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Article overview
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Redshifts of the Gravitational Lenses MG1131+0456 and B1938+666 | John L. Tonry
; Christopher S. Kochanek
; | Date: |
27 Oct 1999 | Subject: | astro-ph | Affiliation: | Institute for Astronomy), Christopher S. Kochanek (CFA | Abstract: | The redshifts of the gravitational lens galaxies in MG1131+0456 and B1938+666 are 0.844 and 0.881 respectively. Both are early-type galaxies lying at the redshifts predicted by assuming that they are early-type galaxies with old stellar populations lying on the fundamental plane. We also find evidence for a foreground group of galaxies at z=0.343 near MG1131+0456. The source redshifts are predicted to be >1.8 in both systems, but they are so red that infrared spectra will be required to determine their redshifts. | Source: | arXiv, astro-ph/9910480 | Services: | Forum | Review | PDF | Favorites |
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