenbank, WV

Scientific paper

We discuss BIMA (Berkeley Illinois Maryland Association) data and present new high quality optical and near-IR Keck images of the bright radio ring PKS 1830-211. Applying a powerful new deconvolution algorithm we have been able to identify both images of the radio source. In addition we recover an extended source in the optical, consistent with the expected location of the lensing galaxy. The source counterparts are very red, I-K=7, suggesting strong Galactic absorption with additional absorption by the lensing galaxy at z=0.885, and consistent with the detection of high redshift molecules in the lens.

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