Image Deconvolution of the Radio Ring PKS 1830-211

Details Image Deconvolution of the Radio Ring PKS 1830-211 Image Deconvolution of the Radio Ring PKS 1830-211

1998-02-12

arxiv.org/abs/astro-ph/9802156v2

Astronomy and Astrophysics

Astrophysics

11 pages, LaTex file + postscript figures, Accepted for publication in ApJ Letters

Scientific paper

10.1086/311376

New high quality Keck and ESO images of PKS 1830-211 are presented. Applying a powerful new deconvolution algorithm to these optical and infrared data, both images of the flat spectrum core of the radio source have been identified. An extended source is also detected in the optical images, consistent with the expected location of the lensing galaxy. The source counterparts are very red at 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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